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Lonafarnib for cancer and progeria
Nan Soon Wong1, Michael A Morse
1National Cancer Centre Singapore, Department of Medical Oncology, Singapore.
Introduction:
Lonafarnib is a non-peptidomimetic inhibitor of farnesyl transferase, an enzyme responsible for the post-translational lipid modification of a wide variety of cellular proteins that are involved in the pathogenic pathways of various diseases including cancer and progeria. Although extensive clinical research indicates limited activity of lonafarnib in solid tumors, there is recent interest in combinations of farnesyl transferase inhibitors with imatinib or bortezomib in hematological malignancies and to investigate the role of lonafarnib in progeria.
Areas Covered:
This review examines the in vitro and in vivo pharmacology of lonafarnib and the available clinical data for lonafarnib monotherapy and combination therapy in the treatment of solid and hematological malignancies as well as progeria, using studies identified from the PubMed database supplemented by computerized search of relevant abstracts from major cancer and hematology conferences.
Expert Opinion:
There is no evidence to support the use of lonafarnib in solid tumors. There is ongoing interest to explore lonafarnib for progeria and to investigate other farnesyl transferase inhibitors for chronic and acute leukemias.
Insights
Lonafarnib, a farnesyl transferase inhibitor, shows limited efficacy in solid tumors but is being investigated for progeria and hematological malignancies. Further research is needed for these conditions.
Area of Science:
- Oncology
- Pharmacology
- Genetics
Background:
- Lonafarnib is a farnesyl transferase inhibitor impacting protein modification.
- It is implicated in diseases like cancer and progeria.
- Clinical research shows limited activity in solid tumors.
Purpose of the Study:
- To review the pharmacology and clinical data of lonafarnib.
- To evaluate its use in solid tumors, hematological malignancies, and progeria.
- To explore combination therapies.
Main Methods:
- In vitro and in vivo pharmacology studies.
- Review of clinical data from monotherapy and combination trials.
- Literature search of PubMed and conference abstracts.
Main Results:
- Lonafarnib demonstrates limited efficacy in solid tumors.
- Ongoing interest exists for lonafarnib in progeria treatment.
- Farnesyl transferase inhibitors are being investigated for leukemias.
Conclusions:
- No evidence supports lonafarnib for solid tumors.
- Lonafarnib's potential in progeria warrants further exploration.
- Other farnesyl transferase inhibitors may be relevant for leukemias.
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