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New drug approvals, regulatory agencies like the U.S. FDA categorize applications

When it comes to new drug approvals, regulatory agencies like the U.S. FDA categorize applications into different types based on the nature of the drug, its intended use, and prior approvals....

Table of Contents

1. New Drug Application (NDA)

  • Used for brand-new drugs that have not been previously approved.
  • Requires clinical trial data demonstrating safety and efficacy.
  • Can be classified as:
  • 505(b)(1) NDA – For completely new drug entities.
  • 505(b)(2) NDA – For drugs that rely on some existing data (e.g., reformulations, new dosages).

        New Drug Application (NDA)

2. Abbreviated New Drug Application (ANDA)

  • Used for generic drugs that are bioequivalent to already approved brand-name drugs.
  • Does not require new clinical trials, just proof of bioequivalence.
  • Approved under the Hatch-Waxman Act.

        Abbreviated New Drug Application (ANDA)

3. Biologics License Application (BLA)

  • For biological products like vaccines, monoclonal antibodies, and gene therapies.
  • Evaluated by the FDA’s Center for Biologics Evaluation and Research (CBER).

        Therapeutic Biologics Applications (BLA)

4. Investigational New Drug (IND) Application

  • Required before clinical trials can begin.
  • Allows testing of experimental drugs on humans.
  • Types:
  • Commercial IND – For companies developing new drugs.
  • Research IND – For academic or non-commercial research

         Investigational New Drug (IND) Application

 

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5. Over-the-Counter (OTC) Drug Application

  • Used to switch prescription drugs to OTC status.
  • Requires proof of safety for self-administration without a doctor’s supervision.

         Drug Applications for Over-the-Counter (OTC) Drugs

6. Supplemental New Drug Application (sNDA)

  • Submitted for modifications to an already approved drug.
  • Changes may include new indications, new dosage forms, labeling updates, etc.

7. Emergency Use Authorization (EUA)

  • Allows temporary approval of drugs or vaccines during public health emergencies (e.g., COVID-19 vaccines).
  • Requires less extensive data than a full NDA or BLA.

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