FDA Warning Letter Explorer
Drugs · Sep 9, 2025

Aytu Biopharma

2 extracted findings · 2 model-assigned issue types

FDA source excerpt, selected passage

The sponsored links are misleading because they include representations about the efficacy of Adzenys XR-ODT but fail to communicate any risk information.

Findings and supporting evidence

Model-assisted readings, not an exhaustive interpretation. Compare with the extracted source findings below.

Labeling, claims & marketing21 CFR 201.10(g)(1)

Sponsored links include efficacy claims but omit any risk information, creating a misleading impression about safety.

Supporting FDA text
Source excerpt · automated text-match check

The sponsored links are misleading because they include representations about the efficacy of Adzenys XR-ODT but fail to communicate any risk information.

Labeling, claims & marketing21 CFR 201.10(g)(1)

Sponsored links fail to present the established name in direct conjunction with the proprietary name.

Supporting FDA text
Source excerpt · automated text-match check

The sponsored links fail to present the established name for Adzenys XR-ODT, thereby misbranding the product.

Registration, listing & premarket21 CFR 314.81(b)(3)(i)

Sponsored links were not submitted to FDA under Form FDA-2253 at the time of initial publication.

Supporting FDA text
Source excerpt · automated text-match check

A copy of the sponsored links was not submitted to FDA under cover of Form FDA-2253 at the time of initial publication as required by 21 CFR 314.81(b)(3)(i).

Findings extracted from the letter

Selected FDA passages, not the complete letter.

01
Failure to Use Required Established Name
02
Failure to Submit Under Form FDA-2253

What FDA requested

Model-assisted summary. Consult the letter for complete requests and conditions.

  • List all other promotional communications (with the 2253 submission date) for Adzenys XR-ODT that contain representations such as those described above
  • Explain your plan for discontinuation of such communications, or for ceasing distribution of Adzenys XR-ODT
  • Include a comprehensive plan of action to disseminate truthful, non-misleading, and complete corrective communication(s) about the concern(s) discussed in this letter

Sections and clauses cited

As cited in this historical letter, not a statement of current regulatory requirements.

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