---
kind: "unit"
title: "21"
title_heading: "Food and Drugs"
key: "chI/subchA/part50"
level: "part"
label: "Part 50"
heading: "Protection of Human Subjects"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/21/chI-subchA-part50"
sections_count: 15
---

# Part 50 — Protection of Human Subjects

Title 21 C.F.R. — Food and Drugs › Chapter I — Food and Drug Administration, Department of Health and Human Services › Subchapter A — General

## Contents

- [Subpart A — General Provisions](/cfr/21/chI-subchA-part50-subpartA.md)
- [Subpart B — Informed Consent of Human Subjects](/cfr/21/chI-subchA-part50-subpartB.md)
- [Subpart C — Subpart C [Reserved]](/cfr/21/chI-subchA-part50-subpartC.md)
- [Subpart D — Additional Safeguards for Children in Clinical Investigations](/cfr/21/chI-subchA-part50-subpartD.md)