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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/ct2/show/NCT01584648
Registration number
NCT01584648
Ethics application status
Date submitted
23/04/2012
Date registered
25/04/2012
Date last updated
17/02/2021
Titles & IDs
Public title
A Study Comparing Trametinib and Dabrafenib Combination Therapy to Dabrafenib Monotherapy in Subjects With BRAF-mutant Melanoma
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Scientific title
A Phase III, Randomized, Double-blinded Study Comparing the Combination of the BRAF Inhibitor, Dabrafenib and the MEK Inhibitor, Trametinib to Dabrafenib and Placebo as First-line Therapy in Subjects With Unresectable (Stage IIIC) or Metastatic (Stage IV) BRAF V600E/K Mutation-positive Cutaneous Melanoma
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Secondary ID [1]
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2011-006087-49
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Secondary ID [2]
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115306
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Universal Trial Number (UTN)
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Melanoma
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Condition category
Condition code
Cancer
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Malignant melanoma
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Drugs - Dabrafenib
Treatment: Drugs - Trametinib
Treatment: Drugs - Trametinib placebo
Experimental: Dabrafenib + Trametinib - Dabrafenib and Trametinib combination
Active Comparator: Dabrafenib + Placebo - Dabrafenib and Trametinib placebo
Treatment: Drugs: Dabrafenib
Dabrafenib 150 mg twice daily
Treatment: Drugs: Trametinib
Trametinib 2 mg once daily
Treatment: Drugs: Trametinib placebo
Dabrafenib 150 mg twice daily and trametinib placebo
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Intervention code [1]
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Treatment: Drugs
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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Progression-Free Survival (PFS) as Assessed by the Investigator
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Assessment method [1]
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PFS is defined as the interval between the date of randomization and the earliest date of PD or death due to any cause. PD was based on radiographic or photographic evidence, and assessments were made by the investigator according to RECIST, version 1.1. PD is defined as at least a 20% increase in the sum of the diameters of target lesions, taking as a reference, the smallest sum of diameters recorded since the treatment started. In addition, the sum must have an absolute increase from nadir of 5 mm. The appearance of one or more new lesions, or the worsening of non-target lesions significant enough to require study treatment discontinuation, was also included as PD. Participants who received anti-cancer therapy prior to the date of documented events, were censored at the last adequate assessment prior to the initiation of therapy. If the participant did not have documented progression or death, PFS was censored at the date of the last adequate assessment.
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Timepoint [1]
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From randomization until the earliest date of disease progression (PD) or death due to any cause (up to approximately 6 years)
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Secondary outcome [1]
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Overall Survival (OS)
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Assessment method [1]
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OS is defined as the interval of time between the date of randomization and the date of death due to any cause. For the participants who did not die, overall survival was censored at the date of last contact.
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Timepoint [1]
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From the date of randomization until date of death due to any cause (up to approximately 6 years)
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Secondary outcome [2]
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Objective Response Rate (ORR) as Assessed by the Investigator
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Assessment method [2]
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ORR is defined as the percentage of participants with a confirmed complete response (CR) or partial response (PR). A participant was defined as a responder if he/she sustained a complete response (CR: the disappearance of all target lesions and any pathological lymph nodes must have a short axis of <10 mm and the disappearance of all non-target lesions) or partial response (PR: at least a 30% decrease in the sum of the diameters of target lesions, taking as a reference, the Baseline sum of the diameters or the persistence of 1 or more non-target lesions or lymph nodes identified as a site of disease at Baseline with a short axis of =10mm). Only descriptive analysis performed.
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Timepoint [2]
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From randomization until the first documented complete response or partial response (up to approximately 6 years)
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Secondary outcome [3]
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Duration of Response (DoR)
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Assessment method [3]
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Duration of response is defined as the time from the first documented complete response (CR: the disappearance of all target lesions and any pathological lymph nodes must have a short axis of <10 mm and the disappearance of all non-target lesions) or partial response (PR: at least a 30% decrease in the sum of the diameters of target lesions, taking as a reference, the Baseline sum of the diameters or the persistence of 1 or more non-target lesions or lymph nodes identified as a site of disease at Baseline with a short axis of =10mm) until disease progression (PD) or death due to any cause. PD is defined as at least a 20% increase in the sum of the diameters of target lesions with an absolute increase of at least 5mm or the appearance of one or more new lesions, or the worsening of non target lesions significant enough to require study treatment discontinuation. PD was based on the radiological evidence by investigator. Only descriptive analysis performed.
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Timepoint [3]
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From the time of the first documented response (CR or PR) until disease progression (up to approximately 6 years)
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Secondary outcome [4]
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Trametinib Pharmacokinetic Concentrations
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Assessment method [4]
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Blood samples were collected for Pharmacokinetic (PK) analysis in all participants. Three blood samples were collected at Week 8: pre-dose, 1-3 hours post dose, and 4-6 hours post dose. One pre-dose blood sample was obtained at Weeks 16 and 24. Only descriptive analysis performed.
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Timepoint [4]
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Week 8 (0, 1-3, 4-6 hours post dose), Weeks 16 and 24 (0 hour pre-dose)
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Secondary outcome [5]
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Dabrafenib and Dabrafenib Metabolites (Hydroxy-, Carboxy- and Desmethyl-Dabrafenib) Concentrations
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Assessment method [5]
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Blood samples were collected for PK analysis in all participants. Three blood samples were collected at Week 8: pre-dose, 1-3 hours post dose, and 4-6 hours post dose. One pre-dose blood sample was obtained at Weeks 16 and 24. Plasma concentrations of Dabrafenib (GSK2118436) and its metabolites (Hydroxy-Dabrafenib (GSK2285403), Carboxy-Dabrafenib (GSK2298683), and Desmethyl-Dabrafenib (GSK2167542)) were determined using the currently approved analytical methodology. Only descriptive analysis performed.
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Timepoint [5]
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Week 8 (0, 1-3, 4-6 hours post dose), Weeks 16 and 24 (0 hour pre-dose)
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Secondary outcome [6]
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Number of Participants With Adverse Events and Serious Adverse Events
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Assessment method [6]
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Analysis of absolute and relative frequencies for Adverse Event (AE) and Serious Adverse Event (SAE) by primary System Organ Class (SOC) to characterize the safety of dabrafenib and trametinib combination therapy through the monitoring of relevant clinical and laboratory safety parameters. In addition, new malignancies and AEs possibly related to study treatment were collected even if they occurred more than 30 days post-treatment. Only descriptive analysis performed.
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Timepoint [6]
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From the time the first dose of study treatment administered until 30 days after discontinuation of study treatment (up to approximately 6 years).
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Eligibility
Key inclusion criteria
- Histologically confirmed cutaneous melanoma that is either Stage IIIC (unresectable)
or Stage IV (metastatic), and determined to be BRAF V600E/K mutation-positive using
the bioMerieux (bMx) investigational use only (IUO) THxID BRAF Assay (IDE: G120011).
The assay will be conducted by a central reference laboratory. Subjects with ocular or
mucosal melanoma are not eligible.
- The subject must have a radiologically measurable tumor
- The subject is able to carry out daily life activities without significant difficulty
(ECOG performance status score of 0 or 1).
- Able to swallow and retain oral medication
- Sexually active subjects must use acceptable methods of contraception during the
course of the study
- Adequate organ system function and blood counts
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Minimum age
18
Years
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Maximum age
No limit
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
- Prior treatment with a BRAF or a MEK inhibitor
- Prior systemic anti-cancer treatment for Stage IIIC (unresectable) or Stage IV
(metastatic) melanoma. Prior systemic treatment in the adjuvant setting is allowed.
(Note: Ipilimumab treatment must end at least 8 weeks prior to randomization.)
- The subject has received major surgery or certain tyes of cancer therapy with 21 days
of starting treatment
- Current use of prohibited medication listed in the protocol
- Left ventricular ejection fraction less than the lower limit of normal
- Uncontrolled blood pressurl
- History or current evidence of retinal vein occlusion or central serous retinopathy
- Brain metastases unless previously treated with surgery or stereotactic radiosurgery
and the disease has been stable for at least 12 weeks
- The subject is pregnant or nursing
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Study design
Purpose of the study
Treatment
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Allocation to intervention
Randomised controlled trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Blinded (masking used)
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Who is / are masked / blinded?
The people receiving the treatment/s
The people administering the treatment/s
The people assessing the outcomes
The people analysing the results/data
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Intervention assignment
Parallel
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Other design features
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Phase
Phase 3
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
4/05/2012
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
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Actual
28/02/2019
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Sample size
Target
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Accrual to date
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Final
423
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Recruitment in Australia
Recruitment state(s)
NSW,QLD,SA,VIC,WA
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Recruitment hospital [1]
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Novartis Investigative Site - North Sydney
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Novartis Investigative Site - Westmead
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Novartis Investigative Site - Woolloongabba
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Novartis Investigative Site - Adelaide
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Novartis Investigative Site - Heidelberg
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Novartis Investigative Site - Nedlands
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2060 - North Sydney
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2145 - Westmead
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4102 - Woolloongabba
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Recruitment postcode(s) [4]
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5000 - Adelaide
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Recruitment postcode(s) [5]
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3084 - Heidelberg
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Recruitment postcode(s) [6]
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6009 - Nedlands
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Recruitment outside Australia
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Preston
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Funding & Sponsors
Primary sponsor type
Commercial sector/Industry
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Name
Novartis Pharmaceuticals
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Address
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Ethics approval
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Summary
Brief summary
This was a two-arm, double-blinded, randomized, Phase III study comparing dabrafenib and
trametinib combination therapy to dabrafenib administered with a placebo (dabrafenib
monotherapy). Subjects with histologically confirmed cutaneous melanoma that is either Stage
IIIC (unresectable) or Stage IV, and BRAF V600E/K mutation positive were screened for
eligibility. 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. Subjects were stratified according to the baseline lactate dehydrogenase
level and BRAF genotype.
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Trial website
https://clinicaltrials.gov/ct2/show/NCT01584648
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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Novartis Pharmaceuticals
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Address
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Novartis Pharmaceuticals
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Contact person for scientific queries
Summary Results
For IPD and results data, please see
https://clinicaltrials.gov/ct2/show/NCT01584648
Download to PDF