Skip to content

MRX-901: An Open-label Study to Assess Safety and Tolerability of Maralixibat in Participants With Intrahepatic Cholestasis of Pregnancy (ICP)

MRX-901: An Open-label Study to Assess Safety and Tolerability of Maralixibat in Participants With Intrahepatic Cholestasis of Pregnancy (ICP) (OASIS)

Status
Not yet recruiting
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT07823127
Acronym
OASIS
Enrollment
15
Registered
2026-09-16
Start date
2027-01-15
Completion date
2029-01-12
Last updated
2026-09-16

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Intrahepatic Cholestasis of Pregnancy

Brief summary

This study is designed to assess whether the investigational drug maralixibat, is safe and well tolerated in pregnant women with intrahepatic cholestasis of pregnancy (ICP). This is an open-label study where all participants will receive maralixibat.

Interventions

Maralixibat tablets: 10 mg and 15 mg. Maralixibat oral solution 20 mg/mL. Maralixibat administered orally once or twice daily, with dose adjustments based on response and tolerability, from enrollment until delivery.

Sponsors

Mirum Pharmaceuticals, Inc.
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
FEMALE
Age
18 Years to 45 Years
Healthy volunteers
No

Inclusion criteria

1. Willing and able to provide signed informed consent at the screening visit 2. Female aged ≥18 and ≤45 years with viable singleton pregnancy between 20 weeks 0 days and no more than 35 weeks 0 days (inclusive) gestational age at the screening/baseline visit 3. Have a diagnosis of ICP in line with the AASLD guidelines 4. Willing and able to complete study-related procedures as required

Exclusion criteria

1. At the time of the screening/baseline visit, decision has already been made to deliver within the next 7 days, for any indication. 2. Known placenta accreta, complete placenta previa, PPROM at any gestational age prior to enrollment, cervical incompetence, history of prior spontaneous birth at ≤34 weeks gestational age not secondary to known or suspected ICP, or other condition (in the opinion of the investigator) likely to result in spontaneous or iatrogenic delivery before 37 weeks gestational age 3. Known non-reassuring fetal status based upon antepartum testing (e.g., CTG (cardiotography) at or within 7 days prior to screening/baseline visit 4. Known fetal anomaly likely to result in intrauterine fetal demise or neonatal death within the first 30 days of life 5. Known History or evidence of current undelying cholestatic liver disease at screening/baseline (Note: Women with history of ICP or known pathogenic variants that predispose to ICP are considered eligible.) 6. Evidence of other hepatobiliary conditions at screening or baseline.

Design outcomes

Primary

MeasureTime frame
Incidence of treatment-emergent adverse events (TEAEs)From first dose until approximately 42 days after delivery.

Contacts

CONTACTClinical Trials Mirum
clinicaltrials@mirumpharma.com+16506674085
CONTACTMedinfo Mirum
medinfo@mirumpharma.com

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Sep 17, 2026