Asset profile
GlyphAllo (allopregnanolone prodrug) · SPT-300
Small molecule
Evidence outlook
Mid-stage studies underway, no completed readout
Phase 2 studies are registered but none has completed a readout, so no evidence signal is assigned yet. The first graded signal arrives with a completed confirmatory readout.
How the evidence outlook works ↗
Featured trials
The studies most instrumental to this drug's clinical progression, individually graded on design and result. Pick an indication; Research unlocks the trials, endpoints, key results and grades.
Competitive landscape
72 competitors in this universe: 2 direct rivals (same mechanism and indication), 10 same-class, 60 same-indication; 33 further along in development.
| Drug | Stage | Modality | Mechanism | Evidence signal | Reported efficacygraded featured trials |
|---|---|---|---|---|---|
| GlyphAllo (allopregnanolone Prodrug) (SPT-300): this drug | Phase 2 | Small molecule | GABA-A receptor | ||
| KH607 | Phase 3 | Small molecule | GABA-A receptor | ||
| HS-10353 | Phase 2 | Small molecule | GABA-A receptor | ||
| Clobazam (Onfi) | Approved | Small molecule | GABA-A receptor | ||
| Diastat | Approved | Combination | GABA-A receptor | ||
| Diazepam (Valium) | Approved | Small molecule | GABA-A receptor | ||
| Diazepam (Valtoco) | Approved | Small molecule | GABA-A receptor | ||
| Ganaxolone | Approved | Small molecule | GABA-A receptor | ||
| Midazolam (Nayzilam) | Approved | Small molecule | GABA-A receptor, GABA-A receptor (benzodiazepine site) | ||
| Phenobarbital Sodium Injection (Sezaby) | Approved | Small molecule | GABA-A receptor | ||
| Stiripentol | Approved | Small molecule | GABA-A receptor | ||
| Diazepam (Libervant) | Phase 3 | Small molecule | GABA-A receptor | ||
| Staccato Alprazolam | Phase 3 | Combination | GABA-A receptor | ||
| Brexpiprazole (Rexulti) | Approved | Small molecule | Dopamine D2/D3 and serotonin 5-HT1A receptor | ||
| Cariprazine (Vraylar) | Approved | Small molecule | Dopamine D3/D2 receptor (partial agonist) | ||
| Cyclobenzaprine (Tonmya) | Approved | Small molecule | 5-HT2A, α1-adrenergic, H1-histaminergic, and M1-muscarinic acetylcholine receptors (functional antagonism) |
…and 57 more. Research shows the complete landscape.
Unlock the full comparison
Research adds each competitor's evidence grade and sourced trial results, aligned per race, so you can see who actually has the data.
Compare head-to-head
Upcoming events
(2 total)
Estimated primary-completion dates from ClinicalTrials.gov. These are registry estimates, never confirmed readout dates; they can move as trials progress.
All registered studies
Every ClinicalTrials.gov study of this drug's own program, grouped by indication and phase. Research unlocks the studies themselves: titles, statuses, dates and featured-trial cross-links.