This is a 3-part, first-in-human study of single ascending doses (SAD; Part 1) and multiple ascending doses (MAD; Part 2) of CORT113176 in healthy participants; Part 3 is an optional part to investigate whether CORT113176 ameliorates the effects of prednisone on various pharmacodynamic (PD) endpoints. The 3 parts may not be conducted entirely sequentially provided that this is justified by pharmacokinetic (PK) and safety data obtained from completed cohorts. The first MAD cohort will not start until data are available from at least 2 SAD levels to allow MAD administration in the fasted state, or until after a food-effect cohort has been dosed in the SAD phase to allow MAD administration in the fed state. The expected exposure for the daily MAD level at steady state (taking into consideration potential accumulation on repeat dosing) must not exceed the highest exposure considered to be safe and well tolerated during preceding SAD cohorts.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
BASIC_SCIENCE
Masking
DOUBLE
Enrollment
110
CORT113176 Lipid Capsule Formulation 10-200 mg for oral administration
Placebo matching CORT113176 Lipid Capsule Formulation 10-200 mg for oral administration
Prednisone standard release tablets 1 x 20 mg plus 1 x 5 mg for oral administration
Quotient Sciences
Ruddington, Nottingham, United Kingdom
Number of Participants with One or More Adverse Events
Time frame: Part 1 SAD Cohorts: up to Day 9; Part 2 MAD Cohorts: up to Day 23; Part 3 Cohort: up to Day 19
Maximum Plasma Concentration (Cmax) of CORT113176
Time frame: Before dosing and at pre-specified time points up to Day 9 (Part 1 SAD Cohorts), up to Day 23 (Part 2 MAD Cohorts), or Days 10-19 (Part 3 Cohort)
Time of Cmax (Tmax) of CORT113176
Time frame: Before dosing and at pre-specified time points up to Day 9 (Part 1 SAD Cohorts), up to Day 23 (Part 2 MAD Cohorts), or Days 10-19 (Part 3 Cohort)
Apparent Elimination Half-life (t1/2) of Plasma CORT113176
Time frame: Before dosing and at pre-specified time points up to Day 9 (Part 1 SAD Cohorts), up to Day 23 (Part 2 MAD Cohorts), or Days 10-19 (Part 3 Cohort)
Area Under the Plasma Concentration-time Curve (AUC) of CORT113176
Time frame: Before dosing and at pre-specified time points up to Day 9 (Part 1 SAD Cohorts), up to Day 23 (Part 2 MAD Cohorts), or Days 10-19 (Part 3 Cohort)
Serum Cortisol
Time frame: Predose on Days 1 and 14 (Part 2 MAD Cohorts)
Serum Adrenocorticotropic Hormone (ACTH)
Time frame: Predose on Days 1 and 14 (Part 2 MAD Cohorts)
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