Live News • Jul 17
Eli Lilly Acquisition Sparks Interest in GH Research Depression Drug Candidate Eli Lilly’s agreement to acquire Atai Life Sciences and its subsidiary AtaiBeckley has lifted interest across psychedelic drug developers, with investors drawing comparisons between AtaiBeckley’s lead depression drug and GH Research’s inhaled candidate GH001 for treatment‑resistant depression.
GH Research recently cleared several clinical hurdles, including completion of a Phase 2b and Phase 1 trial for GH001 and the lifting of an FDA clinical hold, which together add clarity around its development path.
GH Research shares trade at $29.13, with the stock up 120.0% year to date, reflecting strong recent momentum ahead of any future partnership or M&A discussions.
The read‑through is that large pharma is willing to put capital into psychedelic therapies, and GH Research now sits in a peer group that has attracted a major buyer, but the company still faces the usual clinical, regulatory and funding risks of a pre‑commercial biotech. Announcement • Jun 04
GH Research PLC Publishes Full Results from Phase 2A Trial in Postpartum Depression and Announces Acceptance of Two Oral Presentations At CINP 2026 GH Research PLC announced the publication of the full results from its Phase 2a trial in postpartum depression (PPD) and the acceptance of two oral presentations at the 37th World Congress of Neuropsychopharmacology (CINP 2026). The peer-reviewed article, titled “Inhaled Mebufotenin (GH001) for Adult Patients with Postpartum Depression: A Phase 2a Open-Label Clinical Trial,” has been published in The Journal of Clinical Psychiatry (DOI: 10.4088/JCP.25m16284). The article reports the full results from the Phase 2a, single-arm, open-label trial, which enrolled 10 adult women with PPD. Primary endpoint met: Mean Montgomery–Åsberg Depression Rating Scale (MADRS) reduction of -35.4 points from baseline to Day 8. 100% of patients (10/10) achieved remission (MADRS total score =10) within two hours of dosing, sustained through Day 8. Improved maternal functioning: Mean 34.1-point (56%) increase on the Barkin Index of Maternal Functioning at Day 8. Well-tolerated: No serious adverse events; all treatment-emergent adverse events mild or moderate; no treatment-emergent suicidal ideation or behavior. An analysis of breast milk supports a treatment strategy with only a brief interruption of breastfeeding around GH001 dosing. The Company also announced that two featured communications have been accepted for oral presentation at CINP 2026, to be held June 26–29, 2026 in Glasgow, United Kingdom. Both present data from the Phase 2b GH001-TRD-201 trial of GH001 in treatment-resistant depression (TRD). Live News • May 05
GH Research Advances TRD Program With Positive Phase 2b Data and US$400 Million Shelf Approval GH Research reported positive Phase 2b results for its inhaled mebufotenin candidate GH001 in treatment-resistant depression, with Day 8 remission rates between 53.9% and 63.6% and benefits observed through a 6-month open-label extension.
The company has completed enrollment in two Phase 1 studies of its proprietary aerosol delivery device and selected doses for a planned global Phase 3 program, targeting trial initiation in late 2026 following FDA alignment.
GH Research’s Form F-3 shelf registration for up to US$400m of various securities became effective on May 19, 2026, providing flexibility to fund clinical development, pre-commercial work, and general corporate needs, alongside a reported cash position of US$267.3m as of March 31, 2026.
The combination of Phase 2b data publication in JAMA Psychiatry, progression toward a global Phase 3 program, and an effective US$400m shelf registration indicates a company preparing for more capital-intensive late-stage trials and potential pre-commercial activities.
For you as an investor, the key considerations are clinical and regulatory execution in TRD and the likelihood of future equity or other security offerings under the shelf that could affect your stake. 
