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The pharmacotherapeutic management of nail unit and acral melanomas
Julianne M Falotico1, Shari R Lipner2
1Renaissance School of Medicine at Stony Brook University, Stony Brook, NY, USA.
Introduction:
Acral and nail unit melanomas are rare subtypes of melanoma, which have poor prognoses. Current guidelines for optimal treatment are lacking. Recent clinical trials have evaluated new pharmacotherapeutic agents for melanoma treatment, with dramatically improved survival rates; however, studies on acral and nail unit melanomas are limited in comparison to trials on cutaneous melanoma.
Areas Covered:
This is a comprehensive review of the literature regarding the available treatment options for acral and nail unit melanomas, with consideration of safety and tolerability.
Expert Opinion:
Programmed cell death protein 1 inhibitors are more efficacious than cytotoxic T lymphocyte-associated antigen-4 blockers in acral and nail unit melanomas, although both are well-tolerated. Tyrosine kinase inhibitors have good clinical activity, however, data on safety is relatively limited. There is minimal data on high dose interferon α-2b and cyclin-dependent kinase 4 and 6 inhibitors, and efficacy and safety must be evaluated in future trials before they can be recommended for use in this patient population. Prospective clinical trials on acral and nail unit melanomas are lacking, and must be performed in large patient populations, with international collaboration likely necessary in order to enroll adequate participants.
Insights
Treatment for acral and nail unit melanomas is improving. Programmed cell death protein 1 inhibitors show promise, but more research is needed for other therapies and large clinical trials.
Area of Science:
- Oncology
- Dermatology
- Melanoma Research
Background:
- Acral and nail unit melanomas are rare melanoma subtypes with poor prognoses.
- Optimal treatment guidelines are currently lacking for these specific melanoma types.
- Limited research exists for acral and nail unit melanomas compared to cutaneous melanoma.
Purpose of the Study:
- To provide a comprehensive literature review on treatment options for acral and nail unit melanomas.
- To evaluate the safety and tolerability of current and emerging therapies.
- To identify gaps in research and suggest future directions for clinical trials.
Main Methods:
- Literature review of available treatment options for acral and nail unit melanomas.
- Analysis of safety and tolerability data from clinical studies.
- Synthesis of expert opinions on current therapeutic strategies.
Main Results:
- Programmed cell death protein 1 (PD-1) inhibitors are more effective than cytotoxic T lymphocyte-associated antigen-4 (CTLA-4) blockers for acral and nail unit melanomas.
- Both PD-1 and CTLA-4 inhibitors demonstrate good tolerability.
- Tyrosine kinase inhibitors show clinical activity, but safety data is limited.
Conclusions:
- PD-1 inhibitors represent a promising treatment avenue for acral and nail unit melanomas.
- Further investigation into the efficacy and safety of high-dose interferon α-2b and CDK4/6 inhibitors is warranted.
- Prospective, large-scale international clinical trials are essential for advancing treatment strategies.
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