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Bortezomib

Iodine

Cadexomer iodine

Bortezomib 1.3 mg/m\^2 intravenous (IV) at over 3-5 seconds on days 1, 4, 8, and 11. Treatment repeats every 21 days for at least 4 courses.

Administered IV at the dose of 1.3 mg/m\^2 on a twice-weekly schedule for 2 consecutive weeks on days 1, 4, 8, and 11, followed by a 10 day rest period on days 12-21 (one cycle). In the absence of clinical progression, treatment continued for a minimum of 4 treatment cycles (or 12 weeks).

Steven Sherman

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

PRIMARY OBJECTIVE:

I. Determine the efficacy of bortezomib, in terms of tumor response rate, in patients with metastatic papillary or follicular thyroid cancer unresponsive to prior radioiodine therapy.

SECONDARY OBJECTIVE:

I. Determine the clinical activity of this drug, in terms of progression-free survival, in patients treated with this drug.

OUTLINE: This is an open-label, multicenter study. Patients receive bortezomib IV over 3-5 seconds on days 1, 4, 8, and 11. Treatment repeats every 21 days for at least 4 courses in the absence of disease progression or unacceptable toxicity. After completion of study treatment, patients are followed periodically.

Bortezomib in Treating Patients With Metastatic Thyroid Cancer That Did Not Respond to Radioactive Iodine Therapy

A Phase II Study of Bortezomib in Metastatic Papillary Thyroid Carcinoma or Follicular Thyroid Carcinoma

Response Rate calculated as number of participants with Complete or Partial Response divided by total participants. Baseline scan and confirmatory scans obtained 6 weeks following initial documentation of objective response using Response Evaluation Criteria in Solid Tumors (RECIST). Complete Response (CR): Disappearance of all target lesions; Partial Response (PR): \>30% decrease in sum longest diameter (LD) of target lesions, taking as reference the baseline sum LD; Progressive Disease (PD): At least a 20% increase in the sum of the LD of target lesions, taking as reference the smallest sum LD recorded since the treatment started or the appearance of one or more new lesions; Stable Disease (SD): Neither sufficient shrinkage to qualify for PR nor sufficient increase to qualify for PD, taking as reference the smallest sum LD since the treatment started.

Baseline scan and confirmatory scans obtained 6 weeks following initial documentation of objective response using Response Evaluation Criteria in Solid Tumors (RECIST). Complete Response (CR): Disappearance of all target lesions; Partial Response (PR): \>30% decrease in sum longest diameter (LD) of target lesions, taking as reference the baseline sum LD; Progressive Disease (PD): At least a 20% increase in the sum of the LD of target lesions, taking as reference the smallest sum LD recorded since the treatment started or the appearance of one or more new lesions; Stable Disease (SD): Neither sufficient shrinkage to qualify for PR nor sufficient increase to qualify for PD, taking as reference the smallest sum LD since the treatment started.

Progression is defined using Response Evaluation Criteria In Solid Tumors Criteria (RECIST v1.0), as a 20% increase in the sum of the longest diameter of target lesions, or a measurable increase in a non-target lesion, or the appearance of new lesions

Study title	NCT ID	Conditions	Interventions	Eligibility	Organization	Link
Bortezomib in Treating Patients With Metastatic Thyroid Cancer That Did Not Respond to Radioactive Iodine Therapy	NCT00104871	Insular Thyroid... Recurrent Thyro... Stage II Follic... Stage II Papill... Stage IV Follic... Stage IV Papill...	Bortezomib	18 Years -	National Cancer Institute (NCI)
Bortezomib in Treating Patients With Metastatic Thyroid Cancer That Did Not Respond to Radioactive Iodine Therapy	NCT00104871	Insular Thyroid... Recurrent Thyro... Stage II Follic... Stage II Papill... Stage IV Follic... Stage IV Papill...	Bortezomib	18 Years -	National Cancer Institute (NCI)

Spots Global Cancer Trial Database for follicular epithelial thyroid cells