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[What's new in dermato-oncology?]
1Service de dermatologie, hôpital Saint-Louis, 1 av Claude-Vellefaux, 75475 Paris cedex 10, France. nicole.basset-seguin@sls.aphp.fr
Annales De Dermatologie Et De Venereologie
|December 29, 2011
Summary
New targeted therapies offer advanced options for skin cancers like basal cell carcinoma and squamous cell carcinoma. Research explores resistance mechanisms and combinations for melanoma, alongside new treatments for actinic keratosis and Merkel carcinoma.
Area of Science:
- Dermatology and Oncology
- Molecular Biology and Genetics
- Therapeutic Drug Development
Background:
- Significant advancements in skin cancer treatment include targeted therapies for basal cell carcinoma (BCC) and squamous cell carcinoma (SCC).
- Current targeted therapies for advanced, non-surgically removable skin tumors show efficacy but raise concerns about long-term tolerability.
- Distinct cellular origins and molecular pathways in BCC and SCC stem cells explain their different behaviors.
Purpose of the Study:
- To review recent therapeutic advances in various skin cancers, including BCC, SCC, melanoma, and cutaneous lymphomas.
- To highlight novel targeted therapies, their efficacy, resistance mechanisms, and potential combination strategies.
- To discuss new agents for actinic keratosis, Merkel carcinoma, and sarcomas, as well as preventative measures for melanoma.
Main Methods:
- Review of published phase III studies and clinical trial results for innovative skin cancer therapies.
- Analysis of laboratory findings on stem cell compartments and molecular events in BCC and SCC.
- Evaluation of data on drug combinations, adverse events, and treatment resistance mechanisms.
Main Results:
- Targeted therapies like anti-hedgehog and anti-EGFR show promise for advanced BCC and SCC, respectively.
- For melanoma, BRAF inhibitors (e.g., vemurafenib) demonstrate high response rates compared to DTIC, though resistance is a challenge.
- Combination therapies (ipilimumab + DTIC) and emerging agents (ingenol mebutate, imatinib) offer expanded treatment options for various skin malignancies.
Conclusions:
- Targeted therapies and novel agents are expanding treatment paradigms for skin carcinomas, melanoma, and sarcomas.
- Understanding resistance mechanisms and exploring combination therapies are crucial for improving long-term outcomes in melanoma.
- Further research is needed to determine the long-term tolerability of suspensive therapies and to fully elucidate the role of new agents and genetic factors in skin cancer.
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