NCT05603182

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.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
96

participants targeted

Target at P75+ for phase_1 healthy

Timeline
Completed

Started Nov 2022

Longer than P75 for phase_1 healthy

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

October 27, 2022

Completed
6 days until next milestone

First Posted

Study publicly available on registry

November 2, 2022

Completed
5 days until next milestone

Study Start

First participant enrolled

November 7, 2022

Completed
1.3 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 21, 2024

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

February 21, 2024

Completed
Last Updated

March 7, 2024

Status Verified

March 1, 2024

Enrollment Period

1.3 years

First QC Date

October 27, 2022

Last Update Submit

March 6, 2024

Conditions

Outcome Measures

Primary Outcomes (1)

  • Treatment emergent adverse events

    Incidence, severity, and causal relationship of TEAEs

    Up to 20 weeks

Secondary Outcomes (5)

  • Cmax

    Up to 20 weeks

  • Tmax

    Up to 20 weeks

  • t1/2

    Up to 20 weeks

  • F%

    Up to 20 weeks

  • ADA

    Up to 20 weeks

Study Arms (4)

SAD Cohorts 1-8 Experimental Arm

EXPERIMENTAL

Subjects will receive a single intravenous or subcutaneous dose of PRA052 in a dose escalation format

Drug: PRA052

SAD Cohorts 1-8 Placebo Arm

PLACEBO COMPARATOR

Subjects will receive a single intravenous or subcutaneous dose of placebo

Other: Placebo

MAD Cohorts 1-5 Experimental Arm

EXPERIMENTAL

Subjects will receive three subcutaneous or intravenous doses of PRA052, one dose every 2 weeks, in a dose escalation format

Drug: PRA052

MAD Cohorts 1-5 Placebo Arm

PLACEBO COMPARATOR

Subjects will receive three subcutaneous or intravenous doses of placebo, one dose every 2 weeks

Other: Placebo

Interventions

PRA052DRUG

PRA052

MAD Cohorts 1-5 Experimental ArmSAD Cohorts 1-8 Experimental Arm
PlaceboOTHER

Placebo

MAD Cohorts 1-5 Placebo ArmSAD Cohorts 1-8 Placebo Arm

Eligibility Criteria

Age18 Years - 60 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • 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

You may not qualify if:

  • 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.
  • 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.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Prometheus Clinical Site

Lincoln, Nebraska, 68502, United States

Location

Related Links

Study Officials

  • Prometheus Biosciences, Inc.

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

    STUDY CHAIR

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
OTHER
Intervention Model
SEQUENTIAL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

October 27, 2022

First Posted

November 2, 2022

Study Start

November 7, 2022

Primary Completion

February 21, 2024

Study Completion

February 21, 2024

Last Updated

March 7, 2024

Record last verified: 2024-03

Data Sharing

IPD Sharing
Will share

http://engagezone.msd.com/doc/ProcedureAccessClinicalTrialData.pdf

More information

Locations