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PRA023 Low Dose

Phase 1

Healthy | Small molecule | Other |Merck & Company, Inc.|Last Updated: Jan 17, 2024

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLEDDMC
Total Trials2
Total Enrollment118

FDA Designations

No designations recorded

Clinical trial landscape

PRA023 Low Dose · 2 trials · 1 indication

Phase 1 2
NCT05354349Bioavailability of SC Formulation and Japanese Ethnobridging Study for PRA023Healthy
COMPLETED49 Analytics
NCT04676178A Study of PRA023 in Healthy VolunteersHealthy
COMPLETED69 Analytics
PHASE1COMPLETED
Bioavailability of SC Formulation and Japanese Ethnobridging Study for PRA023
HealthyUnlock trial analytics
PHASE1COMPLETED
A Study of PRA023 in Healthy Volunteers
HealthyUnlock trial analytics

Study Endpoints

Primary Endpoints

Incidence, severity, causal relationship of treatment emergent adverse events
Up to 14 Weeks
F% in Caucasian subjects
Up to 10 Weeks

Mean SC versus IV AUC(inf) values

Cmax in Japanese subjects
Up to 14 Weeks

Maximum concentration after single dose

Tmax in Japanese subjects
Up to 14 Weeks

Time to reach maximum concentration after single dose

Treatment emergent adverse events
Up to 22 weeks

Incidence, severity, and causal relationship of TEAEs

Secondary Endpoints

Cmax in Caucasian subjects
Up to 10 Weeks
Tmax in Caucasian subjects
Up to 10 Weeks
Immunogenicity rate
Up to 14 Weeks
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Study Design & Arms

AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposeBASIC_SCIENCE

Treatment Arms

ArmTypeDescription
PRA023 SC/Placebo IVEXPERIMENTALParticipants randomized to receive active subcutaneous injection/placebo intravenous infusion
Placebo SC/PRA023 IV Low DoseACTIVE_COMPARATORParticipants randomized to receive placebo subcutaneous injection/active intravenous infusion
Placebo SC/Placebo IVPLACEBO_COMPARATORParticipants randomized to receive placebo subcutaneous injection/placebo intravenous infusion
Placebo SC/PRA023 IV High DoseEXPERIMENTAL -
SAD Cohorts 1-6 Experimental ArmEXPERIMENTALSubjects will receive single intravenous doses of PRA023 in a dose escalation format
SAD Cohorts 1-6 Placebo ArmPLACEBO_COMPARATORSubjects will receive intravenous doses of placebo
MAD Cohorts 1-5 Experimental ArmEXPERIMENTALSubjects will receive three intravenous doses of PRA023, one dose every 2 weeks, in a dose escalation format
MAD Cohorts 1-5 Placebo ArmPLACEBO_COMPARATORSubjects will receive three intravenous doses of placebo, one dose every 2 weeks,

Interventions

NameTypeDescription
PRA023 IV Low DoseDRUGDrug
PRA023 SCDRUGDrug
Placebo IVDRUGPlacebo
Placebo SCDRUGPlacebo
PRA023 IV High DoseDRUGDrug
PRA023DRUGPRA023
PlaceboOTHERPlacebo
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Eligibility Criteria

Age Range18 Years to 55 Years
SexALL
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: * Subjects are required to meet the following criteria in order to be included in the study: 1. Japanese subjects must have both natural (not adopted) parents and four grandparents of Japanese origin. 2. Caucasian subjects must be of European or Latin American descent (i.e....

Countries:United States
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Frequently asked questions about PRA023 Low Dose

What is PRA023 Low Dose used for?

PRA023 Low Dose is an investigational small molecule being studied in healthy volunteers. It is currently in Phase 1 clinical development, with studies focused on evaluating the drug in healthy participants. The drug is not approved for any medical condition and remains under investigation.

Who makes PRA023 Low Dose?

PRA023 Low Dose is being developed by Merck & Company, Inc., a pharmaceutical company traded on the New York Stock Exchange under the ticker symbol MRK. The company is conducting early-stage clinical trials to evaluate the drug in healthy volunteers.

What phase is PRA023 Low Dose in?

PRA023 Low Dose is in Phase 1 clinical development. Two Phase 1 trials have been completed, both involving healthy volunteers. The drug is investigational and has not been approved by regulatory authorities for any use.

What clinical trials is PRA023 Low Dose in?

PRA023 Low Dose has been studied in two completed Phase 1 trials: NCT04676178, a study in healthy volunteers with 69 participants, and NCT05354349, a bioavailability and Japanese ethnobridging study with 49 participants. Both trials were conducted in the United States.

Is PRA023 Low Dose the same as PRA023?

PRA023 Low Dose is a formulation or dosing variant of the investigational drug PRA023. The clinical trials listed for PRA023 Low Dose evaluate the drug in healthy volunteers, with one study specifically examining the bioavailability of a subcutaneous formulation.