Dacarbazine and Trabectedin interaction
Dacarbazine and Trabectedin: the Trabectedin prescribing label flags this combination with the strongest language, such as a contraindication, a boxed warning, or an instruction to avoid it.
Do not combine without a prescriber's guidance. The label language below is the strongest FDA uses.
What the FDA labels say
From the Trabectedin (EVDI) label · effective 2026-06-29
Grade 3 or 4 cardiomyopathy occurred in 15 patients (4%) receiving trabectedin and 2 patients (1.2%) receiving dacarbazine; cardiomyopathy leading to death occurred in 1 patient (0.3%) receiving EVDI and in none of the patients receiving dacarbazine.
Elevations in creatine phosphokinase (CPK) occurred in 122 (32%) of the 378 patients receiving trabectedin, including Grade 3 or 4 CPK elevation in 24 patients (6%), compared to 15 (9%) of the 172 patients receiving dacarbazine with any CPK elevation, including 1 patient (0.6%) with Grade 3 CPK elevation.
In Trial ET743-SAR-3007, cardiomyopathy occurred in 23 patients (6%) receiving trabectedin and in four patients (2.3%) receiving dacarbazine.
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Open in the checkerNot medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.