Werewolf Reports 30% Response Rate for WTX-124 Monotherapy in Melanoma Patients
- Clinical Data Highlight: WTX-124 demonstrated a 30% overall response rate as a monotherapy in post-ICI advanced melanoma patients, indicating its potential as a best-in-class tolerability drug.
- Efficacy Validation: Initial data from WTX-330 further confirmed its antitumor activity and favorable tolerability, building on the first-in-human trial, showcasing its prospects in challenging tumor types.
- Future Development Plans: The Phase 1/1b trial for WTX-124 is expected to complete in the first half of 2026, with additional data updates planned, potentially requiring further funding to initiate a registration trial.
- Strategic Partnership Opportunities: Werewolf is seeking strategic partners to advance the WTX-124 and WTX-330 INDUKINE programs, leveraging its unique INDUCER T cell engager platform to enhance market competitiveness.
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- Stock Surge: GH Research PLC's stock surged 22.36% to $16.20, gaining $2.96, primarily driven by investor anticipation for a key company update scheduled for January 5, 2026.
- Key Update Announcement: The company will disclose the status of its Investigational New Drug Application (IND) for GH001 and progress on its global pivotal Phase 3 program for treatment-resistant depression (TRD), which is expected to have significant implications for the treatment landscape.
- Investor Interest Spike: The strong investor interest surrounding the upcoming announcement has led to a substantial increase in GH Research's stock price, reflecting heightened market confidence in the biotech sector.
- Positive Market Reaction: Despite no new updates from other biotech firms like Phathom Pharmaceuticals and Forte Biosciences, their stock prices also rose, indicating a broader optimistic sentiment in the biotechnology industry.

- Clinical Data Highlight: WTX-124 demonstrated a 30% overall response rate as a monotherapy in post-ICI advanced melanoma patients, indicating its potential as a best-in-class tolerability drug.
- Efficacy Validation: Initial data from WTX-330 further confirmed its antitumor activity and favorable tolerability, building on the first-in-human trial, showcasing its prospects in challenging tumor types.
- Future Development Plans: The Phase 1/1b trial for WTX-124 is expected to complete in the first half of 2026, with additional data updates planned, potentially requiring further funding to initiate a registration trial.
- Strategic Partnership Opportunities: Werewolf is seeking strategic partners to advance the WTX-124 and WTX-330 INDUKINE programs, leveraging its unique INDUCER T cell engager platform to enhance market competitiveness.

Clene Inc. Gains: Clene Inc. shares rose 8.53% in after-hours trading after announcing an upcoming investor call regarding its CNM-Au8 program for ALS, despite a regular session decline.
Werewolf Therapeutics Update: Werewolf Therapeutics saw a 6.12% increase after hours, likely influenced by investor reactions to its recent presentation at a cancer immunotherapy conference, despite no new news.
Biomea Fusion Presentation: Biomea Fusion's stock climbed 7.31% after hours following its announcement of an upcoming presentation on icovamenib data at a major diabetes and cardiovascular disease congress.
General Market Trends: Other biotech companies like Denali Therapeutics, TScan Therapeutics, and Nyxoah also experienced after-hours gains, reflecting ongoing investor interest and positioning ahead of regulatory milestones and presentations.

Biotech Stocks Surge: Several biotech and life sciences companies experienced significant gains in after-hours trading on November 26, indicating strong investor interest despite a lack of major news.
Modular Medical's Approval: Modular Medical, Inc. saw an 11.51% increase in share price after receiving Institutional Review Board approval for its Pivot insulin delivery system study, which aims to gather critical data on device usability.
Standard BioTools Collaboration: Standard BioTools Inc. advanced 4.90% following a strategic partnership announcement with Molecular Instruments to enhance protein imaging capabilities through next-generation Imaging Mass Cytometry workflows.
Ongoing Investor Optimism: Companies like Werewolf Therapeutics, Cogent Biosciences, and Longeveron also reported gains, reflecting continued investor confidence in their research and development efforts, despite no new corporate updates.

Fast Track Designation: Werewolf Therapeutics has received Fast Track Designation from the FDA for WTX-124, aimed at treating patients with advanced cutaneous melanoma after standard immunotherapy, based on promising clinical data.
WTX-124 Therapy: WTX-124 is a conditionally activated IL-2 therapy designed to enhance anti-tumor immune responses while minimizing systemic side effects, currently being evaluated in a Phase 1/1b study alongside pembrolizumab for various advanced solid tumors.

Cassava Sciences Surge: Cassava Sciences (SAVA) saw a 37.1% increase in after-hours trading, driven by renewed interest in its investigational drug simufilam for TSC-related epilepsy, following positive preclinical data and leadership changes.
Helius Medical Technologies Rebound: Helius Medical Technologies (HSDT) rose 15.67% after announcing a $500 million private placement to pivot towards a Solana-focused treasury vehicle, while also advancing its medical device pipeline.
Werewolf Therapeutics Gains: Werewolf Therapeutics (HOWL) increased by 9.78% in after-hours trading, supported by interest in its INDUKINE platform and upcoming interim data from its lead candidate targeting advanced solid tumors.
Aytu BioPharma and Equillium Updates: Aytu BioPharma (AYTU) rose 7.63% ahead of its fiscal results announcement, while Equillium (EQ) gained 10.34% after securing financing to advance its novel drug EQ504 and progressing its lead candidate in clinical trials.






