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A Study of Vemurafenib in Previously Treated Patients With Metastatic Melanoma

This study has been completed.
Sponsor:
Information provided by (Responsible Party):
Hoffmann-La Roche
ClinicalTrials.gov Identifier:
NCT00949702
First received: July 28, 2009
Last updated: June 26, 2017
Last verified: June 2017
  Purpose
This open-label single arm study will assess the efficacy, safety and tolerability of Vemurafenib in previously treated patients with metastatic melanoma. Patients will receive oral Vemurafenib [RG7204; PLEXXIKON: PLX4032] at a dose of 960 mg b.i.d. continuously until disease progression or withdrawal from study and will be assessed at regular intervals for tumour response and tolerability. Target sample size is <100 patients.

Condition Intervention Phase
Malignant Melanoma Drug: vemurafenib Phase 2

Study Type: Interventional
Study Design: Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: An Open-label Multicenter Study on the Efficacy of Continuous Oral Dosing of Vemurafenib on Tumour Response in Previously Treated Patients With Metastatic Melanoma

Resource links provided by NLM:


Further study details as provided by Hoffmann-La Roche:

Primary Outcome Measures:
  • Best Overall Response (BOR) Assessed by an Independent Review Committee Using Response Evaluation Criteria In Solid Tumors (RECIST 1.1) [ Time Frame: From first treatment through September 27, 2010 ]
    BOR was defined as a complete response (CR) or partial response (PR) confirmed per Response Evaluation Criteria In Solid Tumors (RECIST) version 1.1. Patients who never received study treatment and treated patients without any post-baseline tumor assessments were considered as non-responders. CR: Disappearance of all target lesions, all non-target lesions, and no new lesion. Any pathological lymph nodes must have had reduction in the short axis to <10 mm. PR: At least a 30% decrease in the sum of diameters of target lesions, no progression in non-target lesion, and no new lesion.


Secondary Outcome Measures:
  • Best Overall Response (BOR) Assessed by the Investigator Using Response Evaluation Criteria In Solid Tumors (RECIST 1.1) [ Time Frame: From first treatment through September 27, 2010 ]
    BOR was defined as a complete response (CR) or partial response (PR) confirmed per Response Evaluation Criteria In Solid Tumors (RECIST) version 1.1. Patients who never received study treatment and treated patients without any post-baseline tumor assessments were considered as non-responders. CR: Disappearance of all target lesions, all non-target lesions, and no new lesion. Any pathological lymph nodes must have had reduction in the short axis to <10 mm. PR: At least a 30% decrease in the sum of diameters of target lesions, no progression in non-target lesion, and no new lesion.

  • Duration of Response Assessed by an Independent Review Committee Using Response Evaluation Criteria In Solid Tumors (RECIST 1.1) [ Time Frame: From first treatment through September 27, 2010 ]
    Duration of response was defined as the time interval between the date of the earliest qualifying response and the date of disease progression (PD) or death, only for those patients whose best overall response was complete response or partial response. PD: At least 20% increase in the sum of diameters of target lesions compared to Nadir (smallest sum of diameters on-study), unequivocal progression of existing non-target lesions, or presence of new lesion. For patients who were alive without progression, duration of response was censored on the date of the last evaluable tumor assessment.

  • Time to Response Assessed by an Independent Review Committee Using Response Evaluation Criteria In Solid Tumors (RECIST 1.1) [ Time Frame: From first treatment through September 27, 2010 ]
    Time to response was defined as the interval between the date of the first treatment and the date of the first documentation of confirmed complete response (CR) or partial response (PR), whichever occurred first.

  • Progression Free Survival (PFS) Assessed by an Independent Review Committee Using Response Evaluation Criteria In Solid Tumors (RECIST 1.1) [ Time Frame: From first treatment through September 27, 2010 ]
    PFS was defined the time interval between the date of the first treatment and the date of progression or death from any cause, whichever occurred first. Deaths that occurred in patients without disease progression were considered to be a PFS event on the date of death. Patients who neither progressed nor died were censored on the date of the last evaluable tumor assessment prior to the data cutoff date.

  • Overall Survival [ Time Frame: From first treatment through September 27, 2010 ]
    Overall survival was defined as the time from the date of the first treatment to the date of death, regardless of the cause of death. For patients who were alive at the time of analysis, overall survival was censored at the last date the patient was known to be alive prior to the data cutoff date.

  • Improvement in Physical Symptoms (Improvement in Physician's Assessment of Global Performance Status and Oxygen Saturation Requirements, and Decrease in Total Dose and Frequency of Narcotic Pain Analgesics) During Treatment in Comparison to Baseline [ Time Frame: From first treatment through September 27, 2010 ]
    Three parameters were measured. (1) Improvement in the Physician's Assessment of Global Performance status on a 7-point scale (1=very much better to 7=very much worse). (2) Improvement in oxygen saturation requirements, defined as a clinically meaningful increase in oxygen saturation requirement (from a baseline value < 95% to ≥ 95% saturation using a pulse oximeter). (3) A decrease in total dose and frequency of narcotic pain analgesics. The percentage of patients showing improvement (1 and 2) or a decrease (3) are reported.

  • Maximum Plasma Concentration (Cmax) of Vemurafenib on Day 15 of Cycle 1 [ Time Frame: Pre-dose to 8 hours post-dose on Day 15 of Cycle 1 ]
    Blood samples for assessing the concentration of vemurafenib in plasma were drawn before the morning dose and at 2, 4, 6, and 8 hours post-dose on Day 15 of Cycle 1. Pharmacokinetic parameters were estimated by non-compartmental analysis (Win Non-Lin).

  • Vemurafenib Plasma Level Area Under the Curve From 0 to 8 Hours (AUC0-8h) on Day 15 of Cycle 1 [ Time Frame: Pre-dose to 8 hours post-dose on Day 15 of Cycle 1 ]
    Blood samples for assessing the concentration of vemurafenib in plasma were drawn before the morning dose and at 2, 4, 6, and 8 hours post-dose on Day 15 of Cycle 1. Pharmacokinetic parameters were estimated by non-compartmental analysis (Win Non-Lin). AUC0-8h was calculated using the linear trapezoidal rule.

  • Vemurafenib Plasma Levels at Various Treatment Cycles [ Time Frame: Pre-dose Cycle 1 Day 1 to 4 hours post-dose Cycle 10 Day 1 ]
    Blood samples for assessing the concentration of vemurafenib in plasma were drawn before the morning dose and 4 hours post-dose at Day 1 of Cycles 1, 2, 3, 4, 6, 8, and 10. Each Cycle was 3 weeks in duration.

  • Time-matched Change From Baseline in the Study Specific Corrected QT Interval (QTcP) [ Time Frame: Pre-dose Cycle 1 Day 1 to pre-dose Cycle 6 Day 1 ]
    Three electrocardiograms (ECG) were obtained pre-dose and 2, 4, 6, and 8 hours post-dose at Days 1 and 15 of Cycle 1 and again pre-dose and 4 hours post-dose at various Cycles throughout treatment. Five baseline triplicate ECGs were obtained before the start of treatment at the same time points used during treatment. Reported is the largest mean time-matched QTcP change from baseline. QTcP=QT/(60/heart rate)^β (β=mean [calculated separately for males and females] log-transformed QT versus log-transformed RR regression slopes using all available pre-treatment (baseline) ECG values.

  • Percentage of Patients With Adverse Event [ Time Frame: From first treatment through September 27, 2010 ]
    The intensity of adverse events was graded according to the National Cancer Institute Common Terminology Criteria for Adverse Events v 4.0 (CTCAE) on a 5-point scale (Grade 1 to 5: Mild, Moderate, Severe, Life-threatening, and Death).


Enrollment: 132
Actual Study Start Date: September 30, 2009
Study Completion Date: June 3, 2014
Primary Completion Date: September 27, 2010 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: Single arm Drug: vemurafenib
960 mg b.i.d. continuous oral dosing

  Eligibility

Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • adult patients >/=18 years of age
  • histologically confirmed metastatic melanoma (Stage IV, AJCC)
  • patients must have completed and failed at least one prior standard of care regimen (e.g. DTIC, temozolomide, etc.)
  • BRAF V600E positive mutation (by Roche CoDx BRAF mutation assay)
  • measurable disease by RECIST criteria
  • negative pregnancy test and, for fertile men and women, effective contraception during treatment and for 6 months after completion

Exclusion Criteria:

  • active CNS metastases on CT/MRI within 28 days prior to enrollment
  • history of or known carcinomatous meningitis
  • previous treatment with BRAF (sorafenib allowed) or MEK inhibitor
  • cardiac dysrhythmias >2 NCI CTCAE or treatment with drugs with dysrhythmic potential
  • uncontrolled hypertension(>150/100mmHg) despite optimal medical therapy
  • infectious disease including HIV, HBV and HCV
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its ClinicalTrials.gov identifier: NCT00949702

Locations
United States, California
UCLA - School of Medicine; Division of Hematology/Oncology
Los Angeles, California, United States, 90095-6984
United States, Colorado
University of Colorado
Denver, Colorado, United States, 80262
United States, Florida
Moffitt Cancer Center
Tampa, Florida, United States, 33612
United States, Massachusetts
Massachusetts General Hospital;Hematology/ Oncology
Boston, Massachusetts, United States, 02114
Dana Farber Cancer Inst. ; Dept. of Medical Oncology
Boston, Massachusetts, United States, 02115
Beth Israel Deaconess Medical Center
Boston, Massachusetts, United States, 02215
United States, New York
New York University Medical Center
New York, New York, United States, 10036
United States, Pennsylvania
Hospital of the Uni of Pennsylvania; Section of Hematology/Oncology
Philadelphia, Pennsylvania, United States, 19104-4283
University of Pittsburgh
Pittsburgh, Pennsylvania, United States, 15213
United States, Tennessee
Vanderbilt-Ingram Cancer Ctr
Nashville, Tennessee, United States, 37232
United States, Texas
Texas Oncology-Baylor Sammons Cancer Center
Dallas, Texas, United States, 75246
University of Texas M.D. Anderson Cancer Center
Houston, Texas, United States, 77030
Australia, New South Wales
Calvary Mater Newcastle; Melanoma Clinic
Newcastle, New South Wales, Australia, 2298
Westmead Hospital; Medical Oncology and Pallative Care
Westmead, New South Wales, Australia, 2145
Australia, Victoria
Peter Maccallum Cancer Institute; Medical Oncology
Melbourne, Victoria, Australia, 3000
Sponsors and Collaborators
Hoffmann-La Roche
Investigators
Study Director: Clinical Trials Hoffmann-La Roche
  More Information

Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):

Responsible Party: Hoffmann-La Roche
ClinicalTrials.gov Identifier: NCT00949702     History of Changes
Other Study ID Numbers: NP22657
Study First Received: July 28, 2009
Results First Received: July 29, 2011
Last Updated: June 26, 2017

Additional relevant MeSH terms:
Melanoma
Neuroendocrine Tumors
Neuroectodermal Tumors
Neoplasms, Germ Cell and Embryonal
Neoplasms by Histologic Type
Neoplasms
Neoplasms, Nerve Tissue
Nevi and Melanomas

ClinicalTrials.gov processed this record on August 18, 2017