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- Title
The role of dacarbazine and temozolomide therapy after treatment with immune checkpoint inhibitors in malignant melanoma patients: A case series and meta‐analysis.
- Authors
Rydén, Viktoria; El‐Naggar, Ali Inan; Koliadi, Anthoula; Ladjevardi, Cecilia Olsson; Digkas, Evangelos; Valachis, Antonios; Ullenhag, Gustav J.
- Abstract
Dacarbazine (DTIC) and its oral counterpart temozolomide (TMZ) have been the most used agents in advanced malignant melanoma (MM) patients and they are still used routinely. The preferred first line treatment, immune checkpoint inhibitors (CPIs) might shape the tumor and the tumor microenvironment, possibly affecting the response to subsequent therapies. The aim of this study was to investigate the treatment effect of DTIC/TMZ in MM patients after CPI therapy in a consecutive patient cohort and through systematic literature review and meta‐analysis. Thirty‐five patients with advanced MM treated with DTIC/TMZ after previous CPI therapy in three Swedish regions between 2017 and 2021 were recognized and seven case series studies were identified through systematic database review. Pooled data from all 345 patients showed a median real‐world progression‐free survival (rwPFS) of 1.9 months and overall survival (OS) of 6.0 months. Three of these studies were included in a meta‐analysis comparing DTIC/TMZ after CPI treatment, versus no previous immunotherapy, showing no statistically significant differences in rwPFS or OS but higher real‐world response rate to chemotherapy for the prior‐CPI treated group (Odds Ratio: 2.24; 95% Confidence Interval: 1.04–4.86). The current study supports consideration of DTIC/TMZ in later line of treatment in the immunotherapy era.
- Subjects
IMMUNE checkpoint inhibitors; MELANOMA; TEMOZOLOMIDE; DACARBAZINE; PROGRESSION-free survival; OVERALL survival
- Publication
Pigment Cell & Melanoma Research, 2024, Vol 37, Issue 3, p352
- ISSN
1755-1471
- Publication type
Article
- DOI
10.1111/pcmr.13156