Assyro AI
US FDAUnited StatesALApproval Letter

Approval Letter Other 215151 (Jan 1, 2024)

Issued January 1, 2024

Issued

January 1, 2024

Application

Other • 215151

Review center

Other

Stage

Final Decision

Letter type

Approval Letter

Response due December 31, 2024Product may be marketed.

Summary

This document is an 'Other Action Letter' from the FDA to an applicant regarding New Drug Application (NDA) 215151. It outlines deficiencies and required actions for the applicant to address within one year to move the application towards approval. Key areas of focus include labeling updates, proprietary name resubmission, and a comprehensive safety update.

Key points

  • Submit draft carton and container labeling based on FDA's proposed revisions dated November 22, 2022.
  • Resubmit the proposed proprietary name, Voquezna, when responding to application deficiencies.
  • Include a safety update as described at 21 CFR 314.50(d)(5)(vi)(b) when responding to deficiencies.
  • Describe in detail any significant changes or findings in the safety profile within the safety update.
  • Incorporate new safety data into sections describing discontinuations due to adverse events, serious adverse events, and common adverse events.
  • Present new safety data from studies/clinical trials for the proposed indication using the same format as in the original submission.
  • Present tabulations of the new safety data combined with the original application data.
  • Include tables that compare frequencies of adverse events in the original application with the retabulated frequencies.

Cited reasons

  • Carton and Container Labeling Revisions
  • Proprietary Name Resubmission
  • Comprehensive Safety Update
  • Detailed Description of Safety Profile Changes
  • Incorporation of New Safety Data into AE/SAE Sections
  • Separate AE Tables for Other Indications
  • Retabulation of Premature Trial Discontinuation Reasons
  • Case Report Forms and Narrative Summaries for Deaths/SAEs

Recommended actions

  • Submit draft carton and container labeling based on FDA's proposed revisions dated November 22, 2022.
  • Resubmit the proposed proprietary name, Voquezna, when responding to application deficiencies.
  • Include a safety update as described at 21 CFR 314.50(d)(5)(vi)(b) when responding to deficiencies.
  • Describe in detail any significant changes or findings in the safety profile within the safety update.
  • Incorporate new safety data into sections describing discontinuations due to adverse events, serious adverse events, and common adverse events.
  • Present new safety data from studies/clinical trials for the proposed indication using the same format as in the original submission.
  • Present tabulations of the new safety data combined with the original application data.
  • Include tables that compare frequencies of adverse events in the original application with the retabulated frequencies.

Deficiency summary

The application received a Complete Response Letter due to significant deficiencies primarily related to the completeness and presentation of safety data, including the need for a comprehensive safety update, detailed adverse event reporting, and updated exposure information. Additionally, revisions to carton and container labeling and resubmission of the proprietary name are required.

Findings

Carton and Container Labeling Revisions

Severity: major

Submit draft carton and container labeling based on FDA's proposed revisions dated November 22, 2022.

Recommended response: Revise carton and container labeling according to FDA's proposed revisions from November 22, 2022.

Proprietary Name Resubmission

Severity: minor

Resubmit the proposed proprietary name, Voquezna, when responding to application deficiencies. The name was previously found acceptable pending approval.

Recommended response: Include the proprietary name resubmission with the complete response to all deficiencies.

Comprehensive Safety Update

Severity: major

Include a safety update as described at 21 CFR 314.50(d)(5)(vi)(b), incorporating data from all nonclinical and clinical studies regardless of indication, dosage form, or dose level.

Recommended response: Prepare a comprehensive safety update adhering to 21 CFR 314.50(d)(5)(vi)(b), integrating all relevant nonclinical and clinical data.

Cited: 21 CFR 314.50(d)(5)(vi)(b)

Detailed Description of Safety Profile Changes

Severity: major

Describe in detail any significant changes or findings in the safety profile.

Recommended response: Analyze and document all significant changes or new findings in the safety profile, providing detailed descriptions.

Cited: 21 CFR 314.50(d)(5)(vi)(b)

Incorporation of New Safety Data into AE/SAE Sections

Severity: major

Incorporate new safety data into sections describing discontinuations due to adverse events, serious adverse events, and common adverse events. Present new data in the same format as original submission, tabulate new data combined with original, and compare frequencies.

Recommended response: Integrate new safety data into AE/SAE sections, ensuring consistent formatting, combined tabulations, and comparative frequency tables.

Cited: 21 CFR 314.50(d)(5)(vi)(b)

Separate AE Tables for Other Indications

Severity: major

For indications other than the proposed indication, provide separate tables for the frequencies of adverse events occurring in clinical trials.

Recommended response: Generate separate adverse event frequency tables for clinical trials related to indications other than the proposed one.

Cited: 21 CFR 314.50(d)(5)(vi)(b)

Retabulation of Premature Trial Discontinuation Reasons

Severity: major

Present a retabulation of the reasons for premature trial discontinuation by incorporating drop-outs from newly completed trials. Describe any new trends or patterns identified.

Recommended response: Update and retabulate reasons for premature trial discontinuations, including new trial data, and identify any emerging trends.

Cited: 21 CFR 314.50(d)(5)(vi)(b)

Case Report Forms and Narrative Summaries for Deaths/SAEs

Severity: critical

Provide case report forms and narrative summaries for each subject who died during a clinical trial or did not complete a trial because of an adverse event. In addition, provide narrative summaries for serious adverse events.

Recommended response: Compile and submit all required case report forms and narrative summaries for deaths and serious adverse events.

Cited: 21 CFR 314.50(d)(5)(vi)(b)

Information on Substantial Change in Common AEs

Severity: major

Describe any information that suggests a substantial change in the incidence of common, but less serious, adverse events between the new data and the original application data.

Recommended response: Analyze and report any substantial changes in the incidence of common adverse events comparing new and original data.

Cited: 21 CFR 314.50(d)(5)(vi)(b)

Updated Clinical Exposure Information

Severity: major

Provide updated exposure information for the clinical studies/trials (e.g., number of subjects, person time).

Recommended response: Submit updated clinical exposure data, including subject numbers and person-time, for all relevant studies.

Cited: 21 CFR 314.50(d)(5)(vi)(b)

Summary of Worldwide Safety Experience

Severity: major

Provide a summary of worldwide experience on the safety of this drug, including an updated estimate of use for drug marketed in other countries.

Recommended response: Compile and submit a comprehensive summary of worldwide safety experience, including updated usage estimates from other markets.

Cited: 21 CFR 314.50(d)(5)(vi)(b)

English Translations of Approved Foreign Labeling

Severity: major

Provide English translations of current approved foreign labeling not previously submitted.

Recommended response: Submit English translations for all current approved foreign labeling that has not yet been provided.

Regulatory context

Submission stage
final decision
Regulatory pathway
NDA

Impact

Impact score
0.95
Estimated delay
240 days
Estimated rework cost
$0
Subsequent action
resubmission

Strategic insights

The primary themes of the deficiencies are the need for a comprehensive and updated safety data package, including detailed adverse event reporting and worldwide experience, alongside necessary revisions to product labeling and proprietary name resubmission.

Regulatory change impact: Pending sponsor mitigation plan

Approval likelihood after response: 5%

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