![Scientific and regulatory activities initiated by the U.S. Food and drug administration to foster approvals of generic dry powder inhalers: Bioequivalence perspective - ScienceDirect Scientific and regulatory activities initiated by the U.S. Food and drug administration to foster approvals of generic dry powder inhalers: Bioequivalence perspective - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0169409X22004161-ga1.jpg)
Scientific and regulatory activities initiated by the U.S. Food and drug administration to foster approvals of generic dry powder inhalers: Bioequivalence perspective - ScienceDirect
![These highlights do not include all the information needed to use RELENZA safely and effectively. See full prescribing information for RELENZA. RELENZA (zanamivir) Inhalation Powder, for oral inhalationInitial U.S. Approval: 1999 These highlights do not include all the information needed to use RELENZA safely and effectively. See full prescribing information for RELENZA. RELENZA (zanamivir) Inhalation Powder, for oral inhalationInitial U.S. Approval: 1999](https://dailymed.nlm.nih.gov/dailymed/image.cfm?name=cf6c39b3-3e43-4e4d-bfe0-a0f6df088746-04.jpg&id=15970)
These highlights do not include all the information needed to use RELENZA safely and effectively. See full prescribing information for RELENZA. RELENZA (zanamivir) Inhalation Powder, for oral inhalationInitial U.S. Approval: 1999
![These highlights do not include all the information needed to use RELENZA safely and effectively. See full prescribing information for RELENZA. RELENZA (zanamivir) Inhalation Powder, for oral inhalationInitial U.S. Approval: 1999 These highlights do not include all the information needed to use RELENZA safely and effectively. See full prescribing information for RELENZA. RELENZA (zanamivir) Inhalation Powder, for oral inhalationInitial U.S. Approval: 1999](https://dailymed.nlm.nih.gov/dailymed/image.cfm?name=cf6c39b3-3e43-4e4d-bfe0-a0f6df088746-03.jpg&id=15970)