ClinicalTrials.gg
Active, not recruitingNCT05995405STRIVE-ONUpdated Oct 1, 2024

Safety and Tolerability of GTX-104 Compared with Oral Nimodipine in Patients with ASAH

A Phase 3 interventional study of GTX-104 and Nimotop 30 MG Oral Capsule in Aneurysmal Subarachnoid Hemorrhage (aSAH), sponsored by Grace Therapeutics Inc.. Active, not recruiting at 22 sites in United States. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2024-10-01.

Sponsored by Grace Therapeutics Inc. · Phase 3, Interventional, and Treatment

From the registry’s dates

  • Primary completion was expected by Dec 2024, 1 year 11 months ago, but the record still lists the study as active, not recruiting.

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Phase
Phase 3
Study type
Interventional
Enrollment
100
Allocation
Randomized
Ages
18 Years and older
Sex
All
01

Where this study stands

Counted across the records on this site · 2026-11-13

Among 149 studies in Subarachnoid Hemorrhage with a site in United States — 31 open to participants now, 37 under way, 2 of them phase 3. Subarachnoid Hemorrhage · United States.

Planned enrollment
22nd of 107
100 · median 30
Started
2023
with 6 others
Phase 3
9 of 149
none open now
Primary completion
2024-12
later than 2 of 36 live
Registered
126th of 149
by date

Among the 149 studies in Subarachnoid Hemorrhage with a site in United States, this one is the 22nd largest by planned enrollment of the 107 interventional ones that give a count, is one of 7 that started in 2023, is one of 9 in phase 3, reaches primary completion later than 2 of the 36 other live ones, and was the 126th registered.

Subarachnoid Hemorrhage

510 studies on the registry are indexed under Subarachnoid Hemorrhage; 128 are open to participants now.

Browse Subarachnoid Hemorrhage studies →

Open to participants now

31 of the 149 studies in Subarachnoid Hemorrhage with a site in United States are open now. Recruiting first, the newest first:

26 more — sign in →

All 31 open studies →

A study can be open while its sites in United States have not opened yet or have stopped. Only those recruiting at a site in United States →

Who these studies take

Of the 89 Subarachnoid Hemorrhage studies recruiting now, 56 (63%) set no upper age limit and 4 (4%) stop at 75 or younger; 7 take children under 18; 7 take healthy volunteers.

This study: 18 Years and older · all sexes · no healthy volunteers.

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02

Study summary

The purpose of this study is to deliver nimodipine via IV directly into the bloodstream and to determine if this is as safe and tolerable as oral nimodipine capsules.

03

Conditions studied

  • Aneurysmal Subarachnoid Hemorrhage (aSAH)
04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

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 from I to V just prior to randomization.
  4. Subject or the subject's legal representative has signed (either in person or by fax, scan, or email) before any study-specific procedures are performed.
  5. Able to start IP within 96 hours from the onset of aSAH. Note 1: The onset of aSAH is defined as the time when the subject experienced the first symptom of aSAH (e.g., severe headache or loss of consciousness reported either by the subject or by a witness).

    Note 2: If found unconscious or the time of first symptoms is unknown, the onset of aSAH will be defined as the last time the subject was seen at baseline neurological state.

  6. If a woman of (WOCBP), must have a negative pregnancy test during the pre-randomization phase (screening). A woman is not of childbearing potential if she has undergone surgical sterilization (total hysterectomy, or bilateral tubal ligation, or bilateral oophorectomy at least 6 weeks before taking IP) or if she is abstinent (see below) or and has had no menstrual bleeding of any kind including menstrual period, irregular bleeding, spotting, etc., for at least 12 months, with an appropriate clinical profile, and there is no other cause of amenorrhea (e.g., hormonal therapy, prior chemotherapy).

    WOCBP and males whose sexual partners are WOCBP must agree to use barrier and a second form of contraception while receiving IP and for 30 days following their last dose of IP. Alternatively, total abstinence is also considered a highly effective contraception method when this is in line with the preferred and usual lifestyle of the subject. Periodic abstinence (e.g., calendar, ovulation, symptothermal, post-ovulation methods) and withdrawal are not acceptable methods of contraception.

  7. Sexually active males must use a condom during intercourse while taking IP and for 30 days after the last dose of IP and should not father a child during this period. A condom is required to be used also by vasectomized men as well as during intercourse with a male partner to prevent delivery of the IP via seminal fluid.

Exclusion criteria

Exclusion Criteria:

  1. Is at imminent risk of death and/or has Do Not Resuscitate (DNR) orders.
  2. Required cardiopulmonary resuscitation within 4 days prior to randomization.
  3. Has second- or third-degree atrio-ventricular block or bradycardia (heart rate ≤50 bpm) prior to randomization.
  4. Has history of cirrhosis ( class B and C) prior to randomization.
  5. Has (ALT) and/or aspartate aminotransferase (AST) more than 2.5 times the (ULN).
  6. Has history of malabsorption syndrome, recent ileus (in the last 3 months), or other gastrointestinal (GI) conditions that would interfere with absorption of nimodipine, in the opinion of the Investigator.
  7. Has a severe or unstable concomitant condition or disease other than what may be attributed to the SAH that, in the opinion of the Investigator, may increase the risk associated with study participation or nimodipine administration, or may interfere with the interpretation of study results.
  8. Has a history of recurrent syncope or hypotension that may interfere with the safety assessments of nimodipine.
  9. Has a known to nimodipine or capsule constituents or to GTX-104.
  10. Is pregnant/has a positive serum or urine pregnancy test.
  11. Has received more than 12 doses (or 720 mg) of oral nimodipine (as a solution [e.g., Nymalize] or capsules) as part of the standard of care (SOC) for the ruptured aneurysm prior to randomization.
  12. Is receiving strong inhibitors of such as some macrolide antibiotics (e.g., clarithromycin, telithromycin), some anti- protease inhibitors (e.g., delavirdine, indinavir, nelfinavir, ritonavir, saquinavir), some azole antimycotics (e.g., ketoconazole, itraconazole, voriconazole), and some antidepressants (e.g., nefazadone). See Appendix 5.
  13. Is receiving or has received any other agent(s)/device(s) in the last 30 days.
Terms in these criteria, in plain language(11)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

Informed consent

Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.

You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.

Childbearing potential

Able to become pregnant: from the first period until menopause, unless permanently unable to through surgery (removal of the womb, or of both ovaries or both fallopian tubes).

Criteria for people of childbearing potential usually ask for a negative pregnancy test and for contraception during the study and for a time after it.

Postmenopausal

Periods have stopped for good: usually no period for 12 months in a row without another medical reason, sometimes confirmed by a blood test (FSH).

Contraception

Ways of preventing pregnancy. “Highly effective” methods fail less than 1% of the time a year when used correctly — for example an IUD or an implant.

Criteria usually say which methods count and how long to keep using them after the last dose, sometimes for male participants too. Some studies accept a partner’s vasectomy if it was confirmed successful and that person is the participant’s only sexual partner.

Child-Pugh class

A score of how well the liver works in people with liver disease such as cirrhosis: class A is mild, B moderate and C severe.

ALT and AST (liver enzymes)

Two enzymes measured in a routine blood test of the liver. Higher levels can mean the liver is under strain or damaged. SGPT and SGOT are older names for ALT and AST.

Criteria usually give a limit as a multiple of the upper limit of normal (ULN), often higher when cancer has spread to the liver.

ULN (upper limit of normal)

The top of the normal range for a blood test, as set by the laboratory that runs it. Each lab prints its own range next to your result.

“≤ 2.5 × ULN” means the result can be up to two and a half times that top value.

Hypersensitivity

An allergy, or another reaction of the immune system, to a substance. “Hypersensitivity to the study drug” means a known allergic reaction to it — not every side effect a medicine can have.

CYP3A (CYP3A4) inhibitors and inducers

CYP3A is a group of enzymes, mainly CYP3A4, in the liver and gut that break down many medicines. Some medicines, supplements and foods (grapefruit, St John’s wort) slow them down or speed them up, which changes how much of a study drug stays in the body.

Studies list them so they can be avoided or switched; bring a list of everything you take, including supplements.

HIV

The human immunodeficiency virus, which weakens the immune system.

Many studies now accept people whose HIV is controlled on treatment, judged by the viral load and the CD4 count. Check the limits this study sets.

Investigational drug or device

A drug or device being studied in a clinical trial.

It may be new, or already approved and being studied for another use, dose or form. Criteria often leave out people who took part in another study of one within a recent period, commonly 30 days or five half-lives.

05

Study design

Phase
Phase 3
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
None (open label)
Enrollment
100 participants (estimated)

Study arms

  • Experimental
    GTX-104

    GTX-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

    Drug: GTX-104

  • Active comparator
    Oral nimodipine

    Oral nimodipine is a soft gelatin capsule. The dose is 60 mg (two 30 mg capsules) every 4 hours for up to 21 consecutive days.

    Drug: Nimotop 30 MG Oral Capsule

Interventions

06

What researchers measure

Primary outcomes

  1. 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.

    Hypotension events requiring medical treatment

    Time frame: 90 days

Secondary outcomes

  1. Total number of episodes of clinically significant hypotension

    Time frame: Day 1 - Day 90

  2. Duration of episodes of clinically significant hypotension

    Calendar days

    Time frame: Day 1 - Day 90

  3. Incidence and severity of Adverse Events (AEs) based on the National Cancer Institute Common Terminology Criteria for Adverse Events (NCI-CTCAE, Version 5.0).

    Time frame: Day 1 - Day 90

  4. Incidence of delayed cerebral ischemia (DCI)

    Delayed cerebral ischemia will be evaluated and defined by the following: * For subjects in whom changes in the mGCS and Abbreviated National Institutes of Health Stroke Scale (aNIHSS) are assessable: a decrease of at least 2 points on the mGCS or an increase of at least 2 points on the aNIHSS, lasting for at least 2 hours, where other medical or surgical causes are excluded. The deterioration is measured relative to the best score attained after aneurysm repair. * For subjects in whom the neurologic scales are not assessable: radiological evidence and clinical judgement.

    Time frame: Day 1 - Day 21

  5. Use of rescue therapy for DCI

    Rescue therapy is defined as induced hypertension, selective intraarterial infusion of vasodilator drugs or balloon angioplasty.

    Time frame: Day 1 - Day 21

  6. Suicidal ideation using the Columbia-Suicide Severity Rating Scale (C-SSRS) score of ≥ 4

    Time frame: Day 1 - Day 90

Other outcomes

  1. Number of intensive care unit (ICU) stays

    Time frame: Day 1 - Day 90

  2. Duration of intensive care unit (ICU) stays

    Time frame: Day 1 - Day 90

  3. Duration (calendar days) of mechanical ventilation

    Time frame: Day 1 - Day 90

  4. Therapeutic Intensity Scale (TIS)

    Assessed on a daily basis until Day 14 post-aSAH for the occurrence or use of mechanical ventilation, ICP monitoring, a central venous or arterial line, an external ventricular drain, deep sedation, pharmacological paralysis, and whether or not the patient is comatose for a period of at least 8 hours on that day.

    Time frame: Day 1 - Day 14

  5. Number of hospital stays

    Time frame: Day 1 - Day 90

  6. Duration of hospital stays

    Calendar days

    Time frame: Day 1 - Day 90

  7. Hospital discharge disposition

    Discharge to: (e.g., home, rehabilitation, long-term care)

    Time frame: Day 1 - Day 90

  8. Quality of Life as measured by EQ-5D-3L

    Time frame: Day 30 and Day 90

  9. Modified Rankin Scale (mRS)

    0 - No symptoms 1. - No significant disability despite symptoms; able to carry out all usual duties and activities 2. - Slight disability; unable to carry out all previous activities, but able to look after own affairs without assistance 3. - Moderate disability; requiring some help, but able to walk without assistance 4. - Moderately severe disability; unable to walk and attend to bodily needs without assistance 5. - Severe disability; bedridden, incontinent and requiring constant nursing care and attention 6. - Dead

    Time frame: Day 30 and Day 90

07

Study locations

22 sites
08

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reached

Started Oct 2023 (actual). Primary completion is estimated for Dec 2024, 14 months after the start.

How these figures are worked out, and which studies are left out of them.

Registered
Jul 31, 2023
First posted
Aug 16, 2023
StartActual
Oct 20, 2023
Primary completionEst.
Dec 2024
CompletionEst.
Dec 2024
Last update
Oct 1, 2024
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on Oct 1, 2024, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT05995405
Lead sponsor
Grace Therapeutics Inc.
Responsible party
Sponsor
First posted
Aug 16, 2023
Start date
Oct 20, 2023
Primary completion
Dec 2024 (estimated)
Completion
Dec 2024 (estimated)
Last update
Oct 1, 2024

Study contacts

R. Loch Macdonald, MD
study director · Grace Therapeutics Inc.

Oversight

Data monitoring committee
Yes
FDA-regulated drug
Yes
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is active, not recruiting, as verified in Sep 2024. You cannot join it, but the record below documents what was studied.

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