Description
This guidanceis intended to assist (1) sponsors who are planning to develop a therapeutic product1 (either a novel product or an existing product with a new indication) for which the use of an in vitro companion diagnostic device (or test) is essential for the therapeutic product’s safe and effective use and (2) sponsors planning to develop an in vitro companion diagnostic device that is intended to be used with a corresponding therapeutic product.
Scope & Applicability
Product Classes
4clinical trial involving a human drug and a companion diagnostic
Includes therapeutic, preventive, and prophylactic drugs and biological products.; codevelopment of an IVD with a therapeutic product; identify a population expected to benefit from the therapeutic product; product used in conjunction with a companion diagnostic; therapeutic product and IVD sponsors may need to submit letters of authorization; coordination of the development programs of the two products; Product corresponding to an IVD companion diagnostic
An in vitro diagnostic device that provides information essential for the safe and effective use of a corresponding therapeutic product.; in vitro diagnostic device intended for use with a therapeutic product
diagnostic device used to make critical treatment decisions in clinical trials
Stakeholders
1Entity responsible for submitting applications under section 524B
Regulatory Context
Attributes
2Cybersecurity is part of device safety and effectiveness
Significant changes to intended use are likely remanufacturing.; The purpose for which the device is used, which must not change.
Identified Hazards
Hazards
1Risks identified by the companion diagnostic.
Related CFR Sections (10)
- 21CFR809.10§ 809.10 Labeling for in vitro diagnostic products.
(a) The label for an in vitro diagnostic product shall state the following information, except where such information is not applicable, or as otherwise specified in a standard for a particular product class or as provided in paragraph (e) of this section. Section 201(k) of the act provides that “a Read full regulation →
- 21CFR3.2§ 3.2 Definitions.
For the purpose of this part:Read full regulation →
- 21CFR3.4§ 3.4 Designated agency component.
(a) To designate the agency component with primary jurisdiction for the premarket review and regulation of a combination product, the agency shall determine the primary mode of action of the product. Where the primary mode of action is that of:Read full regulation →
- 21CFR807.81§ 807.81 When a premarket notification submission is required.
(a) Except as provided in paragraph (b) of this section, each person who is required to register his establishment pursuant to § 807.20 must submit a premarket notification submission to the Food and Drug Administration at least 90 days before he proposes to begin the introduction or delivery for inRead full regulation →
- 21CFR814.39§ 814.39 PMA supplements.
(a) After FDA's approval of a PMA, an applicant shall submit a PMA supplement for review and approval by FDA before making a change affecting the safety or effectiveness of the device for which the applicant has an approved PMA, unless the change is of a type for which FDA, under paragraph (e) of thRead full regulation →
- 21CFR201.100§ 201.100 Prescription drugs for human use.
A drug subject to the requirements of section 503(b)(1) of the act shall be exempt from section 502(f)(1) if all the following conditions are met:Read full regulation →
- 21CFR801.109§ 801.109 Prescription devices.
A device which, because of any potentiality for harmful effect, or the method of its use, or the collateral measures necessary to its use is not safe except under the supervision of a practitioner licensed by law to direct the use of such device, and hence for which “adequate directions for use” canRead full regulation →
- 21CFR201.56§ 201.56 Requirements on content and format of labeling for human prescription drug and biological products.
(a) General requirements. Prescription drug labeling described in § 201.100(d) must meet the following general requirements:Read full regulation →
- 21CFR201.57§ 201.57 Specific requirements on content and format of labeling for human prescription drug and biological products described in § 201.56(b)(1) .
The requirements in this section apply only to prescription drug products described in § 201.56(b)(1) and must be implemented according to the schedule specified in § 201.56(c) , except for the requirement in paragraph (c)(18) of this section to reprint any FDA-approved patient labeling at the end oRead full regulation →
- 21CFR812.3§ 812.3 Definitions.
(a) Act means the Federal Food, Drug, and Cosmetic Act (sections 201-901, 52 Stat. 1040 et seq., as amended ( 21 U.S.C. 301-392 )).Read full regulation →
Related Warning Letters (10)
- 2025-12-23
In Vivo Bioavailability-Bioequivalence Studies – Clinical
Maria A. Carballosa, M.D.
- 2025-12-09
Unapproved New Drug/Unlicensed Biological Product/Biologics License Application (BLA)
Celularity, Inc
- 2025-11-18
Sponsor/Investigator
Verdure Sciences, Inc.
- 2025-09-30
Clinical Investigator (Sponsor)
Pamela K. Den Besten, DDS, MS
- 2025-09-23
Clinical Investigator/Sponsor
Ralph A. DeFronzo, M.D.
- 2025-09-09
Clinical Investigator
Shirish M. Gadgeel, M.D.
- 2025-07-15
Clinical Investigator
Mark J. Savant, M.D
- 2025-07-08
Medical Device Reporting/Misbranded
Insightra Medical Inc.
- 2025-07-01
Clinical Investigator
Peter Michael, M.D.
- 2025-06-10
Clinical Investigator (Sponsor)
American Behavioral Research Institute, LLC
See Also (8)
- Content and Format for Abbreviated 510(k)s for Early Growth Response 1 (EGR1) Gene Fluorescence In-Situ Hybridization (FISH) Test System for Specimen Characterization Devices: Guidance for Industry and Food and Drug Administration Staff (Status: Final)
- Recommendations for Premarket Notifications for Lamotrigine and Zonisamide Assays: Guidance for Industry and Food and Drug Administration Staff (Status: Final)
- Blood Glucose Monitoring Test Systems for Prescription Point-of-Care Use: Guidance for Industry and Food and Drug Administration Staff (Status: Final)
- Refuse to Accept Policy for 510(k)s: Guidance for Industry and Food and Drug Administration Staff (Status: Final)
- Certain Ophthalmic Products: Policy Regarding Compliance With 21 CFR Part 4 Guidance for Industry: Guidance for Industry (Status: Final)
- Submission and Resolution of Formal Disputes Regarding the Timeliness of Premarket Review of a Combination Product: Guidance for Industry and FDA Staff (Status: Final)
- Early Development Considerations for Innovative Combination Products: Guidance for Industry and FDA Staff (Status: Final)
- Cellular Therapy for Cardiac Disease: Guidance for Industry (Status: Final)