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XIPERE — FDA Complete Response Letter (NDA 211950)

Issued to Clearside Biomedical, Inc.. Application reviewed but not approved; deficiencies must be corrected.

Application

NDA 505b1 • 211950

Product

XIPERE

Company

Clearside Biomedical, Inc.

Review center

Other

Stage

Final Decision

Response due

January 1, 2023

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What did FDA decide for XIPERE?

Source facts and Assyro context are separated so you can scan the action quickly without treating analysis as an FDA conclusion.

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Source facts

FDA's complete response letter contains source-text evidence related to Chemistry, manufacturing, and controls, Facility inspection and CGMP compliance, Clinical efficacy and substantial evidence, Safety and adverse events. Theme counts identify where the letter discusses a topic; they do not replace review of the exact redacted letter.

Key details in this letter

  • 1Chemistry, manufacturing, and controls: 3 source-text matches.
  • 2Facility inspection and CGMP compliance: 2 source-text matches.
  • 3Clinical efficacy and substantial evidence: 1 source-text match.
  • 4Safety and adverse events: 1 source-text match.
Chemistry, manufacturing, and controlsFacility inspection and CGMP complianceClinical efficacy and substantial evidenceSafety and adverse eventsLabeling, packaging, and proprietary name

Suggested next step

Review the exact redacted FDA letter and address each stated deficiency before resubmission.

Open the document workspace

Built from structured FDA metadata and deterministic source-text signals. Topic matches are navigation aids, not legal or regulatory conclusions. Verify material decisions against the original FDA document.

FDAPDFUpdated Jul 30, 2026

FDA source document

Read the full FDA complete response letter (PDF)

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Common questions about the XIPERE complete response letter

What does this complete response letter mean for XIPERE?

Application reviewed but not approved; deficiencies must be corrected. Requires resubmission addressing deficiencies. FDA issued this letter to Clearside Biomedical, Inc. on October 18, 2019.

What is NDA 211950?

NDA 211950 is the application under which FDA issued this complete response letter for XIPERE to Clearside Biomedical, Inc.. It was reviewed by FDA Other. The letter is dated October 18, 2019.

What happens after an FDA complete response letter?

FDA will not approve the application in its present form. The sponsor can resubmit after addressing every deficiency listed in the letter — which starts a Class 1 (two-month) or Class 2 (six-month) resubmission review clock — withdraw the application, or request an opportunity for a hearing.