Daily close, T-120 (9/9/25) through T+5. Run-up high $30.81 on 9/9/25, low $23.14 on 10/22/25 (T-120 to T-1). FDA decision 2/24/26. Historical price action, not a forecast.
Drug / candidateIpratropium Bromide HFA Inhalation Aerosol 1
CompanyAmphastar Pharmaceuticals Inc.
120-day run-up (T-120→T-1)-10.6%
Every FDA approval letter and released Complete Response Letter we hold, by FDA action date: FDA approval letters.
Questions
Was Ipratropium Bromide HFA Inhalation Aerosol approved by the FDA?
Yes. The approval of the application for Ipratropium Bromide HFA Inhalation Aerosol was announced on February 24, 2026; pdufa.bio holds no FDA record stating the exact day the FDA acted. The primary source is linked on this page.
Which company is behind Ipratropium Bromide HFA Inhalation Aerosol?
Ipratropium Bromide HFA Inhalation Aerosol is an Amphastar Pharmaceuticals Inc. (AMPH) program. The company announced the FDA decision on February 24, 2026; the primary source is linked on this page.
How did AMPH stock trade into the FDA decision?
Measured over the 120 trading days before the decision (T-120 to T-1), AMPH moved -10.6%. That is the recorded price path into this specific event. Historical measurement, not a prediction, and not investment advice.
Not affiliated with or endorsed by the FDA. pdufa.bio is an independent publication with no affiliation with, endorsement by, sponsorship by, or connection to the U.S. Food and Drug Administration or any other government agency. “FDA”, “PDUFA” and all company, drug and ticker names are used descriptively and remain the property of their respective owners.
Informational and educational purposes only. Not investment advice. Nothing on this page is investment, legal, tax or medical advice, or an offer or solicitation to buy or sell any security. pdufa.bio is not a registered investment adviser or broker-dealer and does not recommend trades or publish individual-drug approval probabilities. Verify every date and outcome against primary FDA, SEC or company filings. Data is provided as is, without warranty of any kind, and past behaviour does not predict future outcomes.