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rodatristat ethyl

Phase 2

Pulmonary Arterial Hypertension | Small molecule | Cardiovascular |Roivant Sciences Ltd.|Last Updated: Jun 4, 2025

Success Probability

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment108

FDA Designations

No designations recorded

Clinical trial landscape

rodatristat ethyl · 4 trials · 2 indications

Phase 2 1Phase 1 3
NCT04712669A Study of Rodatristat Ethyl in Patients With Pulmonary Arterial Hypertension (Core OLE)Pulmonary Arterial Hypertension
COMPLETED108 Analytics
PHASE2COMPLETED
A Study of Rodatristat Ethyl in Patients With Pulmonary Arterial Hypertension (Core OLE)
Pulmonary Arterial HypertensionUnlock trial analytics

Study Endpoints

Primary Endpoints

Percent Change From Baseline of Pulmonary Vascular Resistance (PVR) at Week 24
24 Weeks

Pulmonary vascular resistance (PVR) was measured by right heart catheterization (RHC)

Part 1 will evaluate the effect of a high-fat meal on the PK of rodatristat ethyl, rodatristat, and its metabolite(s) following single-dose administration of a rodatristat ethyl 600 mg dose
6 Days

Measure Rodatristat, rodatristat ethyl, and its metabolite(s): Maximum plasma concentration Cmax, area under the plasma concentration-time curve from time zero (predose) to the last detectable time point.

Part 2 will assess the PK of rodatristat ethyl, rodatristat, and metabolite(s) following multiple repeat doses of rodatristat ethyl at a supratherapeutic level
11 Days

Measure PK parameters, area under the concentration time curve over the dosing interval.

Evaluate the effect of rodatristat ethyl, rodatristat, and its major metabolites on the Fredericia-corrected QT interval in healthy volunteers using concentration-QT analyses following administration of multiple doses of rodatristat ethyl
20 Days

Measure change in baseline in QTcF

Safety of rodatristat ethyl by incidence of adverse events
21 days

Assessments of adverse events

Secondary Endpoints

Change From Baseline in World Health Organization (WHO) Functional Class (FC)
24 Weeks
Change From Baseline in Six-minute Walk Distance (6MWD)
24 Weeks
Change From Baseline in N-terminal Prohormone of Brain Natriuretic Peptide (NT-proBNP) Levels
24 Weeks
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Rodatristat Ethyl 300 mg BIDEXPERIMENTALMAIN study: Rodatristat ethyl 300 mg and placebo tablet BID + standard of care medication(s) taken for 24 weeks
Rodatristat Ethyl 600 mg BIDEXPERIMENTALMAIN study:Rodatristat ethyl two 300 mg tablets BID + standard of care medication(s) taken for 24 weeks
PlaceboPLACEBO_COMPARATORMAIN study: Matching two placebo tablets BID+ standard of care medication(s) taken for 24 weeks
Placebo-Rodatristat Ethyl 300 mgEXPERIMENTALSubjects whose actual treatment group is Placebo in the double-blind phase (Main Study) and received Rodatristat ethyl two 300 mg tablets BID in the open-label phase
Placebo-Rodatristat Ethyl 600 mgEXPERIMENTALSubjects whose actual treatment group is Placebo in the double-blind phase (Main Study) and received Rodatristat ethyl two 600 mg tablets BID in the open-label phase
Rodatristat Ethyl 300 mg-Rodatristat Ethyl 300 mgEXPERIMENTALSubjects whose actual treatment group is Rodatristat ethyl two 300 mg in the double-blind phase (Main Study) and received Rodatristat ethyl two 300 mg tablets BID in the open-label phase
Rodatristat Ethyl 300 mg-Rodatristat Ethyl 600 mgEXPERIMENTALSubjects whose actual treatment group is Rodatristat ethyl two 300 mg in the double-blind phase (Main Study) and received Rodatristat ethyl two 600 mg tablets BID in the open-label phase
Rodatristat Ethyl 600 mg-Rodatristat Ethyl 600 mgEXPERIMENTALSubjects whose actual treatment group is Rodatristat ethyl two 600 mg in the double-blind phase (Main Study) and received Rodatristat ethyl two 600 mg tablets BID in the open-label phase
Rodatristat ethylEXPERIMENTALPart One: is 600 QD
MoxifloxacinACTIVE_COMPARATOR -
Placebo for RodatristatPLACEBO_COMPARATOR -
Placebo for MoxifloxacinPLACEBO_COMPARATOR -
Rodatristat Ethyl 300 mg BID - Japanese subjectsEXPERIMENTAL -
Placebo match for Rodatristat Ethyl 300 mg BID - Japanese subjectsPLACEBO_COMPARATOR -
Rodatristat Ethyl 300 mg BID - Caucasian subjectsEXPERIMENTAL -
Placebo match for Rodatristat Ethyl 300 mg BID - Caucasian subjectsPLACEBO_COMPARATOR -
Rodatristat Ethyl 600 mg BID - Japanese subjectsEXPERIMENTAL -
Placebo match for Rodatristat Ethyl 600 mg BID - Japanese subjectsPLACEBO_COMPARATOR -
Rodatristat Ethyl 600 mg BID - Caucasian subjectsEXPERIMENTAL -
Placebo match for Rodatristat Ethyl 600 mg BID - Caucasian subjectsPLACEBO_COMPARATOR -

Interventions

NameTypeDescription
rodatristat ethyl 300 mg tablet BIDDRUGrodatristat ethyl 300 mg tablet + matching placebo tablet twice daily on top of standard of care
rodatristat ethyl 600 mg BIDDRUG2 rodatristat ethyl 300 mg tablets twice daily on top of standard of care
PlaceboDRUG2 matching placebo tablets on top of standard of care
Rodatristat EthylDRUGTablets, Oral, 600mg, QD
MoxifloxacinDRUGOral, Tablet, 400 mg QD
Placebo for RodatristatDRUGOral, Tablet, O mg QD, 0 mg BID
Placebo for MoxifloxacinDRUGOral, Tablet, 0 mg QD
Rodatristat Ethyl 300 mg BIDDRUGTablets, oral, 300 mg, BID 14 days
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites64

Inclusion Criteria: 1\. Male and female 18 years or older 2. Body Mass Index (BMI) \>18kg/m2 to \<=40kg/m2 3. Symptomatic PAH belonging to one of the following 2018 WHO Clinical Group 1 subtypes: a. Idiopathic PAH b. Heritable PAH c. Drug- or toxin-induced d. PAH associated with: 1. Connective ti...

Countries:United StatesAustriaBelgiumBosnia and HerzegovinaBulgariaCanadaCzechiaFranceGermanyItalyLatviaMoldovaPolandSerbiaSpainUkraineUnited Kingdom
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Frequently asked questions about rodatristat ethyl

What is Rodatristat Ethyl used for?

Rodatristat Ethyl is an investigational small molecule being studied for pulmonary arterial hypertension (PAH) and in healthy volunteers for safety and tolerability trials. It is developed by Roivant Sciences Ltd. (ticker: ROIV) and is currently in Phase 1 clinical development, with completed trials including a Phase 2 study in PAH patients.

Who makes Rodatristat Ethyl?

Rodatristat Ethyl is developed by Roivant Sciences Ltd., a biopharmaceutical company traded on the stock exchange under the ticker ROIV. The company is conducting clinical trials to evaluate the drug's safety and efficacy in pulmonary arterial hypertension and in healthy subjects.

What phase is Rodatristat Ethyl in?

Rodatristat Ethyl is in Phase 1 clinical development. It has completed three trials, including a Phase 2 study in pulmonary arterial hypertension and multiple Phase 1 studies in healthy volunteers. The drug is investigational and not yet approved by regulatory authorities.

What clinical trials is Rodatristat Ethyl in?

Rodatristat Ethyl has completed three trials: NCT04712669, a Phase 2 study in patients with pulmonary arterial hypertension; NCT05065359, a multiple-ascending dose bridging study in healthy Japanese subjects; and NCT05684640, a single and multiple dose study in healthy adults to evaluate food effects and safety. All trials are completed.

Is Rodatristat Ethyl the same as Rodatristat?

Rodatristat Ethyl is the ethyl ester prodrug form of Rodatristat. In the body, Rodatristat Ethyl is converted to Rodatristat and its major metabolites, which are the active compounds. Clinical trials evaluate the effects of both the prodrug and its metabolites on the heart and other safety parameters.