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# Guide on Therapeutic Protein Drug-Drug Interactions
- URL: https://www.fdaweb.com/guide-on-therapeutic-protein-drug-drug-interactions/
- Published: 2020-08-10T12:00:00.000Z
- Updated: 2026-09-14T16:24:21.000Z
- Author: David McFarland
- Tags: FDA Policy/General, #legacy-id-D5147391

*Federal Register* notice: FDA has made available a draft guidance entitled “Drug-Drug Interaction Assessment for Therapeutic Proteins.” The document is intended to provide a systematic, risk-based approach to help sponsors determine the need for drug-drug interaction studies for a therapeutic protein. To view the notice, click [here](https://www.govinfo.gov/content/pkg/FR-2020-08-10/pdf/2020-17412.pdf?ref=fdaweb.com).