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Clinical Trial Summary

This phase II trial is studying how well AZD6244 works in treating patients with papillary thyroid cancer that did not respond to radioactive iodine. AZD6244 may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth.


Clinical Trial Description

PRIMARY OBJECTIVES:

I. Ascertain the objective response rate (complete response and partial response) in patients with iodine I 131-refractory papillary thyroid cancer treated with AZD6244.

SECONDARY OBJECTIVES:

I. Determine the toxicity of this treatment in these patients. II. Determine the pharmacokinetic profile of this treatment in these patients. III. Determine the progression-free and overall survival of these patients. IV. Assess proxy measures of treatment response (thyroglobulin and PET scan) in patients treated with AZD6244.

IV. Compare relevant laboratory correlates between responders and non-responders.

OUTLINE: This is a multicenter study.

Patients receive oral AZD6244 twice daily on days 1-28. Treatment repeats every 28 days in the absence of unacceptable toxicity or disease progression.

Archived tissue is examined for gene mutations, including RET, BRAF, NTRK, and RAS, by fluorescence in situ hybridization and/or polymerase chain reaction and fluorescence melting curve analysis. Protein expression of ERK and phosphorylated ERK is assessed by immunohistochemical staining.

Blood samples are collected periodically for pharmacokinetic analysis and biomarker assessment (thyroglobulin and antithyroglobulin autoantibodies).

After completion of study therapy, patients are followed periodically for up to 2 years. ;


Study Design

Endpoint Classification: Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment


Related Conditions & MeSH terms

  • Carcinoma
  • Recurrent Thyroid Gland Carcinoma
  • Stage I Thyroid Gland Papillary Carcinoma
  • Stage II Thyroid Gland Papillary Carcinoma
  • Stage III Thyroid Gland Papillary Carcinoma
  • Stage IV Thyroid Gland Papillary Carcinoma
  • Thyroid Diseases
  • Thyroid Neoplasms

NCT number NCT00559949
Study type Interventional
Source National Cancer Institute (NCI)
Contact
Status Completed
Phase Phase 2
Start date December 2007
Completion date August 2016

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