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Axitinib, a novel anti-angiogenic drug with promising activity in various solid tumors
1Harvard Medical School, Dana-Farber Cancer Institute/Brigham and Women's Hospital, Lank Center for Genitourinary Oncology, 44 Binney Street, dana 1230, Boston, MA 02115, USA. Toni_Choueiri@dfci.harvard.edu
Abstract:
Axitinib is an oral inhibitor of the VEGF, PDGF and colony stimulating factor-1 receptor tyrosine kinases and is currently in development by Pfizer Inc for the potential treatment of various solid tumors. Phase II trials with this agent alone or in combination with chemotherapeutic drugs were reported in several types of malignancy, with activity observed in thyroid, pancreatic, lung, renal, breast and colorectal cancers, melanoma and other carcinomas. Although frequent side effects have included fatigue, hypertension, diarrhea, hand-foot syndrome and proteinuria, axitinib was well tolerated overall. Larger, randomized phase II/III studies were ongoing at the time of publication.
Insights
Axitinib, an inhibitor of VEGF and PDGF, shows activity in various solid tumors like thyroid and lung cancer. While side effects occurred, the drug was generally well-tolerated in Phase II trials.
Area of Science:
- Oncology
- Pharmacology
Background:
- Axitinib is an oral tyrosine kinase inhibitor targeting VEGF, PDGF, and CSF-1R.
- It is under development by Pfizer Inc. for various solid tumors.
Purpose of the Study:
- To evaluate the efficacy and tolerability of axitinib in Phase II trials.
- To assess axitinib's activity as a monotherapy and in combination with chemotherapy.
Main Methods:
- Phase II clinical trials were conducted.
- Axitinib was administered alone or combined with chemotherapeutic agents.
Main Results:
- Activity was observed in thyroid, pancreatic, lung, renal, breast, and colorectal cancers, as well as melanoma and other carcinomas.
- Common side effects included fatigue, hypertension, diarrhea, hand-foot syndrome, and proteinuria.
- Axitinib was generally well-tolerated.
Conclusions:
- Axitinib demonstrates potential therapeutic activity across a range of solid tumors.
- Further investigation in larger, randomized Phase II/III studies is warranted.
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