A Randomized, Double-blind, Placebo-controlled Phase III Study to Evaluate the Efficacy and Safety of Dabrafenib Plus Trametinib in Previously Treated Patients With Locally Advanced or Metastatic, Radio-active Iodine Refractory BRAFV600E Mutation-positive Differentiated Thyroid Cancer (DTC)

  • STATUS
    Recruiting
  • End date
    Oct 30, 2026
  • participants needed
    150
  • sponsor
    Novartis Pharmaceuticals
Updated on 28 October 2022
Investigator
Novartis Pharmaceuticals
Primary Contact
Novartis Investigative Site (5.6 mi away) Contact
+30 other location

Summary

150 adults patients with locally advanced or metastatic BRAFV600E mutation-positive, differentiated thyroid carcinoma who are refractory to radioactive iodine and have progressed following prior VEGFR targeted therapy will enter in the trial. Patients will be randomized in a 2:1 ratio to either dabrafenib plus trametinib or placebo. Patients will be stratified by number of prior VEGFR targeted therapy (1versus2) and prior lenvatinib treatment (yes versus no)

Description

This is a global, multicenter, randomized, double-blind, placebo-controlled phase III study to evaluate the efficacy and safety of dabrafenib plus trametinib in adult patients with locally advanced or metastatic BRAFV600E mutation-positive, differentiated thyroid cancer who are refractory to radioactive iodine and have progressed following prior VEGFR targeted therapy. After eligibility assessment, approximately 150 patients will be randomized in a 2:1 ratio to either dabrafenib plus trametinib or placebo. Patients will receive dabrafenib in combination with trametinib or placebo until disease progression as per RECIST 1.1 as determined by investigator and confirmed by BIRC or loss of clinical benefit as determined by investigator, death, unacceptable toxicity, pregnancy, withdrawal of consent, lost to follow-up or early termination of the study by the sponsor. Patients randomized in the placebo arm and for whom progression as per RECIST 1.1 is confirmed by blinded independent review committee and who meet the criteria will be given the option to cross over to the open label combination drug dabrafenib plus trametinib

Details
Condition Differentiated Thyroid Cancer
Treatment Dabrafenib, Trametinib, Trametinib placebo, Dabrafenib placebo
Clinical Study IdentifierNCT04940052
SponsorNovartis Pharmaceuticals
Last Modified on28 October 2022

Eligibility

Yes No Not Sure

Inclusion Criteria

Signed informed consent must be obtained prior to performing any specific pre-screening and screening procedure
Male or female >= 18 years of age at the time of informed consent
Histologically or cytologically confirmed diagnosis of advanced/metastatic differentiated thyroid cancer
Radio active iodine refractory disease
BRAFV600E mutation positive tumor sample as per Novartis designated central laboratory result
Has progressed on at least 1 but not more than 2 prior VEGFR targeted therapy
Eastern Cooperative Oncology Group performance status >= 2
At least one measurable lesion as defined by RECIST 1.1

Exclusion Criteria

Anaplastic or medullary carcinoma of the Tyroid
Previous treatment with BRAF inhibitor and/or MEK inhibitor
Concomitant RET Fusion Positive Thyroid cancer
Receipt of any type of small molecule kinase inhibitor within 2 weeks before randomization
Receipt of any type of cancer antibody or systemic chemotherapy within 4 weeks before randomization
Receipt of radiation therapy for bone metastasis within 2 weeks or any other radiation therapy within 4 weeks before randomization
A history or current evidence/risk of retinal vein occlusion or central serous retinopathy
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