A Phase 1 Study to Evaluate the Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of SR1375

Phase 1

Completed

• Conditions: Healthy Volunteers
• Interventions: Drug: SR1375; Drug: Matching placebo

• Registration Number: NCT05026008
• Lead Sponsor: Shanghai SIMR Biotechnology Co., Ltd.

Brief Summary

This is a randomized, double-blind, placebo-controlled, 2-part study to evaluate the safety, tolerability, pharmacokinetics and pharmacodynamics of single and multiple ascending doses of SR1375 in healthy volunteers

Detailed Description

This study is a phase 1,randomized, double-blind, placebo-controlled, 2-part study to evaluate the safety, tolerability, pharmacokinetics and pharmacodynamics of single and multiple ascending doses of SR1375 in healthy volunteers. The study is divided into two parts, Part A (single ascending dose \[SAD\]) and Part B (multiple ascending dose \[MAD\]). In Part A, the scheduled dose cohorts include 1, 3, 10, 30, 100, and 200 mg; in Part B, the planned dose range will be 5, 15, and 50 mg.

Study Timeline

• Study First Submitted: 2021-08-18
• Study First Submitted QC: 2021-08-26
• Study First Posted: 2021-08-30
• Study Start: 2021-09-30
• Primary Completion: 2022-11-30
• Study Completion: 2023-03-30
• Status Verified: 2024-11
• Last Update Submitted: 2024-11-26
• Last Update Posted: 2024-11-29

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 72

Inclusion Criteria

Healthy volunteers will be included in the study if they satisfy all the following criteria:

1. Must have given written informed consent before any study-related activities are carried out and must be able to understand the full nature and purpose of the trial, including possible risks and adverse effects.
2. Adult males (for both SAD and MAD stage) and female (only for MAD stage), 18 to 55 years of age (inclusive) at screening.
3. Body mass index (BMI) ≥ 18 and ≤ 32 kg/m2, with a body weight ≥ 50 kg at screening.
4. Use of tobacco or nicotine-containing products:
5. Medically healthy without clinically significant abnormalities at the screening visit, at check-in on Day -1 and pre-dose on Day 1.
6. Conventional 12-lead ECG recording in triplicate (the mean of triplicate measurements will be used to determine eligibility at the screening visit, on Day -1 and pre-dose on Day 1) consistent with normal cardiac conduction and function.
7. Have suitable venous access for blood sampling.
8. Be willing and able to comply with all study assessments and adhere to the protocol schedule and restrictions.

Exclusion Criteria

Volunteers will be excluded from the study if there is evidence of any of the following:

1. History or presence of significant cardiovascular, pulmonary, hepatic, renal, haematological, gastrointestinal, endocrine, immunologic, dermatologic or neurological disease, including any acute illness or major surgery within the past three months determined by the Investigator to be clinically relevant.
2. Any history of malignant disease in the last 10 years (excluding completely treated cutaneous squamous cell or basal cell carcinoma).
3. Liver function test results (i.e., aspartate aminotransferase [AST], alanine aminotransferase [ALT], and gamma glutamyl transferase [GGT]) and bilirubin (total, conjugated and unconjugated) elevated more than 1.5-fold above the upper limit of normal (ULN).
4. Positive test results for active human immunodeficiency virus (HIV-1 and HIV-2), hepatitis B surface antigen (HBsAg) or hepatitis C virus (HCV) antibodies at the screening visit.
5. Presence or having sequelae of gastrointestinal, liver (including Gilbert's syndrome), kidney, or other conditions known to interfere with the absorption, distribution, metabolism, or excretion of drugs. Exception: cholecystectomy is allowed.
6. History of substance abuse or alcohol abuse defined as >21 units of alcohol per week for males and >14 units of alcohol per week for females (for MAD cohorts only). One unit is equivalent to 8 g of alcohol: a half-pint (~285 mL) of beer, 1 glass (125 mL) of wine or 1 measure (25 mL) of spirits.
7. Is an employee of an Investigator or Sponsor or an immediate relative of an Investigator.

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: SEQUENTIAL

Arm && Interventions

Group	Intervention	Description
SR1375 Capsule	SR1375	Ascending single and multiple doses of SR1375 capsules orally
Matching placebo	Matching placebo	Ascending single and multiple doses of placebo capsules orally

Primary Outcome Measures

Name	Time	Method
AE (Adverse Event)	Up to Day 32	Incidence, type and severity and causality of AEs (including withdrawals due to safety or tolerability reasons)

Secondary Outcome Measures

Name	Time	Method
Urine PK: CLr	Up to Day 4	Urine PK: Renal clearance (CLr)
Plasma PK : Ctrough	Up to Day 32	Plasma PK : Trough concentrations (Ctrough) (Part B only)
Plasma PK : AUC0-t	Up to Day 32	Plasma PK : Area under the concentration-time curve from 0 to time of last quantifiable
Plasma PK : AUC0-∞	Up to Day 32	Plasma PK : Area under the concentration-time curve from t=0 to infinity (AUC0-∞)
Urine PK: Ae	Up to Day 4	Urine PK: Cumulative amount of unchanged drug excreted in urine (Ae)
Plasma PK : Tmax	Up to Day 32	Plasma PK : Time to Cmax (Tmax)

Trial Locations

Locations (1)

Linear Clinical Research Ltd; 🇦🇺 Nedlands, Western Australia, Australia