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Updated: Jan 10, 2026

A 3D Organotypic Melanoma Spheroid Skin Model
Published on: May 18, 2018
The Potential of Phytochemicals to Overcome Multidrug Resistance in Metastatic Melanoma
Jacqueline Maphutha1, Danielle Twilley1, Mona Dawood2,3
1Department of Plant and Soil Sciences, University of Pretoria, Pretoria, South Africa.
Abstract:
Metastatic melanoma is the most lethal form of skin cancer, accounting for most skin cancer-related deaths. Immunotherapies and targeted therapies have improved overall and progression-free survival rates in metastatic melanoma patients. The effectiveness of these therapies decreases due to multidrug resistance (MDR). In contrast to previous reviews, this review extensively highlights the hallmarks of MDR and strategies for reversal of MDR. The review also critically evaluates the challenges in clinical translation of phytochemicals for metastatic melanoma and strategies to overcome these challenges. This review also highlights the various gaps that exist in metastatic melanoma (e.g., vascularized organ-on-a-chip model has not been developed for melanoma which is largely influenced by angiogenesis). These gaps offer novel avenues that could be explored for clinical translation of phytochemicals.
Insights
This review explores multidrug resistance (MDR) in metastatic melanoma, focusing on phytochemical strategies to overcome treatment challenges and improve survival rates for this lethal skin cancer.
Area of Science:
- Oncology
- Dermatology
- Pharmacology
Background:
- Metastatic melanoma is a lethal skin cancer with poor survival rates.
- Immunotherapies and targeted therapies have improved outcomes but face limitations due to multidrug resistance (MDR).
- Addressing MDR is crucial for enhancing treatment efficacy in metastatic melanoma.
Purpose of the Study:
- To extensively review the hallmarks of multidrug resistance (MDR) in metastatic melanoma.
- To highlight strategies for the reversal of MDR.
- To critically evaluate the clinical translation challenges of phytochemicals for metastatic melanoma and propose solutions.
Main Methods:
- Comprehensive literature review focusing on MDR mechanisms in melanoma.
- Analysis of existing and emerging phytochemicals with potential anti-melanoma activity.
- Evaluation of clinical translation hurdles and research gaps in melanoma treatment.
Main Results:
- Detailed exposition of MDR hallmarks and effective reversal strategies.
- Identification of challenges in translating phytochemicals into clinical practice for melanoma.
- Highlighting research gaps, such as the need for vascularized organ-on-a-chip models for melanoma.
Conclusions:
- Phytochemicals offer promising avenues for overcoming MDR in metastatic melanoma.
- Addressing identified research gaps and clinical translation challenges is essential for therapeutic advancement.
- Novel approaches, including advanced in vitro models, are needed to accelerate phytochemical development for melanoma.
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