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A Study to Assess the Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of ESN364 in Healthy Japanese Male and Pre- and Post-menopausal Female Subjects

Phase 1 Study of ESN364 - Placebo-controlled, Single and Multiple Oral Dose Study in Healthy Japanese Male and Healthy Japanese Pre- and Postmenopausal Female Subjects -

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03436849
Enrollment
44
Registered
2018-02-19
Start date
2018-02-22
Completion date
2018-05-23
Last updated
2024-10-16

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

Conditions

Healthy Subjects

Keywords

ASP2693, Pharmacodynamics, Pharmacokinetics, ESN364, Safety

Brief summary

The purpose of this study is to evaluate the safety and tolerability of single and multiple oral doses of ESN364 in healthy Japanese male and pre- and post-menopausal female subjects. This study will also evaluate the pharmacokinetics (PK) of ESN364 and its metabolite, and the pharmacodynamics (PD) of ESN364 after single and multiple oral doses administration in healthy Japanese male and pre- and post-menopausal female subjects.

Detailed description

This study consists of two parts. Part 1; Single Dose (SD) and Part 2; Single and Multiple Dose (SD and MD).

Interventions

DRUGESN364

ESN364 will be administered orally.

DRUGPlacebo

Placebo will be administered orally.

Sponsors

Astellas Pharma Inc
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
SEQUENTIAL
Primary purpose
BASIC_SCIENCE
Masking
TRIPLE (Subject, Caregiver, Investigator)

Eligibility

Sex/Gender
ALL
Age
20 Years to 64 Years
Healthy volunteers
Yes

Inclusion criteria

* Male subject between 20 to \< 45 years of age, or female subject between 20 to \< 65 years of age. * Body weight at screening: ≥ 50.0 kg and \< 80.0 kg for male, ≥ 40.0 kg and \< 70.0 kg for female. * Body mass index (BMI) at screening: range of ≥ 17.6 kg/m2 and \< 26.4 kg/m2 \[BMI = Body weight (kg) ÷ {Body height (m)2}\].

Exclusion criteria

* Subjects who participated or are scheduled to participate in any clinical trials or post-marketing studies within 84 days prior to screening. * Subject has had previous exposure with ESN364. * Subject has any clinically significant history of allergic conditions prior to study drug administration. * Subject has any history or evidence of any clinically significant cardiovascular, gastrointestinal, endocrinologic, hematologic, hepatic, immunologic, metabolic, urologic, pulmonary, neurologic, dermatologic, psychiatric, renal, and/or other major disease or malignancy. * Subject has contracted pyretic or symptomatic viral, bacterial, or fungal infection within 7 days prior to hospital admission. * Any deviation from the normal range of blood pressure, pulse, body temperature, or routine 12-lead ECG at screening or on the day of hospital admission. * Subjects who has any significantly abnormal results of laboratory tests at screening or on the day of hospital admission. * Subjects who are positive for any of urinary drug abuse test or serology test at screening. * Subject took a drug or underwent therapy within 2 weeks prior to hospital admission. * Subjects used a drug or underwent therapy that affects sex hormones within 3 months prior to hospital admission. * Subjects who had bilateral orchiectomy. * Subject has used any inducer of metabolism in the 3 months prior to hospital admission. * Subject has a history of smoking more than 10 cigarettes per day within 3 months prior to screening test. * Subject consumes, on average, more than approximately 500 mg/day of caffeine * Subject has a history of consuming more than 30 units of alcoholic beverages per week within 6 months prior to screening or has a history of alcoholism or drug/chemical/ substance abuse within past 2 years prior to screening. * Subjects who conducted or is scheduled to conduct any blood donation or blood drawing.

Design outcomes

Primary

MeasureTime frameDescription
Safety assessed by body weight in Part 2Up to Day 15 in Part 2To assess body weight as a criterion of safety variables
Safety assessed by menstrual cycle in pre-menopausal femalesUp to an average of two weeks after last dosingTo assess menstrual cycle as a criterion of safety variables
Safety assessed by incidence of adverse events (AEs) in Part 1Up to Day 12 in Part 1AEs will be coded using Medical Dictionary for Regulatory Activities (MedDRA).
Safety assessed by incidence of AEs in Part 2Up to Day 24 in Part 2AEs will be coded using MedDRA.
Safety assessed by vital signs: Body temperature in Part 1Up to day 12 in Part 1To assess vital signs as a criterion of safety variables.
Safety assessed by vital signs: Body temperature in Part 2Up to Day 24 in Part 2To assess vital signs as a criterion of safety variables.
Safety assessed by vital signs: Blood pressure in Part 1Up to Day 12 in Part 1To assess vital signs as a criterion of safety variables.
Safety assessed by vital signs: Blood pressure in Part 2Up to Day 24 in Part 2To assess vital signs as a criterion of safety variables.
Safety assessed by vital signs: Pulse rate in Part 1Up to Day 12 in Part 1To assess vital signs as a criterion of safety variables.
Safety assessed by vital signs: Pulse rate in Part 2Up to Day 24 in Part 2To assess vital signs as a criterion of safety variables.
Safety assessed by laboratory test: Hematology in Part 1Up to Day 12 in Part 1To assess laboratory values as a criterion of safety variables. Potentially clinically significant laboratory values will be reported as AEs.
Safety assessed by laboratory test: Hematology in Part 2Up to Day 24 in Part 2To assess laboratory values as a criterion of safety variables. Potentially clinically significant laboratory values will be reported as AEs.
Safety assessed by laboratory test: Biochemistry in Part 1Up to Day 12 in Part 1To assess laboratory values as a criterion of safety variables. Potentially clinically significant laboratory values will be reported as AEs.
Safety assessed by laboratory test: Biochemistry in Part 2Up to Day 24 in Part 2To assess laboratory values as a criterion of safety variables. Potentially clinically significant laboratory values will be reported as AEs.
Safety assessed by laboratory test: Urinalysis in Part 1Up to Day 12 in Part 1To assess laboratory values as a criterion of safety variables. Potentially clinically significant laboratory values will be reported as AEs.
Safety assessed by laboratory test: Urinalysis in Part 2Up to Day 24 in Part 2To assess laboratory values as a criterion of safety variables. Potentially clinically significant laboratory values will be reported as AEs.
Safety assessed by standard 12-lead electrocardiogram (ECG) in Part 1Up to Day 12 in Part 1Subjects should keep rest for 5 minutes before evaluation. Any clinically significant adverse changes on the ECG will be reported as AEs.
Safety assessed by standard ECG in Part 2Up to Day 24 in Part 2Subjects should keep rest for 5 minutes before evaluation. Any clinically significant adverse changes on the ECG will be reported as AEs.
Safety assessed by ECG parameters: Heart rate in Part 1Up to 24 hr after dosing in Part 1To assess ECG parameters as a criterion of safety variables.
Safety assessed by ECG parameters: Heart rate in Part 2Up to 24 hr after dosing on Day 10 in multiple dose (MD) of Part 2To assess ECG parameters as a criterion of safety variables.
Safety assessed by ECG parameters: QT interval in Part 1Up to 24 hr after dosing in Part 1To assess ECG parameters as a criterion of safety variables.
Safety assessed by ECG parameters: QT interval in Part 2Up to 24 hr after dosing on Day 10 in MD of Part 2To assess ECG parameters as a criterion of safety variables.
Safety assessed by ECG parameters: RR interval in Part 1Up to 24 hr after dosing in Part 1To assess ECG parameters as a criterion of safety variables.
Safety assessed by ECG parameters: RR interval in Part 2Up to 24 hr after dosing on Day 10 in MD of Part 2To assess ECG parameters as a criterion of safety variables.
Safety assessed by ECG parameters: PR interval in Part 1Up to 24 hr after dosing in Part 1To assess ECG parameters as a criterion of safety variables.
Safety assessed by ECG parameters: PR interval in Part 2Up to 24 hr after dosing on Day 10 in MD of Part 2To assess ECG parameters as a criterion of safety variables.
Safety assessed by ECG parameters: QRS interval in Part 1Up to 24 hr after dosing in Part 1To assess ECG parameters as a criterion of safety variables.
Safety assessed by ECG parameters: QRS interval in Part 2Up to 24 hr after dosing on Day 10 in MD of Part 2To assess ECG parameters as a criterion of safety variables.
Safety assessed by ECG parameters: QTc interval corrected by Fridericia method (QTcF) in Part 1Up to 24 hr after dosing in Part 1To assess ECG parameters as a criterion of safety variables.
Safety assessed by ECG parameters: QTcF in Part 2Up to 24 hr after dosing on Day 10 in MD of Part 2To assess ECG parameters as a criterion of safety variables.
Safety assessed by body weight in Part 1Up to Day 3 in Part 1To assess body weight as a criterion of safety variables

Secondary

MeasureTime frameDescription
PD endpoint for ESN364: Sex hormone binding globulin (SHBG) level in plasmaUp to 48 hr after dosing in Part 1, after first dosing in Part 2 and after dosing on Day 10 in MD part of Part 2To assess the PD of ESN364 in Part 1 and Part 2.
PD endpoint for ESN364: AUC12 for SHBG levelUp to 48 hr after dosing in Part 1 and after first dosing in Part 2.To assess the PD of ESN364 in Part 1 and Part 2.
PD endpoint for ESN364: AUC24 for SHBG levelUp to 48 hr after dosing in Part 1 and after first dosing in Part 2.To assess the PD of ESN364 in Part 1 and Part 2.
PD endpoint for ESN364: AUC48 for SHBG levelUp to 48 hr after dosing in Part 1 and after first dosing in Part 2.To assess the PD of ESN364 in Part 1 and Part 2.
PD endpoint for ESN364: Cmin for SHBG levelUp to 48 hr after dosing in Part 1, after first dosing in Part 2 and after dosing on Day 10 in MD part of Part 2To assess the PD of ESN364 in Part 1 and Part 2.
PD endpoint for ESN364: tmin for SHBG levelUp to 48 hr after dosing in Part 1, after first dosing in Part 2 and after dosing on Day 10 in MD part of Part 2To assess the PD of ESN364 in Part 1 and Part 2.
PD endpoint for ESN364: AUCtau for SHBG levelBefore dosing on Day 10 in MD part of Part 2To assess the PD of ESN364 in Part 2.
PD endpoint for ESN364: Cpredose for SHBG levelBefore dosing in Part 1 and before dosing on Day 2, 3, 5, 7 and 10 in MD part of Part 2To assess the PD of ESN364 in Part 1 and Part 2.
PD endpoint for ESN364: Total testosterone (TT) level in plasmaUp to 48 hr after dosing in Part 1, after first dosing in Part 2 and after dosing on Day 10 in MD part of Part 2To assess the PD of ESN364 in Part 1 and Part 2.
PD endpoint for ESN364: AUC24 for TT levelUp to 48 hr after dosing in Part 1 and after first dosing in Part 2.To assess the PD of ESN364 in Part 1 and Part 2.
PD endpoint for ESN364: AUC12 for TT levelUp to 48 hr after dosing in Part 1 and after first dosing in Part 2.To assess the PD of ESN364 in Part 1 and Part 2.
PD endpoint for ESN364: AUC48 for TT levelUp to 48 hr after dosing in Part 1 and after first dosing in Part 2.To assess the PD of ESN364 in Part 1 and Part 2.
PD endpoint for ESN364: Cmin for TT levelUp to 48 hr after dosing in Part 1, after first dosing in Part 2 and after dosing on Day 10 in MD part of Part 2To assess the PD of ESN364 in Part 1 and Part 2.
PD endpoint for ESN364: tmin for TT levelUp to 48 hr after dosing in Part 1, after first dosing in Part 2 and after dosing on Day 10 in MD part of Part 2To assess the PD of ESN364 in Part 1 and Part 2.
PD endpoint for ESN364: AUCtau for TT levelBefore dosing on Day 10 in MD part of Part 2To assess the PD of ESN364 in Part 2.
PD endpoint for ESN364: Cpredose for TT levelBefore dosing in Part 1 and before dosing on Day 2, 3, 5, 7 and 10 in MD part of Part 2To assess the PD of ESN364 in Part 1 and Part 2.
PD endpoint for ESN364: Free testosterone (FT) level in plasmaUp to 48 hr after dosing in Part 1, after first dosing in Part 2 and after dosing on Day 10 in MD part of Part 2To assess the PD of ESN364 in Part 1 and Part 2.
PD endpoint for ESN364: AUC12 for FT levelUp to 48 hr after dosing in Part 1 and after first dosing in Part 2.To assess the PD of ESN364 in Part 1 and Part 2.
PD endpoint for ESN364: AUC24 for FT levelUp to 48 hr after dosing in Part 1 and after first dosing in Part 2.To assess the PD of ESN364 in Part 1 and Part 2.
PD endpoint for ESN364: AUC48 for FT levelUp to 48 hr after dosing in Part 1 and after first dosing in Part 2.To assess the PD of ESN364 in Part 1 and Part 2.
PD endpoint for ESN364: Cmin for FT levelUp to 48 hr after dosing in Part 1, after first dosing in Part 2 and after dosing on Day 10 in MD part of Part 2To assess the PD of ESN364 in Part 1 and Part 2.
PD endpoint for ESN364: tmin for FT levelUp to 48 hr after dosing in Part 1, after first dosing in Part 2 and after dosing on Day 10 in MD part of Part 2To assess the PD of ESN364 in Part 1 and Part 2.
PD endpoint for ESN364: AUCtau for FT levelBefore dosing on Day 10 in MD part of Part 2To assess the PD of ESN364 in Part 2.
PD endpoint for ESN364: Cpredose for FT levelBefore dosing in Part 1 and before dosing on Day 2, 3, 5, 7 and 10 in MD part of Part 2To assess the PD of ESN364 in Part 1 and Part 2.
PD endpoint for ESN364: Estradiol (E) level in plasmaUp to 48 hr after first dosing in Part 2 and after dosing on Day 10 in MD part of Part 2To assess the PD of ESN364 in female subjects in Part 2.
PD endpoint for ESN364: AUC12 for E levelUp to 48 hr after first dosing in Part 2.To assess the PD of ESN364 in female subjects in Part 2.
PD endpoint for ESN364: AUC24 for E levelUp to 48 hr after first dosing in Part 2.To assess the PD of ESN364 in female subjects in Part 2.
PD endpoint for ESN364: AUC48 for E levelUp to 48 hr after first dosing in Part 2.To assess the PD of ESN364 in female subjects in Part 2.
PD endpoint for ESN364: Cmin for E levelUp to 48 hr after first dosing in Part 2 and after dosing on Day 10 in MD part of Part 2To assess the PD of ESN364 in female subjects in Part 2.
PD endpoint for ESN364: tmin for E levelUp to 48 hr after first dosing in Part 2 and after dosing on Day 10 in MD part of Part 2To assess the PD of ESN364 in female subjects in Part 2.
PD endpoint for ESN364: AUCtau for E levelBefore dosing on Day 10 in MD part of Part 2To assess the PD of ESN364 in female subjects in Part 2.
PD endpoint for ESN364: Cpredose for E levelBefore dosing on Day 2, 3, 5, 7 and 10 in MD part of Part 2To assess the PD of ESN364 in female subjects in Part 2.
PK parameter for ESN364 and its metabolite: AUC from the time of dosing to the last measurable concentration (AUClast) in plasmaUp to 48 hr after dosing in Part 1To assess the PK of ESN364 and its metabolite in Part 1.
PD endpoint for ESN364: AUC12 for P levelUp to 48 hr after first dosing in Part 2.To assess the PD of ESN364 in female subjects in Part 2.
PD endpoint for ESN364: AUC24 for P levelUp to 48 hr after first dosing in Part 2.To assess the PD of ESN364 in female subjects in Part 2.
PD endpoint for ESN364: AUC48 for P levelUp to 48 hr after first dosing in Part 2.To assess the PD of ESN364 in female subjects in Part 2.
PD endpoint for ESN364: Cmin for P levelUp to 48 hr after first dosing in Part 2 and after dosing on Day 10 in MD part of Part 2To assess the PD of ESN364 in female subjects in Part 2.
PD endpoint for ESN364: tmin for P levelUp to 48 hr after first dosing in Part 2 and after dosing on Day 10 in MD part of Part 2To assess the PD of ESN364 in female subjects in Part 2.
PD endpoint for ESN364: AUCtau for P levelBefore dosing on Day 10 in MD part of Part 2To assess the PD of ESN364 in female subjects in Part 2.
PD endpoint for ESN364: Cpredose for P levelBefore dosing on Day 2, 3, 5, 7 and 10 in MD part of Part 2To assess the PD of ESN364 in female subjects in Part 2.
PD endpoint for ESN364: Progesterone (P) level in plasmaUp to 48 hr after first dosing in Part 2 and after dosing on Day 10 in MD part of Part 2To assess the PD of ESN364 in female subjects in Part 2.
PK parameter for ESN364 and its metabolite: Maximum concentration (Cmax) in plasmaUp to 48 hr after dosing in Part 1, after first dosing in Part 2 and after dosing on Day 10 in MD part of Part 2To assess the PK of ESN364 and its metabolite in Part 1 and Part 2.
Pharmacokinetics (PK) parameter for ESN364 and its metabolite: Area under the concentration-time curve (AUC) from the time of dosing to time 24 h (AUC24) in plasmaUp to 48 hr after dosing in Part 1 and after first dosing in Part 2To assess the PK of ESN364 and its metabolite in Part 1 and Part 2.
PK parameter for ESN364 and its metabolite: AUC from the time of dosing extrapolated to time infinity (AUCinf) in plasmaUp to 48 hr after dosing in Part 1 and after first dosing in Part 2To assess the PK of ESN364 and its metabolite4 in Part 1 and Part 2.
PK parameter for ESN364 and its metabolite: Percentage of AUCinf (AUCinf(%extrap)) in plasmaUp to 48 hr after dosing in Part 1To assess the PK of ESN364 and its metabolite in Part 1.
PD endpoint for ESN364: AUCtau for FSH levelBefore dosing on Day 10 in MD part of Part 2To assess the PD of ESN364 in Part 2.
PK parameter for ESN364 and its metabolite: Apparent total clearance after extra-vascular dosing (CL/F) in plasmaUp to 48 hr after dosing in Part 1 and after dosing on Day 10 in MD part of Part 2To assess the PK of ESN364 and its metabolite in Part 1 and Part 2.
PK parameter for ESN364 and its metabolite: Time point prior to the time point corresponding to the first measurable (non-zero) concentration (tlag) in plasmaUp to 48 hr after dosing in Part 1, after first dosing in Part 2 and after dosing on Day 10 in MD part of Part 2To assess the PK of ESN364 and its metabolite in Part 1 and Part 2.
PK parameter for ESN364 and its metabolite: Time of the maximum concentration: (tmax) in plasmaUp to 48 hr after dosing in Part 1, after first dosing in Part 2 and after dosing on Day 10 in MD part of Part 2To assess the PK of ESN364 and its metabolite in Part 1 and Part 2.
PK parameter for ESN364 and its metabolite: Terminal elimination half-life (t1/2) in plasmaUp to 48 hr after dosing in Part 1 and after dosing on Day 10 in MD part of Part 2To assess the PK of ESN364 and its metabolite in Part 1 and Part 2.
PK parameter for ESN364 and its metabolite: volume of distribution during the terminal elimination phase after extra-vascular dosing (Vz/F) in plasmaUp to 48 hr after dosing in Part 1 and after dosing on Day 10 in MD part of Part 2To assess the PK of ESN364 and its metabolite in Part 1 and Part 2.
PK parameter for ESN364 metabolite: Metabolite to parent ratio (MPR) in plasmaUp to 48 hr after dosing in Part 1, after first dosing in Part 2 and after dosing on Day 10 in MD part of Part 2To assess the PK of ESN364 metabolite in Part 1 and Part 2.
PK parameter for ESN364 and its metabolite: AUC from the time of dosing to the start of the next dosing interval (AUCtau) in plasmaUp to 48 hr after dosing on Day 10 in MD part of Part 2To assess the PK of ESN364 and its metabolite in Part 2.
PK parameter for ESN364 and its metabolite: Peak-trough ratio (PTR) in plasmaUp to 48 hr after dosing on Day 10 in MD part of Part 2To assess the PK of ESN364 and its metabolite in Part 2.
PK parameter for ESN364 and its metabolite: Accumulation ratio calculated using AUC (Rac(AUC)) in plasmaUp to 48 hr after dosing on Day 10 in MD part of Part 2To assess the PK of ESN364 and its metabolite in Part 2.
PK parameter for ESN364 and its metabolite: Concentration immediately prior to dosing at multiple dosing (Ctrough) in plasmaBefore dosing on Day 2, 3, 5, 7 and 10 in MD part of Part 2To assess the PK of ESN364 and its metabolite in Part 2.
Pharmacodynamic (PD) endpoint for ESN364: Luteinizing hormone (LH) level in plasmaUp to 48 hr after dosing in Part 1, after first dosing in Part 2 and after dosing on Day 10 in MD part of Part 2To assess the PD of ESN364 in Part 1 and Part 2.
PD endpoint for ESN364: AUC12 for LH levelUp to 48 hr after dosing in Part 1 and after first dosing in Part 2.To assess the PD of ESN364 in Part 1 and Part 2.
PD endpoint for ESN364: AUC24 for LH levelUp to 48 hr after dosing in Part 1 and after first dosing in Part 2.To assess the PD of ESN364 in Part 1 and Part 2.
PD endpoint for ESN364: AUC48 for LH levelUp to 48 hr after dosing in Part 1 and after first dosing in Part 2.To assess the PD of ESN364 in Part 1 and Part 2.
PD endpoint for ESN364: Cmin for LH levelUp to 48 hr after dosing in Part 1, after first dosing in Part 2 and after dosing on Day 10 in MD part of Part 2To assess the PD of ESN364 in Part 1 and Part 2.
PD endpoint for ESN364: tmin for LH levelUp to 48 hr after dosing in Part 1, after first dosing in Part 2 and after dosing on Day 10 in MD part of Part 2To assess the PD of ESN364 in Part 1 and Part 2.
PD endpoint for ESN364: AUC from the Time of Dosing to the Start of the Next Dosing Interval (AUCtau) for LH levelBefore dosing on Day 10 in MD part of Part 2To assess the PD of ESN364 in Part 2.
PD endpoint for ESN364: Cpredose for LH levelBefore dosing in Part 1 and before dosing on Day 2, 3, 5, 7 and 10 in MD part of Part 2To assess the PD of ESN364 in Part 1 and Part 2.
PD endpoint for ESN364: Follicle stimulating hormone (FSH) level in plasmaUp to 48 hr after dosing in Part 1, after first dosing in Part 2 and after dosing on Day 10 in MD part of Part 2To assess the PD of ESN364 in Part 1 and Part 2.
PD endpoint for ESN364: AUC12 for FSH levelUp to 48 hr after dosing in Part 1 and after first dosing in Part 2.To assess the PD of ESN364 in Part 1 and Part 2.
PD endpoint for ESN364: AUC24 for FSH levelUp to 48 hr after dosing in Part 1 and after first dosing in Part 2.To assess the PD of ESN364 in Part 1 and Part 2.
PD endpoint for ESN364: AUC48 for FSH levelUp to 48 hr after dosing in Part 1 and after first dosing in Part 2.To assess the PD of ESN364 in Part 1 and Part 2.
PD endpoint for ESN364: Cmin for FSH levelUp to 48 hr after dosing in Part 1, after first dosing in Part 2 and after dosing on Day 10 in MD part of Part 2To assess the PD of ESN364 in Part 1 and Part 2.
PD endpoint for ESN364: tmin for FSH levelUp to 48 hr after dosing in Part 1, after first dosing in Part 2 and after dosing on Day 10 in MD part of Part 2To assess the PD of ESN364 in Part 1 and Part 2.
PD endpoint for ESN364: Cpredose for FSH levelBefore dosing in Part 1 and before dosing on Day 2, 3, 5, 7 and 10 in MD part of Part 2To assess the PD of ESN364 in Part 1 and Part 2.

Countries

Japan

Outcome results

None listed

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