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Hepion Pharmaceuticals Receives Positive FDA Response on GV104 in Gambling Disorder, a Condition With No Approved Medication

$HEPAPress releaseOct 19, 2026, 8:01 AM ETRead the release

Hepion's subsidiary Gravitas Life Sciences received positive FDA written responses to a Type B pre-IND meeting request for GV104, a buccal film of nalmefene, in gambling disorder — a condition with no approved pharmacotherapy. The FDA outlined a 505(b)(2) regulatory pathway, confirmed prior nonclinical and CMC data can be cross-referenced, and said the planned 12-week Phase 2 proof-of-concept design and primary endpoint are generally appropriate.

Key figures

Drug Name
GV104 (transmucosal buccal film of nalmefene)
Phase Of Trial
Phase 2 (planned)
Study duration
12 weeks
Regulatory pathway
505(b)(2) NDA relying in part on prior FDA findings for an approved nalmefene product
Ind submission expected
2027

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