A Phase 1 MAD Study to Evaluate the Safety and Tolerability of LY03020

Not Applicable

Recruiting

• Conditions: Schizophrenia; Alzheimer's Disease Psychosis
• Interventions: Drug: LY03020; Drug: Placebo

• Registration Number: NCT07230652
• Lead Sponsor: Luye Pharma Group Ltd.

Brief Summary

This is a randomized, double-blind, placebo-controlled, ascending multiple oral dose study to assess the safety, tolerability, and pharmacokinetics of LY03020 in Chinese healthy adult subjects and/or subjects with stable schizophrenia.

Detailed Description

Not available

Study Timeline

• Study First Submitted: 2025-08-06
• Study Start: 2025-08-20
• Status Verified: 2025-11
• Study First Submitted QC: 2025-11-14
• Study First Posted: 2025-11-17
• Last Update Submitted: 2025-11-18
• Last Update Posted: 2025-11-19
• Primary Completion: 2025-12-31
• Study Completion: 2026-02-28

Recruitment & Eligibility

• Status: RECRUITING
• Sex: All
• Target Recruitment: 40

Inclusion Criteria

Healthy Subjects

• Subjects sign informed consent voluntarily.
• Male or female aged 18 to 45 years.
• Body weight ≥ 50.0 kg for male and ≥ 45.0 kg for female, and body mass index (BMI) between 18.5 and 26.0 kg/m2 Subjects with Stable Schizophrenia
• Subjects themselves and / or their guardians sign informed consent voluntarily.
• Male or female aged 18 to 60 years.
• Body weight ≥ 50.0 kg for male and ≥ 45.0 kg for female, and body mass index (BMI) between 18.5 and 32.0 kg/m2.
• Subject must meet the DSM-V criteria for a primary diagnosis of schizophrenia. Subject must have a PANSS total score ≤ 80 and CGI-S score ≤ 4 at screening. The condition is stable from 1 month before signing informed consent to baseline.

Exclusion Criteria

Healthy Subjects

• Subjects have any clinically significant medical condition or chronic disease.
• Subjects have used any of nonprescription drugs within 7 days or prescription drugs within 28 days prior to administration.
• Subjects experienced a history of keratopathy, fundus disease, increased intraocular pressure, or angle-closure glaucoma. Subjects have any abnormal and clinically significant test for ophthalmic examination during screening.
• Subjects with a history of orthostatic hypotension or syncope.
• Subjects with condition that may interfere with the drug absorption, distribution, metabolism and excretion significantly.
• Subjects had a history of surgery within 3 months prior to administration, or had not recovered, or have a surgical plan during the study.
• Subjects have any clinically significant abnormal vital signs, laboratory values, and ECGs.
• Subjects have a history of allergic diseases, or allergic to any substance contained in the formulation
• Subjects have a positive test for HBsAg, HCV-Ab, HIV-Ab, or syphilis antibody. Subjects with Stable Schizophrenia
• According to the DSM-5, there were other mental disorders except schizophrenia within 6 months before screening period.
• Assessed by the investigator as having treatment-resistant schizophrenia; past or current diagnosis of neuroleptic malignant syndrome (NMS); anticipated need for antipsychotic regimen modifications during the study period;
• History of suicide attempts (including actual attempts, interrupted attempts, or failed attempts) or suicidal ideation within the past 6 months, defined as affirmative responses ("yes") to question 4 or 5 on the Columbia-Suicide Severity Rating Scale (C-SSRS) at screening/baseline;
• Subjects have used monoamine oxidase inhibitors (MAOI) within 28 days or any dietary supplements/traditional Chinese herbal products within 7 days prior to first dosing.
• Glycated hemoglobin (HbA1c) ≥7% at screening/baseline.
• Congenital long QT syndrome; uncontrolled or severe cardiovascular disease, including NYHA class II or higher congestive heart failure, unstable angina, myocardial infarction within 6 months prior to screening, or presence of treatment-requiring severe arrhythmias (e.g., sustained ventricular tachycardia, ventricular fibrillation, torsades de pointes) at screening; resting heart rate <50 beats per minute (bpm) at screening/baseline; or QTc >450 ms (male) / QTc >460 ms (female) based on Fridericia's formula-corrected measurements at screening/baseline.
• Subjects experienced a history of keratopathy, fundus disease, increased intraocular pressure, or angle-closure glaucoma. Subjects have any abnormal and clinically significant test for ophthalmic examination during screening.
• Subjects with a history of orthostatic hypotension or syncope.

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Arm && Interventions

Group	Intervention	Description
LY03020	LY03020	Subjects will take LY03020 from Day 1 to Day 7
Placebo	Placebo	Subjects will take Placebo from Day 1 to Day 7

Primary Outcome Measures

Name	Time	Method
Number of participants with adverse events (AEs) and serious adverse events (SAEs).	up to Day 11

Secondary Outcome Measures

Name	Time	Method
Maximum observed concentration at steady state (Cmax,ss) of LPM787000048 in plasma	up to Day 11
Area under the concentration-time curve from time zero extrapolated to infinity at steady state (AUC0-∞,ss) of LPM787000048 in plasma	up to Day 11
AUC Accumulation Ratio (Ra(AUC)) of LPM787000048 in plasma	up to Day 11
Number of participants with ophthalmic examination abnormalities.	up to Day 11
Number of participants with clinical laboratory assessment abnormalities.	up to Day 11
Change from Baseline in Columbia - Suicide Severity Rating Scale (C-SSRS) at Day 11 of subjects with stable schizophrenia	up to Day 11	This scale is divided into three parts, which are evaluated suicidal ideation(5 items \[yes/no\])，intensity of ideation (5 items on 5-point scales; scores range from 0 to 25 with higher scores indicating more intense suicidal ideation),and suicide behavior(actual attempt,interrupted attempt,aborted attempt, preparatory acts or behavior).
Minimum observed concentration at steady state (Cmin,ss) of LPM787000048 in plasma	up to Day 11
Time to maximum observed concentration at steady (Tmax,ss) state of LPM787000048 in plasma	up to Day 11
Change from Baseline in Positive and Negative Syndrome Scale (PANSS) at Day 11 of subjects with stable schizophrenia	up to Day 11	The total score range is 30 to 210.A higher score is associated with greater illness severity.
Change from Baseline in Barnes Akathisia Rating Scale (BARS) at Day4 and Day 11 of subjects with stable schizophrenia	up to Day 11	The total score range is 0 to 14.A higher score is associated with greater illness severity.
Change from Baseline in Simpson-Angus Scale (SAS) at Day4 and Day 11 of subjects with stable schizophrenia	up to Day 11	This scale consists of 10 items, and each question is scored from 0 to 4 points. The Total score range is 0 to 40.A higher score is associated with greater illness severity.
Area under the concentration- time curve during the dosing interval at steady state (AUC0-τ,ss) of LPM787000048 in plasma	up to Day 11
Apparent terminal elimination half-life (t1/2) of LPM787000048 in plasma	up to Day 11
Number of participants with vital sign abnormalities.	up to Day 11
Number of participants with 12-lead electrocardiogram abnormalities (ECGs).	up to Day 11
Cmax Accumulation Ratio (Ra(Cmax)) of LPM787000048 in plasma	up to Day 11

Trial Locations

Locations (1)

Beijing AnDing Hospital Capital Medical University; 🇨🇳 Beijing, China