09:13 AM EDT, 03/26/2025 (MT Newswires) -- Health care stocks advanced pre-bell Wednesday as the Health Care Select Sector SPDR Fund ( XLV ) was 0.2% higher and the iShares Biotechnology ETF (IBB) was up 0.4% recently.

OSR (OSRH) shares surged past 167% after its Vaximm subsidiary said final data from a phase 2a trial showed that its investigational vaccine VXM01 in combination with avelumab "could offer meaningful clinical benefit" in patients with recurrent glioblastoma, a type of aggressive brain cancer.

Theratechnologies ( THTX ) shares were up over 34% after the company said the US Food and Drug Administration approved its supplemental biologics license application for the new formulation of tesamorelin to be used as an injection.

Alvotech ( ALVO ) , Kashiv Biosciences, and Advanz Pharma said the UK Medicines and Healthcare Products Regulatory Agency has accepted the marketing application for AVT23, a proposed biosimilar to Xolair. Alvotech ( ALVO ) shares were over 1% higher premarket.