Phase I trial of vandetanib in combination with gemcitabine and capecitabine in patients with advanced solid tumors with an expanded cohort in pancreatic and biliary cancers.
Abstract | BACKGROUND: METHODS: In this single center phase I trial, patients received gemcitabine intravenously (i.v.) at 1000 mg/m2 days 1, 8, 15 in a 28 day cycle, capecitabine orally at 850 mg/m2 twice daily on days 1-21, and escalating doses of vandetanib (200 or 300 mg orally daily). Once the MTD was defined, an expansion cohort of patients with advanced biliary cancers and locally advanced or metastatic pancreatic cancer was enrolled. Blood samples were also collected at predetermined time points for biomarker analysis. RESULTS: Twenty-three patients were enrolled: 9 in the dose escalation and 14 in the dose expansion cohort. One dose limiting toxicity (DLT), of grade 4 neutropenia, occurred in the 200 mg vandetanib cohort. The most common adverse effects were diarrhea (39 %), nausea and vomiting (34%), and rash (33%). There were 3 partial responses and stable disease of >2 months (range 2-45, median 5) was observed in 15/23 patients. There was no association between changes in biomarker analytes and disease response. CONCLUSION: The combination of gemcitabine, capecitabine and vandetanib is well tolerated at the recommended phase II dose of gemcitabine 1000 mg/m2 weekly for three consecutive weeks, capecitabine 850 mg/m2 BID days 1-21, and vandetanib 300 mg daily, every 28 days. This combination demonstrated promising activity in pancreaticobiliary cancers and further evaluation is warranted in these diseases. NCT00551096.
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Authors | Elizabeth R Kessler, S Gail Eckhardt, Todd M Pitts, Erica L Bradshaw-Pierce, Cindy L O'byrant, Wells A Messersmith, Sujatha Nallapreddy, Colin Weekes, Jennifer Spratlin, Christopher H Lieu, Madeleine A Kane, Sarah Eppers, Elizabeth Freas, Stephen Leong |
Journal | Investigational new drugs
(Invest New Drugs)
Vol. 34
Issue 2
Pg. 176-83
(Apr 2016)
ISSN: 1573-0646 [Electronic] United States |
PMID | 26715573
(Publication Type: Clinical Trial, Phase I, Journal Article, Research Support, N.I.H., Extramural, Research Support, Non-U.S. Gov't)
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Chemical References |
- Piperidines
- Quinazolines
- Deoxycytidine
- Capecitabine
- vandetanib
- Gemcitabine
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Topics |
- Adult
- Aged
- Antineoplastic Combined Chemotherapy Protocols
(adverse effects, pharmacology, therapeutic use)
- Biliary Tract Neoplasms
(drug therapy, pathology)
- Capecitabine
(adverse effects, pharmacology, therapeutic use)
- Cohort Studies
- Deoxycytidine
(adverse effects, analogs & derivatives, pharmacology, therapeutic use)
- Female
- Humans
- Male
- Middle Aged
- Neoplasm Staging
- Pancreatic Neoplasms
(drug therapy, pathology)
- Piperidines
(adverse effects, pharmacology, therapeutic use)
- Quinazolines
(adverse effects, pharmacology, therapeutic use)
- Treatment Outcome
- Gemcitabine
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