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GTX-104

Phase 3

Aneurysmal Subarachnoid Hemorrhage (aSAH) | Small molecule | Other |Grace Therapeutics, Inc.|Last Updated: Oct 1, 2024

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedACTIVE_CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment100
FDA Designations
ORPHAN_DRUG
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT05995405Safety and Tolerability of GTX-104 Compared with Oral Nimodipine in Patients with ASAHPHASE3 ACTIVE NOT_RECRUITING 100Oct 20, 2023Dec 1, 2024Oct 1, 202422 United States
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Study Endpoints
Primary Endpoints
Incidence (% or proportion) of subjects with at least one episode of clinically significant hypotension with a reasonable possibility that GTX-104/oral nimodipine caused the event, according to the Endpoint Adjudication Committee.
90 days

Hypotension events requiring medical treatment

Secondary Endpoints
Total number of episodes of clinically significant hypotension
Day 1 - Day 90
Duration of episodes of clinically significant hypotension
Day 1 - Day 90
Incidence and severity of Adverse Events (AEs) based on the National Cancer Institute Common Terminology Criteria for Adverse Events (NCI-CTCAE, Version 5.0).
Day 1 - Day 90
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Study Design & Arms
AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
GTX-104EXPERIMENTALGTX-104 is a sterile concentrate of 10 mg nimodipine/5 mL (2 mg/mL), to be diluted in normal saline to obtain a dosing solution composed of dispersed micelles containing nimodipine for IV infusion. It will be administered as a continuous IV infusion of 0.15 mg/hour and a 30-minute IV bolus of 4 mg every 4 hours for up to 21 days
Oral nimodipineACTIVE_COMPARATOROral nimodipine is a soft gelatin capsule. The dose is 60 mg (two 30 mg capsules) every 4 hours for up to 21 consecutive days.
Interventions
NameTypeDescription
GTX-104DRUGNimodipine IV infusion
Nimotop 30 MG Oral CapsuleDRUGOral nimodipine capsules
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites22

Inclusion Criteria: 1. Male or female ≥18 years of age. 2. Diagnosis of aneurysmal subarachnoid hemorrhage (aSAH) based on CT scan and angiography (computed tomography angiography \[CTA\], magnetic resonance angiography \[MRA\], or digital subtraction angiography \[DSA\]). 3. Hunt and Hess score fr...

Countries:United States
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Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT05995405primaryCompletionDate: changed
LOWMay 24, 2026NCT05995405studyFirstPostDate: changed