2009
DOI: 10.1089/thy.2008.0321
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A Phase II Trial of Fosbretabulin in Advanced Anaplastic Thyroid Carcinoma and Correlation of Baseline Serum-Soluble Intracellular Adhesion Molecule-1 with Outcome

Abstract: There were no objective responses seen with single-agent fosbretabulin as administered in this trial, and we did not observe a doubling of survival as our primary endpoint. This is among the largest prospective trials ever conducted for ATC. Fosbretabulin has an acceptable safety profile in patients with advanced ATC, and one-third survived more than 6 months. Despite a small sample size, low baseline sICAM levels were predictive of event-free survival. Further prospective validation of sICAM as a therapeutic … Show more

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Cited by 174 publications
(90 citation statements)
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“…The water-soluble phosphate prodrug CA4P, selected for further preclinical development, has drawn significant attention due to its potent and selective effect on tumor blood vessels, causing rapid vascular shutdown, leading to necrosis of the central tumor, an area that is often resistant to conventional anticancer treatments. The prodrug CA4P (forsbretabulin) is currently being evaluated, either alone or in combination with paclitaxel or carboplatin, in clinical studies for the treatment of patients with anaplastic thyroid carcinoma [6] or advanced cancer. [7,8] By binding to tubulin in tumor endothelial cells, VDAs such as CA4 cause rapid microtubule depolymerization.…”
Section: Introductionmentioning
confidence: 99%
“…The water-soluble phosphate prodrug CA4P, selected for further preclinical development, has drawn significant attention due to its potent and selective effect on tumor blood vessels, causing rapid vascular shutdown, leading to necrosis of the central tumor, an area that is often resistant to conventional anticancer treatments. The prodrug CA4P (forsbretabulin) is currently being evaluated, either alone or in combination with paclitaxel or carboplatin, in clinical studies for the treatment of patients with anaplastic thyroid carcinoma [6] or advanced cancer. [7,8] By binding to tubulin in tumor endothelial cells, VDAs such as CA4 cause rapid microtubule depolymerization.…”
Section: Introductionmentioning
confidence: 99%
“…Median duration of stable disease was 12.3 months (range 4.4-37.9). Low-baseline soluble intracellular adhesion molecule-1 (sICAM) appeared to predict better event-free survival [45]. In a Phase 2/3 trial, fosbretabulin, paclitaxel, and carboplatin combination was compared to carboplatin and paclitaxel only in 80 patients with ATC.…”
Section: Emerging Therapiesmentioning
confidence: 99%
“…Of all the aforementioned, sorafenib, 30---32 axitinib, 33 gefitinib, 34 imatinib, 35 and the antimicrotubule fosbretabulin and combretastatin A4 phosphate agents 36 have been studied in phase II clinical trials with a small number of patients with promising results and a 33---75% rate of disease control. There are several studies underway with different drugs in monotherapy or associated with chemotherapy.…”
Section: What Systemic Therapies Should Be Considered For Metastatic mentioning
confidence: 99%