Primatene Mist CRL Underscores Challenges For OTC Asthma Treatments
Executive Summary
Second FDA complete response letter for a reformulated Primatene Mist likely pushes back by another 18 months Amphastar's potential relaunch of the OTC product after satisfying the US agency's concerns about consumers correcting using the product without a doctor’s intervention.
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Amphastar has initial inventory on hand of epinephrine inhalation aerosol reformulated with hydrofluoroalkane as a propellant, and expects "almost no costs" for sales of first several hundred thousand units. After two NDAs and two CRLs, firm convinces US FDA consumers can use the product without doctor or pharmacist guidance and understand it is not for ongoing asthma treatment.
OTC Primatene Mist Returns: Market Future Bright After Cloudy NDA History
Amphastar has initial inventory on hand of epinephrine inhalation aerosol reformulated with hydrofluoroalkane as a propellant, and expects "almost no costs" for sales of first several hundred thousand units. After two NDAs and two CRLs, firm convinces US FDA consumers can use the product without doctor or pharmacist guidance and understand it is not for ongoing asthma treatment.
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