E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
BRAFV600-mutation positive patients with unresectable stage IIIc or IV melanoma. |
Irresectabel stadium IIIc of IV BRAFV600 positieve melanoompatienten |
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E.1.1.1 | Medical condition in easily understood language |
BRAFV600-mutation (gene-alteration) positive patients with unresectable metastatic melanoma. |
Niet operabele of uitgezaaid melanoompatienten die een mutatie (verandering) in het BRAFV600 gen hebben. |
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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 | 17.0 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10025671 |
E.1.2 | Term | Malignant melanoma stage IV |
E.1.2 | System Organ Class | 10029104 - Neoplasms benign, malignant and unspecified (incl cysts and polyps) |
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E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 17.0 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10025670 |
E.1.2 | Term | Malignant melanoma stage III |
E.1.2 | System Organ Class | 10029104 - Neoplasms benign, malignant and unspecified (incl cysts and polyps) |
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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 study whether 18F-FDG or 18F-FLT PET can be used for early detection of response to treatment with vemurafenib plus cobimetinib (GDC-0973) compared to standard response assessment with CT according to RECIST 1.1 at 7 weeks. • To study whether 18F-FDG or 18F-FLT PET can predict Progression Free Survival (PFS).
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• onderzoeken of er een relatie is tussen vroege metabole veranderingen op 18F-FDG of 18F-FLT PET (na 2 weken) en standaard respons evaluatie volgens RECIST1.1 op CT (in de 7e week van behandeling), • onderzoeken of 18F-FDG of 18F-FLT PET progressieve vrije overleving kan voorspellen,
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E.2.2 | Secondary objectives of the trial |
• To study whether level of target inhibition can predict the type (CR/PR, SD or PD) and duration of response. • To study the correlation between PET imaging and several key tumor characteristics at different levels • To elucidate molecular mechanisms of resistance by integrating protein phosphorylation, genomic and cancer mutation data. • To study the correlation between the pharmacokinetics of vemurafenib/ cobimetinib (GDC-0973) and PET imaging and therapy response. • To study various quantitative measures of radiotracer uptake from baseline upon PET imaging for predicting the type (CR/PR, SD or PD) and Progression Free Survival and Overall Survival (PFS and OS).
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• onderzoeken of de mate van metabole tumor respons het type (CR/PR, SD of PD) en responsduur kan voorspellen, • de correlatie onderzoeken tussen PET imaging en verscheidene tumoreigenschappen in weefsel, • onderzoeken van resistentie-mechanismen door het integreren van data verkregen uit next-generation sequencing, immunohistochemie, genexpressie analyse en phosphoproteomics, • de correlatie onderzoeken tussen PET imaging en therapierespons en farmacokinetiek van vemurafenib en cobimetinib (GDC-0973),
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
• Patients with histologically confirmed melanoma, either unresectable stage IIIc or stage IV metastatic melanoma, as defined by AJCC 7th edition. • Patients must be naïve to treatment for locally advanced unresectable or metastatic disease. Prior adjuvant immunotherapy (including ipilimumab) is allowed. • Documentation of BRAFV600 mutation-positive status in melanoma tumor tissue (archival or newly obtained tumor samples). • Measurable disease per RECIST v1.1 (50), which are accessible to biopsies. • Biopsy lesion is within scan reach of diagnostic CT and PET-CT (thorax- abdomen-pelvis) • ECOG performance status of 0 or 1. • Male or female patient aged ≥ 18 years. • Life expectancy ≥ 12 weeks. • Adequate hematologic and end organ function within 14 days prior to first dose of study drug treatment.
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• Patiënten met BRAFV600E of BRAFV600K gemuteerd irresectabel stadium IIIc of gemetastaseerd melanoom • Geen systemische therapie voor melanoom gehad, met uitzondering van immunotherapie • Bewezen BRAFV600 mutatie uit tumorweefselanalyse (uit opgeslagen of nieuw verkregen tumormateriaal) • Meetbare ziekte volgens RECIST 1.1 én toegankelijk voor biopsie • Te biopteren lesie ligt binnen het scanbereik van PET en CT (thorax-abdomen-pelvis) • ECOG performance status 0 of 1 • Leeftijd ≥18 jaar • Levensverwachting ≥ 12 weken • Adequate hematologische en orgaanfunctie parameters 14 dagen voorafgaand aan start studiemedicatie
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E.4 | Principal exclusion criteria |
• History of prior RAF or MEK pathway inhibitor treatment. • Palliative radiotherapy, major surgery or traumatic injury within 14 days prior to the first dose of study treatment. • Active malignancy within the past 3 years other than melanoma that could potentially interfere with the interpretation of efficacy measures. • History of or evidence of retinal pathology, clinically significant cardiac dysfunction, patients with active CNS lesions, renal or liver dysfunction as described in main protocol (REPOSIT NL48639.031.14). • Pregnant, lactating, or breast-feeding. • Unwillingness or inability to comply with study and follow-up procedures (i.e. severe anxiety disorder preventing PET/CT imaging.
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• Eerder behandeling met RAF- of MEK-pathway remmers gehad. • Palliatieve radiotherapie, trauma of grote chirurgische ingreep binnen 14 dagen voor aanvang van de studiemedicatie • Andere maligniteit < 3 jaar geleden dat mogelijk interfereert met de interpretatie van uitkomstmaten, m.u.v. basaalcelcarcinoom • Retinopathie of glaucoom, nierfunctiestoornissen (GFR < 40 ml/min), leverfunctiestoornissen, hartfalen (LVEF < 50%) of symptomatische CZS betrokkenheid • Zwangerschap of het geven van borstvoeding • Onwelwillendheid of onmogelijkheid zich te kunnen houden aan het studieprotocol en follow-up procedures (bijvoorbeeld ernstige claustrofobie, waardoor PET/CT scanning niet mogelijk is).
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E.5 End points |
E.5.1 | Primary end point(s) |
• Progression Free survival (PFS) • Correlation between changes of metabolic tracer uptake on PET and of size on diagnostic CT according to RECIST 1.1 from baseline, Day 14/15 Cycle 1, Day 21 Cycle 2 and at the time of progression. • Diagnostic accuracy and best cut-off values of PET at Day 14/15 Cycle 1 and Day 21 Cycle 2 for distinguishing responders from non-responders. • Investigation of the continuous parameters of PET in association with Progression Free Survival.
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• Progressieve vrije overleving (PFS) • Correlatie tussen metabole veranderingen op de PET en tumorgrootte op diagnostische CT volgens RECIST 1.1 bij baseline, Dag 14/15 Cycle 1, Dag 21 Cycle 2 en op het moment van progressie. • Diagnostische nauwkeurigheid / voorspellende waarde van PET bij 2 en 7 weken voor het onderscheiden van responders en non-responders. • Correlatie tussen diverse PET-parameters en progressie vrije overleving.
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
Baseline, Day 14/15 Cycle 1, Day 21 Cycle 2 and at the time of progression. |
Baseline, Dag 14/15 Cycle 1, Dag 21 Cycle 2 en op het moment van progressie. |
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E.5.2 | Secondary end point(s) |
• Correlation of PET-imaging with 18F-FDG PET and 18F-FLT PET between baseline and Day 14/15 Cycle 1 by means of Standardized Uptake Value. • Correlation of PET-imaging with 18F-FDG PET and 18F-FLT PET at the time of progression by means of Standard Uptake Value. • Correlation between 18F-FDG/FLT uptake and immunohistochemical analysis in responders and non responders early after the initiation of therapy. • Correlation between 18F-FDG/FLT uptake and resistance by means of diagnostic CT and PFS. • Best quantification of metabolic imaging. Various quantitative measures of radiotracer uptake determined in RECIST 1.1 target lesions, correlated to PFS and OS. • Correlation between genetic analysis and resistance in terms of RECIST1.1 criteria on diagnostic CT and PFS. • Correlation between phosphoprotein profiles and resistance in terms of RECIST1.1 criteria on diagnostic CT and PFS. • Overall Survival (OS) • Drug level monitoring of vemurafenib and cobimetinib (GDC-0973) at Day 15 Cycle 1 compared to tumor response (RECIST1.1 criteria) and PFS. • Drug level monitoring of vemurafenib and cobimetinib (GDC-0973) at Day 15 Cycle 1 compared to 18F-FDG/FLT uptake. • ECOG Performance Status |
• Correlatie tussen SUV-waarden van 18F-FDG en 18F-FLT PET imaging van baseline en 2 weken na start van de therapie. • Correlatie tussen SUV-waarden van 18F-FDG en 18F-FLT PET imaging op het moment van progressie. • Correlatie tussen 18F-FDG/FLT uptake en immunohistochemische analyses in responders en non-responders. • Correlatie tussen 18F-FDG/FLT uptake en resistentie (o.b.v. RECIST1.1 en PFS) • Onderzoek naar de beste kwantificatie voor metabole imaging; verscheidene kwantitatieve analyses van tracer uptake in RECIST 1.1 target laesies. • Correlatie tussen genetische analyse en resistentie. • Correlatie tussen phosphoproteomics en resistentie. • Overall Survival. • Drug level monitoring van vemurafenib en cobimetinib (GDC-0973) bij 2 weken vergeleken met 18F-FDG/FLT uptake. • Drug level monitoring van vemurafenib en cobimetinib (GDC-0973) bij 2 weken vergeleken met tumor respons (RECIST1.1) en PFS. • ECOG Performance Status
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
Baseline, Day 14/15 Cycle 1, Day 21 Cycle 2 and at the time of progression. |
Baseline, Dag 14/15 Cycle 1, Dag 21 Cycle 2 en op het moment van progressie. |
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E.6 and E.7 Scope of the trial |
E.6 | Scope of the trial |
E.6.1 | Diagnosis | No |
E.6.2 | Prophylaxis | No |
E.6.3 | Therapy | Yes |
E.6.4 | Safety | No |
E.6.5 | Efficacy | No |
E.6.6 | Pharmacokinetic | Yes |
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 | 10 |
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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The study will end when all patients enrolled have been followed for at least three years, withdrawal of consent, lost to follow-up, or the Sponsor decides to end the trial, whichever occurs first. |
De studie eindigt wanneer alle patienten die geincludeerd zijn in de studie voor ten minste 3 jaar gevolgd zijn, zich hebben teruggetrokken of lost to follow-up of wanneer de Sponsor heeft besloten de studie terug te trekken (conform WMO), wat zich het eerst voordoet. |
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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 | 3 |
E.8.9.1 | In the Member State concerned months | 0 |
E.8.9.1 | In the Member State concerned days | 0 |