About this trial
A phase 2a, multicenter, randomized, double-blind, placebo-controlled study of TH104 in primary biliary cholangitis (PBC) participants with moderate to severe pruritus.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Men or women aged 18 to 75 years, inclusive, at the time of signing the informed consent form.
history of sustained increased alkaline phosphatase (ALP) levels first recognized at least 6 months prior to the Screening Visit
positive antimitochondrial antibodies (AMA) titer (>1:40 titer on immunofluorescence or M2 positive by enzyme-linked immunosorbent assay [ELISA])
PBC-specific antinuclear antibodies (antinuclear dot and nuclear rim positive)
Disqualifiers
Screening total bilirubin >2.0 x ULN.
Screening alanine aminotransferase (ALT) or aspartate aminotransferase (AST) >4 x ULN.
Screening serum creatinine >2.5 mg/dL (221 µmol/L).
History or presence of hepatic decompensation (e.g., variceal bleeds, encephalopathy, or poorly controlled ascites).
Trial design
Parallel
Treatments tested in this trial
Nalmefene
DrugTh-104 Nalmefene Mucoadhesive Buccal strip
Placebo
DrugMatching placebo to TH-104
Treatment groups
Trial outcomes
Primary outcomes
The primary objective is to investigate the safety and tolerability of repeat doses of TH104
Percentage of participants with treatment-related adverse events as coded by MedDRA.
Secondary outcomes
Difference in daily itch score between TH104 and placebo
Change in participants reported outcome for PBC-40 questionnaire
The PBC-40 is a disease specific questionnaire that assess PBC related symptoms . The six domains of PBC-40 relate to fatigue, emotional, social, and cognitive function, general symptoms, and itch
Change in participants reported outcome for 5-D itch questionnaire.
The 5-D itch scale was developed as a brief but multidimensional questionnaire designed to be useful as an outcome measure in clinical trials. The five dimensions are degree, duration, direction, disability and distribution.
Change in participants reported outcome for EQ5D quality of life questionnaire
EQ-5D assesses health status in terms of five dimensions of health.
Locations
Sponsors and contacts
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