# Designs for adding a treatment arm to an ongoing clinical trial

> Research article (Trials, 2020) · cited 17× · AI/ML

**Wikidata**: [openalex:W3012172921](https://www.wikidata.org/wiki/openalex:W3012172921)  
**Source**: https://4ort.xyz/entity/designs-for-adding-a-treatment-arm-to-an-ongoing-clinical-trial