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A Clinical Study of TQC3721 Inhalation Powder in Patients With Chronic Obstructive Pulmonary Disease

Phase I Clinical Study on the Safety, Tolerability, and Pharmacokinetic/Pharmacodynamic Characteristics of Single/Multiple Dose Escalation of TQC3721 Inhalation Powder in Patients With Chronic Obstructive Pulmonary Disease

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT06748079
Enrollment
113
Registered
2024-12-24
Start date
2024-12-03
Completion date
2026-08-07
Last updated
2026-08-11

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Chronic Obstructive Pulmonary Disease (COPD)

Brief summary

This is a randomized, double-blind, placebo-controlled, dose escalation, multicenter study design. The purpose is to evaluate the safety, tolerability, pharmacokinetics, and pharmacokinetic characteristics of TQC3721 inhalation powder in Chronic Obstructive Pulmonary Disease(COPD) patients with single/multiple dose escalation.

Interventions

TQC3721 is a target inhibitor.

Placebo without drug substance.

DRUGTQC3721 inhalation powder combined with glyberlam inhalation powder or a control group

TQC3721 is a target inhibitor

Sponsors

Chia Tai Tianqing Pharmaceutical Group Co., Ltd.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
TRIPLE (Subject, Caregiver, Investigator)

Eligibility

Sex/Gender
ALL
Age
40 Years to 75 Years
Healthy volunteers
No

Inclusion criteria

1. Age: 40-75 years old, male or female; 2. During screening, according to the Global Oceanographic Library for Discovery (GOLD)guidelines (2024), patients diagnosed with stable moderate to severe COPD should have Force Expiratory Volume in 1 second (FEV1)/ forced vital capacity (FVC)\<0.7 after inhaling bronchodilators; 40% ≤ FEV1 accounts for ≤ 80% of the expected value; 3. When screening, after inhaling salbutamol aerosol for 4 times, there is a certain reversibility in the airway: the absolute value of FEV1 improves by more than 100ml; 4.1Applicable to Part 1: Being able to adjust the current COPD treatment or for COPD patients with initial treatment, prescribed bronchodilators, including Long-acting Muscarinic Antagonists (LAMA) and/or Long-acting β2-agonist (LABA) inhaled drugs, can be discontinued during the screening period after signing the informed consent form; 4.2 Applicable to Part 2: Being able to adjust the current COPD treatment or for COPD patients with initial treatment,LAMA inhaled drugs can be used during the lead-in period after signing the informed consent form; 5.The subject is able to discontinue Short acting Beta agonists (SABA) for at least 6 hours and Short acting Anticholinergic Agents (SAMA) for at least 8 hours; 6.Smoking history ≥ 10 pack years (pack years: number of packs per day multiplied by smoking years); 7.There is no evidence to suggest active respiratory and/or cardiovascular diseases other than COPD in clinical practice (such as uncontrolled hypertension); 8.No other related lung diseases or history of thoracic surgery; 9.The subjects were able to undergo reproducible FEV1 lung function testing according to the ATS/ERS 2005 standard during screening; 10. Body mass index (BMI) is between 18-30kg/m2; 11.Participants must agree to use contraceptive methods (such as birth control pills, condoms, or intrauterine devices) with sexual partners of childbearing age during the clinical trial period (screening period to 30 days after the last dose); 12) The subject is able to use a dry powder inhaler correctly for inhalation. 13) I have fully understood this study and voluntarily participated. I have signed the 'Informed Consent Form'.

Exclusion criteria

1 . History or current clinical instability of heart, respiratory, endocrine, metabolic, renal, liver, gastrointestinal, skin, infection, blood system, nervous system, or neurological/psychiatric disorders/abnormalities; 2. The result of the human immunodeficiency virus (HIV) antibody test is positive; The result of hepatitis B surface antigen (HBsAg) test is positive (if HBsAg is positive, Hepatitis B virus deoxyribonucleic acid (HBV-DNA) should be checked if necessary, and if HBV-DNA\<Lower Limit of Quantification (LLOQ), it does not need to be excluded); Hepatitis C virus (HCV) antibody positive and confirmed presence of HCV ribonucleic acid (RNA); Positive for Treponema pallidum antibody (TPPA); 3. Have a history of illegal drug abuse in the past; 4. Have participated in other clinical trials and received the investigational drug within 3 months prior to participating in this trial, or within 5 half lives of the investigational drug, whichever is shorter; 5. Those who have lost blood or donated more than 400 mL of blood within 2 months before the experiment; 6. Have any clear and severe history of drug or food allergies, especially those who are allergic to ingredients similar to the investigational drug; 7. Drinking history (drinking 14 units of alcohol per week: 1 unit=285 ml of beer; or 25 ml of spirits; or 1 glass of wine); 8. History of malignant tumors in any organ system within the past 5 years, regardless of whether treatment has been received or not, except for local basal cell carcinoma of the skin; 9. Lower respiratory tract infection occurred within 6 weeks before screening or randomization. Upper respiratory tract infections requiring antibiotics within 6 weeks prior to screening or randomization; 10. Have a history of active tuberculosis, bronchiectasis, asthma or other non-specific lung diseases. 11\. QTcF (corrected QT interval, Fridericia formula QT \[msec\]/RR \[s\]) interval, male\>450ms, female\>470ms, or history of long QT syndrome before screening or randomization; 12. Subjects with a history of drug use in the past 2 years; 13. Subjects who are unable to comply with past medication and concomitant medication restrictions; 14. If there is a history of acute exacerbation of COPD within 3 months before screening or randomization, hospitalization or additional COPD maintenance treatment is required. Over the past three years, the average number of frequent exacerbations of COPD with moderate to severe severity has been ≥ 2 per year, or resulting in hospitalization for ≥ 2 acute exacerbations per year; 15. Oral non selective beta blockers; 16. Previously treated with TQC3721 suspension. 17. Any situation that researchers believe may pose safety risks to subjects in the trial or may interfere with the conduct of this study, or where researchers believe that subjects may not be able to complete this study or may not be able to comply with the requirements of this study (due to management or other reasons).

Design outcomes

Primary

MeasureTime frameDescription
Adverse events (AE)21 daysIncidence of adverse events (AE)
Serious Adverse Events (SAE)21 daysIncidence of Serious Adverse Events (SAE)
Treatment-emergent adverse events (TEAEs)19 daysIncidence of treatment-emergent adverse events (TEAEs)

Secondary

MeasureTime frameDescription
Plasma drug peak concentration9 daysPlasma drug peak concentration after administration.
COPD Assessment Tes (CAT) scoresFrom day 1 to day 11 or end of treatment, whichever came firstCAT score after administration. The score range is 0 to 40 points (0 to 10 is minor influence; 11 to 20 are moderate; 21 to 30 are classified as severe impact; 31 to 40 is very severe).
PD indices: Pulmonary function test parametersFrom D-1 to End of Treatment(EOT).CAT scores of COPD patients after multiple doses of TQC3721 DPI
Serum and sputum inflammatory cellsFrom D-1 to D11 or End of EOT)Changes in inflammatory cells in serum and sputum following treatment

Countries

China

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Aug 12, 2026