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Interim Policy on Compounding Using Bulk Drug Substances Under Section 503A of the Federal Food, Drug, and Cosmetic Act

FinalCenter for Drug Evaluation and Research01/06/2025
current good manufacturing practice

Description

The Food and Drug Administration (FDA or Agency) is announcing the availability of a final guidance for industry entitled “Interim Policy on Compounding Using Bulk Drug Substances Under Section 503A of the Federal Food, Drug, and Cosmetic Act.”  This guidance describes FDA’s interim policy concerning compounding by human drug product compounders that are not outsourcing facilities using bulk drug substances while FDA develops the list of bulk drug substances that can be used in compounding under the applicable section of the Federal Food, Drug, and Cosmetic Act (FD&C Act).  This guidance finalizes the draft guidance of the same title issued in December 2023 and replaces the final guidance of the same title issued in January 2017.

Key Topics

Terms and concepts identified from this document

Scope & Applicability

Product Classes

2
human drug products

Products compounded by outsourcing facilities within scope

Compounded Drug Product

Drugs produced by state-licensed pharmacies or physicians

Stakeholders

6
licensed pharmacist

Individual compounding human drug products

Original manufacturer

Entity that originally produced the bulk drug substance

licensed physician

Typically submit individual patient expanded access requests; The individual responsible for treating the patient under expanded access.; Healthcare provider seeking information for patients; doctor or clinical staff whom the patient can contact

Advisory committee on compounding

FDA must consult this committee before developing the bulks list

State-licensed pharmacy

Entities compounding drug products under section 503A; Entity compounding drug products

Physician

Allowed value for reporter qualification

Regulatory Context

Regulatory Activities

5
new drug applications

Approval process under section 505

abbreviated new drug applications

Approval process under section 505

Section 505

Approval process for drugs under the FD&C Act

IND

Investigational New Drug submissions

Notice of Proposed Rulemaking

NPRM for placement of substances on the 503A bulks list

Document Types

4
Certificate of analysis

Bulk drug substances must be accompanied by a valid COA

COA

certificates of analysis provided for specific lots

Safety Alert

Public communication describing safety risks for Category 2 substances

Orange Book

Approved Drug Products With Therapeutic Equivalence Evaluations

Attributes

4
503A Category 2

Substances nominated that raise significant safety risks

503A Category 3

Substances nominated without adequate support

Category 1

Category of nominated bulk drug substances

503A Category 1

Substances nominated with sufficient information under evaluation

Technical Details

Substances

3
bulk drug substances

Raw materials used in compounding human drug products

Active pharmaceutical ingredient

Substance intended for incorporation into a finished drug product

Bulk Drug Substance

Ingredients used in compounding drug products; Component used in compounding drug products

Processes

1
Compounding

The act of creating a drug product from bulk drug substances

Identified Hazards

Hazards

2
Significant safety risks

FDA identifies risks relating to the use of certain bulk drug substances

significant safety risk

Criteria for excluding a substance from Category 1

Standards & References

External Standards

6
United States Pharmacopeia

Official compendium for device recognition

National Formulary

Official compendium for drug and device recognition

USP monograph

Official drug substance monograph for compounding eligibility; Applicable quality standard for substances

NF monograph

National Formulary monograph for drug substances; National Formulary quality standard

USP

United States Pharmacopeia standards for compendial drug substances; confirming conformance to the application-approved specification and USP

NF

National Formulary monograph compliance

Related CFR Sections (4)

Enforcement Impact

Deficiencies cited in Warning Letters referencing the same regulations

Unapproved New Drug Products
1
Misbranded Drug Products
1
Failure to meet the conditions of Section 503A
1

Related Warning Letters (1)

See Also (8)

Interim Policy on Compounding Using Bulk Drug Substances Under Section 503A of the Federal Food, Drug, and Cosmetic Act | Guideline Explorer | BioRegHub