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Maralixibat for Intrahepatic Cholestasis of Pregnancy

Maralixibat for the trEatment of inTrAhePatic cHOlestasis of pRegnancy (METAPHOR)

Status
Not yet recruiting
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT07389031
Acronym
METAPHOR
Enrollment
28
Registered
2026-02-05
Start date
2026-04-01
Completion date
2028-03-31
Last updated
2026-02-05

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

Conditions

Intrahepatic Cholestasis of Pregnancy

Keywords

Pruritus, Itch, Itching, Cholestasis, Bile Acid, Pregnancy, Pregnant, Intrahepatic, Liver

Brief summary

An open label phase 2a/b trial of maralixibat in patients with Intrahepatic Cholestasis of Pregnancy (ICP) and elevated serum bile acid concentrations (sBA) to evaluate safety and tolerability

Interventions

Oral solution, dose-titrated. Maralixibat is an ileal bile acid transporter (IBAT) inhibitor.

Sponsors

Imperial College London
Lead SponsorOTHER
Mirum Pharmaceuticals, Inc.
CollaboratorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
FEMALE
Age
18 Years to 50 Years
Healthy volunteers
No

Inclusion criteria

1. Provide signed informed consent and be willing to comply with all study visits and requirements through end of study, including the follow-up period 2. Female aged ≥18 and ≤50 years with a viable singleton pregnancy between 20 weeks 0 days and 34 weeks 0 days (inclusive) at the screening visit, and no more than 35 weeks 0 days (inclusive) at the baseline visit. 3. Diagnosis of ICP 4. Non fasting (e.g., postprandial) tSBA level ≥19 μmol/L as assessed by the local laboratory. 5. Meets all inclusion criteria and no

Exclusion criteria

at screening as well as at the Day 1 (baseline) visit, unless otherwise specified.

Design outcomes

Primary

MeasureTime frameDescription
Assess the Safety and Tolerability of Maralixibat in Participants With ICPThrough to end of treatment, up to 21 weeksTo assess the safety and tolerability of maralixibat in participants with ICP on the basis of the following endpoints: Proportion of participants experiencing one or more of the following: To assess the safety and tolerability of maralixibat for the treatment of intrahepatic cholestasis of pregnancy (ICP) in pregnant women. Incidence of adverse events (AEs), serious adverse events (SAEs), and AEs that lead to discontinuation Incidence of clinically relevant laboratory abnormalities .

Secondary

MeasureTime frameDescription
Mean Change in the Weekly Average Worst Daily Itch Score as Measured by the Adult Itch Reported Outcome (5-D Itch Scale)Through the end of treatment (up to 21 weeks).Mean change from baseline to Week 3 (minimum 7 days) of the study treatment period in the weekly average worst daily itch score as measured by the Adult Itch Reported Outcome (5-D Itch Scale)
Mean Change in Total Serum Bile Acid (tSBA) ConcentrationBaseline to Week 3 (minimum 7 days of treatment)Mean change from baseline to Week 3 of the study treatment period in total tSBA concentration (minimum 7 days).

Countries

United Kingdom

Contacts

CONTACTJenny Chambers
jenny.chambers@imperial.ac.uk07843 660349
PRINCIPAL_INVESTIGATORCatherine Williamson, MD

Imperial College London

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 6, 2026