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Single and Multiple-Ascending Dose Study of CRN04894 in Healthy Volunteers

A Double-blind, Randomized, Placebo-controlled, Single and Multiple Ascending Dose Study to Evaluate the Safety, Pharmacokinetics, and Pharmacodynamics of CRN04894 in Healthy Volunteers

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT06048887
Enrollment
88
Registered
2023-09-21
Start date
2020-12-18
Completion date
2022-04-11
Last updated
2023-09-21

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

Conditions

Healthy Volunteers

Brief summary

A Phase 1, first-in-human, double-blind, randomized, placebo-controlled study to evaluate the safety of CRN04894 in healthy volunteers as well as the relationship between exposure and pharmacodynamic (PD) parameters.

Interventions

DRUGCRN04894 Oral Solution

CRN04894 is an orally active nonpeptide melanocortin 2 receptor (MC2R) or adrenocorticotropic hormone (ACTH) antagonist.

Sponsors

Crinetics Pharmaceuticals Inc.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender
ALL
Age
18 Years to 55 Years
Healthy volunteers
Yes

Inclusion criteria

* Females must be either postmenopausal or surgically sterile; or using stable and permitted highly effective method of contraception - use of oral hormonal contraceptives are not allowed during the study * Male subjects must be surgically sterile or agree to use highly effective form of contraception when sexually active with a female partner of child bearing potential * ACTH-stimulated serum cortisol high-dose ACTH stimulation test conducted at Screening

Exclusion criteria

* Use of topical, nasal, inhaled, or oral corticosteroids. * Use of any investigational drug within the past 60 days. * Have a medically significant illness within 30 days prior to screening. * Use of prohibited prescribed or nonprescribed medications and/or nonmedications/alternative medicinal products. * Any condition that in the opinion of the investigator would jeopardize the subject's appropriate participation in this study. * Unstable psychological disorder ≤1 year prior to Screening.

Design outcomes

Primary

MeasureTime frame
Percentage of subjects with treatment-emergent adverse eventsPart 1 - up to Day 8; Part 2 - up to Day 20
Proportion of participants with a clinically significant safety laboratory observationPart 1 - up to Day 8; Part 2 - up to Day 20

Secondary

MeasureTime frameDescription
Pharmacokinetics (Cmax)Part 1 - up to Day 8; Part 2 - up to Day 20Assessment of the maximum observed plasma concentration of CRN04894
Pharmacokinetics (T1/2)Part 1 - up to Day 8; Part 2 - up to Day 20Assessment of elimination half-life of CRN04894
Pharmacokinetics (Tmax)Part 1 - up to Day 8; Part 2 - up to Day 20Assessment of time to maximal CRN04894 concentration (Tmax)
Pharmacokinetics (AUC)Part 1 - up to Day 8; Part 2 - up to Day 20Assessment of the plasma area under the curve of CRN04894

Other

MeasureTime frame
Change in ACTH-stimulated serum cortisolPart 1 - Day 1; Part 2 - Day 10
Change in serum cortisolPart 1 - up to Day 8; Part 2 - up to Day 20

Countries

United States

Outcome results

None listed

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