SIM0718 Treatment of Asthma Clinical Study
Asthma; Eosinophilic
What this study involves
The registry does not currently label this study as recruiting. Ask about its status before planning a screening visit.
- Study type
- Interventional
- Phase
- Phase 3
- Age range
- 12 years - 75 years
- Sex eligible
- All sexes
- Healthy volunteers
- Not accepted
- Participants
- 418 Estimated
These are starting points, not an eligibility decision. The research team must review the full requirements.
About the research
Phase III clinical study of SIM0718 asthma
Read the full description
A multicenter, randomized, double-blind, parallel-group, placebo-controlled phase III clinical study evaluating the efficacy and safety of SIM0718 in adults and adolescents with asthma
Who may be able to participate?
The list below is the sponsor’s full registry wording. It can include conditions, prior treatment, test results and other requirements. A match in search does not mean you qualify.
Inclusion Criteria:
- Age 12 to 75 years, weight ≥ 40 kg, diagnosed with asthma for at least 12 months;
- Currently receiving medium- to high-dose inhaled corticosteroids (ICS) in combination with 1 or 2 control medications and have been on a stable dose for at least 28 days prior to randomization;
- Pre-bronchodilator (trough) FEV1 ≤ 80% of predicted normal for adults and ≤90% of predicted normal for adolescents ;
- Positive bronchodilator response within 12 months prior to randomization or during the screening period;
- Asthma Control Questionnaire (ACQ-5) score ≥ 1.5;
- At least one severe asthma exacerbation within 12 months prior to the screening visit and no occurrence within 28 days prior to randomization;
- Based on the investigator judgment, the subject demonstrates acceptable inhaler, peak flow meter, and spirometry techniques;
- Compliance with usual asthma controller use ≥ 80% based on the patient diary in 7 days prior to dosing;
- Voluntarily participate in this clinical study and sign the informed consent form and be able to comply with the clinical visit schedule and study-related procedures;
- Female subjects of childbearing potential who are sexually active with non-sterilized male partners, male subjects, and their female partners of childbearing potential agree to use adequate and effective contraception throughout the study;
Exclusion Criteria:
- Current respiratory disease that may impair lung function as judged by the investigator;
- Diagnosis of helminth parasitic infection within 24 weeks prior to randomization and who have not received or have not responded to standard therapy;
- Within 28 days prior to randomization, with acute or chronic infection; or have a severe viral infection;
- Has a known or suspected history of immunosuppression or frequent, recurrent, or long-term infection;
- History of active tuberculosis; or untreated latent tuberculosis or tuberculosis not receiving standard treatment, unless the investigator judges that the patient has been adequately treated;
- People with hepatitis B, hepatitis C, or HIV infection;
- History of malignancy;
- Major surgery within 8 weeks prior to signing the informed;
- Bronchial thermoplasty within 12 months prior to randomization;
- Treatment of systemic glucocorticoid during 4 weeks prior to signing informed to randomization;
- Previous use or ongoing use of systemic immunosuppressants or biologics for the treatment of autoimmune or inflammatory diseases in 8 weeks or 5 half-lives prior to randomization;
- Within 16 weeks or 5 half-lives prior to randomization, received a biologic agent with the same therapeutic purpose;
- Participated in an interventional clinical trial of any drug or medical device within 3 months or 5 half-lives prior to randomization;
- Poor response to or intolerance to prior anti-IL-4Rα antibody therapy;
- Within 3 months prior to randomization, received specific immunotherapy;
- Receipt of intravenous human immunoglobulin (IVIG) or blood products within 30 days prior to randomization;
- Vaccination with live(attenuated) vaccine within 30 days prior to randomization or plan to receive live (attenuated) vaccine during the study;
- Are using concomitant medications or treatments that are prohibited in the protocol;
- The following laboratory abnormalities occurred during the screening period: eosinophils≥1500 cells/mm3 or 1.5×109/L; Platelets≤80,000 cells/mm3 or 80×109/L; phosphocreatine kinase (CPK) ≥5 times the upper limit of normal (ULN); alanine aminotransferase (ALT) ≥3-fold ULN; aspartate aminotransferase (AST)≥ 3-fold ULN; Bilirubin ≥ 2x ULN;
- History of alcohol abuse or drug abuse within 12 months prior to randomization;
- Current smokers, or those who have been smoking in recent 6 months, or former smokers who have not been smoking for 6 months with a smoking history of ≥10 pack years;
- Allergy to L-histidine, trehalose, or Tween 80, or history of systemic hypersensitivity to any biologic products;
- Females of childbearing potential have a positive pregnancy test result during the screening period; Females planning to become pregnant or breastfeeding;
- Any clinically significant examination abnormality or serious and/or uncontrolled disease that, in the opinion of the investigator, may affect the subject safety, or affect the evaluation of efficacy, or preclude the subject completion of the entire study.
Treatment, groups and participation
The registry may describe treatments and study duration without a complete visit calendar. Ask the study team for the exact schedule, procedures, risks, costs and alternatives. Keep your usual care plan unless your treating clinician tells you otherwise.
- Assignment
- Random assignment
- Masking
- Quadruple masked
Placebo
Placebo
Drug: SIM0718 injection of placebo
SIM0718 injection
SIM0718 injection
Drug: SIM0718 injection
SIM0718 injection DRUG
Dosage form: injection Specification: 300mg/2ml/bottle Dosage: A loading dose of 600 mg is injected subcutaneously on day 1, followed by 300 mg SIM0718 subcutaneously every two weeks.
Duration of medication: 52 weeks
SIM0718 injection of placebo DRUG
Dosage form: injection Specification: 2ml/bottle Dosage: 4ml subcutaneously on day 1, followed by 2ml of placebo subcutaneously every two weeks.
Duration of medication: 52 weeks
What researchers are measuring
Outcome measures describe what is being studied. They are not proof that a treatment works.
Primary measures
Annualized rate of severe asthma exacerbation events
Time frame: 52 weeks
Annualized rate of severe asthma exacerbation events within 52 weeks
Secondary measures
Change from baseline in forced expiratory volume in the first second before bronchodilator use
Time frame: 12 weeks
Change from baseline in forced expiratory volume in the first second before within 12 weeks
Change from baseline in Forced Vital Capacity (FVC)
Time frame: During the 52-week treatment period
Change from baseline in Forced Vital Capacity (FVC) of during the 52-week treatment period
Change from baseline in pre-bronchodilator forced expiratory volume in 1 second
Time frame: During the 52-week treatment period
Change from baseline in pre-bronchodilator forced expiratory volume in 1 second of during the 52-week treatment period
Change from baseline in Peak Expiratory Flow (PEF)
Time frame: During the 52-week treatment period
Change from baseline in Peak Expiratory Flow (PEF) of during the 52-week treatment period
Time from baseline to the first severe asthma exacerbation event, proportion of subjects with ≥ 1 severe asthma exacerbation
Time frame: During the 52-week treatment period
subjects with ≥ 1 severe asthma exacerbation of during the 52-week treatment period
Annualized rate of "loss of asthma control" events, time from baseline to "loss of asthma control"event
Time frame: During the 52-week treatment period
Annualized rate of "loss of asthma control" events, time from baseline to "loss of asthma control"event of during the 52-week treatment period
Change from baseline in annualized rate of hospitalization or emergency department visits, utilization of medical resources
Time frame: During the 52-week treatment period
Change from baseline in annualized rate of hospitalization or emergency department visits, utilization of medical resources of during the 52-week treatment period
Change from baseline in ASTHMA CONTROL QUESTIONNAIRE(ACQ-5) score
Time frame: During the 52-week treatment period
Change from baseline in ASTHMA CONTROL QUESTIONNAIRE(ACQ-5) score (5 questions, 0-6 score, higher score indicated lower asthma control) of during the 52-week treatment period
Asthma symptom score
Time frame: During the 52-week treatment period
Asthma symptom score (0-4 score, higher score indicated worse asthma symptom) during the 52-week treatment period
Use of rescue medication
Time frame: During the 52-week treatment period
Use of rescue medication of during the 52-week treatment period
Number of days of awakenings due to asthma and number of awakenings due to asthma
Time frame: During the 52-week treatment period
Number of days of awakenings due to asthma and number of awakenings due to asthma of during the 52-week treatment period
Change from baseline in standardized asthma quality of life questionnaire score ASTHMA QUALITY OF LIFE QUESTIONNAIRES(AQLQ(S))
Time frame: During the 52-week treatment period
Change from baseline in standardized asthma quality of life questionnaire score(AQLQ(S)) (32 questions, 1-7 score, higher scores indicate better quality of life) of during the 52-week treatment period
Adverse events
Time frame: during the 64 week study period
Adverse events during 64 week study period
Vital signs
Time frame: during the 64 week study period
Vital signs during 64 week study period
Electrocardiograph (12-ECG)
Time frame: during the 64 week study period
Electrocardiograph (12-ECG) during 64 week study period
Laboratory tests
Time frame: during the 64 week study period
Laboratory tests during 64-week study period. Lab tests include hematology, biochemistry
SIM0718 blood concentration
Time frame: During the 52-week treatment period
SIM0718 blood concentration of during the 52-week treatment period
Positive rate and titer of anti-drug antibodies, positive rate of neutralizing antibodies
Time frame: 64 weeks during the study
Positive rate and titer of anti-drug antibodies, positive rate of neutralizing antibodies of 64 weeks during the study
Review the complete result tables and limitations in the official record.
Open official results ↗Research locations (85)
The overall study status and a local site’s status can differ. Confirm that location’s availability before traveling.
85 locations
Hefei First People's HospitalHefei, Anhui, ChinaStatus unknown
General Hospital of Wanbei Coal-Electricity GroupSuzhou, Anhui, ChinaStatus unknown
China Japan Friendship HospitalBeijing, Beijing Municipality, ChinaStatus unknown
Peking University First HospitalBeijing, Beijing Municipality, ChinaStatus unknown
Chongqing University Fuling HospitalChongqing, Chongqing Municipality, ChinaStatus unknown
Jiangjin District Central Hospital of ChongqingChongqing, Chongqing Municipality, ChinaStatus unknown
The Second Affiliated Hospital of Chongqing Medical UniversityChongqing, Chongqing Municipality, ChinaStatus unknown
Gansu Provincial HospitalLanzhou, Gansu, ChinaStatus unknown
Shunde Hospital of Southern Medical UniversityFoshan, Guangdong, ChinaStatus unknown
The First Affiliated Hospital of Guangzhou Medical UniversityGuangzhou, Guangdong, ChinaStatus unknown
The Second Affiliated Hospital of Guangzhou Medical UniversityGuangzhou, Guangdong, ChinaStatus unknown
Huizhou Central People's HospitalHuizhou, Guangdong, ChinaStatus unknown
Jiangmen Central HospitalJiangmen, Guangdong, ChinaStatus unknown
Meizhou People's HospitalMeizhou, Guangdong, ChinaStatus unknown
Shenzhen People's HospitalShenzhen, Guangdong, ChinaStatus unknown
The Affiliated Hospital of Guangdong Pharmaceutical UniversityZhanjiang, Guangdong, ChinaStatus unknown
Zhanjiang Central People's HospitalZhanjiang, Guangdong, ChinaStatus unknown
Zhongshan People's HospitalZhongshan, Guangdong, ChinaStatus unknown
Affiliated Hospital of Guizhou Medical UniversityGuiyang, Guizhou, ChinaStatus unknown
Affiliated Hospital of Zunyi Medical UniversityZunyi, Guizhou, ChinaStatus unknown
Affiliated Hospital of Hebei UniversityBaoding, Hebei, ChinaStatus unknown
Cangzhou People's HospitalCangzhou, Hebei, ChinaStatus unknown
Hebei PetroChina Central HospitalLangfang, Hebei, ChinaStatus unknown
Qinhuangdao First HospitalQinhuangdao, Hebei, ChinaStatus unknown
Hebei Chest HospitalShijiazhuang, Hebei, ChinaStatus unknown
The Second Hospital of Hebei Medical UniversityShijiazhuang, Hebei, ChinaStatus unknown
Anyang People's HospitalAnyang, Henan, ChinaStatus unknown
Nanyang Central HospitalNanyang, Henan, ChinaStatus unknown
The First Affiliated Hospital of Nanyang Medical CollegeNanyang, Henan, ChinaStatus unknown
Shangqiu First People's HospitalShangqiu, Henan, ChinaStatus unknown
The First Affiliated Hospital of Xinxiang Medical UniversityXinxiang, Henan, ChinaStatus unknown
Henan Children's HospitalZhengzhou, Henan, ChinaStatus unknown
Zhengzhou Central HospitalZhengzhou, Henan, ChinaStatus unknown
Shiyan Taihe HospitalShiyan, Hubei, ChinaStatus unknown
Yichang Central People's HospitalYichang, Hubei, ChinaStatus unknown
Hunan Children's HospitalChangsha, Hunan, ChinaStatus unknown
Xiangya Hospital, Central South UniversityChangsha, Hunan, ChinaStatus unknown
Shaoyang Central HospitalShaoyang, Hunan, ChinaStatus unknown
Xiangtan Central HospitalXiangtan, Hunan, ChinaStatus unknown
Yueyang Central HospitalYueyang, Hunan, ChinaStatus unknown
The First Affiliated Hospital of Baotou Medical College, Inner Mongolia University of Science and TechnologyBaotou, Inner Mongolia, ChinaStatus unknown
Chifeng HospitalChifeng, Inner Mongolia, ChinaStatus unknown
Affiliated Hospital of Inner Mongolia Medical UniversityHohhot, Inner Mongolia, ChinaStatus unknown
Huai'an First People's HospitalHuai'an, Jiangsu, ChinaStatus unknown
Nanjing First HospitalNanjing, Jiangsu, ChinaStatus unknown
Affiliated Hospital of Nantong UniversityNantong, Jiangsu, ChinaStatus unknown
The Second Affiliated Hospital of Soochow UniversitySuzhou, Jiangsu, ChinaStatus unknown
Wuxi People's HospitalWuxi, Jiangsu, ChinaStatus unknown
The Affiliated Hospital of Xuzhou Medical UniversityXuzhou, Jiangsu, ChinaStatus unknown
Jiangxi Provincial People's HospitalNanchang, Jiangxi, ChinaStatus unknown
The First Affiliated Hospital of Nanchang UniversityNanchang, Jiangxi, ChinaStatus unknown
Pingxiang People's HospitalPingxiang, Jiangxi, ChinaStatus unknown
The First Hospital of Jilin UniversityChangchun, Jilin, ChinaStatus unknown
Shengjing Hospital of China Medical UniversityShenyang, Liaoning, ChinaStatus unknown
The First Hospital of China Medical UniversityShenyang, Liaoning, ChinaStatus unknown
The First Affiliated Hospital of Xi'an Medical UniversityXi'an, Shaanxi, ChinaStatus unknown
The Second Affiliated Hospital of Xi'an Jiaotong UniversityXi'an, Shaanxi, ChinaStatus unknown
Xi'an International Medical Center HospitalXi'an, Shaanxi, ChinaStatus unknown
Liaocheng People's HospitalLiaocheng, Shandong, ChinaStatus unknown
Qingdao Municipal Traditional Chinese Medicine Hospital (Qingdao Haici Hospital)Qingdao, Shandong, ChinaStatus unknown
The Affiliated Hospital of Qingdao UniversityQingdao, Shandong, ChinaStatus unknown
Rizhao People's HospitalRizhao, Shandong, ChinaStatus unknown
Yantai Yuhuangding HospitalYantai, Shandong, ChinaStatus unknown
Zibo Central HospitalZibo, Shandong, ChinaStatus unknown
Shanghai Pulmonary HospitalShanghai, Shanghai Municipality, ChinaStatus unknown
Zhongshan Hospital, Fudan UniversityShanghai, Shanghai Municipality, ChinaStatus unknown
Heping Hospital Affiliated to Changzhi Medical CollegeChangzhi, Shanxi, ChinaStatus unknown
Datong Fifth People's HospitalDatong, Shanxi, ChinaStatus unknown
Shanxi Bethune Hospital (Shanxi Academy of Medical Sciences)Taiyuan, Shanxi, ChinaStatus unknown
The First Hospital of Shanxi Medical UniversityTaiyuan, Shanxi, ChinaStatus unknown
Chengdu Fifth People's HospitalChengdu, Sichuan, ChinaStatus unknown
Chengdu Third People's HospitalChengdu, Sichuan, ChinaStatus unknown
Zigong First People's HospitalZigong, Sichuan, ChinaStatus unknown
Tianjin Chest HospitalTianjin, Tianjin Municipality, ChinaStatus unknown
People's Hospital of Xinjiang Uygur Autonomous RegionÜrümqi, Xinjiang Uygur Autonomous Region, ChinaStatus unknown
The First Affiliated Hospital of Xinjiang Medical UniversityÜrümqi, Xinjiang Uygur Autonomous Region, ChinaStatus unknown
The First Affiliated Hospital of Kunming Medical UniversityKunming, Yunnan, ChinaStatus unknown
Hangzhou First People's HospitalHangzhou, Zhejiang, ChinaStatus unknown
Jinhua Municipal Central HospitalJinhua, Zhejiang, ChinaStatus unknown
Jinhua People's HospitalJinhua, Zhejiang, ChinaStatus unknown
Lishui Central HospitalLishui, Zhejiang, ChinaStatus unknown
Ningbo Medical Center Lihuili HospitalNingbo, Zhejiang, ChinaStatus unknown
Taizhou Central HospitalTaizhou, Zhejiang, ChinaStatus unknown
Taizhou First People's HospitalTaizhou, Zhejiang, ChinaStatus unknown
Wenzhou People's HospitalWenzhou, Zhejiang, ChinaStatus unknown
Study team and timeline
- Lead sponsor
- Simcere Pharmaceutical Co., Ltd
- Study start
- Jun 23, 2024 Actual
- Primary completion
- Dec 31, 2026 Estimated
- Study completion
- Feb 19, 2027 Estimated
- First posted
- Jul 5, 2024 Actual
- Last updated
- Nov 9, 2026 Actual
Official study contacts
No central contact is listed. Check the locations and the official record.
Official study title
A Multicenter, Randomized, Double-blind, Parallel-group, Placebo-controlled Phase III Clinical Study Evaluating the Efficacy and Safety of SIM0718 in Adults and Adolescents With Asthma
Ask Wellness Clinical Research
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Source: ClinicalTrials.gov API v2. Information is submitted by sponsors and investigators. NLM does not approve the safety or science of all listed studies. Registry disclaimer.
Retrieved: Nov 12, 2026 · Last registry update: Nov 9, 2026
