Answer
Cabotegravir (Vocabria) did not change ethinyl estradiol or levonorgestrel plasma concentrations to a clinically relevant extent, so no oral contraceptive dose adjustment is necessary when co-administered.
Sources for this answer
- Vocabria 600 mg prolonged-release suspension for injectionViiV Healthcare UK Ltd · emc · SmPC §4.5 Interaction with other medicinal products · Version 10Document updated
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