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Clinical Trial Details — Status: Not yet recruiting

Administrative data

NCT number NCT06451640
Other study ID # TQC2731-II-03
Secondary ID
Status Not yet recruiting
Phase Phase 2
First received
Last updated
Start date June 2024
Est. completion date February 2026

Study information

Verified date January 2024
Source Chia Tai Tianqing Pharmaceutical Group Co., Ltd.
Contact Dehui Wang, Doctor
Phone 13701852008
Email wangdehuient@sina.com
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This study aims to evaluate the efficacy and safety of TQC2731 injection in the treatment of chronic sinusitis with nasal polyps.


Recruitment information / eligibility

Status Not yet recruiting
Enrollment 60
Est. completion date February 2026
Est. primary completion date May 2025
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - Subjects sign informed consent before study, fully understand the purpose, procedures and possible adverse reactions of the study; - Male and female, =18 years old; - Participate in the clinical study of TQC2731 for the treatment of chronic rhinosinusitis with nasal polyps (CRSwNP) (study number TQC2731-II-02) and meet the following criteria "a" or "b": a. Participants complete the prescribed treatment according to the protocol requirements and complete end of treatment (EOT) visits; b. The subject withdrew early due to poor compliance or other objective reasons other than TQC2731 related adverse events (AEs), and completed the early withdrawal visit according to the plan. After evaluation by the researcher and sponsor, the factors that led to the subject's early termination of the main study treatment have disappeared/no longer affect the subject's participation in this continuing study; - Subjects used steady dose of intranasal glucocorticoids (INCS) over 4 weeks before screening (subjects willing to use Mometasone Furoate Aqueous Nasal Spray (MFNS) while studying); - Subjects agree from sign informed consent to last administration over 6 mouth without Family planning,and take effective non-pharmaceutical contraception. Exclusion Criteria: - In the main study (TQC2731-II-02), SAE related to TQC2731 occurred, or TQC2731 treatment was terminated due to AE related to TQC2731. After discussion between the investigator and the sponsor, it was determined that the subject was not suitable to continue receiving TQC2731 treatment; - The subjects had poor compliance in the main study and were deemed unable to complete this continuing study by the researchers; - During the main study (TQC2731-II-02), any serious progression or poorly controlled comorbidities were found (such as asthma exacerbation requiring adjustment of background medication), and the main investigator determined that the subject was not suitable to participate in the trial; - Presence of conditions/concomitant diseases that affect the evaluation of efficacy, e.g. 1. Posterior nostril polyps; 2. Imaging suspected or confirmed fungal sinusitis; 3. Nasal polyp score(NPS) cannot be evaluated due to nasal surgery to alter the structure of the lateral nasal wall; 4. Subjects with nasal malignancies and benign tumors (papilloma, blood furuncle, etc.). - Any type of active malignancy or a history of malignancy (Patient with basal cell carcinoma, skin localized squamous cell carcinoma or carcinoma in situ of cervix, if curative treatment was completed for more than 12 months prior to visit 1 can join the study; Other malignant tumors can join the study if patients had completed curative therapy for at least 5 years prior to visit 1); - Active autoimmune disease; - Known or suspected history of immunosuppression, immune dysfunction, or immune dysfunction, including but not limited to invasive opportunistic infections, even if the infection has subsided; - Uncontrolled epistaxis occurred within 2 months before screening; - Infection requiring treatment with systemic antibacterial, antiviral, antifungal, antiparasitic, or antiparasitic agents occurred within 14 days before screening; - Helminth parasite infection was diagnosed within 24 weeks prior to screening and had not received or failed to respond to standard treatment; - Leukotriene antagonists/modulators were used while screening(using a stable dose of leukotriene modulator for =30 days before screening was accepted); - Regular use of decongestants (topical or systemic) before screening, short-term use for endoscopy excepted; - Patients who received any of the following treatments before screening: 1. Immunosuppressive therapy had been administered within the previous 8 weeks or five half-lives (whichever was longer), (including but not limited to cyclophosphamide, cyclosporine, interferon-?, azathioprine, methotrexate, mycophenolate mofetil and tacrolimus, etc.); 2. Monoclonal antibody therapy had been administered within the previous 8 weeks or five half-lives (whichever was longer), (Including but not limited to: benralizumab, mepolizumab, omalizumab, resveratrol, dupilumab, etc.); 3. Systemic glucocorticoids were used during the first 28 days; 4. Glucocorticoid-eluting nasal stents were used during the first 6 mouths; 5. Immune globulin or blood products therapy were used during the first 28 days; 6)Live attenuated vaccine was administered for the first 28 days or during the planned study period; 7)Received allergen specific immunotherapy 6 mouth before screening(if being treated at a stable dose and not expected to change during study,3 mouth before screening and 1 mouth before visit 1 were accepted); 8)Join any other study within 3 mouths. - Patients with concomitant asthma begin inhaled corticosteroid therapy within the first 4 weeks of the screening period (For patients who have been assessed to maintain a stable dose for at least 4 weeks prior to screening and whose dose has been maintained throughout the entire study period, inhaled corticosteroids can be administered at a dose of = 1000µ Fluticasone propionate or equivalent doses of other inhaled corticosteroids.); - Any infectious disease screening indicator that meets the following criteria during screening: 1. Active tuberculosis infection during screening; 2. Hepatitis B virus surface antigen (HBsAg) positive, or hepatitis B core antibody (HBcAb) positive and hepatitis B virus (HBV) DNA positive; 3. Anti-hepatitis C virus (Anti-HCV) positive and Hepatitis C virus ribonucleic acid (HCV-RNA) positive; 4. Positive Treponema pallidum antibody (Anti TP) (if the Treponema pallidum serological test is positive, further non treponema pallidum serological tests will be conducted, the latter being negative and judged by the researcher as a patient who has previously been infected with syphilis but has been cured and meets the inclusion criteria); 5. Positive for human immunodeficiency virus antibodies (Anti HIV); - Abnormal laboratory test results: 1. Aspartate aminotransferase (AST)>2.5 x upper limit of normal value (ULN); 2. Alanine aminotransferase (ALT)>2.5 x upper limit of normal value (ULN); 3. Creatinine>1.5 x ULN. - Pregnant or lactating women; - A history of or allergic reaction to Mometasone furoate nasal spray (Nasonex ®) or any component of TQC2731 injection; - A history of systemic allergy to any biologic drug(except local injection site reactions); - The subjects had poor compliance and were judged unable to complete the study; - Any clinically significant abnormal findings, including physical examination, vital signs, 12-lead electrocardiogram, blood biochemistry, blood routine or urine routine, and the researcher's judgment that participating in the trial may put the patient at risk, or may affect the study results or hinder the patient's ability to complete the entire study process.

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
210mg of TQC2731 injection
TQC2731 injection is a thymic stromal lymphopoietin (TSLP) monoclonal antibody.
420mg of TQC2731 injection
TQC2731 injection is a thymic stromal lymphopoietin (TSLP) monoclonal antibody.

Locations

Country Name City State
China Cangzhou Central Hospital Cangzhou Hebei
China The Third Xiangya Hospital of Central South University Changsha Hunan
China ChengDu Second People's Hospital Chengdu Sichuan
China Hospital of Chengdu University of TCM Chengdu Sichuan
China West China Hospital Chengdu Sichuan
China Affiliated Zhongshan Hospital Of Dalian university Dalian Liaoning
China ZhuJiang Hospital of Southern Medical University Guangzhou Guangdong
China Jingzhou Central Hospital Jingzhou Hubei
China The First Affiliated Hospital of Nanchang University Nanchang Jiangxi
China The Afiliated Hospital Of QINGDAO University Qingdao Shandong
China Eye&Ent Hospital of Fudan University Shanghai Shanghai
China Pudong New area Gongli Hospital Shanghai Shanghai Shanghai
China Tianjin People's Hospital Tianjin Tianjin
China The First Affiliated Hospital of Xinjiang Medical University Ürümqi Xinjiang
China The First Affiliated Hospital of Wannan Medical College Wuhu Anhui
China The First Affiliated Hospital of Xi'an Jiao Tong University Xi'an Shaanxi
China The Affiliated Hospital of Xuzhou Medical University Xuzhou Jiangsu
China The Fifth Affiliated Hospital Sun Yat-Sen University Zhuhai Guangdong
China Affiliated Hospital of Zunyi Medical University Zunyi Guizhou

Sponsors (1)

Lead Sponsor Collaborator
Chia Tai Tianqing Pharmaceutical Group Nanjing Shunxin Pharmaceutical Co., Ltd.

Country where clinical trial is conducted

China, 

Outcome

Type Measure Description Time frame Safety issue
Primary Treatment-related adverse event rate The frequency of treatment-related adverse events (TEAEs) occurring during treatment at each evaluation time point. Up to thirty six weeks
Secondary Treatment-related serious adverse events rate The frequency of serious adverse events (SAEs) occurring during treatment at each evaluation time point. Up to thirty six weeks
Secondary Abnormal laboratory test indicators The number and severity of abnormal laboratory test indicators. Up to thirty six weeks
Secondary Nasal Polyp Score (NPS) NPS is the sum of the left and right nostril scores evaluated through nasal endoscopy, with a total score range of 0 to 8. NPS is based on polyp grading, with a score of 0-4 based on polyp grading. Baseline up to thirty six weeks
Secondary Nasal congestion score (NCS) NCS is determined by the subjects based on the severity of the nasal congestion in the past 24 hours. This score uses a 0-3 classification scale, where 0=no symptoms, 1=mild symptoms, 2=moderate symptoms, and 3=severe symptoms. Baseline up to thirty six weeks
Secondary Anosmia score Anosmia Score is evaluated by subjects based on their severity of Anosmia on the day. This score uses a 0-3 classification scale, where 0=no symptoms, 1=mild symptoms, 2=moderate symptoms, and 3=severe symptoms. Baseline up to thirty six weeks
Secondary Total symptom score (TSS) TSS is the sum of nasal congestion, anosmia, and rhinorrhea (the average of anterior and posterior rhinorrhea), with a score range of 0-9 points. The severity is evaluated by the subject and recorded on the subject diary record card. Baseline up to thirty six weeks
Secondary Visual analogue scale (VAS) for sinusitis VAS for sinusitis is a questionnaire that subjective evaluation of the overall severity of sinusitis by subjects, with a score range of 0-10 points. The higher the score, the greater the impact of sinusitis on the quality of life of the subjects. Baseline up to thirty six weeks
Secondary Lund Mackay (LMK) score The LMK score is based on the results of sinus Computed Tomography (CT) scans. Evaluated by researchers, divided into left and right sinus systems, with 0-12 points per side and a total score of 0-24 points. Baseline up to twenty eight weeks
Secondary Immunogenicity-anti-drug antibody Incidence and their titers of Anti-drug antibody (ADA). 1 hour on day 1 before administration, day 197, day 253 during withdrawal
Secondary Immunogenicity-neutralizing antibody Incidence of neutralizing antibody (Nab). 1 hour on day 1 before administration, day 197, day 253 during withdrawal
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