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A Study of PRA052 in Healthy Volunteers

A Phase 1, Double-Blind, Placebo-Controlled, Safety, Tolerability and Pharmacokinetics Study of PRA052 in Healthy Volunteers

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05603182
Enrollment
96
Registered
2022-11-02
Start date
2022-11-07
Completion date
2024-02-21
Last updated
2024-03-07

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

Conditions

Healthy

Brief summary

This is randomized, double-blind, placebo-controlled, single and multiple ascending dose study to evaluate the safety, tolerability, pharmacokinetics, and pharmacodynamics of PRA052 in healthy volunteers.

Interventions

DRUGPRA052

PRA052

OTHERPlacebo

Placebo

Sponsors

Prometheus Biosciences, Inc., a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA)
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
SEQUENTIAL
Primary purpose
OTHER
Masking
DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender
ALL
Age
18 Years to 60 Years
Healthy volunteers
Yes

Inclusion criteria

* Male or female (of non-childbearing potential only) between minimum adult legal age (according to local laws for signing the informed consent document) and 60 years of age. * Male subjects must use reliable forms of contraception during sexual intercourse with female partners from screening to 12 weeks after the end of dosing. * Good general health as determined by medical history, and by results of physical examination, chest x-ray, vital signs, ECG, and clinical laboratory tests obtained within 28 days (4 weeks) prior to study drug administration

Exclusion criteria

* History or presence of any clinically significant organ system disease that could interfere with the objectives of the study or the safety of the subjects. * Blood pressure and heart rate are outside the ranges 90-140 mmHg systolic, 40-90 mmHg diastolic, heart rate 40-99 beats/min. * 12-lead ECG with any abnormality judged by the Investigator to be clinically significant, QRS \>= 120 milliseconds (msec), or QTcF interval of \> 450 msec for men or \>470 msec for women. * Presence or history of any abnormality or illness, which in the opinion of the Investigator may affect absorption, distribution, metabolism or elimination of the study drug. * Any screening laboratory evaluation outside the laboratory reference range that is judged by the Investigator to be clinically significant. * History of or current active tuberculosis (TB) infection; history of latent TB that has not been fully treated or current latent TB infection as indicated by a positive QuantiFERON-TB test. * History of significant allergy to any medication as judged by the Investigator. * History of alcohol or drug abuse within the past 24 months.

Design outcomes

Primary

MeasureTime frameDescription
Treatment emergent adverse eventsUp to 20 weeksIncidence, severity, and causal relationship of TEAEs

Secondary

MeasureTime frameDescription
CmaxUp to 20 weeksMaximum concentration after single and multiple ascending doses
TmaxUp to 20 weeksTime to reach maximum concentration after single and multiple ascending doses
t1/2Up to 20 weeksHalf life after single and multiple ascending doses
F%Up to 20 weeksBioavailability after SC injection
ADAUp to 20 weeksIncidence of anti-drug antibody after single and multiple ascending doses

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026