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Completed

NCT Number: NCT01307397

A Study of Vemurafenib in Participants With Metastatic Melanoma

This multi-center study evaluates the safety and efficacy of vemurafenib in participants with BRAF V600 mutation-positive, surgically incurable, and unresectable Stage IIIC or IV (American Joint Committee on Cancer [AJCC]) metastatic melanoma.

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Key information

Age range

16 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 3

Primary location

University "Mother Theresa" Hospital Center; Oncology Department, Tirana, Albania

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Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Participants with Histologically confirmed metastatic melanoma (surgically incurable and unresectable Stage IIIC or Stage IV; AJCC) with BRAF V 600 mutation determined by Cobas 4800 BRAF Mutation Test. Unresectable Stage IIIC disease must have had confirmation from a surgical oncologist
  • Participants with either measurable or non-measurable disease according to Response Evaluation Criteria in Solid Tumours (RECIST) Version 1.1
  • Participants may or may not have received prior systemic therapy for metastatic melanoma
  • Eastern Cooperative Oncology Group (ECOG) performance status between 0 to 2
  • Adequate hematologic, renal and liver function

Exclusion criteria

  • Evidence of symptomatic central nervous system (CNS) lesions, use of steroids or anti-seizure medications for treatment of brain metastases prior to the first administration of vemurafenib
  • Previous malignancy (other than melanoma) within the past 2 years, except for treated and controlled basal or squamous cell carcinoma of the skin or carcinoma in-situ of the cervix
  • Concurrent administration of any anti-cancer therapies other than those administered in the study
  • Clinically significant cardiovascular disease or event within the 6 months prior to first administration of study drug
  • Refractory nausea or vomiting, external biliary shunt, or significant bowel resection that would preclude adequate absorption

Treatment and study plan

Vemurafenib

Drug

Participants will receive continuous oral doses of vemurafenib 960 mg (four 240 mg tablets) twice daily in each 28-day treatment cycle until the development of progressive disease, unacceptable toxicity, consent withdrawal, protocol violations endangering participant's safety, death, or study termination by the Sponsor, whichever occurs first.

Other names: RO5185426, Zelboraf

Primary outcomes

  1. Percentage of Participants Experiencing Any Grade 3 or 4 Adverse Events (AEs) as Determined by National Cancer Institute-Common Toxicity Criteria for Adverse Events (NCI-CTCAE) Version 4.0

    Time frame: Baseline up to 28 days post end of treatment (maximum up to 46 months)

    The intensity of AEs were graded on a 5-point scale (Grade 1 to 5) according to the NCI-CTCAE version 4.0, where Grade 1 indicates "Mild" severity and Grade 5 indicates "Death". The CTCAE defines Grades 3 and 4 as follows: Grade 3 means "Severe"; Inability to work or perform normal daily activity; treatment or medical intervention is indicated in order to improve the overall well-being or symptoms; delaying the onset of treatment is not putting the survival of the participant at direct risk. Grade 4 means "Life-threatening, Disabling"; based on extreme limitation in activity; significant medical intervention/therapy required; and hospitalization probable.

  2. Percentage of Participants With at Least 1 AE Leading to Study Drug Interruption or Drug Discontinuation

    Time frame: Baseline up to 28 days post end of treatment (maximum up to 46 months)

    An AE was considered as any unfavorable and unintended sign, symptom, or disease associated with the use of the study drug, whether or not considered related to the study drug. Pre existing conditions that worsened during the study and laboratory or clinical tests that resulted in a change in treatment or discontinuation from study drug were reported as adverse events. Percentage of participants with dose interruption or discontinuation due to AE was presented.

  3. Percentage of Participants With AEs of Special Interest

    Time frame: Baseline up to 28 days post end of treatment (maximum up to 46 months)

    AEs of special interest included cutaneous squamous cell carcinoma (SCC), rash, photosensitivity, liver injury, arthralgia, fatigue, gastrointestinal (GI) polyps, pancreatitis, potentiation of radiation toxicity, prolongation of cardiac repolarization or arrhythmia, non-cutaneous SCC and other primary malignancies (other than cutaneous SCC or new primary melanoma).

  4. Mean Cumulative Dose of Vemurafenib

    Time frame: Baseline up to end of treatment or death (maximum up to 46 months)

  5. Duration of Vemurafenib Treatment

    Time frame: Baseline up to end of treatment or death (maximum upto 46 months)

    Exposure excluding treatment interruptions: Duration during which participants actually took vemurafenib. Any time without dose-taken due to adverse events, non-compliance or any other reasons was not counted.

    Exposure including treatment interruptions: date of last dose - date of first dose + 1; duration during which participants actually took vemurafenib as well as duration on which medication was not taken were included in this calculation.

  6. Mean Total Vemurafenib Dose Per Day

    Time frame: Baseline up to end of treatment or death (maximum up to 46 months)

    Exposure excluding treatment interruptions: Duration during which participants actually took vemurafenib. Any time without dose-taken due to adverse events, non-compliance or any other reasons was not counted.

    Exposure including treatment interruptions: date of last dose - date of first dose + 1; duration during which participants actually took vemurafenib as well as duration on which medication was not taken were included in this calculation. Average total dose per day: total actual dose taken divided by total actual days on treatment.

  7. Dose Intensity of Vemurafenib

    Time frame: Baseline up to end of treatment or death (maximum upto 46 months)

    Dose intensity was defined as (total actual doses taken/total planned doses) *100, where total planned doses = prescribed doses * planned days on treatment, where planned days on treatment were defined as the interval between date of first dose and date of last dose.

Secondary outcomes

  1. Percentage of Participants With Improvement in Eastern Cooperative Group (ECOG) Performance Status

    Time frame: Baseline, Day 1 of each 28 day cycle up to end of treatment (up to 46 months)

    ECOG Performance Status was measured on-therapy assessed participant's performance status on 5 point scale: 0 = fully active/able to carry on all pre-disease activities without restriction; 1=restricted in physically strenuous activity, ambulatory/able to carry out light or sedentary work; 2=ambulatory (greater than [>] 50% of waking hours [hrs]), capable of all self care, unable to carry out any work activities; 3=capable of only limited self care, confined to bed/chair >50% of waking hrs; 4=completely disabled, cannot carry on any self care, totally confined to bed/chair; 5=dead. Percentage of participants who had at least one point improvement from baseline at any assessment visit as well as at last study visit was reported.

  2. Percentage of Participants Who Received Any Concomitant Medications

    Time frame: Baseline up to 46 months

    Concomitant medications were all medications taken during the study, including those started before but ongoing at first dose. No medications for Melanoma were included. Percentage of participants who received at least one concomitant medication was reported.

  3. Percentage of Participants With Best Overall Response (BOR) of Confirmed Complete Response (CR) or Partial Response (PR), as Per Response Evaluation Criteria in Solid Tumors Version 1.1 (RECIST v1.1)

    Time frame: Baseline until first documentation of confirmed CR or PR (assessed at baseline, at Weeks 8, 16, as per institution standard of care thereafter but a minimum every 16 weeks thereafter until the end of the study [up to 46 months])

    BOR was assessed by the investigator according to RECIST v1.1. BOR was defined as having confirmed CR or PR. CR: disappearance of all target and non-target lesions and no new lesions, all pathological lymph nodes must have decreased to less than (<) 10 millimeter (mm) in short axis; PR: at least a 30% decrease in the sum of diameters of target lesions (taking as reference the baseline sum diameters), no progression in non-target lesion, and no new lesions.

    Confirmed responses were those that persisted on repeat imaging greater than or equal to (>=) 4 weeks after initial response.

  4. Duration of Response

    Time frame: From 1st documentation of confirmed CR or PR to PD or death, whichever occurred first (assessed at baseline, at Weeks 8, 16, as per institution standard of care thereafter but a minimum every 16 weeks thereafter until end of the study [up to 46 months])

    The duration of response was defined as the time between the date of first confirmed CR or PR and date of first progression of disease (PD), or death, from any cause. Responses were assessed as per RECIST v1.1. CR: disappearance of all target and non-target lesions and no new lesions, all pathological lymph nodes must have decreased to < 10 mm in short axis; PR: at least a 30% decrease in the sum of diameters of target lesions (taking as reference the baseline sum diameters), no progression in non-target lesion, and no new lesions. Confirmed responses were those that persisted on repeat imaging >= 4 weeks after initial response. PD: at least 20% increase in the sum of diameters of target lesions compared to smallest sum of diameters on-study and absolute increase of at least 5 mm, progression of existing non-target lesions, or presence of new lesion.

  5. Time to Response

    Time frame: Baseline until first documentation of confirmed CR or PR, whichever occurred first (assessed at baseline, at Weeks 8, 16, as per institution standard of care thereafter but a minimum every 16 weeks thereafter until the end of the study [up to 46 months])

    Time to response was defined as the time between the date of first treatment and date of first confirmed CR or PR (assessed as per RECIST v1.1). CR: disappearance of all target and non-target lesions and no new lesions, all pathological lymph nodes must have decreased to < 10 mm in short axis; PR: at least a 30% decrease in the sum of diameters of target lesions (taking as reference the baseline sum diameters), no progression in non-target lesion, and no new lesions. Confirmed responses were those that persisted on repeat imaging >= 4 weeks after initial response.

  6. Percentage of Participants With PD Assessed According to RECIST v1.1 or Death

    Time frame: Baseline until PD or death, whichever occurred first (assessed at baseline, at Weeks 8, 16, as per institution standard of care thereafter but a minimum every 16 weeks thereafter until the end of the study [up to 46 months])

    PD was assessed according to RECIST v1.1. PD was defined as at least 20% increase in the sum of diameters of target lesions compared to smallest sum of diameters on-study and absolute increase of at least 5 mm, progression of existing non-target lesions, or presence of new lesion.

  7. Progression Free Survival (PFS)

    Time frame: Baseline until PD or death, whichever occurred first (assessed at baseline, at Weeks 8, 16, as per institution standard of care thereafter but a minimum every 16 weeks thereafter until the end of the study [up to 46 months])

    PFS was defined as the time between the date of the first treatment and the date of first progression or death from any cause. PD was assessed according to RECIST v1.1. PD was defined as at least 20% increase in the sum of diameters of target lesions compared to smallest sum of diameters on-study and absolute increase of at least 5 mm, progression of existing non-target lesions, or presence of new lesion.

  8. Percentage of Participants Who Died

    Time frame: Baseline until death (maximum up to 46 months)

  9. Overall Survival (OS)

    Time frame: Baseline until death (maximum up to 46 months)

    Overall Survival was defined as the time from the date of first treatment to the date of death, regardless of the cause of death.

Sponsors and collaborators

Lead sponsor

Hoffmann-La Roche

Industry

Registry information

Official study title

An Open-Label, Multicenter Study to Assess the Safety of RO5185426 (Vemurafenib) in Patients With Metastatic Melanoma

Important dates

Study start
2011
Primary completion
2016
Study completion
2016
First posted
Mar 2, 2011
Registry last updated
Dec 18, 2017

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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