E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
patients with active BRAF-V600-mutant melanoma brain metastases |
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E.1.1.1 | Medical condition in easily understood language |
Histologically confirmed metastatic melanoma carrying BRAF V600-mutation |
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E.1.1.2 | Therapeutic area | Diseases [C] - Cancer [C04] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 20.0 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10027481 |
E.1.2 | Term | Metastatic melanoma |
E.1.2 | System Organ Class | 100000004864 |
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E.1.3 | Condition being studied is a rare disease | No |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
To investigate the Best overall response rate (BORR) in the brain by combination of vemurafenib plus cobimetinib after radiosurgery in patients with melanoma brain metastases |
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E.2.2 | Secondary objectives of the trial |
• Extracranial BORR • BORR calculated for the whole body tumor sites • Intracranial duration of response • Extracranial duration of response • Progression-free survival (PFS) • Overall survival (OS) • Safety • Radiomics features predictive of long-term local control of brain metastases • Radiomics features predicting treatment-related toxicity, e.g. radionecrosis, hemorrhage, edema. |
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E.2.3 | Trial contains a sub-study | Yes |
E.2.3.1 | Full title, date and version of each sub-study and their related objectives |
Immunomonitoring to provide novel insights into the immune modulatory capacity of the combination therapy of vemurafenib and cobimetinib; blood samples will be taken to study a panel of immunomodulatory cells and molecules (e.g. cytokines) |
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E.3 | Principal inclusion criteria |
• Signed informed consent • Female and male patients ≥ 18 years of age • Histologically confirmed metastatic melanoma (stage IV, per AJCC staging), carrying BRAF V600-mutation • Performed SRS 14 ±7 days before baseline using a harmonized protocol in patients with at least one measurable intracranial target lesion for which the following criteria are met: o Previously untreated (Lesions in previously irradiated area should not be selected) o Largest diameter of ≥ 0.5 but ≤ 4 cm as determined by contrast-enhanced MRI o ≤ 10 brain metastases • ECOG performance status 0 - 2 • Life expectancy ≥ 12 weeks • Adequate bone marrow function as indicated by the following: o ANC ≥ 1500/µL o Platelets ≥ 100,000/µL o Hemoglobin ≥ 9 g/dL • Adequate renal function, as indicated by creatinine ≤ 1.5 x ULN • Adequate liver function, as indicated by bilirubin < 1.5 x ULN and AST and ALT < 3 x ULN (documented liver metastases: AST and ALT < 5 x ULN) • INR in normal range • Able to swallow pills |
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E.4 | Principal exclusion criteria |
• Symptomatic brain metastases requiring immediate local interventions such as neurosurgery or radiosurgery • Leptomeningeal disease (also synchronous with brain metastases) • Prior therapy with BRAF or MEK inhibitors within 12 weeks prior to baseline visit (prior therapies for metastatic melanoma including chemo-, cytokine-, immuno-, biological and vaccine-therapy will be allowed). A period of at least 6 weeks must be observed between the last dose of ipilimumab and the first administration of the study treatments. Prior treatment with anti-programmed cell death (PD)-1 or anti-PD ligand 1 (PD-L1) is allowed. • Prior whole brain irradiation (Patients with prior local therapy of brain metastases are eligible) • Patients receiving therapeutic steroids are not stable on corticosteroids 2 weeks before SRS • Active and uncontrolled infection • Known HIV infection, or active HBV or HCV infection o Active HBV infection (chronic and acute), defined as having a positive hepatitis B surface antigen (HBsAg) test at screening (past or resolved HBV infection, defined as negative HBsAg test and a positive total hepatitis B core antibody test at screening, are eligible) o Active HCV infection, defined as positive HCV antibody test and positive HCV RNA test at screening • Intracranial radiation therapy within 14 days prior to SRS • Extracranial radiation therapy within the last 14 days prior to baseline visit • Treatment with strong CYP3A4/5 inhibitors (e.g. ketoconazole) and inducers (e.g. phenytoin, carbamazepine). (anticonvulsant levetiracetam is allowed; patient should be stable on levetiracetam for 2 weeks) • Unresolved toxicity of National Cancer Institute Common Terminology Criteria for Adverse Events, version 4.0 (NCI v4.0) [NCI, 2009] Grade 2 or higher from previous anti-cancer therapy, except alopecia. • Conditions that will interfere significantly with the absorption of drugs (e.g. Colitis ulcerosa) • Inability to undergo MRI secondary to: o Metal o Claustrophobia o Gadolinium contrast allergy • Previous malignancies active within the last 3 years, with the exception of locally curable cancers that have been treated to complete remission or untreated stage I chronic lymphoid leukemia. • Unwillingness or inability to comply with study and follow-up procedures • Known hypersensitivity to any of the excipients of cobimetinib and vemurafinib • The following foods/supplements are prohibited at least 7 days prior to initiation of and during study treatment: o St. John’s wort or hyperforin (potent cytochrome P450 CYP3A4 enzyme inducer) o Grapefruit juice (potent cytochrome P450 CYP3A4 enzyme inhibitor) • Patient is included in another interventional trial • Use of any investigational or non-registered product within 4 weeks prior to baseline visit • Pregnant or lactating women • History, risk factor or retinal pathology that increases the risk of retinal vein occlusion (RVO) or central serous retinopathy (CSR): evidence of retinal pathology that is considered a risk factor for RVO or CSR, or a history of retinal detachment, central serous chorioretinopathy or retinal vein thrombosis. The risk factors for RVO are listed below: o Uncontrolled glaucoma with intraocular pressures > 21 mm Hg, o Serum cholesterol ≥ Grade 2 (≥ 7.75 mmol/L), o Hypertriglyceridemia ≥ Grade 2 (≥ 3.42 mmol/L), Hyperglycemia (fasting) ≥ Grade 2 (≥ 8.9 mmol/L). • History of clinically significant cardiac dysfunction including: o Myocardial infarction, o Severe/unstable angina pectoris, o Symptomatic congestive heart failure (NYHA stage ≥ 2), o cerebrovascular accident or transient ischemic attack within the previous 6 months o History of congenital long QT syndrome or mean QTcF > 450 msec or uncorrectable electrolyte abnormalities o Hypertension > Grade 2 not controlled by medications o Left ventricular ejection fraction (LVEF) < 50% o Uncontrolled arrhythmias |
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E.5 End points |
E.5.1 | Primary end point(s) |
Best overall response rate in the brain within two years, defined as the rate of patients with complete response (CR) or partial response (PR) |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
within 2 years of therapy with vemurafenib and cobimetinib, every 6 weeks |
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E.5.2 | Secondary end point(s) |
• Extracranial BORR • BORR calculated for the whole body tumor sites • Intracranial duration and kind of response • Extracranial duration and kind of response • Progression-free survival • Overall survival Safety: • Total adverse events • Serious adverse events • ≥ Grade 3 adverse events • Adverse events of special interest • Adverse events leading to treatment discontinuation Further Variables: • Radiomics features predictive of long-term local control of brain metastases • Radiomics features predicting treatment-related toxicity, e.g. radionecrosis, hemorrhage, edema. |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
within 2 years of therapy with vemurafenib and cobimetinib, every 3 months |
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E.6 and E.7 Scope of the trial |
E.6 | Scope of the trial |
E.6.1 | Diagnosis | Yes |
E.6.2 | Prophylaxis | No |
E.6.3 | Therapy | Yes |
E.6.4 | Safety | Yes |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | No |
E.6.7 | Pharmacodynamic | No |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | No |
E.6.10 | Pharmacogenetic | No |
E.6.11 | Pharmacogenomic | No |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | No |
E.7 | Trial type and phase |
E.7.1 | Human pharmacology (Phase I) | No |
E.7.1.1 | First administration to humans | No |
E.7.1.2 | Bioequivalence study | No |
E.7.1.3 | Other | No |
E.7.1.3.1 | Other trial type description | |
E.7.2 | Therapeutic exploratory (Phase II) | Yes |
E.7.3 | Therapeutic confirmatory (Phase III) | No |
E.7.4 | Therapeutic use (Phase IV) | No |
E.8 Design of the trial |
E.8.1 | Controlled | No |
E.8.1.1 | Randomised | No |
E.8.1.2 | Open | Yes |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | No |
E.8.1.5 | Parallel group | No |
E.8.1.6 | Cross over | No |
E.8.1.7 | Other | No |
E.8.2 | Comparator of controlled trial |
E.8.2.1 | Other medicinal product(s) | No |
E.8.2.2 | Placebo | No |
E.8.2.3 | Other | No |
E.8.3 |
The trial involves single site in the Member State concerned
| No |
E.8.4 | The trial involves multiple sites in the Member State concerned | Yes |
E.8.4.1 | Number of sites anticipated in Member State concerned | 3 |
E.8.5 | The trial involves multiple Member States | No |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | No |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.7 | Trial has a data monitoring committee | Yes |
E.8.8 |
Definition of the end of the trial and justification where it is not the last
visit of the last subject undergoing the trial
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End of Study Visit (2 years after start of treatment ) |
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E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | 4 |
E.8.9.1 | In the Member State concerned months | |
E.8.9.1 | In the Member State concerned days | |