A Bioavailability Study of GS1-144 Tablets in Healthy Postmenopausal Women
A Randomized, Open-label, Single-dose, Two-crossover Bioavailability Study of Single Oral Administration of GS1-144 Tablets Under Fasting Condition in Healthy Postmenopausal Female Subjects in China
1 other identifier
interventional
24
1 country
1
Brief Summary
To evaluate the pharmacokinetic (PK) characteristics of GS1-144 tablets and the relative bioavailability of the two preparations in healthy postmenopausal female subjects in China.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for phase_1
Started Apr 2025
Shorter than P25 for phase_1
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
April 30, 2025
CompletedFirst Submitted
Initial submission to the registry
May 6, 2025
CompletedFirst Posted
Study publicly available on registry
May 21, 2025
CompletedPrimary Completion
Last participant's last visit for primary outcome
July 14, 2025
CompletedStudy Completion
Last participant's last visit for all outcomes
July 14, 2025
CompletedAugust 8, 2025
April 1, 2025
3 months
May 6, 2025
August 5, 2025
Conditions
Outcome Measures
Primary Outcomes (9)
Pharmacokinetics (Peak Plasma Concentration (Cmax) ) of GS1-144 with present and new preparation
0 hours -72 hours post-administration
Pharmacokinetics (Area under the blood concentration-time curve from 0 to the last quantifiable time point after administration (AUC0-t)) of GS1-144 with present and new preparation
0 hours -72 hours post-administration
Pharmacokinetics (Area under the blood concentration-time curve from 0 to infinity (AUC0-∞)) of GS1-144 with present and new preparation
0 hours -72 hours post-administration
Pharmacokinetics (time to peak (Tmax)) of GS1-144 with present and new preparation
0 hours -72 hours post-administration
Pharmacokinetics (rate constant of drug elimination (λz)) of GS1-144 with present and new preparation
0 hours -72 hours post-administration
Pharmacokinetics (elimination half-life (t1/2)) of GS1-144 with present and new preparation
0 hours -72 hours post-administration
Pharmacokinetics (apparent clearance rate (CL/F)) of GS1-144 with present and new preparation
0 hours -72 hours post-administration
Pharmacokinetics (apparent volume of distribution (Vz/F)) of GS1-144 with present and new preparation
0 hours -72 hours post-administration
Pharmacokinetics (relative bioavailability (F%)) of GS1-144 with present and new preparation
0 hours -72 hours post-administration
Study Arms (2)
T-R
EXPERIMENTALAdministration order: GS1-144 Tablet with new preparation (T), GS1-144 Tablet with present preparation (R)
R-T
EXPERIMENTALAdministration order: GS1-144 Tablet with present preparation (R), GS1-144 Tablet with new preparation (T),
Interventions
A single oral dose of GS1-144 Tablet with present preparation
Eligibility Criteria
You may qualify if:
- At the time of signing the Informed consent Form (ICF) : age between 40 and 65 years (inclusive of boundary values).
- Postmenopausal female subjects: Natural menopause (defined as continuous spontaneous amenorrhea for ≥ 12 months, except for lactation or surgical menopause, or continuous spontaneous amenorrhea for ≥ 6 months, serum follicle stimulating hormone (FSH) \> 40 IU/L, and serum estradiol (E2) concentration less than the upper limit of the normal range in postmenopausal women; Or ≥ 6 weeks after bilateral oophorectomy (with/without hysterectomy).
- Weight ≥ 45 kg with body mass index (BMI) in the range of 18-28 kg/m2 (inclusive of boundary values).
- Be able to communicate well with researchers, understand and comply with the requirements of this study, voluntarily participate in the trial, understand and sign ICF.
You may not qualify if:
- (Screening/admission) Known allergic history to the study drug and any of its components or related preparations, or history of allergic diseases (including but not limited to asthma, urticaria, etc.), or allergic constitution (such as known allergic history to two or more substances).
- (Screening period/admission interrogation) Patients with any previous or current cardiovascular, gastrointestinal, endocrine, hematologic, hepatic, immunologic, metabolic, urinary, pulmonary, neurological, cutaneous, psychiatric, renal and/or other major diseases considered by the investigators as clinically significant.
- (Screening period/admission inquiry)Patients with severe infection, severe trauma or major surgical operation within 6 months before the first administration.
- (Screening period/admission inquiry) Received blood transfusion within 3 months before the first dose, or had blood donation, or had blood loss ≥400 mL, or planned to donate blood within 1 month after the end of the study.
- Abnormal detection of infectious diseases with clinical significance, such as positive human immunodeficiency virus antigen (HIV Ag) or antibody (HIV Ab), hepatitis B surface antigen (HBsAg), hepatitis C virus antibody (HCV Ab) or treponema pallidum antibody or specific antibody.
- (Screening period/admission inquiry) Were enrolled in another clinical trial within 3 months before the first dose (except those who did not receive any intervention) or were enrolled in another clinical trial.
- (Screening period/admission inquiry) Use of any prescribed medication \[including but not limited to any medication that changes liver enzyme activity (e.g., glucocorticoids, sex hormones, anticonvulsants, cyclosporine, etc.)\] within 4 weeks before the first dose of medication; Or use of any non-prescription drugs (including but not limited to Chinese herbal medicine, compound preparations of Chinese herbal medicine, health supplements, etc.) and vitamin supplements within 2 weeks before administration; Those who had taken an inducer of cytochrome P450 1A2 (CYP1A2) within 3 months before taking the study drug or had taken a CYP1A2 inhibitor within the previous 2 weeks or 5 half-lives, the longer.
- Clinically significant abnormal results of physical examination, chest X-ray, abdominal ultrasound or reproductive organ ultrasound at screening; Patients with clinically significant abnormal thyroid function, parathyroid function or neck ultrasound examination results; Abnormal laboratory tests with clinical significance.
- Clinically significant abnormal vital signs, in which abnormal blood pressure was defined as systolic blood pressure ≥ 140 mmHg or \< 90 mmHg, diastolic blood pressure ≥ 90 mmHg or \< 60 mmHg.
- Prolonged QT interval corrected with Fridericia's formula (QTcF \> 460 ms in women, Fridericia's formula: QTcF = QT/RR0.33) on 12-lead electrocardiogram at screening, or other clinically significant abnormalities.
- (Screening period/admission consultation) With a history of drug abuse at present or within 1 year.
- (Screening period/admission consultation) Smoked more than 5 cigarettes per day in the 3 months before screening, or could not stop using any tobacco products during the study period.
- (During admission) Who had a positive breath test for alcohol or had been an alcoholic for 3 months prior to screening, i.e. had consumed more than 14 units of alcohol per week (one standard unit is 17.5 mL or 14 g of pure alcohol, the alcohol content of different types of alcohol is indicated by volume, and one standard unit is approximately 35 mL of 50° liquor or 350 mL of 5° beer); Or unwilling to stop drinking alcohol or consuming any alcohol-based products during the trial.
- (During the admission period) With positive results of multiple drug tests in urine.
- (Screening period/admission inquiry) Who had consumed any food or beverage (e.g. those containing grapefruit, star fruit or their products) that might affect the metabolism of the study drug within 48 hours before admission to the phase I ward in each cycle.
- +3 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Chengdu Xinhua Hospital
Chengdu, Sichuan, 610000, China
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- OTHER
- Intervention Model
- CROSSOVER
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
May 6, 2025
First Posted
May 21, 2025
Study Start
April 30, 2025
Primary Completion
July 14, 2025
Study Completion
July 14, 2025
Last Updated
August 8, 2025
Record last verified: 2025-04