Esteve to acquire TerSera therapeutics business unit

19 January 2026

Spanish privately-held pharma company entered into an agreement to acquire USA-based TerSera's Infusion Specialty Therapies Business Unit (IST). This strategic acquisition enables Esteve to expand its US presence, with two highly specialized on-market assets and a dedicated team of sales, marketing and medical professionals.

TerSera's IST business unit includes two specialty medications, Prialt (ziconotide intrathecal infusion) and Quzyttir (cetirizine hydrochloride injection). Prialt is the only Food and Drug Administration (FDA)-approved, non-opioid agent indicated for the management of severe chronic pain in adult patients for whom intrathecal therapy is warranted, and who are intolerant of or refractory to other treatment, such as systemic analgesics, adjunctive therapies, or intrathecal morphine. Prialt is currently marketed in Europe by Esteve. Quzyttir is the first and only injectable second-generation H1 antihistamine approved by the FDA for the treatment of acute urticaria in adults and children six months of age and older.

With this transaction, Esteve will obtain worldwide rights for Quzyttir in all territories (except for China) and consolidates its rights for Prialt worldwide.Financial terms of the deal were not disclosed.

This article is accessible to registered users, to continue reading please register for free.  A free trial will give you access to exclusive features, interviews, round-ups and commentary from the sharpest minds in the pharmaceutical and biotechnology space for a week. If you are already a registered user please login. If your trial has come to an end, you can subscribe here.

Login to your account

Become a subscriber

 

£820

Or £77 per month

Subscribe Now
  • Unfettered access to industry-leading news, commentary and analysis in pharma and biotech.
  • Updates from clinical trials, conferences, M&A, licensing, financing, regulation, patents & legal, executive appointments, commercial strategy and financial results.
  • Daily roundup of key events in pharma and biotech.
  • Monthly in-depth briefings on Boardroom appointments and M&A news.
  • Choose from a cost-effective annual package or a flexible monthly subscription
The Pharma Letter is an extremely useful and valuable Life Sciences service that brings together a daily update on performance people and products. It’s part of the key information for keeping me informed

Chairman, Sanofi Aventis UK





Today's issue

Company Spotlight



More Features in Pharmaceutical