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Clinical Trial Summary

This is a patient pilot study testing the hypothesis that vemurafenib with the addition of KTN3379 can restore iodine incorporation in BRAF mutant (MUT), radioiodine-refractory (RAIR) thyroid cancer patients.


Clinical Trial Description

This is a patient pilot study testing the hypothesis that vemurafenib with the addition of KTN3379 can restore iodine incorporation in BRAF mutant (MUT), radioiodine-refractory (RAIR) thyroid cancer patients. Eligible patients with BRAF MUT, RAIR thyroid cancer will undergo human recombinant TSH (rhTSH or Thyrogen)-stimulated 124I PET/CT lesional dosimetry to quantify the baseline RAI avidity of index metastatic lesion(s). Patients will then receive vemurafenib followed by the addition of KTN3379 after which a second Thyrogen-stimulated 124I PET/CT lesional dosimetry will be performed. For patients whose tumor(s) demonstrate sufficient iodine incorporation warranting 131I therapy, Thyrogen-stimulated standard dosimetry will be performed and therapeutic 131I will be administered concurrently with vemurafenib and KTN3379. Subsequent to discontinuation of vemurafenib, tumor assessments will be conducted with serial radiologic scan(s) and thyroglobulins (scans will be performed at baseline, before 131I, 3 months (+/- 1 month) following 131I, and 6 months after 131I). ;


Study Design


Related Conditions & MeSH terms


NCT number NCT02456701
Study type Interventional
Source Celldex Therapeutics
Contact
Status Completed
Phase Phase 1
Start date June 2015
Completion date October 13, 2016

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