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A Phase II Clinical Trial of TQC3721 Suspension for Inhalation

Phase 2
Terminated
Conditions
Chronic Obstructive Pulmonary Disease (COPD)
Interventions
Drug: TQC3721 suspension for inhalation
Drug: TQC3721 suspension placebo for inhalation
Registration Number
NCT05292196
Lead Sponsor
Chia Tai Tianqing Pharmaceutical Group Co., Ltd.
Brief Summary

TQC3721 suspension for inhalation is a PDE3/4 inhibitor developed by Chia Tai Tianqing Pharmaceutical Group Co., LTD., which can simultaneously achieve bronchial smooth muscle relaxation and anti-inflammatory effects. This is a randomized, double-blind, placebo-parallel, phase II trial of the efficacy and safety of inhaled TQC3721 suspension/placebo at different doses in patients with moderate to severe chronic obstructive pulmonary disease. Objective To evaluate the efficacy, safety and tolerability of TQC3721 inhalation suspension in the treatment of moderate to severe Chronic Obstructive Pulmonary Disease (COPD).

Detailed Description

Not available

Recruitment & Eligibility

Status
TERMINATED
Sex
All
Target Recruitment
59
Inclusion Criteria
  • 1 Sign the informed consent form before the trial, fully understand the content, process and possible adverse reactions of the test;
  • 2 Capable of using the study nebulizer correctly and complying with all study restrictions and procedures;
  • 3 Aged between 18 and 75 years old, both men and women;
  • 4 Body mass index(BMI)=weight (kg)/height 2 (m2), BMI is 18-28 kg/m2 (including the critical value) and body weight is ≥45kg;
  • 5 Subjects have no pregnancy plan and have voluntarily taken effective contraceptive measures for at least 1 month after being screened to the last use of the study drug;
  • 6 12-lead electrocardiogram with QT interval corrected ≤450 msec (males) or ≤470 msec (females), QRS interval ≤120 msec, PR interval ≤200 msec and no morphologic and other clinical significant abnormalities that the investigator considered inappropriate for the study;
  • 7 Ability to perform acceptable and reproducible spirometry;
  • 8 Patients previously treated with LAMA or LABA who had evidence of stable use for at least 3 months prior to screening and agreed to continue use during the study period;
  • 9 Capable of withholding LAMA or LABA( Twice-Daily maintenance LAMA or LABA for at least 24 hours and Once-Daily maintenance LAMA or LABA for at least 48 hours) and SAMA、SABAs(at least 4 hours)prior to initiation of any spirometry;
  • 10 According to the 2020 GOLD Guidelines, Post-bronchodilator spirometry at screening must demonstrate FEV1/FVC ratio of ≤0.70 and FEV1 must be ≥30 % to ≤80% of predicted normal;
  • 11 Current or former cigarette smokers with a history of cigarette smoking ≥10 pack years (eg, 20 cigarettes per day for 10 years, or 10 cigarettes per day for 20 years, former cigarette smokers should stop smoke at least 6 months before visit 1).
Exclusion Criteria
  • 1 Intolerance to salbutamol or this product.
  • 2 ≥1 hospitalization for COPD treatment within 6 months prior to screening.
  • 3 Antibiotic treatment for lower respiratory tract infection within 3 months prior to screening.
  • 4 Use of prohibited medications within the time intervals.
  • 5 Patients who were currently diagnosed with asthma, active tuberculosis, lung cancer and other active lung diseases and were considered unsuitable for the study.
  • 6 Previous lung resection or lung reduction surgery.
  • 7 Pulmonary rehabilitation, unless such treatment has been stable from 4 weeks prior to Screening and remains stable during the study.
  • 8 A history of drug or alcohol abuse in the past 3 years (14 units of alcohol consumed per week: 1 unit =360 ml of beer or 45 ml of 40% alcohol spirits or 150 ml of wine).
  • 9 Have participated in a clinical trial within one month prior to screening or within 5 half-lives of the investigational drug, whichever is the longer.
  • 10 Women who are breast-feeding.
  • 11 A history of myocardial infarction, congestive heart failure, and unstable or uncontrolled hypertension (systolic blood pressure ≥160mmHg and diastolic blood pressure ≥100mmHg after drug control) within 6 months prior to screening.
  • 12 History of malignancy of any organ system, treated or untreated within the past 5 years, with the exception of localised basal cell carcinoma of the skin.
  • 13 Alanine aminotransferase (ALT) or aspartate aminotransferase(AST)≥ 2 x upper limit of normal (ULN), or other abnormal test results were deemed unsuitable for inclusion by the investigator.
  • 14 Required use of oxygen therapy, even on an occasional basis.
  • 15 Other conditions that the investigator considered inappropriate for participation in the study.

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
TQC3721 suspension for inhalationTQC3721 suspension for inhalationTQC3721 suspension for inhalation, four weeks as a treatment cycle.
TQC3721 suspension placebo for inhalationTQC3721 suspension placebo for inhalationTQC3721 suspension placebo for inhalation, four weeks as a treatment cycle.
Primary Outcome Measures
NameTimeMethod
The peak of Forced Expiratory Volume(FEV1)From the enrollment of the subjects to four weeks after administration

Change of the maximum value of FEV1 was determined from baseline to 30minute, 1hour, 2hour and 3hour after medication at week four

Secondary Outcome Measures
NameTimeMethod
Morning trough FEV1From the enrollment of the subjects to four weeks after administration

The FEV1 was determined before administration

COPD Assessment Test (CAT)From enrollment to four weeks after administration

Mean Change From Baseline in COPD Assessment Test (CAT) Scoring at Week four. The score range is zero to Fourty points (zero to ten is minor influence; eleven to twenty are moderate; twenty one to thirty are classified as severe impact; thirty one to forty is very severe), and more than ten is more symptoms.

Incidence of adverse events associated with the study drugfrom baseline to four weeks after administration

Incidence of adverse events associated with the study drug as assessed by CTCAE V5.0

Rescue medicationFrom baseline to four weeks after administration

Frequency of Rescue medication use during the study

Number of adverse events related to the study drugfrom baseline to four weeks after administration

The number of adverse events associated with the study drug assessed by CTCAE V5.0

Average FEV1From the enrollment of the subjects to four weeks after administration

Average FEV1 twelve hours after administration

Incidence of adverse eventsfrom baseline to four weeks after administration

The Incidence of adverse events as assessed by CTCAE (Common Terminology Criteria for Adverse Events) v5.0

Trial Locations

Locations (11)

The First Affiliated Hospital of Chongqing Medical University

🇨🇳

Chongqing, Chongqing, China

Gansu Provincial Hospital

🇨🇳

Lanzhou, Gansu, China

The Affiliated Hospital of Guangdong Medical University

🇨🇳

Zhanjiang, Guangdong, China

The Fourth Affiliated Hospital of Harbin Medical University

🇨🇳

Ha'erbin, Heilongjiang, China

The Affiliated Hospital of Xuzhou Medical University

🇨🇳

Xuzhou, Jiangsu, China

Northern Jiangsu People's Hospital

🇨🇳

Yangzhou, Jiangsu, China

The First Affiliated Hospital of Nanchang University

🇨🇳

Nanchang, Jianxi, China

The First Hospital of Jilin University

🇨🇳

Changchun, Jilin, China

The First Affiliated Hospital of China Medical University

🇨🇳

Shenyang, Liaoning, China

West China Hospital of Sichuan University

🇨🇳

Chengdu, Sichuan, China

Mianyang Central Hospital

🇨🇳

Mianyang, Sichuan, China

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