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Approved Risk Evaluation and Mitigation Strategies (REMS)

Lynozyfic (linvoseltamab-gcpt)
BLA #761400
REMS last update: 07/14/2025



What is the purpose of the REMS?

The goal of the LYNOZYFIC REMS is to mitigate the risks of Cytokine Release Syndrome (CRS) and neurologic toxicity, including Immune Effector Cell-Associated Neurotoxicity Syndrome (ICANS) by:
  1. Ensuring prescribers are aware of the importance of monitoring for signs and symptoms of CRS and neurologic toxicity, including ICANS in patients exposed to LYNOZYFIC

What do participants need to know?

Below is a general overview of the REMS for all REMS participants (e.g., patients, pharmacies, and healthcare providers). See the application holder(s) REMS Website or the approved REMS materials for more information.

View application holder(s) REMS Website See Disclaimer page regarding links to external sites

Healthcare providers who prescribe LYNOZYFIC must:

To become certified to prescribe
  • Review the drug’s Prescribing Information.
  • Review the Prescriber Training Program and Adverse Reaction Management Guide.
  • Successfully complete the Knowledge Assessment and submit it to the REMS.
  • Enroll in the REMS by completing and submitting the Prescriber Enrollment Form to the REMS.
Before treatment initiation (first step-up dose)
  • Counsel the patient on:
    a. how to recognize and respond to signs and symptoms of CRS and neurologic toxicity, including ICANS,
    b. the need to report all symptoms suggestive of CRS and neurologic toxicity, including ICANS to their healthcare provider or emergency room provider immediately,
    c. the need to carry the Patient Wallet Card at all times.
  • Complete the Patient Wallet Card and provide the Patient Wallet Card to the patient.
At all times
  • Report serious adverse events of CRS and neurologic toxicity, including ICANS to the REMS.

Patients who are prescribed LYNOZYFIC:

Before treatment initiation
  • Receive counseling from the prescriber using the Patient Wallet Card.
At all times
  • Have the Patient Wallet Card with you and inform other healthcare providers about treatment with LYNOZYFIC.

Pharmacies and healthcare settings that dispense LYNOZYFIC must:

To become certified to dispense
  • Designate an Authorized Representative to carry out the certification process and oversee implementation and compliance with the REMS requirements on behalf of the pharmacy and/or healthcare setting.
  • Have the Authorized Representative review the Pharmacy and Healthcare Setting Training Program.
  • Have the Authorized Representative enroll in the REMS by completing and submitting the Pharmacy and Healthcare Setting Enrollment Form to the REMS.
  • Train all relevant staff involved in dispensing LYNOZYFIC on the REMS requirements using the Pharmacy and Healthcare Setting Training Program.
  • Establish processes and procedures to verify the prescriber is certified for all dispenses after the first prescription.
Before dispensing, first prescription
  • Obtain authorization to dispense by contacting the REMS to verify the prescriber is certified.
Before dispensing, all subsequent prescriptions
  • Verify the prescriber is certified through the processes and procedures established as a requirement of the REMS.
To maintain certification to dispense
  • Have a new Authorized Representative enroll in the REMS by completing and submitting the Pharmacy and Healthcare Setting Enrollment Form to the REMS if the Authorized Representative changes.
At all times
  • Report serious adverse events of CRS and neurologic toxicity, including ICANS to the REMS.
  • Not distribute, transfer, loan or sell LYNOZYFIC except to certified pharmacies and healthcare settings.
  • Maintain records of staff training.
  • Maintain records that processes and procedures are in place and are being followed.
  • Maintain records of all LYNOZYFIC dispenses and provide data to the REMS, as requested.
  • Comply with audits carried out by Regeneron Pharmaceuticals, Inc. or a third party acting on behalf of Regeneron Pharmaceuticals, Inc. to ensure that all processes and procedures are in place and are being followed.

Wholesalers-Distributors that distribute LYNOZYFIC must:

To be able to distribute
  • Establish processes and procedures to ensure that LYNOZYFIC is distributed only to certified pharmacies and healthcare settings.
  • Train all relevant staff involved in distribution on the REMS requirements.
At all times
  • Distribute only to certified pharmacies and healthcare settings.
  • Maintain records that all processes and procedures are in place and are being followed.
  • Maintain and submit records of drug distribution to the REMS at least on a weekly basis.
  • Comply with audits carried out by Regeneron Pharmaceuticals, Inc. or a third party acting on behalf of Regeneron Pharmaceuticals, Inc. to ensure that all processes and procedures are in place and are being followed.

What materials are included in the REMS?

The REMS includes a REMS Document. In addition, the REMS includes the following materials intended for patients and healthcare providers. For a specific Medication Guide of a product in the Lynozyfic REMS, see the DailyMed link(s).
Material Name Material Name Link
Adverse Reaction Mangement Guide (PDF) https://www.accessdata.fda.gov/drugsatfda_docs/rems/Lynozyfic_2025_07_14_Adverse_Reaction_Mangement_Guide.pdf
Healthcare Provider REMS Letter (PDF) https://www.accessdata.fda.gov/drugsatfda_docs/rems/Lynozyfic_2025_07_14_Healthcare_Provider_REMS_Letter.pdf
Knowledge Assessment (PDF) https://www.accessdata.fda.gov/drugsatfda_docs/rems/Lynozyfic_2025_07_14_Knowledge_Assessment.pdf
Patient Wallet Card (PDF) https://www.accessdata.fda.gov/drugsatfda_docs/rems/Lynozyfic_2025_07_14_Patient_Wallet_Card.pdf
Pharmacy and Healthcare Setting Enrollment Form (PDF) https://www.accessdata.fda.gov/drugsatfda_docs/rems/Lynozyfic_2025_07_14_Pharmacy_and_Healthcare_Setting_Enrollment_Form.pdf
Pharmacy and Healthcare Setting Training Program (PDF) https://www.accessdata.fda.gov/drugsatfda_docs/rems/Lynozyfic_2025_07_14_Pharmacy_and_Healthcare_Setting_Training_Program.pdf
Prescriber Enrollment Form (PDF) https://www.accessdata.fda.gov/drugsatfda_docs/rems/Lynozyfic_2025_07_14_Prescriber_Enrollment_Form.pdf
Prescriber Training Program (PDF) https://www.accessdata.fda.gov/drugsatfda_docs/rems/Lynozyfic_2025_07_14_Prescriber_Training_Program.pdf
Professional Society REMS Letter (PDF) https://www.accessdata.fda.gov/drugsatfda_docs/rems/Lynozyfic_2025_07_14_Professional_Society_REMS_Letter.pdf
REMS Document (PDF) https://www.accessdata.fda.gov/drugsatfda_docs/rems/Lynozyfic_2025_07_14_REMS_Document.pdf
REMS Fact Sheet (PDF) https://www.accessdata.fda.gov/drugsatfda_docs/rems/Lynozyfic_2025_07_14_REMS_Fact_Sheet.pdf
REMS Full (PDF) https://www.accessdata.fda.gov/drugsatfda_docs/rems/Lynozyfic_2025_07_14_REMS_Full.pdf
REMS Website (PDF) https://www.accessdata.fda.gov/drugsatfda_docs/rems/Lynozyfic_2025_07_14_REMS_Website.pdf
Assessment Plan
Lynozyfic REMS Assessment Plan

This webpage provides REMS assessment plan measures, metrics, and indicators for drug and biological products with a REMS. The REMS assessment plan measures, metrics, and indicators are part of the overall REMS assessment plan used by FDA to evaluate the performance of a REMS and are included in FDA approval letters. The current REMS assessment plan measures, metrics, and indicators are extracted from regulatory letters that contain REMS information, including FDA approval letters, and posted here as they become available.

What updates have been made to the REMS?

Date Summary of change
07/14/2025 Revised to make editorial changes
07/02/2025 Approval of the REMS.

Disclaimer: This webpage provides general information about REMS programs to various REMS participants (e.g., patients, pharmacies, and healthcare providers). The summary information provided herein is not comprehensive and may not include all of the information relevant to REMS participants. This webpage does not constitute a replacement, modification, or revision of the approved REMS document, including any appended REMS materials. Refer to the approved REMS document for complete information on the REMS requirements for each approved application.

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