Phase I Study of CPD704 Inhalation Suspension in Healthy Subjects

NCT ID: NCT07301203

Last Updated: 2025-12-24

Basic Information

• Recruitment Status: RECRUITING
• Clinical Phase: PHASE1
• Total Enrollment: 90 participants
• Study Classification: INTERVENTIONAL
• Study Start Date: 2025-10-21
• Study Completion Date: 2026-07-18

Brief Summary

This is a Phase I clinical trial evaluating the safety, tolerability, and pharmacokinetic characteristics of single and multiple doses of CPD704 inhalation suspension in healthy Chinese adult subjects.

Detailed Description

This study is a randomized, double-blind, placebo-controlled Phase I clinical trial evaluating the safety, tolerability, and pharmacokinetic characteristics of single and multiple doses of CPD704 inhalation suspension administered via nebulization in healthy Chinese adult subjects.

Conditions

Healthy; Healthy Participants

Keywords

Phase I Study of CPD704 in Healthy Subjects; CPX201-I-01

Study Design

• Allocation Method: RANDOMIZED
• Intervention Model: SEQUENTIAL
• Primary Study Purpose: PREVENTION
• Blinding Strategy: QUADRUPLE

Study Groups

SAD 1.5mg

The SAD 1.5mg cohort plans to enroll 10 subjects with 8 subjects receiving CPD704 and 2 subjects receiving placebo, administered as a single dose per participant.1.5 mg per administration.

Group Type: OTHER

CPD704 Inhalation Suspension

Intervention Type: DRUG

This trial employs standard jet nebulizers (air-compression nebulizers) for oral inhalation administration。

CPD704 placebo

Intervention Type: OTHER

The placebo is administered via standard jet nebulizer (air-compression nebulizer) for oral inhalation

SAD 0.5mg

For SAD 0.5mg cohort will enroll 2 subjects who will receive CPD704 once. 0.5 mg per administration

Group Type: OTHER

CPD704 Inhalation Suspension

Intervention Type: DRUG

This trial employs standard jet nebulizers (air-compression nebulizers) for oral inhalation administration。

SAD 3mg

This group will include exploratory studies onmetabolite identification, excretion pathways, and excretion quantification(conducted in Cycle 1) as well as anactivated charcoal gastrointestinal absorption blockade study(conducted in Cycle 2). A total of12 subjects will be enrolled (10:2 =CPD704 treatment group: placebo group), Each subject will receive a single 3 mg dose per cycle via oral inhalation.

Group Type: OTHER

CPD704 Inhalation Suspension

Intervention Type: DRUG

This trial employs standard jet nebulizers (air-compression nebulizers) for oral inhalation administration。

CPD704 placebo

Intervention Type: OTHER

The placebo is administered via standard jet nebulizer (air-compression nebulizer) for oral inhalation

SAD 6mg

The SAD 6mg cohort plans to enroll 10 subjects with 8 subjects receiving CPD704 and 2 subjects receiving placebo, administered as a single dose per participant,6 mg per administration.

Group Type: OTHER

CPD704 Inhalation Suspension

Intervention Type: DRUG

This trial employs standard jet nebulizers (air-compression nebulizers) for oral inhalation administration。

CPD704 placebo

Intervention Type: OTHER

The placebo is administered via standard jet nebulizer (air-compression nebulizer) for oral inhalation

SAD 9mg

The SAD 9mg cohort plans to enroll 10 subjects with 8 subjects receiving CPD704 and 2 subjects receiving placebo, administered as a single dose per participant,9 mg per administration.

Group Type: OTHER

CPD704 Inhalation Suspension

Intervention Type: DRUG

This trial employs standard jet nebulizers (air-compression nebulizers) for oral inhalation administration。

CPD704 placebo

Intervention Type: OTHER

The placebo is administered via standard jet nebulizer (air-compression nebulizer) for oral inhalation

SAD 12mg

The SAD 12mg cohort plans to enroll 10 subjects with 8 subjects receiving CPD704 and 2 subjects receiving placebo, administered as a single dose per participant,12 mg per administration..

Group Type: OTHER

CPD704 Inhalation Suspension

Intervention Type: DRUG

This trial employs standard jet nebulizers (air-compression nebulizers) for oral inhalation administration。

CPD704 placebo

Intervention Type: OTHER

The placebo is administered via standard jet nebulizer (air-compression nebulizer) for oral inhalation

MAD 1.5mg

Each cohort is planned to enroll 12 subjects (10:2 = CPD704 treatment group : placebo group). The route of administration is oral inhalation.

Based on SAD study results, the MAD cohort will receive QD or BID dosing, with a proposed 5-day consecutive dosing regimen (for BID dosing, only a morning dose will be administered on Day 5, totaling 9 doses).1.5 mg per administration.

Group Type: OTHER

CPD704 Inhalation Suspension

Intervention Type: DRUG

This trial employs standard jet nebulizers (air-compression nebulizers) for oral inhalation administration。

CPD704 placebo

Intervention Type: OTHER

The placebo is administered via standard jet nebulizer (air-compression nebulizer) for oral inhalation

MAD 3mg

Each cohort is planned to enroll 12 subjects (10:2 = CPD704 treatment group : placebo group). The route of administration is oral inhalation.

Based on SAD study results, the MAD cohort will receive QD or BID dosing, with a proposed 5-day consecutive dosing regimen (for BID dosing, only a morning dose will be administered on Day 5, totaling 9 doses) . 3 mg per administration.

Group Type: OTHER

CPD704 Inhalation Suspension

Intervention Type: DRUG

This trial employs standard jet nebulizers (air-compression nebulizers) for oral inhalation administration。

CPD704 placebo

Intervention Type: OTHER

The placebo is administered via standard jet nebulizer (air-compression nebulizer) for oral inhalation

MAD 6mg

Each cohort is planned to enroll 12 subjects (10:2 = CPD704 treatment group : placebo group). The route of administration is oral inhalation.

Based on SAD study results, the MAD cohort will receive QD or BID dosing, with a proposed 5-day consecutive dosing regimen (for BID dosing, only a morning dose will be administered on Day 5, totaling 9 doses). Each dose:6mg.

Group Type: OTHER

CPD704 Inhalation Suspension

Intervention Type: DRUG

This trial employs standard jet nebulizers (air-compression nebulizers) for oral inhalation administration。

CPD704 placebo

Intervention Type: OTHER

The placebo is administered via standard jet nebulizer (air-compression nebulizer) for oral inhalation

Interventions

CPD704 Inhalation Suspension

This trial employs standard jet nebulizers (air-compression nebulizers) for oral inhalation administration。

Intervention Type: DRUG

CPD704 placebo

The placebo is administered via standard jet nebulizer (air-compression nebulizer) for oral inhalation

Intervention Type: OTHER

Eligibility Criteria

Inclusion Criteria

1. The subject can communicate well with the researchers, fully understand the purpose and requirements of this trial, voluntarily participate in the clinical trial and sign the written informed consent form;

2. Healthy subjects aged 18-55 years (including the boundary value, subject to the time of signing the informed consent form), male or female;

3. Body mass index (BMI) within the range of 19 ~ 28 kg/m2 (including the critical value), male weight ≥ 50 kg, female weight ≥ 45 kg;

4. The subject has no plans to give birth, sperm or egg donation from the signing of the informed consent form to 90 days after medication, and voluntarily takes medically approved contraceptive measures (including his partner)

Exclusion Criteria

1. Patients who have taken any clinical trial drugs or participated in any drug clinical trial within 3 months before signing the ICF, or participated in other medical research activities, and are not suitable for participating in this trial as judged by the investigator;

2. Previous or combined with the following diseases, cardiovascular disease [such as heart failure (such as fluid retention and edema), unstable ischemic heart disease, congestive heart failure poor control of coronary artery disease, myocardial infarction, long QT syndrome history, etc.], respiratory, renal, neurological, endocrine, immune, skin, gastrointestinal (such as gastrointestinal ulcers or gastrointestinal bleeding, etc.), liver or blood system and other diseases/abnormal history, the investigators judge that their participation in this trial may affect the safety of subjects or affect the analysis of study results;

3. Patients with the following mental illness: 1) Uncontrolled/unstable major depressive disorder (MDD) or other serious mental disorders (such as schizophrenia, bipolar disorder or other serious mood or anxiety disorders) within 2 years before screening; 2) Suicide attempt or suicidal behavior 30 times before screening; 3) Suicidal ideation corresponding to Columbia-Suicide Severity Rating Scale (C-SSRS) category 4 or 5 in the past 30;

4. Known hypersensitivity, immune reaction or intolerance to CPD704 Inhalation Suspension or any of the excipients in the drug product (polysorbate 80, sodium chloride, sodium citrate dihydrate, disodium edetate, sodium hydroxide or hydrochloric acid) and/or unsuitable for treatment with CPD704 Inhalation Suspension;

5. Long-term oral drugs can not be stopped or suffering from gastric ulcer, gastritis affecting oral activated charcoal, or allergic to activated charcoal;

6. Patients with severe infection, trauma or major surgery before signing the ICF, or planning to undergo surgery during the trial;

7. Use of any live vaccines (except influenza vaccine) within 28 days before signing the ICF or plan to receive vaccines during the study;

8. Blood loss or blood donation of more than 400 mL within 3 months before signing the ICF (excluding female menstrual blood loss), or intend to donate blood during the trial or within 1 month after the end of the trial;

9. Smokers or those who smoke more than 5 cigarettes per day within 3 months before signing the ICF, or those who cannot comply with the provisions of prohibiting smoking during the trial, or those who test positive for urine cotinine;

10. Pulmonary ventilation function test Forced expiratory volume in the first second (FEV1) measured value/FEV1 predicted value ≤ 80% or forced vital capacity (FVC) ≤ 80% of predicted value or any other clinically significant abnormalities;

11. Use of any drugs that inhibit or induce hepatic drug-metabolizing enzymes within 28 days before signing the ICF; or use of any prescription drugs, over-the-counter drugs, Chinese herbal medicines or health products within 14 days before signing the ICF. If the half-life of concomitant drugs is increased, the required time interval should be at least 5 half-lives of the drug;

12. Excessive consumption of tea, coffee or caffeinated beverages (an average of more than 8 cups per day, 250 mL per cup) within 6 months before signing the ICF;

13. Consumption of any grapefruit, caffeine-containing beverages or foods (such as grapefruit juice, coffee, strong tea, chocolate, caffeine-containing carbonated beverages, cola, cocoa, etc.) within 48 hours before the first dose;

14. Those who have special requirements for diet and cannot abide by the unified diet;

15. Unwilling or unable to tolerate multiple venipuncture or difficult venous blood sampling or a history of fainting;

16. Previous history of drug abuse/drug use, or drug abuse screening (including tetrahydrocannabinolic acid, morphine, ketamine, methamphetamine, benzodiazepine, cocaine) results were positive;

17. Regular drinking within 6 months before signing the ICF [i.e., women drink more than 14 standard units of alcohol per week, men drink more than 21 standard units of alcohol per week (1 standard unit contains 14 g of alcohol, such as 360 mL of beer or 45 mL of 40% alcohol or 150 mL of wine)] or can not abstain from alcohol during the trial; or positive breath alcohol test;

18. The results of physical examination, vital signs examination, ECG, laboratory tests (blood routine, blood biochemistry, coagulation function, thyroid function, urine routine, stool routine, etc.), chest X-ray, abdominal B ultrasound examination during the screening period are judged by the study doctor as abnormal and clinically significant;

19. Abnormal ECG findings during the screening period, such as bradycardia or tachycardia (heart rate < 50 bpm or > 100 bpm), QTc prolongation (QTcF interval ≥ 450 ms in males and ≥ 470 ms in females, corrected according to Fridericia's formula), arrhythmia, etc., and clinically significant as judged by the investigator;

20. Patients with positive results of any test of hepatitis B surface antigen (HbsAg), hepatitis C virus antibody (HCV-Ab), treponema pallidum antibody (Syphilis TP) and human immunodeficiency virus test (HIV-Ag/Ab) during the screening period;

21. Pregnant or lactating women, or positive blood pregnancy test results;

22. Unwilling or unable to correctly use the nebulizer according to the nebulizer instructions Inhalation of investigational drugs or nebulizer use training failed;

23. Any other condition that, in the opinion of the investigator, would make participation in the study inappropriate.

• Minimum Eligible Age: 18 Years
• Maximum Eligible Age: 55 Years
• Eligible Sex: ALL
• Accepts Healthy Volunteers: Yes

Sponsors

Beijing Tide Pharmaceutical Co., Ltd

INDUSTRY

Sponsor Role: lead

Responsible Party

Responsibility Role: SPONSOR

Locations

China-Japan Friendship Hospital

Beijing, Beijing Municipality, China

Site Status: RECRUITING

Countries

China

Central Contacts

Yanru Yanru

Role: CONTACT

Phone: +8618210654987

Email: yanru.yan@cplabpharma.com

Facility Contacts

Jintong Li

Role: primary

Other Identifiers

CPX201-I-01

Identifier Type: -

Identifier Source: org_study_id