NCT06829784

Brief Summary

This study is a multicenter, randomized, double-blind, parallel-group, placebo-controlled Phase III clinical trial designed to evaluate the efficacy and safety of TQC2731 injection (420 mg Q4W) in adult subjects with inadequately controlled severe asthma. A total of 660 subjects are expected to be enrolled, with subjects randomized in a 1:1 ratio to receive either TQC2731 (420 mg Q4W) or placebo (Q4W) via subcutaneous (SC) administration.

Trial Health

77
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
660

participants targeted

Target at P75+ for phase_3 asthma

Timeline
13mo left

Started Mar 2025

Typical duration for phase_3 asthma

Geographic Reach
1 country

74 active sites

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress51%
Mar 2025Jun 2027

First Submitted

Initial submission to the registry

February 12, 2025

Completed
5 days until next milestone

First Posted

Study publicly available on registry

February 17, 2025

Completed
1 month until next milestone

Study Start

First participant enrolled

March 21, 2025

Completed
2.2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 1, 2027

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

June 1, 2027

Last Updated

April 1, 2025

Status Verified

November 1, 2024

Enrollment Period

2.2 years

First QC Date

February 12, 2025

Last Update Submit

March 30, 2025

Conditions

Outcome Measures

Primary Outcomes (1)

  • Annualized incidence of asthma exacerbations

    Annualized incidence of asthma exacerbations (AAER) during the 52-week treatment period.

    From the first day of dosing to the completion of 52 weeks of treatment

Secondary Outcomes (15)

  • The change in forced expiratory volume in 1 second (FEV1)

    Week 52 before dosing and before the use of bronchodilators (pre-Bronchodilator (pre-BD) administration)

  • Change in total score of standardized asthma quality of life questionnaire

    From baseline to week 52

  • Change in Asthma Control Questionnaire-6 (ACQ-6) score

    From baseline to week 52

  • Mean change in weekly mean asthma symptom diary score

    From baseline to week 52

  • Change in European Quality of Life 5 Dimensions 5 Level (EQ-5D-5L) Questionnaire score

    From baseline to week 52

  • +10 more secondary outcomes

Study Arms (2)

TQC2731 injection

EXPERIMENTAL

TQC2731 injection, 4 weeks as a treatment cycle. Study drug administration from Day 0 up to Week 48.

Drug: TQC2731 injection

Placebo

PLACEBO COMPARATOR

Placebo,4 weeks as a treatment cycle.Study drug administration from Day 0 up to Week 48.

Drug: Placebo

Interventions

TQC2731 injection can specifically bind to the Thymic Stromal Lymphopoietin (TSLP) protein, blocking TSLP-dependent downstream signaling expression in engineered cells and inhibiting the production of inflammatory cytokines.

TQC2731 injection

Placebo without drug substance.

Placebo

Eligibility Criteria

Age18 Years - 75 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Sign the informed consent form before the trial to fully understand the purpose, process and possible adverse reactions of the trial;
  • Age 18 \~ 75 years old, gender is not limited;
  • Documented physician diagnosis of asthma at least 12 months prior to Visit 1;
  • Subjects who received high-dose Inhaled Corticosteroids (ICS) in asthma control medications prescribed by their physicians at least 6 months prior to Visit 1;
  • There must be a record of receiving a stable total daily dose of ICS at least 3 months prior to visit 1;
  • There must be a record of the use of other asthma control medications at a stable dose at least 3 months prior to visit 1; For subjects taking maintenance oral hormones, the dose of oral hormones is up to 10mg prednisone per day or 20mg every other day (or equivalent) and must be stable for at least 30 days prior to visit 1 and during treatment.
  • Documented at least 2 asthma exacerbations in the 12 months prior to Visit 1 and no major asthma exacerbation events in the 1 month prior to signing informed.

You may not qualify if:

  • Have a clinically significant lung disease other than asthma;
  • Pre-existing autoimmune disease;
  • A history of known or suspected immunosuppression, including a history of invasive opportunistic infections;
  • Any disease that has not been determined to be stable by the investigator;
  • Cancer history: Patients with basal cell carcinoma, skin localized squamous cell carcinoma, or cervical carcinoma in situ are eligible to be enrolled in this study if they had completed curative therapy for at least 12 months prior to visit 1. Patients with other malignancies who had completed curative treatment for at least 5 years prior to visit 1 could be enrolled in the study.
  • Current smoker or smoking history ≥10 pack-years (former smokers with smoking history \<10 pack-years had quit smoking less than 6 months before interview 1);
  • Other factors determined by the investigator that subjects were not suitable to participate in the study.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (74)

The People's Hospital of Bozhou

Bozhou, Anhui, 236000, China

NOT YET RECRUITING

Anhui Chest Hoispital

Hefei, Anhui, 230022, China

NOT YET RECRUITING

The First Affiliated Hospital of Chongqing Medical University

Chongqing, Chongqing Municipality, 400010, China

NOT YET RECRUITING

The First Affiliated Hospital of Xiamen University

Xiamen, Fujian, 361000, China

NOT YET RECRUITING

Lanzhou University Second Hospital

Lanzhou, Gansu, 730000, China

NOT YET RECRUITING

The First Hospital of Lanzhou University

Lanzhou, Gansu, 730000, China

NOT YET RECRUITING

Guangdong Provincial Hospital of Traditional Chinese Medicine

Guangzhou, Guangdong, 510120, China

NOT YET RECRUITING

Guangzhou First People's Hospital

Guangzhou, Guangdong, 510180, China

NOT YET RECRUITING

Third People's Hospital of Huizhou

Huizhou, Guangdong, 516002, China

NOT YET RECRUITING

Zhongshan City People's Hospital

Zhongshan, Guangdong, 528403, China

NOT YET RECRUITING

The Affiliated Hospital of Medical University

Guilin, Guangxi, 541000, China

NOT YET RECRUITING

Guizhou Provincial People's Hospital

Guiyang, Guizhou, 550000, China

NOT YET RECRUITING

Cangzhou Hospital of Integrated TCM-WM·Hebei

Cangzhou, Hebei, 061000, China

NOT YET RECRUITING

Xingtai People's Hospital

Xingtai, Hebei, 054001, China

NOT YET RECRUITING

Da Qing Long Nan Hospital

Daqing, Heilongjiang, 163453, China

NOT YET RECRUITING

The Fourth Affiliated Hospital of Harbin Medical University

Harbin, Heilongjiang, 150001, China

NOT YET RECRUITING

Qiqihar First People's Hospital

Qiqihar, Heilongjiang, 161000, China

NOT YET RECRUITING

The Second People's Hospital of Jiaozuo City

Jiaozuo, Henan, 454001, China

NOT YET RECRUITING

Luo Yang Dong Fang People's Hospital

Luoyang, Henan, 471003, China

NOT YET RECRUITING

Zhoukou Central hospital

Zhoukou, Henan, 466000, China

NOT YET RECRUITING

The Central Hospital of Wuhan

Wuhan, Hubei, 430000, China

NOT YET RECRUITING

Changsha Central Hospital

Changsha, Hunan, 410000, China

NOT YET RECRUITING

Hunan Provincial People's Hospital (The First Affiliated Hospital of Hunan Normal University)

Changsha, Hunan, 410021, China

NOT YET RECRUITING

Loudi central hospital

Loudi, Hunan, 417000, China

NOT YET RECRUITING

Baotou Central Hospital

Baotou, Inner Mongolia, 014040, China

NOT YET RECRUITING

The First Affiliated Hospital of Baotou Medical College, Inner Mongolia University of Science and Technology

Baotou, Inner Mongolia, 14000, China

NOT YET RECRUITING

Chifeng Municipal Hospital

Chifeng, Inner Mongolia, 024099, China

NOT YET RECRUITING

The Affiliated Hospital of Inner Mongolia Medical University

Hohhot, Inner Mongolia, 100000, China

NOT YET RECRUITING

Inner Mongolia Autonomous Region People's Hospital

Hohhot, Inner Mongolia, 100017, China

NOT YET RECRUITING

The Second People Hospital's of Lianyungang

Lianyungang, Jiangsu, 222006, China

NOT YET RECRUITING

Jiangsu Provincial People's Hospital

Nanjing, Jiangsu, 210029, China

NOT YET RECRUITING

The Affiliated Hospital of Xuzhou Medical University

Xuzhou, Jiangsu, 221000, China

NOT YET RECRUITING

Xuzhou Central Hospital

Xuzhou, Jiangsu, 221000, China

NOT YET RECRUITING

Northern Jiangsu People's Hospital

Yangzhou, Jiangsu, 225001, China

NOT YET RECRUITING

Jiangsu University Affiliated Hospital

Zhenjiang, Jiangsu, 212001, China

NOT YET RECRUITING

The First Affiliated Hospital of Nanchang University

Nanchang, Jiangxi, 330038, China

NOT YET RECRUITING

Pingxiang People's Hospital

Pingxiang, Jiangxi, 337055, China

NOT YET RECRUITING

Jilin University Second Hospital

Changchun, Jilin, 130000, China

NOT YET RECRUITING

The First Hospital of Jlin University

Changchun, Jilin, 130000, China

NOT YET RECRUITING

Gansu Provincial Hospital

Gansu, Lanzhou, 730000, China

NOT YET RECRUITING

Dalian Municipal Central Hospital

Dalian, Liaoning, 116021, China

NOT YET RECRUITING

Genertec Liaoyou Gem Flower Hospital

Panjin, Liaoning, 124000, China

NOT YET RECRUITING

Shengjing Hospital of China Medical University

Shenyang, Liaoning, 110000, China

NOT YET RECRUITING

People's Liberation Army North Theater General Hospital

Shenyang, Liaoning, 130012, China

NOT YET RECRUITING

The First People's Hospital of Yinchuan

Yinchuan, Ningxia, 750001, China

NOT YET RECRUITING

The First Affiliated Hospital of Xi'an Jiaotong University

Xi'an, Shaanxi, 710000, China

NOT YET RECRUITING

The First Affiliated Hospital of Xi'an Medical Universi

Xi'an, Shaanxi, 710000, China

NOT YET RECRUITING

The Second Affiliated Hospital of Xi'an Jiaotong University

Xi'an, Shaanxi, 710000, China

NOT YET RECRUITING

Xi'an International Medical Center Hospital

Xi'an, Shaanxi, 710000, China

NOT YET RECRUITING

Heze Municipal Hospital

Heze, Shandong, 274031, China

NOT YET RECRUITING

Affiliated Hospital of Jining Medical Hospital

Jining, Shandong, 272000, China

NOT YET RECRUITING

Weifang NO.2 People's Hospital

Weifang, Shandong, 261041, China

NOT YET RECRUITING

Yantai Yuhuangding Hospital

Yantai, Shandong, 264099, China

NOT YET RECRUITING

Zaozhuang Municipal Hospital

Zaozhuang, Shandong, 277000, China

NOT YET RECRUITING

Rui Jin Hospital Shanghai Jiaotong University School of Medical

Shanghai, Shanghai Municipality, 200025, China

NOT YET RECRUITING

Fudan University Affiliated Zhongshan Hospital

Shanghai, Shanghai Municipality, 200032, China

NOT YET RECRUITING

Shanghai General Hospital

Shanghai, Shanghai Municipality, 200080, China

NOT YET RECRUITING

Shanghai Pudong Hospital, Fudan University Affiliated Pudong Medical Center

Shanghai, Shanghai Municipality, 200120, China

NOT YET RECRUITING

Shanghai Tongren Hospital

Shanghai, Shanghai Municipality, 200336, China

NOT YET RECRUITING

Wusong Central Hospital, Baoshan District, Shanghai

Shanghai, Shanghai Municipality, 200940, China

RECRUITING

Shanxi Bethune Hospital

Taiyuan, Shanxi, 030032, China

NOT YET RECRUITING

Yangquan Coal Industry Group General Hospital

Yangquan, Shanxi, 45000, China

NOT YET RECRUITING

Suining Central Hospital

Suining, Sichuan, 629000, China

NOT YET RECRUITING

Tianjin Medical University General Hospital

Tianjin, Tianjin Municipality, 300052, China

NOT YET RECRUITING

Tianjin 4th Center Hospital

Tianjin, Tianjin Municipality, 300140, China

NOT YET RECRUITING

The First Affiliated Hospital of Shihezi University

Shihezi, Xinjiang, 832008, China

NOT YET RECRUITING

First Affiliated Hospital of Xinjiang Medical University

Ürümqi, Xinjiang, 830000, China

NOT YET RECRUITING

Xinjiang Uiger Municipal People'S Hospital

Ürümqi, Xinjiang, 830000, China

NOT YET RECRUITING

The First People's Hospital of Yunnan Province

Kunming, Yunnan, 650000, China

NOT YET RECRUITING

The People's Hospital of Yuyao

Yuyao, Zhejaing, 315400, China

NOT YET RECRUITING

Jinhua Municipal Central Hospital

Jinhua, Zhejiang, 321000, China

NOT YET RECRUITING

The First Affiliated Hospital of Ningbo University

Ningbo, Zhejiang, 315020, China

NOT YET RECRUITING

Taizhou Central Hospital(Taizhou University Hospital)

Taizhou, Zhejiang, 318000, China

NOT YET RECRUITING

Wenzhou Medical University Affiliated Second Hospital

Wenzhou, Zhejiang, 325000, China

NOT YET RECRUITING

MeSH Terms

Conditions

Asthma

Condition Hierarchy (Ancestors)

Bronchial DiseasesRespiratory Tract DiseasesLung Diseases, ObstructiveLung DiseasesRespiratory HypersensitivityHypersensitivity, ImmediateHypersensitivityImmune System Diseases

Central Study Contacts

Jinping Zheng, Doctor

CONTACT

Qingling Zhang, Doctor

CONTACT

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

February 12, 2025

First Posted

February 17, 2025

Study Start

March 21, 2025

Primary Completion (Estimated)

June 1, 2027

Study Completion (Estimated)

June 1, 2027

Last Updated

April 1, 2025

Record last verified: 2024-11

Locations