Dabrafenib Plus Trametinib vs Vemurafenib Alone in Unresectable or Metastatic BRAF V600E/K Cutaneous Melanoma (COMBI-v)
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| ClinicalTrials.gov Identifier: NCT01597908 |
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Recruitment Status :
Completed
First Posted : May 14, 2012
Results First Posted : December 4, 2014
Last Update Posted : February 24, 2021
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| Condition or disease | Intervention/treatment | Phase |
|---|---|---|
| Melanoma | Drug: Dabrafenib Drug: Vemurafenib Drug: Trametinib | Phase 3 |
Screening/Subject eligibility: Subjects with histologically confirmed cutaneous melanoma that was either unresectable or metastatic (Stages IIIC or IV), were screened for eligibility. Eligible subjects were BRAF V600E or V600K mutation positive. Subjects who had prior systemic anti-cancer treatment in the advanced or metastatic setting were not eligible although prior systemic treatment in the adjuvant setting was allowed.
Randomization: A total of 704 subjects were randomized in a ratio of 1:1 to receive combination therapy (352 subjects) or vemurafenib treatment (352 subjects). Subjects were stratified by LDH level (> the ULN versus =< ULN) and BRAF mutation (V600E versus V600K).
Study treatment: Dabrafenib and trametinib were administered orally at their recommended doses of 150 mg b.i.d. and 2.0 mg once daily, respectively. Subjects randomized in the combination therapy arm received both the agents. Subjects randomized in the vemurafenib arm received vemurafenib at the recommended dose of 960 mg orally b.i.d. Subjects in both the arms continued treatment until disease progression, death, unacceptable toxicity, or withdrawal of consent. The protocol was amended on 07-Aug-2014 which allowed subjects who were still receiving vemurafenib to cross over to the dabrafenib and trametinib combination arm, including those subjects who were still receiving vemurafenib monotherapy treatment after disease progression. A washout period of a minimum of 7 days was considered prior to initiating dabrafenib in combination with trametinib. Subjects who experienced disease progression on the vemurafenib monotherapy arm, discontinued vemurafenib monotherapy, and subsequently received another anticancer therapy were ineligible for cross over to the dabrafenib and trametinib combination arm.
Follow-up/Study closure: After study treatment discontinuation, subjects were followed for survival and disease progression as applicable. This study completed once all the subjects had at least the 5-years of follow-up.
| Study Type : | Interventional (Clinical Trial) |
| Actual Enrollment : | 704 participants |
| Allocation: | Randomized |
| Intervention Model: | Parallel Assignment |
| Masking: | None (Open Label) |
| Primary Purpose: | Treatment |
| Official Title: | A Phase III, Randomised, Open-label Study Comparing the Combination of the BRAF Inhibitor, Dabrafenib and the MEK Inhibitor, Trametinib to the BRAF Inhibitor Vemurafenib in Subjects With Unresectable (Stage IIIc) or Metastatic (Stage IV) BRAF V600E/K Mutation Positive Cutaneous Melanoma |
| Actual Study Start Date : | June 4, 2012 |
| Actual Primary Completion Date : | April 17, 2014 |
| Actual Study Completion Date : | April 25, 2019 |
| Arm | Intervention/treatment |
|---|---|
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Experimental: Dabrafenib plus Trametinib
BRAF inhibitor plus MEK inhibitor
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Drug: Dabrafenib
Dabrafenib 150 mg twice daily orally
Other Name: GSK2118436 Drug: Trametinib Trametinib 2 mg once daily orally
Other Name: GSK1120212 |
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Active Comparator: Vemurafenib
BRAF inhibitor
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Drug: Vemurafenib
Vemurafenib 960 mg twice daily orally
Other Name: Monotherapy |
- Overall Survival (OS) [ Time Frame: From the date of randomization until date of death due to any cause (up to approximately 6 years) ]Overall Survival (OS) was defined as the interval of time between the date of randomization and the date of death due to any cause. For patients who did not die, OS was censored at the date of last contact.
- Progression-Free Survival (PFS), as Assessed by the Investigator [ Time Frame: From randomization until the earliest date of disease progression (PD) or death due to any cause (up to approximately 6 years) ]Progression-free survival (PFS) was defined as the interval of time between the date of randomization and the first documented occurrence of disease progression or death due to any cause. PFS for investigator-assessed response was summarized per Response Evaluation Criteria in Solid Tumors (RECIST), Version 1.1, which is a set of published rules defining when cancer patients improve (respond), stay the same (stabilize), or worsen (progress) during treatment. Disease progression was defined as at least a 20% increase in the sum of the diameters of target lesions with an absolute increase of at least 5 millimeters (mm) or the appearance of at least 1 new lesion, or the worsening of non-target lesions significant enough to require study treatment discontinuation.
- Overall Response Rate (ORR) During Randomized Phase, as Assessed by the Investigator [ Time Frame: From randomization until the first documented complete response or partial response (up to approximately 6 years) ]Overall response was defined as the percentage of confirmed responders (complete response [CR] + partial response [PR] per RECIST, Version 1.1) as summarized by Investigator assessment. CR was defined as the disappearance of all evidence of target lesions. PR was defined as at least a 30% reduction from Baseline in the sum of the longest diameter (LD) of all target lesions. Data were reported as those participants with measureable disease at Baseline.
- Duration of Response (DOR), as Assessed by the Investigator [ Time Frame: From the time of the first documented response (CR or PR) until disease progression (up to approximately 6 years) ]Duration of Response (DOR) was defined as the time from the first documented evidence of a CR (disappearance of all evidence of target lesions) or a PR (at least a 30% reduction from Baseline in the sum of the longest diameter of all target lesions) until disease progression or death due to any cause. PD was defined as at least a 20% increase in the sum of the diameters of target lesions with an absolute increase of at least 5 mm or the appearance of at least1 new lesion, or the worsening of non-target lesions significant enough to require study treatment discontinuation. Data were summarized per RECIST, Version 1.1.
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| Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
| Sexes Eligible for Study: | All |
| Accepts Healthy Volunteers: | No |
Key Inclusion Criteria:
- >= 18 years of age
- Stage IIIc or Stage IV BRAF V600E/K cutaneous melanoma
- Measurable disease according to RECIST 1.1
- Women of childbearing potential with negative serum pregnancy test prior to randomisation
- Eastern Cooperative Oncology Group (ECOG) Performance Status of 0 or 1
- Adequate baseline organ function
Key Exclusion Criteria:
- Any prior use of a BRAF or MEK inhibitor
- Prior systemic anti-cancer treatment in the advanced or metastatic setting; prior systemic treatment in the adjuvant setting is allowed
- History of another malignancy (except subjects who have been disease free for 3 years or with a history of completely resected non-melanoma skin cancer)
- Known HIV, HBV, HCV infection (except chronic or cleared HBV and HCV infection which will be allowed)
- Brain metastases (except if all known lesions were previously treated with surgery or stereotactic radiosurgery and lesions, if still present, are confirmed stable for >= 12 weeks prior to randomisation or if no longer present are confirmed no evidence of disease for >= 12 weeks, and are asymptomatic with no corticosteroid requirements for >= 4 weeks prior to randomisation, and no enzyme inducing anticonvulsants for >= 4 weeks prior to randomisation
- History or evidence of cardiovascular risk (LVEF < LLN; QTcB >= 480 msec; blood pressure or systolic >=140 mmHg or diastolic >= 90 mmHg which cannot be controlled by anti-hypertensive therapy)
- History or current evidence/risk of retinal vein occlusion (RVO) or central serous retinopathy (CSR)
To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01597908
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| Study Director: | Novartis Pharmaceuticals | Novartis Pharmaceuticals |
| Responsible Party: | Novartis Pharmaceuticals |
| ClinicalTrials.gov Identifier: | NCT01597908 |
| Other Study ID Numbers: |
116513 CDRB436B2302 ( Other Identifier: Novartis ) 2011-006088-23 ( EudraCT Number ) |
| First Posted: | May 14, 2012 Key Record Dates |
| Results First Posted: | December 4, 2014 |
| Last Update Posted: | February 24, 2021 |
| Last Verified: | February 2021 |
| Individual Participant Data (IPD) Sharing Statement: | |
| Plan to Share IPD: | Yes |
| Plan Description: | Novartis is committed to sharing with qualified external researchers, access to patient-level data and supporting clinical documents from eligible studies. These requests are reviewed and approved by an independent review panel on the basis of scientific merit. All data provided is anonymized to respect the privacy of patients who have participated in the trial in line with applicable laws and regulations. This trial data availability is according to the criteria and process described on www.clinicalstudydatarequest.com. |
| Studies a U.S. FDA-regulated Drug Product: | Yes |
| Studies a U.S. FDA-regulated Device Product: | No |
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BRAF inhibitor Metastatic Melanoma Cancer MEK inhibitor |
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Melanoma Neuroendocrine Tumors Neuroectodermal Tumors Neoplasms, Germ Cell and Embryonal Neoplasms by Histologic Type Neoplasms Neoplasms, Nerve Tissue Nevi and Melanomas |
Trametinib Vemurafenib Dabrafenib Antineoplastic Agents Protein Kinase Inhibitors Enzyme Inhibitors Molecular Mechanisms of Pharmacological Action |