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Female Oncofertility and Immune Checkpoint Blockade in Melanoma: Where Are We Today?
Cha Len Lee1, Erika Martinez1, Diego Malon Gimenez1
1Division of Medical Oncology and Hematology, Princess Margaret Cancer Center, University Health Network, University of Toronto, Toronto, ON M5G 1Z5, Canada.
Abstract:
The incidence of melanoma among young adults has risen, yet mortality has declined annually since the introduction of immune checkpoint inhibitors (ICI). The utilization of peri-operative ICI has significantly altered the treatment landscape in melanoma, with PD-1 inhibitors showing promising efficacy in improving relapse-free survival rates in high-risk stage II-III disease. With the increasing use of ICI, secondary concerns have emerged regarding the impact of cancer drugs on fertility and reproductive health among women of childbearing potential, especially in early-stage cancer settings. The exclusion of pregnant women from trials contributes to limited human data and clinical uncertainties, such as maternal and fetal toxicities related to ICI exposure during pregnancy, as well as the value of fertility preservation before ICI therapy. Uncertainty persists regarding pregnancy post-adjuvant immunotherapy, given the potential detrimental effects of hormonal and immunological changes during pregnancy on melanoma relapse. There is additional uncertainty about whether pregnancy-associated melanoma (PAM) represents a distinct disease entity that warrants tailored management compared to non-pregnant cases. Our review aims to give an overview of oncofertility practices among female melanoma patients after immunotherapy. We also focus on the literature gap in the published evidence and synthesize summaries regarding ICI toxicities on reproductive health and fetal development, pregnancy planning, and recurrence risks after melanoma treatment.
Insights
Immune checkpoint inhibitors (ICI) improve melanoma survival but raise fertility concerns for women. This review addresses reproductive health, fertility preservation, and pregnancy risks after ICI therapy in melanoma patients.
Area of Science:
- Oncology
- Reproductive Medicine
- Immunotherapy
Background:
- Melanoma incidence is rising in young adults, but mortality is decreasing due to immune checkpoint inhibitors (ICI).
- Peri-operative ICI, particularly PD-1 inhibitors, improves relapse-free survival in high-risk melanoma.
- Increased ICI use raises concerns about fertility and reproductive health in women of childbearing potential.
Purpose of the Study:
- To review oncofertility practices in female melanoma patients post-immunotherapy.
- To identify literature gaps regarding ICI's impact on reproductive health and fetal development.
- To synthesize evidence on pregnancy planning and recurrence risks after melanoma treatment.
Main Methods:
- Literature review focusing on oncofertility in melanoma patients treated with ICI.
- Synthesis of data on ICI toxicities, fertility preservation, and pregnancy outcomes.
- Analysis of melanoma recurrence risks in the context of pregnancy and immunotherapy.
Main Results:
- Limited human data exists on maternal and fetal toxicities of ICI during pregnancy.
- Uncertainty surrounds fertility preservation efficacy and pregnancy outcomes post-adjuvant immunotherapy.
- The distinct nature of pregnancy-associated melanoma (PAM) and its management requires further investigation.
Conclusions:
- Further research is needed to address uncertainties regarding ICI's impact on female reproductive health and pregnancy in melanoma survivors.
- Oncofertility counseling and fertility preservation are crucial for women of childbearing potential undergoing ICI therapy.
- Understanding pregnancy-associated melanoma and recurrence risks is vital for optimal patient management.
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