Pink Sheet is part of Informa PLC

This site is operated by a business or businesses owned by Informa PLC and all copyright resides with them. Informa PLC’s registered office is 5 Howick Place, London SW1P 1WG. Registered in England and Wales. Number 8860726.

This copy is for your personal, non-commercial use. For high-quality copies or electronic reprints for distribution to colleagues or customers, please call +44 (0) 20 3377 3183

Printed By


Allergan Manufacturing Headaches Continue For Semprana

This article was originally published in The Pink Sheet Daily

Executive Summary

Inhalable acute migraine drug previously known as Levadex receives third “complete response” letter from FDA.

You may also be interested in...

Allergan’s Manufacturing Challenges Produce Second Levadex “Complete Response” Letter

FDA again cites inspection issues related to a third-party facility where the product canister for the migraine drug is manufactured, as well as the manufacturing process itself; Allergan says it recently completed an acquisition of that third-party firm, thereby bringing the inhaled treatment’s manufacturing in-house.

Allergan Buys MAP To Chart Migraine Franchise Growth

Allergan partnered with MAP in 2011 for rights to commercialize Levadex for acute migraine in North America, but now will control 100% of the product’s revenue, creating a complementary product to Botox in chronic migraine. Levadex has an April 15 PDUFA date at FDA.

Pfizer’s Biosimilar Strategy Might Be Working

Pfizer's biosimilar franchise  is well on its way to becoming a blockbuster business three years after the company launched its first US biosimilar.


Related Companies




Ask The Analyst

Please Note: You can also Click below Link for Ask the Analyst
Ask The Analyst

Your question has been successfully sent to the email address below and we will get back as soon as possible. my@email.address.

All fields are required.

Please make sure all fields are completed.

Please make sure you have filled out all fields

Please make sure you have filled out all fields

Please enter a valid e-mail address

Please enter a valid Phone Number

Ask your question to our analysts