Which dose works best? study tests two strengths of thyroid cancer drug
NCT ID NCT01496313
First seen Nov 01, 2025 · Last updated May 04, 2026 · Updated 28 times
Summary
This study tested two daily doses (150 mg vs 300 mg) of the drug vandetanib in 81 adults with advanced medullary thyroid cancer that had spread or caused symptoms. The goal was to see which dose better shrinks tumors and to compare side effects. Participants took the drug by mouth and were monitored for tumor response using standard criteria.
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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Contacts and locations
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Locations
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Investigational Site Number : 1901
Prague, 15006, Czechia
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Investigational Site Number : 1903
Olomouc, 77900, Czechia
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Investigational Site Number : 5703
Gliwice, 44-101, Poland
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Investigational Site Number : 5704
Warsaw, Masovian Voivodeship, 02-781, Poland
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Research Site
Houston, Texas, United States
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Olomouc, Czechia
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Prague, Czechia
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Bangalore Karnataka, India
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Vellore, India
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Beersheba, Israel
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Haifa, Israel
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Jerusalem, Israel
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Petah Tikva, Israel
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Catania, Italy
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Milan, Italy
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Palermo, Italy
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Pisa, Italy
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Roma, Italy
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Siena, Italy
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Torino, Italy
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Groningen, Netherlands
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Leiden, Netherlands
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Gliwice, Poland
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Warsaw, Poland
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Zgierz, Poland
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Saint Petersburg, Russia
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Cardiff, United Kingdom
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Greater London, United Kingdom
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London, United Kingdom
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Research Site
Tyne & Wear, United Kingdom
Conditions
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