Source-checked FDA process guide
NDA vs FDA Approval: What Each Milestone Means
A New Drug Application asks FDA to review a drug for possible approval. Submission, filing, and review are milestones in that process; none of them means the product has been approved.
An NDA starts a decision process
A New Drug Application is the sponsor's formal request for FDA to consider approving a new drug for U.S. marketing. It gives FDA the evidence and product information needed to evaluate the proposed use.
The application is not the decision. Saying that an NDA was submitted describes a request made by the sponsor, not an FDA approval.
Submitted, filed, under review, and approved mean different things
After FDA receives an NDA, the agency has 60 days to decide whether to file the application for review. Filing means the application can move into full review. It still does not mean FDA has approved the drug.
A filing decision is an application-completeness step. It does not mean FDA agrees with the sponsor's evidence or proposed labeling. The review team still evaluates the evidence, proposed labeling, and manufacturing controls before the agency acts.
During review, FDA evaluates the application. The process ends with an agency action, which may be an approval or a complete response letter when the application is not ready for approval.
FDA reviews more than clinical results
FDA describes an NDA as a record of the drug's evidence and product information. Review covers evidence for the proposed use, proposed labeling, and the controls used to manufacture the product.
A positive trial headline addresses only part of that record. It does not by itself establish that an NDA was submitted, filed, or approved.
Verify the final status in FDA records
An NDA number identifies an application, but the number alone does not state the current review outcome. Product status should be confirmed with an FDA approval record or approval letter.
Drugs@FDA provides information about approved products and can include labels, approval letters, and review materials. The separate GLP-1 approval-check guide explains how to keep product identity, dosage form, and approved use aligned during that lookup.
Keep process terms separate from product-specific claims
A general FDA-process page cannot establish whether a particular GLP-1 candidate has submitted an application or received a decision. Those are current, product-specific claims that require current product-specific evidence.
For that reason, this page does not state or predict a retatrutide NDA date or approval date. The named-reviewed retatrutide FDA status page remains the source for that separate intent.
FDA application milestones in plain language
| Term | What it means | What it does not mean |
|---|---|---|
| NDA submitted | A sponsor has asked FDA to consider approval. | The product is approved. |
| NDA filed | FDA has accepted the application for full review. | The review outcome is known. |
| Under review | FDA is evaluating the application and supporting information. | Approval is guaranteed or a date can be predicted. |
| Approved | FDA has issued an approval action for the application. | Every similar GLP-1 product shares that approval |
| Product-specific status | Use the dedicated retatrutide FDA status guide for retatrutide | A general process explanation answers the product-specific question. |
NDA vs FDA Approval: What Each Milestone Means questions
Does an NDA submission mean a drug is FDA-approved?
No. An NDA submission asks FDA to consider approval. FDA still decides whether to file the application, reviews it, and then takes action.
Does FDA filing mean approval?
No. Filing means FDA has accepted the application for review. Approval is a later and separate agency action.
Where can I verify an FDA approval?
Drugs@FDA provides approved-product information and may include approval letters, labels, and review materials. Match the exact product and application rather than relying on an NDA number alone.
NDA vs FDA Approval: What Each Milestone Means sources
- New Drug Application (NDA), U.S. Food and Drug Administration. Accessed 2026-09-06.
- FDA's drug review process, U.S. Food and Drug Administration. Accessed 2026-09-06.
- Types of drug applications, U.S. Food and Drug Administration. Accessed 2026-09-06.
- About Drugs@FDA, U.S. Food and Drug Administration. Accessed 2026-09-06.
- How to find out if a drug is approved, U.S. Food and Drug Administration. Accessed 2026-09-06.