Phase I Study of CPD704 Inhalation Suspension in Healthy Subjects

NCT07301203 | Recruiting Phase 1

• 1 other identifier: CPX201-I-01
• Study Type: interventional
• Target: 90
• Locations: 1 country
• Sites: 1

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.

Conditions

Healthy; Healthy Participants

Keywords

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

Outcome Measures

Primary Outcomes (1)

• Safety outcomes

  Number of participants with treatment-emergent adverse events as assessed by CTCAE v5.0.

  From the date of informed consent signature until Day 7 for SAD group(Day 14 for SAD 3mg group) and Day 11 for MAD Group.

Secondary Outcomes (6)

• Pharmacokinetic (PK) endpoints

  During the period starting 60 minutes before initial drug administration through to 48hours after first dose

• Pharmacokinetic (PK) endpoints

  During the period starting 60 minutes before initial drug administration through to 48hours after last dose

• Pharmacokinetic (PK) endpoints

  During the period starting 60 minutes before initial drug administration through to 48hours after last dose

• Pharmacokinetic (PK) endpoints

  During the period starting 60 minutes before initial drug administration through to 48hours after last dose

• Pharmacokinetic (PK) endpoints

  During the period starting 60 minutes before initial drug administration through to 48hours after last dose

Other Outcomes (2)

• QTcF interval

  From 60 minutes prior to first dose until 12 hours of first dose.

• Metabolites and excretion pathways

  only applicable for SAD 3mg cohort, From 60 minutes prior to first dose until 48Hours of last dose.

Study Arms (9)

SAD 0.5mg

OTHER

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

Drug: CPD704 Inhalation Suspension

SAD 1.5mg

OTHER

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.

Drug: CPD704 Inhalation Suspension; Other: CPD704 placebo

SAD 3mg

OTHER

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.

Drug: CPD704 Inhalation Suspension; Other: CPD704 placebo

SAD 6mg

OTHER

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.

Drug: CPD704 Inhalation Suspension; Other: CPD704 placebo

SAD 9mg

OTHER

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.

Drug: CPD704 Inhalation Suspension; Other: CPD704 placebo

SAD 12mg

OTHER

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..

Drug: CPD704 Inhalation Suspension; Other: CPD704 placebo

MAD 1.5mg

OTHER

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.

Drug: CPD704 Inhalation Suspension; Other: CPD704 placebo

MAD 3mg

OTHER

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.

Drug: CPD704 Inhalation Suspension; Other: CPD704 placebo

MAD 6mg

OTHER

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.

Drug: CPD704 Inhalation Suspension; Other: CPD704 placebo

Interventions

CPD704 Inhalation Suspension DRUG

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

MAD 1.5mg; MAD 3mg; MAD 6mg; SAD 0.5mg; SAD 1.5mg; SAD 12mg; SAD 3mg; SAD 6mg; SAD 9mg

CPD704 placebo OTHER

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

MAD 1.5mg; MAD 3mg; MAD 6mg; SAD 1.5mg; SAD 12mg; SAD 3mg; SAD 6mg; SAD 9mg

Eligibility Criteria

• Age: 18 Years - 55 Years
• Sex: all
• Healthy Volunteers: Yes
• Age Groups: Adult (18-64)

You may qualify if:

• 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;
• Healthy subjects aged 18-55 years (including the boundary value, subject to the time of signing the informed consent form), male or female;
• Body mass index (BMI) within the range of 19 \~ 28 kg/m2 (including the critical value), male weight ≥ 50 kg, female weight ≥ 45 kg;
• 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)

You may not qualify if:

• 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;
• 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;
• 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;
• 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;
• Long-term oral drugs can not be stopped or suffering from gastric ulcer, gastritis affecting oral activated charcoal, or allergic to activated charcoal;
• Patients with severe infection, trauma or major surgery before signing the ICF, or planning to undergo surgery during the trial;
• Use of any live vaccines (except influenza vaccine) within 28 days before signing the ICF or plan to receive vaccines during the study;
• 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;
• 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;
• 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;
• 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;
• 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;
• 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;
• Those who have special requirements for diet and cannot abide by the unified diet;
• Unwilling or unable to tolerate multiple venipuncture or difficult venous blood sampling or a history of fainting;

Sponsors & Collaborators

• Beijing Tide Pharmaceutical Co., Ltd: lead

Study Sites (1)

China-Japan Friendship Hospital

Beijing, Beijing Municipality, 100020, China

RECRUITING

Central Study Contacts

Yanru Yanru

CONTACT

+8618210654987; yanru.yan@cplabpharma.com

Study Design

• Study Type: interventional
• Phase: phase 1
• Allocation: RANDOMIZED
• Masking: QUADRUPLE
• Who Masked: PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
• Purpose: PREVENTION
• Intervention Model: SEQUENTIAL
• Sponsor Type: INDUSTRY
• Responsible Party: SPONSOR

Study Record Dates

• First Submitted: November 19, 2025
• First Posted: December 24, 2025
• Study Start: October 21, 2025
• Primary Completion (Estimated): June 8, 2026
• Study Completion (Estimated): July 18, 2026
• Last Updated: December 24, 2025

Record last verified: 2025-09

Locations

CN (1)