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Rare Diseases: Considerations for the Development of Drugs and Biological Products

FinalCenter for Drug Evaluation and Research Center for Biologics Evaluation and Research12/26/2023

Description

The Food and Drug Administration (FDA or Agency) is announcing the availability of a final guidance for industry entitled “Rare Diseases: Considerations for the Development of Drugs and Biological Products.”  This guidance is intended to assist sponsors of drugs and biological products for treatment of rare diseases in conducting efficient and successful drug development programs through a discussion of selected issues commonly encountered in rare disease drug development.  This guidance finalizes the draft guidance entitled “Rare Diseases: Common Issues in Drug Development” issued on February 1, 2019.

Scope & Applicability

Product Classes

4
Biological Products

Requires analytical comparability per ICH Q5E

Rare Disease Drug

Products for small populations with high unmet need

Biological Product

Regulated under section 351(i) of the PHS Act; Virus, therapeutic serum, toxin, vaccine, or protein applicable to prevention or treatment; Alternative regulation category for products meeting device definition

Orphan Drug

A drug intended for use in a rare disease or condition

Stakeholders

2
Sponsor

Entity responsible for submitting applications under section 524B

pediatric participants

sponsors should explore early inclusion of pediatric participants; additional safeguards for pediatric participants enrolled in clinical studies

Regulatory Context

Attributes

4
Substantial Evidence

Standard required for drug effectiveness approval

Critical quality attributes

Impurity profile, polymorphism, particle size

Prevalence

Estimated number of people with a disease, used to determine clinical investigation enrollment.

Biomarkers

Sponsors are encouraged to evaluate biomarkers relevant to the disease process

Related CFR Sections (9)

Related Warning Letters (10)

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    2025-09-09
  • Clinical Investigator

    Mark J. Savant, M.D

    2025-07-15
  • Bioresearch Monitoring Program/Institutional Review Board (IRB)

    United Health Products, Inc.

    2025-05-20
  • Clinical Investigator

    Americo F. Padilla, M.D.

    2025-03-25
  • Institutional Review Board (IRB)

    Armstrong County Memorial Hospital

    2024-11-05
  • Clinical Investigator

    Namita A. Goyal, M.D.

    2024-10-22
  • Institutional Review Board (IRB)

    Louisiana State University Health Science Center IRB

    2024-10-08
  • Bioresearch Monitoring Program/IRB

    Massachusetts Institute of Technology MIT

    2024-07-16
  • Institutional Review Board (IRB)

    New York State Psychiatric Institute IRB

    2024-03-26
  • Investigational Device Exemptions (Clinical Investigator)

    Mobeen Mazhar, M.D.

    2023-06-06

See Also (8)