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Post-approval, manufacturers may modify an approved new or generic drug product. Such modifications can encompass alterations in the Active Pharmaceutical Ingredient (API), manufacturing process, formulation, batch size, manufacturing site, and container closure system (FDA Guidance for Industry, April 2004). Often, a drug product may undergo multiple changes.These modifications require careful evaluation to determine their potential impact on the drug product's identity, strength, quality,...
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Neratinib: First Global Approval.

Emma D Deeks1

  • 1Springer, Private Bag 65901, Mairangi Bay, 0754, Auckland, New Zealand. dru@adis.com.

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Neratinib is an irreversible HER1/HER2/HER4 inhibitor approved for extended adjuvant treatment of HER2-positive early-stage breast cancer. Its development milestones are summarized, highlighting its journey to this significant breast cancer therapy approval.

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Area of Science:

  • Pharmacology
  • Oncology
  • Drug Development

Background:

  • Neratinib is an oral, irreversible tyrosine kinase inhibitor targeting human epidermal growth factor receptors (EGFR, HER2, HER4).
  • It was initially researched by Wyeth (now Pfizer) and is currently developed by Puma Biotechnology.
  • The drug is primarily investigated for HER2-positive breast cancer treatment.

Purpose of the Study:

  • To summarize the key milestones in the development of neratinib.
  • To document the drug's progression leading to its initial breast cancer approval.

Main Methods:

  • Review of historical research and development data for neratinib.
  • Analysis of clinical trial phases and regulatory submissions.
  • Summary of therapeutic indications and ongoing investigations.

Main Results:

  • Neratinib received US approval for extended adjuvant treatment in HER2-positive early-stage breast cancer patients post-trastuzumab therapy.
  • The drug is under preregistration in the EU for the same indication.
  • Neratinib is in Phase 3 trials for metastatic breast cancer and Phase 1/2 for other solid tumors.

Conclusions:

  • Neratinib represents a significant advancement in the treatment of HER2-positive breast cancer.
  • The drug's development pathway illustrates a successful progression from research to regulatory approval.
  • Ongoing research explores neratinib's efficacy in various advanced cancers.