# Studying Multiple Versions of a Cellular or Gene Therapy Product in an Early-Phase Clinical Trial:  Guidance for Industry - FDA Guidance Document

Source: https://www.globalkeysolutions.net/guidances/guidance-document/studying-multiple-versions-of-a-cellular-or-gene-therapy-product-in-an-early-phase-clinical-trial-guidance-for-industry/8b768a82-5ebf-4899-ad60-25692f1674d9

> FDA guidance document: Studying Multiple Versions of a Cellular or Gene Therapy Product in an Early-Phase Clinical Trial:  Guidance for Industry. Issue date: November 04, 2022. Get complete insights and analysis.

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## Details

- Title: Studying Multiple Versions of a Cellular or Gene Therapy Product in an Early-Phase Clinical Trial:  Guidance for Industry
- Communication Type: Guidance Document
- Product Type: biologics
- Office Name: Center for Biologics Evaluation and Research
- Office URL: /offices/center-for-biologics-evaluation-and-research/dd9e8ea7-6f04-4ed1-b0d7-e7e6b264570d
- Issue Date: 2022-11-04
- Last Changed: 2022-11-18
- Docket Number: <a href="https://www.regulations.gov/docket/FDA-2021-D-0776">FDA-2021-D-0776</a>

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