Radiprodil for Liver Disease
What You Need to Know Before You Apply
What is the purpose of this trial?
This trial tests how a new drug, radiprodil, behaves in the body and assesses its safety for individuals with liver problems. It targets those with mild, moderate, or severe liver impairment and compares them to healthy individuals. The researchers aim to determine if people with liver issues require different doses of radiprodil, which is under development for certain brain and nerve disorders. Individuals with stable liver impairment or those who are healthy without significant medical issues might be suitable for this study. As a Phase 1 trial, this research focuses on understanding radiprodil's effects in people, offering participants the opportunity to be among the first to receive this new treatment.
Do I have to stop taking my current medications for the trial?
The trial does not clearly state if you must stop taking your current medications, but it mentions that you cannot use certain medications that might interfere with radiprodil. It's best to discuss your specific medications with the trial team.
Is there any evidence suggesting that radiprodil is likely to be safe for humans?
Research has shown that radiprodil is generally safe for people. Earlier studies found that most individuals tolerate radiprodil well, with few serious side effects. In studies involving children with GRIN-related disorders, radiprodil also proved to be safe. This suggests that adults might tolerate radiprodil well, too. However, since this trial is in an early stage, the primary aim is to understand how radiprodil works in the body and to monitor for any side effects. Researchers will closely monitor participants to ensure their safety.12345
Why do researchers think this study treatment might be promising?
Researchers are excited about Radiprodil for liver disease because it offers a potential new approach for managing hepatic impairment. Unlike standard treatments, which often focus on managing symptoms or slowing progression, Radiprodil may work by targeting specific pathways involved in liver function. This targeted approach could potentially improve liver health and function more effectively. Additionally, Radiprodil's unique mechanism might offer hope for patients with varying degrees of liver impairment, from mild to severe, providing a tailored treatment option that existing therapies don't offer.
What evidence suggests that radiprodil could be an effective treatment for liver disease?
Research suggests that radiprodil may help manage certain health conditions. Studies have shown it can significantly reduce the number of seizures, with some patients experiencing up to an 86% decrease. Radiprodil adjusts certain brain receptors, which might aid in treating brain development disorders. Early research indicates it could potentially reverse liver disease and scarring. This trial will evaluate radiprodil's effects on participants with varying degrees of hepatic impairment, as well as healthy participants matched to these groups. While these findings are promising, more research is needed to understand its effectiveness for different conditions, including liver disease.12367
Are You a Good Fit for This Trial?
This trial is for adults aged 18-75, either with stable mild, moderate, or severe liver impairment or who are healthy. Participants must not have other serious health issues, cannot be pregnant or breastfeeding, and must agree to use effective birth control if of childbearing potential.Inclusion Criteria
Exclusion Criteria
Timeline for a Trial Participant
Screening
Participants are screened for eligibility to participate in the trial
Treatment
Participants receive a single 15 mg oral dose of radiprodil and are monitored for pharmacokinetics, safety, and tolerability
Follow-up
Participants are monitored for safety and effectiveness after treatment
What Are the Treatments Tested in This Trial?
Interventions
- Radiprodil
Trial Overview
The study tests a single oral dose of radiprodil in people with different levels of liver function compared to healthy volunteers. It aims to see how the drug is processed by the body and assess its safety over about six days.
How Is the Trial Designed?
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Treatment groups
Experimental Treatment
Participants with severe hepatic impairment (Child-Pugh Class C).
Participants with moderate hepatic impairment (Child-Pugh Class B).
Participants with mild hepatic impairment (Child-Pugh Class A).
Healthy participants matched to the severe hepatic impairment cohort by age, sex, and body mass index where feasible.
Healthy participants matched to the mild and moderate hepatic impairment cohorts by age, sex, and body mass index where feasible.
Find a Clinic Near You
Who Is Running the Clinical Trial?
GRIN Therapeutics, Inc.
Lead Sponsor
Citations
Radiprodil in Participants With Hepatic Impairment
Because radiprodil is primarily eliminated via hepatic metabolism, this study is intended to characterize the effect of liver impairment on radiprodil exposure ...
Radiprodil for Liver Disease
This Phase 1, open-label study will evaluate the pharmacokinetics (PK), safety, and tolerability of a single oral dose of radiprodil in adults with varying ...
Radiprodil in Participants With Hepatic Impairment
Results from this study will help determine whether dose adjustments are needed in individuals with impaired liver function. Key Dates. Start date: Mar 3 ...
4.
houstonmethodist.org
houstonmethodist.org/leading-medicine-blog/articles/2025/dec/new-drug-shows-first-evidence-of-reversing-cirrhosis-in-metabolic-liver-disease/New Drug Shows First Evidence of Reversing Cirrhosis in ...
Nearly a quarter of the patients receiving the 50-mg dose achieved at least a one-stage improvement in fibrosis without worsening of ...
Radiprodil, a NR2B negative allosteric modulator, from bench ...
Radiprodil is associated with a good safety and pharmacokinetic profile, and with the potential to control epileptic spasms.
ANZCTR - Registration
To assess the safety and tolerability of radiprodil after oral administration of single oral dose of radiprodil SDD formulation. This will be assessed as a ...
Drug‐Induced Liver Injury in Patients With Chronic ... - PMC
Patients with moderate hepatic impairment had exposure levels almost 3‐fold higher in the 2 mg daily dosage arm compared to 1 mg daily dosage ...
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