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SIM0718 Treatment of Asthma Clinical Study

Phase 3
Recruiting
Conditions
Asthma; Eosinophilic
Interventions
Drug: SIM0718 injection of placebo
Registration Number
NCT06488755
Lead Sponsor
Simcere Pharmaceutical Co., Ltd
Brief Summary

Phase III clinical study of SIM0718 asthma

Detailed 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

Recruitment & Eligibility

Status
RECRUITING
Sex
All
Target Recruitment
418
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.

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
PlaceboSIM0718 injection of placeboPlacebo
SIM0718 injectionSIM0718 injectionSIM0718 injection
Primary Outcome Measures
NameTimeMethod
Annualized rate of severe asthma exacerbation events52 weeks

Annualized rate of severe asthma exacerbation events within 52 weeks

Secondary Outcome Measures
NameTimeMethod
Positive rate and titer of anti-drug antibodies, positive rate of neutralizing antibodies64 weeks during the study

Positive rate and titer of anti-drug antibodies, positive rate of neutralizing antibodies of 64 weeks during the study

Change from baseline in forced expiratory volume in the first second before bronchodilator use12 weeks

Change from baseline in forced expiratory volume in the first second before within 12 weeks

SIM0718 blood concentrationDuring the 52-week treatment period

SIM0718 blood concentration of during the 52-week treatment period

Change from baseline in Forced Vital Capacity (FVC)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 secondDuring the 52-week treatment period

Change from baseline in pre-bronchodilator forced expiratory volume in 1 second of during the 52-week treatment period

Adverse eventsduring the 64 week study period

Adverse events during 64 week study period

Vital signsduring the 64 week study period

Vital signs during 64 week study period

Electrocardiograph (12-ECG)during the 64 week study period

Electrocardiograph (12-ECG) during 64 week study period

Laboratory testsduring the 64 week study period

Laboratory tests during 64-week study period. Lab tests include hematology, biochemistry

Change from baseline in Peak Expiratory Flow (PEF)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 exacerbationDuring 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"eventDuring 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 ASTHMA CONTROL QUESTIONNAIRE(ACQ-5) scoreDuring 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 scoreDuring the 52-week treatment period

Asthma symptom score (0-4 score, higher score indicated worse asthma symptom) during the 52-week treatment period

Change from baseline in annualized rate of hospitalization or emergency department visits, utilization of medical resourcesDuring 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

Use of rescue medicationDuring 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 asthmaDuring 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))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

Trial Locations

Locations (1)

China Japan Friendship Hospital

🇨🇳

Beijing, Beijing, China

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