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Study Description

Adamantinomatous Craniopharyngioma (ACP) is a highly debilitating pediatric brain tumor that lacks medical anti-tumor therapies. Current therapy, which depends largely on surgery and radiation, is associated with poor quality of life and becomes more challenging and risky in the setting of recurrent disease. Recent discoveries regarding the biological characteristics of ACP indicate that available agents, including Mitogen-activated protein kinase/extracellular signal-regulated kinase (MAPK/ERK) pathway inhibitors may have efficacy in the control of ACP. Binimetinib is one such agent.

In this study, up to 38 patients will receive oral binimetinib at the recommended phase 2 pediatric dose (RP2D) of 32 mg/m2/dose PO every 12 hours for 4 weeks which represents one cycle. Cycles will last 28 days and treatment may continue for up to two years (26 cycles).

It will be a multi-center Phase 2 trial with two strata for patients aged >1 year and <25 years with measurable ACP who may have been previously treated with radiation (Stratum 1, 18 patients) or without radiation (Stratum 2, 18 patients).

Inclusion Criteria

• Patients must be ≥ 12 months and ≤ 25 years of age at the time of study enrollment.
• Patients with histologically-confirmed adamantinomatous craniopharyngioma (ACP) Histologic confirmation of ACP may be made on solid tumor or, if no solid tumor can be safely obtained, cyst fluid with classic ACP characteristics of thick, cholesterol-rich, greenish-brown liquid in the context of imaging features consistent with craniopharyngioma, including lobulated, cystic/solid mass with calcifications that originates in the sellar/suprasellar region.
• Disease Status: Patients must have measurable disease.
  • Stratum 1: Patients with progressive or recurrent ACP who demonstrate cystic and/or solid recurrence or progression at least 6 months post completion of radiation therapy
  • Stratum 2: Patients with measurable ACP who have undergone surgery but have NOT previously undergone irradiation (but may have received prior systemic or intracystic therapy). Progressive disease is allowed but not required.
• Performance Level: Karnofsky ≥ 50% for patients > 16 years of age and Lansky ≥ 50 for patients ≤ 16 years of age (See Appendix I). Note: Neurologic deficits in patients with CNS tumors must have been stable for at least 7 days prior to study enrollment. Patients who are unable to walk because of paralysis, but who are up in a wheelchair, will be considered ambulatory for the purpose of assessing the performance score.
• Prior Therapy: Patients must have recovered or stabilized from the acute toxic effects of prior treatments
  • Biologic (anti-neoplastic agent): At least 7 days must have elapsed after the last (systemic or intracystic) dose of a biologic agent. For agents that have known adverse events occurring beyond 7 days after administration, this period must be extended beyond the time during which adverse events are known to occur. The duration of this interval must be discussed with the study chair
  • Immunotherapy: At least 42 days after the completion of any type of systemic immunotherapy, e.g. tumor vaccines.
  • Monoclonal antibodies: At least 21 days after the last dose of a monoclonal antibody.
  • Radiation therapy: Patients must have had their last (conventional or hypofractionated) fraction of: a) Focal irradiation > 6 months prior to enrollment and b) No prior craniospinal irradiation is permitted.
  • Corticosteroids: Patients receiving dexamethasone must be on a stable or decreasing dose for at least 1 week prior to enrollment
  • Myelosuppressive systemic therapy: At least 21 days must have elapsed after the last systemic myelosuppressive therapy.
  • Surgery: At least 6 weeks must have elapsed since surgery.
• Organ Function Requirements
  • Adequate Bone Marrow Function Defined as:
    • Peripheral absolute neutrophil count (ANC) ≥1000/mm3
    • Platelet count ≥100,000/mm3 (transfusion independent, defined as not receiving platelet transfusions for at least 7 days prior to enrollment)
    • Hemoglobin >8 g/dL (may be transfused)
  • Adequate Renal Function Defined as:
    • Creatinine clearance or radioisotope GFR > 70ml/min/1.73 m2 or
    • A serum creatinine based on (Schwartz et al. J. Peds, 106:522, 1985) age/gender as follows:
      • 1 to < 2 years: maximum serum creatinine 0.6 mg/dL for males and females.
      • 2 to < 6 years: maximum serum creatinine 0.8 mg/dL for males and females.
      • 6 to < 10 years: maximum serum creatinine 1.0 mg/dL for males and females.
      • 10 to < 13 years: maximum serum creatinine 1.2 mg/dL for males and females.
      • 13 to < 16 years: maximum serum creatinine 1.5 mg/dL for males and 1.4 mg/dL for females.
      • ≥ 16 years: maximum serum creatinine 1.7 mg/dL for males and 1.4 mg/dL for females.
  • Adequate Liver Function Defined as:
    • Total bilirubin ≤ 1.5 × institutional upper limit of normal
    • AST (SGOT) ≤ 2.5 × institutional upper limit of normal
    • ALT (SGPT) ≤ 2.5 × institutional upper limit of normal
  • Adequate Cardiac Function Defined as:
    • Left Ventricular Ejection Fraction greater than the institutional lower limit of normal by echocardiogram
    • QTc ≤ 480 msec (by Bazett formula)
  • Adequate Neurologic Function Defined as:
    • Patients with neurological deficits should have deficits that are stable for a minimum of 1 week prior to enrollment.
    • Patients with current seizure disorders may be enrolled if seizures are well-controlled on antiepileptic therapies.
  • Informed Consent: All patients and/or their parents or legally authorized representatives must sign a written informed consent. Assent, when appropriate, will be obtained according to institutional guidelines

Exclusion Criteria

• Pregnancy or Breast-Feeding: Pregnant or breast-feeding women will not be entered on this study due to unknown risks of fetal and teratogenic adverse events as seen in animal/human studies. Pregnancy tests must be obtained in girls who are post-menarchal. Males or females of reproductive potential may not participate unless they have agreed to use an effective contraceptive method for at least 90 days after discontinuation of drug for females and at least 60 days for males. For females of childbearing potential, agreement to remain abstinent (refrain from heterosexual intercourse) or use contraceptive methods (bilateral tubal ligation, male sterilization, hormonal contraceptives that inhibit ovulation, hormone-releasing intrauterine devices, and copper intrauterine devices; hormonal contraceptive methods must be supplemented by a barrier method) and agreement to refrain from donating eggs are required. For males of reproductive potential, agreement to remain abstinent (refrain from heterosexual intercourse) or use a condom, and agreement to refrain from donating sperm.
• Gastrointestinal Disease:
  • Patients with a history of serious gastrointestinal disease, including inflammatory bowel disease or gastrointestinal perforation
  • Patients who are unable to swallow, retain or absorb oral medications
• Concomitant Medications
  • Corticosteroids: Patients receiving corticosteroids who have not been on a stable or decreasing dose of corticosteroid for at least 7 days prior to enrollment are not eligible.
  • Investigational Drugs: Patients who are currently receiving another investigational drug are not eligible.
  • Anti-cancer Agents: Patients who are currently receiving other anti-cancer agents are not eligible.
• Study Specific:
  • Patients who have an uncontrolled infection are not eligible.
  • Patients who have received any live or attenuated vaccinations within three months prior to start of therapy are not eligible.
  • Any significant concurrent medical or surgical condition that would jeopardize the patient's safety or ability to complete the study, including, but not limited to, disease of the nervous, renal, hepatic, cardiac (such as symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia), pulmonary, or endocrine system
  • Patients who have a history of Human Immunodeficiency Virus, Hepatitis B Virus, Hepatitis C Virus or Tuberculosis infection are not eligible.
  • Patients who have received a prior solid organ transplantation are not eligible.
  • Patients who in the opinion of the investigator may not be able to comply with the safety monitoring requirements of the study are not eligible.
  • Patients who have a history of alcohol, drug, or chemical abuse within 6 months of screening.
  • Patients who have had surgery within the last 6 weeks or who have concerns for poor postsurgical wound healing.
  • Patients who have a history of allergic reactions attributed to compounds of similar chemical or biologic composition to tocilizumab and its excipients are not eligible.

Publications

• Foreman NK, Faestel PM, Pearson J, Disabato J, Poole M, Wilkening G, Arenson EB, Greffe B, Thorne R. Health status in 52 long-term survivors of pediatric brain tumors. J Neurooncol. 1999 Jan;41(1):47-53. doi: 10.1023/a:1006145724500.
• Goldman S, Pollack IF, Jakacki RI, Billups CA, Poussaint TY, Adesina AM, Panigrahy A, Parsons DW, Broniscer A, Robinson GW, Robison NJ, Partap S, Kilburn LB, Onar-Thomas A, Dunkel IJ, Fouladi M. Phase II study of peginterferon alpha-2b for patients with unresectable or recurrent craniopharyngiomas: a Pediatric Brain Tumor Consortium report. Neuro Oncol. 2020 Nov 26;22(11):1696-1704. doi: 10.1093/neuonc/noaa119.
• Apps JR, Carreno G, Gonzalez-Meljem JM, Haston S, Guiho R, Cooper JE, Manshaei S, Jani N, Holsken A, Pettorini B, Beynon RJ, Simpson DM, Fraser HC, Hong Y, Hallang S, Stone TJ, Virasami A, Donson AM, Jones D, Aquilina K, Spoudeas H, Joshi AR, Grundy R, Storer LCD, Korbonits M, Hilton DA, Tossell K, Thavaraj S, Ungless MA, Gil J, Buslei R, Hankinson T, Hargrave D, Goding C, Andoniadou CL, Brogan P, Jacques TS, Williams HJ, Martinez-Barbera JP. Tumour compartment transcriptomics demonstrates the activation of inflammatory and odontogenic programmes in human adamantinomatous craniopharyngioma and identifies the MAPK/ERK pathway as a novel therapeutic target. Acta Neuropathol. 2018 May;135(5):757-777. doi: 10.1007/s00401-018-1830-2. Epub 2018 Mar 14.
• Haston S, Pozzi S, Carreno G, Manshaei S, Panousopoulos L, Gonzalez-Meljem JM, Apps JR, Virasami A, Thavaraj S, Gutteridge A, Forshew T, Marais R, Brandner S, Jacques TS, Andoniadou CL, Martinez-Barbera JP. MAPK pathway control of stem cell proliferation and differentiation in the embryonic pituitary provides insights into the pathogenesis of papillary craniopharyngioma. Development. 2017 Jun 15;144(12):2141-2152. doi: 10.1242/dev.150490. Epub 2017 May 15.
• Bendell JC, Javle M, Bekaii-Saab TS, Finn RS, Wainberg ZA, Laheru DA, Weekes CD, Tan BR, Khan GN, Zalupski MM, Infante JR, Jones S, Papadopoulos KP, Tolcher AW, Chavira RE, Christy-Bittel JL, Barrett E, Patnaik A. A phase 1 dose-escalation and expansion study of binimetinib (MEK162), a potent and selective oral MEK1/2 inhibitor. Br J Cancer. 2017 Feb 28;116(5):575-583. doi: 10.1038/bjc.2017.10. Epub 2017 Feb 2.
• Watanabe K, Otsu S, Hirashima Y, Morinaga R, Nishikawa K, Hisamatsu Y, Shimokata T, Inada-Inoue M, Shibata T, Takeuchi H, Watanabe T, Tokushige K, Maacke H, Shiaro K, Ando Y. A phase I study of binimetinib (MEK162) in Japanese patients with advanced solid tumors. Cancer Chemother Pharmacol. 2016 Jun;77(6):1157-64. doi: 10.1007/s00280-016-3019-5. Epub 2016 Apr 12.
• Patel K, Allen J, Zagzag D, Wisoff J, Radmanesh A, Gindin T, Nicolaides T. Radiologic response to MEK inhibition in a patient with a WNT-activated craniopharyngioma. Pediatr Blood Cancer. 2021 Mar;68(3):e28753. doi: 10.1002/pbc.28753. Epub 2020 Oct 19. No abstract available.

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Centres

Study Description

ACTEMRA (tocilizumab) is an IL-6 receptor antagonist used for the treatment of adult Rheumatoid Arthritis as well as Polyarticular (PJIA) and Systemic (SJIA) Juvenile Idiopathic Arthritis. In this Phase II, the drug will be used to treat pediatric patients diagnosed with recurrent Adamantinomatous Craniopharyngioma including patients who have undergone surgery and/or radiation therapy.

Adamantinomatous Craniopharyngioma (ACP) is a highly debilitating pediatric brain tumor that lacks medical anti-tumor therapies. Current therapy, which depends largely on surgery and radiation, is associated with poor quality of life and becomes more challenging and risky in the setting of recurrent disease. Recent discoveries regarding the biological characteristics of ACP indicate that available agents, including IL-6 pathway blockers may have efficacy in the control of ACP. We hypothesize that the IL6- receptor antagonist ACTEMRA (tocilizumab) will be safe and effective at inducing tumor response in children with residual ACP.

In this study, up to 38 patients will receive tocilizumab at the dose approved for pediatric Systemic Juvenile Idiopathic Arthritis (< 30 kg: 12 mg/kg IV every 2 weeks; ≥30 kg: 8 mg/kg IV every 2 weeks). Therapy may continue for up to two years (26 cycles).

It will be a multi-center Phase 2 trial with two strata for patients aged >1 year and <25 years with unresectable ACP who may have been previously treated with radiation (Stratum 1, 18 patients) or without radiation (Stratum 2, 18 patients).

Inclusion Criteria

1. Age: Patients must be ≥ 12 months and ≤ 25 years of age at the time of study enrollment.
2. Diagnosis: Patients with histologically-confirmed adamantinomatous craniopharyngioma (ACP) Histologic confirmation of ACP may be made on solid tumor or, if no solid tumor can be safely obtained, cyst fluid with classic ACP characteristics of thick, cholesterol-rich, greenish-brown liquid in the context of imaging features consistent with craniopharyngioma, including lobulated, cystic/solid mass with calcifications that originates in the sellar/suprasellar region.
3. Disease Status: Patients must have measurable disease.
   • Stratum 1: Patients with progressive or recurrent ACP who demonstrate cystic and/or solid recurrence or progression at least 6 months post completion of radiation therapy
   • Stratum 2: Patients with measurable ACP who have undergone surgery but have NOT previously undergone irradiation (but may have received prior systemic or intracystic therapy). Progressive disease is allowed but not required.
4. Performance Level: Karnofsky ≥ 50% for patients > 16 years of age and Lansky ≥ 50 for patients ≤ 16 years of age (See Appendix I). Note: Neurologic deficits in patients with CNS tumors must have been stable for at least 7 days prior to study enrollment. Patients who are unable to walk because of paralysis, but who are up in a wheelchair, will be considered ambulatory for the purpose of assessing the performance score.
5. Prior Therapy: Patients must have recovered or stabilized from the acute toxic effects of prior treatments
   • Biologic (anti-neoplastic agent): At least 7 days must have elapsed after the last (systemic or intracystic) dose of a biologic agent. For agents that have known adverse events occurring beyond 7 days after administration, this period must be extended beyond the time during which adverse events are known to occur. The duration of this interval must be discussed with the study chair
   • Immunotherapy: At least 42 days after the completion of any type of systemic immunotherapy, e.g. tumor vaccines.
   • Monoclonal antibodies: At least 21 days after the last dose of a monoclonal antibody.
   • Radiation therapy: Patients must have had their last (conventional or hypofractionated) fraction of: a) Focal irradiation > 6 months prior to enrollment and b) No prior craniospinal irradiation is permitted.
   • Corticosteroids: Patients receiving dexamethasone must be on a stable or decreasing dose for at least 1 week prior to enrollment
   • Myelosuppressive systemic therapy: At least 21 days must have elapsed after the last systemic myelosuppressive therapy.
   • Surgery: At least 6 weeks must have elapsed since surgery.
6. Organ Function Requirements
   • Adequate Bone Marrow Function Defined as:
     • Peripheral absolute neutrophil count (ANC) ≥1000/mm3
     • Platelet count ≥100,000/mm3 (transfusion independent, defined as not receiving platelet transfusions for at least 7 days prior to enrollment)
     • Hemoglobin >8 g/dL (may be transfused)
   • Adequate Renal Function Defined as:
     • Creatinine clearance or radioisotope GFR > 70ml/min/1.73 m2 or
     • A serum creatinine based on (Schwartz et al. J. Peds, 106:522, 1985) age/gender as follows: 1 to < 2 years: maximum serum creatinine 0.6 mg/dL for males and females. 2 to < 6 years: maximum serum creatinine 0.8 mg/dL for males and females. 6 to < 10 years: maximum serum creatinine 1.0 mg/dL for males and females. 10 to < 13 years: maximum serum creatinine 1.2 mg/dL for males and females. 13 to < 16 years: maximum serum creatinine 1.5 mg/dL for males and 1.4 mg/dL for females. ≥ 16 years: maximum serum creatinine 1.7 mg/dL for males and 1.4 mg/dL for females.
   • Adequate Liver Function Defined as:
     • Total bilirubin within normal institutional limits
     • AST (SGOT) ≤ 2.5 × institutional upper limit of normal
     • ALT (SGPT) ≤ 2.5 × institutional upper limit of normal
   • Adequate Neurologic Function Defined as:
     • Patients with neurological deficits should have deficits that are stable for a minimum of 1 week prior to enrollment.
     • Patients with current seizure disorders may be enrolled if seizures are well-controlled on antiepileptic therapies.
7. Informed Consent: All patients and/or their parents or legally authorized representatives must sign a written informed consent. Assent, when appropriate, will be obtained according to institutional guidelines.

Exclusion Criteria

1. Pregnancy or Breast-Feeding: Pregnant or breast-feeding women will not be entered on this study due to unknown risks of fetal and teratogenic adverse events as seen in animal/human studies. Pregnancy tests must be obtained in girls who are post-menarchal. Males or females of reproductive potential may not participate unless they have agreed to use an effective contraceptive method for at least 90 days after discontinuation of drug for females and at least 60 days for males. For females of childbearing potential, agreement to remain abstinent (refrain from heterosexual intercourse) or use contraceptive methods (bilateral tubal ligation, male sterilization, hormonal contraceptives that inhibit ovulation, hormone-releasing intrauterine devices, and copper intrauterine devices; hormonal contraceptive methods must be supplemented by a barrier method) and agreement to refrain from donating eggs are required. For males of reproductive potential, agreement to remain abstinent (refrain from heterosexual intercourse) or use a condom, and agreement to refrain from donating sperm.
2. Gastrointestinal Disease: Patients with a history of serious gastrointestinal disease, including inflammatory bowel disease or gastrointestinal perforation
3. Concomitant Medications
   • Corticosteroids: Patients receiving corticosteroids who have not been on a stable or decreasing dose of corticosteroid for at least 7 days prior to enrollment are not eligible.
   • Investigational Drugs: Patients who are currently receiving another investigational drug are not eligible.
   • Anti-cancer Agents: Patients who are currently receiving other anti-cancer agents are not eligible.
4. Study Specific:
   • Patients who have an uncontrolled infection are not eligible.
   • Patients who have received any live or attenuated vaccinations within three months prior to start of therapy are not eligible.
   • Any significant concurrent medical or surgical condition that would jeopardize the patient's safety or ability to complete the study, including, but not limited to, disease of the nervous, renal, hepatic, cardiac (such as symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia), pulmonary, or endocrine system
   • Patients who have a history of Human Immunodeficiency Virus, Hepatitis B Virus, Hepatitis C Virus or Tuberculosis infection are not eligible.
   • Patients who have received a prior solid organ transplantation are not eligible.
   • Patients who in the opinion of the investigator may not be able to comply with the safety monitoring requirements of the study are not eligible.
   • Patients who have a history of alcohol, drug, or chemical abuse within 6 months of screening.
   • Patients who have had surgery within the last 6 weeks or who have concerns for poor postsurgical wound healing.
   • Patients who have a history of allergic reactions attributed to compounds of similar chemical or biologic composition to tocilizumab and its excipients are not eligible.

Other inclusion and exclusion criteria may apply.

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Study Description

 This study is eligible for STEP-1 funding. Find more information here. 

This is open label, multicentre, single arm, pilot study of upfront nivolumab in patients with RRD-glioblastoma with favorable immune/genomic biomarkers. The purpose of the study is to use upfront immune checkpoint inhibitor (ICI) to delay/avoid radiation for patients with RRD-glioblastoma with favorable clinical (Gross total resection (GTR) or near total resection (NTR)) and biological (RRD, hypermutation, immune activation) biomarkers. At progression, patients will be undergoing surgery/biopsy and will get a combination of radiation + ICI followed by maintenance ICI. This model will allow us to additionally study the evolution tumor in response to ICI. The study will have two domains.

Domain 1 - Upfront ICI Initially 12 eligible patients will be enrolled for upfront ICI. At 12 weeks assessment if >6 patients have response (NO radiation for progression/recurrence), an additional 6 patients will be enrolled for upfront ICI. Nivolumab will be administered at a dose of 6 mg/kg every 4 weeks (cycle). All patients will be assessed at 12 weeks (3 cycles) from the start of ICI. If 6 or more out of 12 RRD-glioblastoma will recur/progress, no more patients will be recruited to this domain.

Domain 2 - Radiation + ICI → maintenance ICI All the patients experiencing tumor progression on domain 1 will be eligible for domain 2 and will receive a combination of radiation and nivolumab followed by maintenance nivolumab for a total of 2 years (24 cycles). To be eligible for domain 2 post recurrence patients will need surgery/biopsy at recurrence. If 6 RRD-glioblastoma will recur/progress at 12 weeks on domain 1 then 8 additional eligible patients may be enrolled directly in domain 2.

Patients may receive up to a total of approximately 2 years of treatment (up to 24 cycles). Follow-up may continue for up to one year following treatment discontinuation.

Inclusion Criteria

• Age: Patients must be ≥12 months and ≤25 years of age at the time of signing informed consent/assent.
• Diagnosis: Patients must have a histologically confirmed diagnosis of glioblastoma.
• Proof of RRD: By tumor immunohistochemistry showing functional loss of mismatch repair gene expression (MLH1, MSH2, MSH6, PMS2), or based on prior germline testing confirming congenital mismatch repair deficiency (CMMRD) or Lynch syndrome. To be done locally. Results have to be available within four weeks of last surgery.
• Tumor Tissue Specimen: Provide a tumor tissue specimen for molecular profiling, including TMB analysis. Any tumor sequencing data if available at time of enrolment will be recorded for relevant pathogenic variants in the mismatch repair and polymerase-proofreading genes to suggest RRD. A specimen from the time of relapse/ progression while on the study is required as well, when applicable.
• Favorable immune markers: High PD1 and CD8 positivity as detailed in the lab manual. To be done locally. Results have to be available within 4 weeks of last surgery.
• Surgical and disease status: Patients should have had Gross total resection (GTR)/Near Total Resection (NTR) as confirmed by the post-surgery scan. Patients are allowed a second look surgery to achieve NTR/GTR provided no tumor directed systemic or radiation therapy has been administered before this second surgery. Patients should be able to start therapy within 4 weeks of last surgery.
• Allowable Prior Therapy: 3.1.7.1 Patients must have recovered from the acute toxic effects of all prior anti-cancer therapies (with the exception of alopecia and lymphopenia). Previous treatment with nivolumab and/or other anti- PD-1/PD-L1 inhibitors for other prior tumors (other than high-grade glioma) will be permitted.
• Prior Therapy: No prior therapy except surgery will be permitted for high grade glioma. If the patient was previously diagnosed and treated for another tumor (other than high grade glioma), the patients must have completed that treatment and have no active disease in order to be enrolled in this trial The following time periods apply for prior therapy for other tumors:
  • Cytotoxic chemotherapy: At least 21 days prior to initiation of protocol therapy from the last dose of cytotoxic or myelosuppressive chemotherapy; at least 42 days if prior nitrosourea (such as lomustine, CCNU).
  • Hematopoietic growth factors: At least 7 days prior to initiation of protocol therapy from the last dose of short-acting growth factor; at least 14 days for long-acting.
  • Anti-cancer agents not known to be myelosuppressive: At least 7 days prior to initiation of protocol therapy from the last dose.
  • Interleukins, interferons, and cytokines (other than hematopoietic growth factors): At least 21 days prior to initiation of protocol therapy from the last dose.
  • Antibodies: At least 21 days prior to initiation of protocol therapy from the last dose and toxicity related to prior antibody therapy must be recovered to Grade ≤1.
  • Radiotherapy: At least 14 days prior to initiation of protocol therapy from local radiotherapy; at least 150 days from total body irradiation (TBI), craniospinal radiotherapy, or radiation to ≥50% of the pelvis; at least 42 days from other substantial bone marrow radiation.
  • Radiopharmaceutical therapy (e.g., 131I-MIBG): At least 42 days prior to initiation of protocol therapy from systemically administered radiopharmaceutical therapy.
  • Autologous stem cell infusion including boost infusion: At least 42 days prior to initiation of protocol therapy.
  • Cellular therapy: At least 42 days prior to initiation of protocol therapy from any type of cellular therapy.
• Performance Status: Lansky play score ≥50 if ≤16 years of age; Karnofsky performance scale ≥50 if >16 years of age. See Appendix A. Patients unable to walk due to paralysis but who are using a wheelchair will be considered ambulatory for the purpose of assessing the performance score.
• Organ Function:
  • Adequate bone marrow function defined as:
    • peripheral absolute neutrophil count (ANC) ≥750/mm3 (0.75x109/L)
    • platelet count ≥75,000/mm3 (75x109/L), transfusion independent, defined as not receiving platelet transfusions at least 7 days prior to initiation of protocol therapy
  • Adequate renal function defined as:
    • creatinine clearance or radioisotope GFR ≥60 mL/min/1.73 m2; OR serum creatinine based on age/gender
  • Adequate liver function defined as:
    • bilirubin (sum of conjugated and unconjugated) ≤1.5 x upper limit of normal (ULN) for age
    • ALT (SGPT) ≤135 U/L (i.e., 3 x ULN). For the purposes of this study, the ULN for ALT (SGPT) is 45 U/L 3.1.9.4
  • Adequate pulmonary function defined as:
    • no evidence of dyspnea at rest, no exercise intolerance due to pulmonary insufficiency, and pulse oximetry ≥92% while breathing room air
  • Adequate cardiac function defined as:
    • no signs or symptoms of heart failure in a patient who has no history of congestive heart failure, no prior exposure to cardiotoxic drugs, and no radiotherapy to the heart; OR
    • shortening fraction of ≥27% or ejection fraction of ≥50% by echocardiogram
  • Adequate pancreatic function defined as:
    • serum lipase ≤ ULN at screening
  • Viral Infection:
    • Human immunodeficiency virus (HIV): Infected patients on effective anti-retroviral therapy with undetectable viral load within 6 months prior to initiation of protocol therapy are eligible.
    • Hepatitis B virus (HBV): Patients with evidence of chronic infection with undetectable viral load are eligible. Suppressive therapy, if indicated, is allowed.
    • Hepatitis C virus (HCV): Infected patients currently on treatment with undetectable viral load are eligible. Patients with a history of infection must have been treated and cured.
    • Note: Routine screening for HBV, HCV or HIV status prior to enrollment is not required.
• Informed Consent: All patients and/or their parents or legally authorized representatives must have the ability to understand and the willingness to sign, provide a thumbprint (e.g.., for illiterate patients), or use an authorized method to duly document the informed consent in line with the local IRB/IEC requirements and the regulations in force). Assent, where appropriate, will be obtained according to local regulations.

Exclusion Criteria

• CNS Tumor Bulk: Patients with CNS tumors with any of the following characteristics on imaging are not eligible:
  • Tumor with any evidence of uncal herniation or mass effect leading to severe midline shift
  • Tumor that in the opinion of the local investigator, shows significant mass effect after initial surgery or after second-look surgery.
• Concomitant Medications:
  • Corticosteroids: Patients requiring systemic corticosteroids or other forms of immunosuppressive therapy within 7 days prior to initiation of protocol therapy are not eligible.
  • Following initiation of protocol therapy, systemic corticosteroids or other forms of immunosuppressive therapy are permitted if administered for the treatment of toxicity, tumor flare, or pseudo-progression and can be tapered. In most cases protocol therapy must be held until the dose is tapered to 10 mg/day prednisone or equivalent. The Protocol Principal Investigator must be consulted prior to resuming treatment.
  • Physiologic corticosteroids up to 5 mg/day prednisone or equivalent are permitted.
  • Topical, ocular, intra-articular, intra-nasal, and inhaled corticosteroids are permitted.
  • Patients with CNS tumors receiving steroids must be able to discontinue these at least 7 days prior to initiation of protocol therapy.
  • Anti-cancer agents: Patients who are currently receiving other anti-cancer agents are not eligible.
  • Other investigational agents: Patients who are currently receiving or have received any other investigational agent within 14 days prior to initiation of protocol therapy are not eligible.
• Uncontrolled Intercurrent Illness: Patients with uncontrolled intercurrent illness including, but not limited to, ongoing active infection, symptomatic congestive heart failure (New York Heart Association Class III or IV), unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements are not eligible.
• Pregnant and/or Breastfeeding: The study agents have the potential for teratogenic or abortifacient effects. Females of reproductive potential must have a negative serum pregnancy test within 72 hours prior to initiation of protocol therapy. Additional pregnancy tests (serum or urine) should be obtained during study participation in accordance with local standards and guidelines. Males or females of reproductive potential may not participate unless they have agreed to use an effective method of contraception (hormonal or barrier method of birth control; abstinence) prior to study entry, for the duration of treatment, and as follows:

  • Females receiving nivolumab must continue an effective method of contraception for a period of 5 months after the last dose of nivolumab.

    Should a female patient become pregnant or suspect she is pregnant while she or her partner is participating in this study, she should inform the investigator immediately.

    Due to the unknown but potential risk for AEs in nursing infants secondary to treatment of the mother with the study agents, breastfeeding must be discontinued if the mother is treated on study.

    Note: Females of reproductive potential are defined as those who are past the onset of menarche and are not surgically sterile (i.e., bilateral salpingectomy, bilateral oophorectomy, or complete hysterectomy).

• Autoimmune Disease: Patients with a history of autoimmune disease (such as autoimmune thyroid disease or inflammatory bowel disease) that has required systemic treatment within 2 years prior to initiation of protocol therapy are not eligible

  • Asymptomatic laboratory abnormalities (e.g., ANA, rheumatoid factor, altered thyroid studies) will not render a patient ineligible in the absence of a diagnosis of an autoimmune disorder.
  • Patients with atopy-related conditions such as asthma, allergic rhinitis, or atopic dermatitis are not excluded.
  • Replacement therapy (e.g., thyroxine, insulin, or physiological corticosteroid replacement therapy) is not considered a form of systemic treatment.
• Interstitial Lung Disease: Patients with history of interstitial lung disease or pneumonitis are not eligible.
• Transplant: Patients who have received previous solid organ transplant or allogenic stem cell transplant are not eligible.
• Adverse Reaction to Study Agent(s): Patients with previous Grade 4 life-threatening reaction or other adverse reaction that in the opinion of the investigator would preclude retreatment with nivolumab, and/or other PD-1/PD-L1 antibodies are not eligible.
• Compliance: Patients who in the opinion of the investigator may not be able to comply with the safety monitoring requirements of the study are not eligible.
• Treatment Start: Patients unable to start study protocol treatment within 14 days from the enrollment date or within 4 weeks of surgery (whichever is earlier)

For patients already enrolled on the study, the following exclusion criteria specifically apply prior to proceeding to Domain 2.

Specific Exclusion Criteria

• Surgery: Patient who cannot have surgery/biopsy at recurrence/progression on Domain 1 will be discontinued from the study.
• CNS Tumor Bulk: Patients with CNS tumors with any of the following characteristics on imaging post-surgery/biopsy at progression/recurrence on Domain 1 are not eligible:
  • Tumor >= 5cm in the longest dimesion.
  • Tumor with any evidence of uncal herniation or mass effect leading to severe midline shift
  • Tumor that in the opinion of the local investigator, shows significant mass effect

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Study Description

This is a randomized, double-blind, placebo-controlled, parallel-group, international, Phase 3 study in patients with newly diagnosed H3 K27M-mutant diffuse glioma to assess whether treatment with ONC201 following frontline radiotherapy will extend overall survival and progression-free survival in this population. Eligible participants will have histologically diagnosed H3 K27M-mutant diffuse glioma and have completed standard frontline radiotherapy.

The study has three study arms

• Experimental: ONC201 Twice Weekly Group - Intervention: Drug: ONC201
• Experimental: ONC201 Once Weekly Group - Intervention: Drug: ONC201 + Placebo
• Placebo Comparator: Placebo Group - Intervention: Other: Placebo

Inclusion Criteria

1. Able to understand the study procedures and agree to participate in the study by providing written informed consent (by participant or legally authorized representative), and assent when applicable.
2. Body weight ≥ 10 kg at time of randomization.
3. Histologically diagnosed H3 K27M-mutant diffuse glioma (new diagnosis). Detection of a missense K27M mutation in any histone H3-encoding gene detected by testing of tumor tissue (immunohistochemistry [IHC] or next-generation sequencing [NGS] in a Clinical Laboratory Improvement Amendments [CLIA]-certified or equivalent laboratory). [Site to provide (as available): ≥ 10 unstained formalin-fixed paraffin-embedded (FFPE) slides from tumor tissue.]
4. At least one, high-quality, contrast-enhanced MRI of the brain obtained prior to starting radiotherapy for submission to sponsor's imaging vendor for central read. For participants who had a surgical resection, this scan must be post-resection; for participants who did not have a resection, this scan may be pre- or post-biopsy.
5. At least one, high-quality, contrast-enhanced MRI of the brain obtained 2 to 6 weeks after completion of frontline radiotherapy. If unable to obtain contrast-enhanced imaging due to lack of venous access after multiple attempts, a patient may still be eligible after collection of a nonenhanced MRI of the brain. [Site to also provide all available MRIs completed prior to initiating treatment with study intervention.]
6. Received frontline radiotherapy
   • Initiated radiotherapy within 12 weeks from the initial diagnosis of H3 K27M-mutant diffuse glioma.
   • Completed radiotherapy within 2 to 6 weeks prior to randomization
   • Completed standard fractionated radiotherapy (eg. 54 to 60 Gy in 28 to 33 fractions given over approximately 6 weeks or hypofractionated radiotherapy (eg. 40 Gy in 15 fractions given over approximately 3 weeks).
7. Karnofsky Performance Status or Lansky Performance Status ≥ 70 at time of randomization.
8. Stable or decreasing dose of corticosteroids and anti-seizure medications for 7 days prior to randomization, if applicable. Stable steroid dose is defined as ≤ 2 mg/day increase (based on dexamethasone dose or equivalent dose of an alternative steroid).

Exclusion Criteria

1. Primary spinal tumor.
2. Diffuse intrinsic pontine glioma (DIPG), defined as tumors with a pontine epicenter and diffuse involvement of the pons.
3. Evidence of leptomeningeal spread of disease or cerebrospinal fluid dissemination.
4. Any known concurrent malignancy.
5. New lesion(s) outside of the radiation field.
6. Received whole-brain radiotherapy.
7. Received proton therapy for glioma.
8. Use of any of the following treatments within the specified time periods prior to randomization
   • ONC201 or ONC206 at any time.
   • Systemic bevacizumab (includes biosimilars) at any time since the initial diagnosis of H3 K27M-mutant diffuse glioma.
   • Temozolomide within past 3 weeks.
   • Tumor treating fields at any time.
   • DRD2 antagonist within past 2 weeks.
   • Any investigational therapy within past 4 weeks.
   • Strong CYP3A4 inhibitors within 3 days.
   • Strong CYP3A4 inducers (includes enzyme-inducing antiepileptic drugs) within 2 weeks.
9. Laboratory test results meeting any of the following parameters within 2 weeks prior to randomization:
   • Absolute neutrophil count < 1.0 × 109/L or platelets < 75 × 109/L.
   • Total bilirubin > 1.5 × upper limit of normal (ULN) (participants with Gilbert's syndrome may be included with total bilirubin > 1.5 × ULN if direct bilirubin is ≤ 1.5 × ULN).
   • Aspartate aminotransferase (AST) or alanine aminotransferase (ALT) > 2.5 × ULN.
   • Creatinine clearance ≤ 60 mL/min as calculated by the Cockcroft Gault equation (or estimated glomerular filtration rate < 60 mL/min/1.73 m2).
10. QTc > 480 msec (based on mean from triplicate electrocardiograms) during screening.
11. Known hypersensitivity to any excipients used in the study intervention formulation.
12. Pregnant, breastfeeding, or planning to become pregnant while receiving study intervention or within 3 months after the last dose. Participants of childbearing potential must have a negative serum pregnancy test within 72 hours prior to receiving the first dose of study intervention.
13. Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection requiring systemic therapy or psychiatric illness/social situations that would limit compliance with study requirements.
14. Any other condition (eg, medical, psychiatric, or social) that, in the opinion of the investigator, may interfere with participant safety or the ability to complete the study according to the protocol.

Other exclusion criteria may apply 

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Study Description

This is a study to investigate the efficacy and safety of ADP-A2M4 in HLA-A*02 eligible and MAGE-A4 positive subjects with metastatic or inoperable (advanced) Synovial Sarcoma (Cohort 1, 2 and 3) or MRCLS (Cohort 1) .

Inclusion Criteria

• Age ≥16 (10 years at selected sites) and <=75 years
• Diagnosis of advanced synovial sarcoma (Cohort 1, Cohort 2 and Cohort 3) or myxoid liposarcoma / myxoid round cell liposarcoma (Cohort 1 only) confirmed by cytogenetics.
• Previously received either an anthracycline or ifosfamide containing regimen.
• Measurable disease according to RECIST v1.1 prior to lymphodepletion
• HLA-A*02:01, HLA-A*02:02, HLA-A*02:03 or HLA-A*02:06 positive
• Tumor shows MAGE-A4 expression confirmed by central laboratory. North America Only (United States and Canada): Tumor (either an archival specimen or a fresh biopsy) shows MAGE-A4 expression of ≥1+ staining in ≥10% of the cells by immunohistochemistry.
• ECOG Performance Status of 0 or1. For subjects aged ≥10 to ≥16 years old: Lansky Score ≥60%.
• Left ventricular ejection fraction (LVEF) ≥50%.

Note: other protocol defined Inclusion criteria may apply

Exclusion Criteria

• HLA-A*02:05 in either allele
• Received or plans to receive the following therapy/treatment prior to leukapheresis or lymphodepleting chemotherapy: Cytotoxic chemotherapy, Tyrosine kinase inhibitor (TKI) (e.g. pazopanib), Immune therapy (including monoclonal antibody therapy, checkpoint inhibitors,), Anti-cancer Vaccine, Gene therapy using an integrating vector (subjects who have received a gene therapy using a lentiviral vector may be eligible for the study), Corticosteroids or any other immunosuppressive therapy, Investigational treatment or interventional clinical trial, Allogeneic hematopoietic stem cell transplant, Radiotherapy to the target lesions, Major surgery
• History of allergic reactions attributed to compounds of similar chemical or biologic composition to fludarabine, cyclophosphamide or other agents used in the study.
• History of autoimmune or immune mediated disease
• Symptomatic CNS metastases including leptomeningeal disease.
• Other prior malignancy that is not considered by the Investigator to be in complete remission
• Clinically significant cardiovascular disease
• Uncontrolled intercurrent illness
• Active infection with human immunodeficiency virus, hepatitis B virus, hepatitis C virus, or human T cell leukemia virus
• Pregnant or breastfeeding

Note: other protocol defined Exclusion criteria may apply.

Publications

A kinase-cGAS cascade to synthesize a therapeutic STING activator - PubMed (nih.gov)

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Study Description

This is an open-label, multicenter study to assess safety, tolerability, pharmacokinetics (PK), immunogenicity, pharmacodynamics (PD), and preliminary efficacy of RO7428731 administered as a monotherapy in participants with newly diagnosed or recurrent epidermal growth factor receptor variant III (EGFRvIII)-positive glioblastoma (GBM).

Experimental: Part I: Dose Escalation

Participants with newly diagnosed GBM will receive RO7428731, intravenously (IV), up to one year or until disease progression, withdrawal of consent, unacceptable toxicity, or death, whichever occurs first.

Experimental: Part II: Dose-Expansion(s)

Participants with newly diagnosed GBM will receive RO7428731, IV, in maximum of two dose expansion cohorts at a dose(s) not exceeding the maximum tolerated dose (MTD) established in Part I.

Experimental: Part III: Safety Run-in

Participants with recurrent GBM will receive RO7428731, IV in a dosing schedule determined in Part I. At the end of the Safety Run-in period, a decision will be made as to whether to open the Dose-Expansion Cohort Part IVA or open a second Safety Run-in Cohort at a lower dose.

Experimental: Part IV A: Dose-Expansions Cohort

Participants with recurrent GBM will receive RO7428731, IV at specified doses and dosing schedules.

Inclusion Criteria

Inclusion criteria for all participants:

• Life expectancy of greater than or equal to 12 weeks, in the opinion of the Investigator
• Diagnosis of GBM based on World Health Organization (WHO) classification of central nervous system (CNS) tumors, 5th edition
• Participants must have confirmed EGFRvIII-expression
• Karnofsky Performance Status (KPS) Score of >=70%
• Adequate organ functions prior to start of study treatment
• Willingness to abide by contraceptive measures for the duration of the study.

Inclusion criteria for Part I and Part II only:

• Participants whose tumors have an unmethylated (Part I and Part II) or methylated (Part I only) O6-methylguanine-DNA methyltransferase (MGMT) promotor status based on local assessment
• Participants (in Part I): Adult participants with newly diagnosed EGFRvIII-positive GBM with unmethylated MGMT promotor status who have completed standard of care therapy with surgical resection and adjuvant radiotherapy with or without concomitant temozolomide. Participants are allowed to have received any number of cycles of temozolomide maintenance. Adult participants with newly diagnosed EGFRvIII-positive GBM with methylated MGMT promotor status who have completed standard of care with surgical resection and adjuvant radiotherapy with concomitant and maintenance temozolomide or discontinued temozolomide maintenance due to reasons other than progressive disease.
• Participants (in Part II): Adult participants with newly diagnosed EGFRvIII-positive GBM with unmethylated MGMT promotor status who have completed standard of care therapy with surgical resection and adjuvant radiotherapy with or without concomitant temozolomide.

Inclusion criteria for Part III and Part IV A only:

• Documented first or second recurrence of GBM
• At least one measurable GBM lesion as per Response Assessment in Neuro-Oncology (RANO) criteria prior to initiation of study treatment.

Exclusion Criteria

Exclusion criteria for all participants:

• Participants with infratentorial tumors and tumors primarily located in or close to critical structures (e.g., brain stem)
• Presence of extracranial metastatic or leptomeningeal disease
• Known hypersensitivity to immunoglobulins or to any other component of the investigational medicinal product formulation
• Active bleeding or pathological condition that carries a high risk of bleeding, including inherited and acquired coagulopathies
• Participants unable to undergo an MRI with contrast.

Exclusion criteria for Part I and Part II only:

• Recurrent malignant gliomas
• Any prior anti-tumor treatment for GBM: tumor resection, adjuvant radiotherapy with or without concomitant temozolomide and temozolomide maintenance (Part I only) must be the only tumor-directed treatment that the participant has received for GBM.

Exclusion criteria for Part III and Part IV A only:

• More than two recurrences of GBM
• Prior anti-EGFRvIII-targeting agents (including vaccines), anti-angiogenic therapy, and/or gene therapy for the treatment of GBM and gliomas.

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Study Description

The objective of this study is to evaluate the efficacy of plixorafenib in participants with locally advanced or metastatic solid tumors, or recurrent or progressive primary central nervous system (CNS) tumors harboring BRAF fusions, or in participants with recurrent high-grade glioma (HGG) harboring BRAF V600E mutation. This will be conducted as two single arm open-label subprotocols (F8394-201A; F8394-201B) under one master protocol.

Inclusion Criteria

Group A: 

• Male and female, ≥10 years of age, and weighing ≥30 kg.
• Histologic diagnosis of a solid tumor or primary CNS tumor.
• Documentation of BRAF gene fusion in tumor and/or blood detected by an analytically validated test by DNA sequencing or RNA (transcriptome) sequencing at CLIA or CLIA-equivalent laboratory or sponsor-designated central laboratory.
• Have an archival tissue sample at less than 24 months from date of screening available with sufficient tumor for central next generation sequencing (NGS) testing and biomarker analyses, or >24 months if the participant has never received targeted therapy. If an archival tissue sample is not available, a newly obtained (before treatment) tumor biopsy may be submitted instead.
• Consent to provide scan(s) prior to baseline to assess change in tumor trajectory (at least 2 preferred). For participants with LGG, every effort should be made to provide 3 to 4 pre-baseline scans to the central imaging vendor whenever feasible.
• Received all available standard therapy, is intolerant to available therapies, or the investigator has determined that treatment with standard therapy is not appropriate.
• All adverse events related to prior therapies (chemotherapy; radiotherapy; surgery) must have resolved to Grade 1 or baseline except for
  • Alopecia (Grade ≤2)
  • Sensory neuropathy (Grade ≤2)
  • Other adverse events that have resolved to Grade ≤2 that, according to the clinical judgment of the investigator, do not constitute a safety risk to the participant.

Group B: 

• Male and female, ≥10 years of age, and weighing ≥30 kg.
• Histological diagnosis of a primary CNS tumor, including but not limited to the following:
  • Adults (≥18 years) with Grade 1-4 glioma or glioneuronal tumor (including glioblastoma, anaplastic astrocytoma, high grade astrocytoma with piloid features, pilocytic astrocytoma, gliosarcoma, anaplastic pleomorphic xanthoastrocytoma, anaplastic oligodendroglioma, anaplastic oligoastrocytoma, not otherwise specified [NOS], ganglioglioma, or recurrent LGG).
  • Pediatric patients (10-17 years of age) with a Grade 3 or 4 glioma or glioneuronal tumor, including those with a prior, histologically confirmed, diagnosis of a low-grade glioma or glioneuronal tumor and now have radiographic or histopathological findings consistent with WHO [2021] Grade 3 or 4 primary CNS tumor.
  • Participants must have unresectable, locally advanced or metastatic disease that:
    • Had prior treatment with radiotherapy and/or first-line chemotherapy or concurrent chemoradiation therapy OR
    • Is intolerant to available therapies OR iii. The investigator has determined that treatment with standard therapy is not appropriate.
    • Note: Participants who have a WHO Grade 3 or 4 glioma for whom chemotherapy and/or radiotherapy is not considered standard of care may remain eligible for the study. Consult the Medical Lead to discuss and determine if participant is eligible for enrollment.
• Documented BRAF V600E mutation in tumor and/or blood detected by an analytically validated test by NGS or polymerase chain reaction (PCR) methods and locally approved assays at CLIA or CLIA-equivalent laboratory approved by sponsor or sponsor-designated central test. Sponsor review of the report is required, and testing of BRAF alteration is required at sponsor's central laboratory.
• An archival tissue sample at less than 24 months from date of screening available with sufficient tumor for central NGS testing* and biomarker analyses, or >24 month if the participant has never received a targeted therapy, or fresh biopsy is required if the archival sample is not available for retrospective confirmation test. Tissue obtained most proximal to initiating this subprotocol is preferred.
• Measurable disease based upon RANO HGG for high-grade tumors or RANO LGG for the low grade tumors, as determined by the radiographic BICR.
• All adverse events related to prior therapies (eg, chemotherapy, radiotherapy, surgery) must have resolved to Grade 1 or baseline except for:
  • Alopecia (Grade ≤2)
  • Sensory neuropathy (Grade ≤2)
  • Other adverse events that have resolved to Grade ≤2 that, according to the clinical judgment of the investigator, do not constitute a safety risk to the participant
• Participants who are receiving corticosteroid treatment must be on a stable or decreasing dose of ≤8 mg/day of dexamethasone or equivalent corticosteroid treatment for 7 days prior to first dose of study treatments.

Exclusion Criteria

Group A: 

• Participants with known co-occurring NF1 alteration and/or RAS-related mutations.
• Participants with evidence of subclonal mutations or heterogeneity that are indicative of a prior treatment effect instead of a driver mutation.
• Prior treatment with RAF/BRAF inhibitors active for Class 2 BRAF alterations for advanced unresectable or metastatic disease (including but not limited to tovorafenib [formerly known as DAY 101, TAK 580, and MLN 2480], KIN-2787, BGB-3245, and CFT1946).
  • Note: Participants with pediatric-type LGGs (molecular classification by WHO2021; diagnosed at ≤25 years of age) who had received prior treatment(s) with RAF/BRAF inhibitors are eligible for enrollment, provided there was no evidence of tumor progression on that therapy or within 4 weeks of discontinuation, based upon radiographic assessment.
• Prior treatment with a MEK inhibitor.
• Tyrosine kinase inhibitor(s) and/or targeted therapies are allowed (other than BRAF/MAPK pathway inhibitors per Exclusion Criteria 3 and 4) and will be restricted to no more than the number of lines of therapy that are consistent with standard treatment guidelines. NOTE: There is no restriction on the number of lines of chemotherapy or immunotherapy.
• Malignancy with co-occurring activating RAS mutation(s) at any time.
• Uncontrolled intercurrent illness that would limit compliance with study requirements.
• Current or planned participation in a study of an investigational agent or device.
• Have impairment of gastrointestinal (GI) function or GI disease that may significantly alter the absorption of oral plixorafenib or cobicistat (such as ulcerative diseases, uncontrolled nausea, vomiting, diarrhea, malabsorption syndrome, and small bowel resection).
• Are currently receiving (within 7 days of Cycle 1 Day 1) or are planning to receive during participation:
  • Agents that are known strong inducers or inhibitors of CYP3A4 (other than cobicistat). Restrictions include foods or herbal medications, including grapefruit juice and grapefruit/grapefruit related citrus fruits (eg, Seville oranges, pomelos), and St. John's Wort.
  • Agents that are contraindicated with cobicistat. Note: For participants with no other option except agents with potential drug interactions with cobicistat, but which are not contraindicated, the dose of that agent must be altered or the regimen must follow the cobicistat prescribing information and be approved by the medical monitor.

Group B: 

• Prior treatment with BRAF, ERK, and/or MEK inhibitor(s).
• Known or suspected neurofibromatosis-1 (NF-1) and/or Ras related gene alterations.
• Uncontrolled intercurrent illness that would limit compliance with study requirements.
• Active infection requiring systemic therapy.
• Current or planned participation in a study of an investigational agent or device.
• Have impairment of gastrointestinal (GI) function or GI disease that may significantly alter the absorption of oral plixorafenib or cobicistat (such as ulcerative diseases, uncontrolled nausea, vomiting, diarrhea, malabsorption syndrome, small bowel resection).
• Grade ≥ 2 changes in AST, ALT, gamma-glutamyl transaminase (GGT), or bilirubin attributed to prior immune checkpoint inhibitor treatment are exclusionary, even if resolved.
• Are currently receiving (within 7 days of Cycle 1 Day 1) or are planning to receive during participation:
  • Agents that are known strong inducers or inhibitors of CYP3A4 (other than cobicistat). Restrictions include foods or herbal medications, including grapefruit juice, grapefruit/grapefruit related citrus fruits (eg, Seville oranges, pomelos), and St. John's Wort.
  • Agents that are contraindicated with cobicistat Note: For participants with no other option except agents with potential drug interactions with cobicistat, but which are not contraindicated, the dose of that agent must be altered or the regimen must follow the cobicistat prescribing information and be approved by the medical monitor.
• Progressively worsening in frequency or severity seizures indicative of rapid tumor progression, or seizures poorly controlled with available therapy.

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Study Description

Il s’agit d’une étude qui évaluera la tolérance, la pharmacocinétique et l’efficacité de l’alectinib chez des enfants et adolescents présentant des tumeurs solides ou du SNC avec un réarrangement du gène ALK, pour lesquels un traitement antérieur s’est avéré inefficace ou pour lesquels il n’y a pas de traitement satisfaisant disponible (les patients porteurs de lymphomes anaplasiques ne sont pas éligibles).

Inclusion Criteria

• Diagnostic confirmé histologiquement de la tumeur solide ou du SNC présentant un réarrangement du gène ALK.
• Traitement antérieur qui s’est avéré inefficace (c.-à-d. rechute ou tumeur réfractaire) ou patient pour lequel il n’y a pas de traitement satisfaisant disponible.
• La maladie doit être mesurable et évaluable comme défini par les critères RECIST v1.1 pour les tumeurs solidesu par les critères RANO pour les tumeurs primitives du SNC ou par les critères INRC pour les rares cas de neuroblastomes concernés).
• Tissu tumoral, disponible pour envoi au promoteur, issu de la maladie active, obtenu après la dernière thérapie anticancéreuse administrée et avant l’inclusion dans l’étude, tissu tumoral archivé provenant du diagnostic initial, ou disposé à effectuer un prélèvement d’échantillon par biopsie.

Exclusion Criteria

• Utilisation antérieure d’inhibiteurs d’ALK.
• Trouble gastro-intestinal qui pourrait affecter l’absorption de médicaments oraux.
• Antécédent familial ou personnel d’anomalie osseuse congénitale, d’altérations du métabolisme osseux ou d’ostéopénie.
• Maladie hépatique (ALAT, ASAT ou bilirubine élevé).
• Virus actif de l’hépatite B ou C (VHB, VHC) ou positivité connue au VIH ou maladie liée au SIDA.
• Grossesse ou allaitement, ou intention de débuter une grossesse pendant l’étude.