CYT003 in Patients With Mild to Moderate Allergic Asthma Not Sufficiently Controlled on Inhaled Glucocorticosteroids

Study Overview
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Brief Summary
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A phase IIb study in patients to evaluate CYT003- QbG10 versus placebo, in patients with mild to moderate allergic asthma not sufficiently controlled on inhaled steroid. Altogether 170 patients, randomized to two treatment groups will be included. Key outcome measures are patient reported parameters on their asthma

Detailed Description
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A phase IIb study in patients to evaluate CYT003- QbG10 versus placebo, in patients with mild to moderate allergic asthma not sufficiently controlled on inhaled steroid. Altogether 170 patients, randomized to two treatment groups will be included. Key outcome measures are patient reported parameters on their asthma at the time of primary endpoint and throughout the study.

Official Title
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A Randomized, Placebo-Controlled, Phase IIb Study of CYT003-QbG10 (CYT003), a TLR9 Agonist, in Patients With Mild to Moderate Allergic Asthma Not Sufficiently Controlled on Inhaled Glucocorticosteroids

Conditions
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Asthma

Intervention / Treatment
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* Biological: CYT003
* Biological: Placebo


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Provide written informed consent. Complete all protocol requirements. Between 18 to 65 years of age. Persistent allergic asthma patients Forced expiratory volume in one second (FEV1) ≥60% to ≤ 90% of predicted value Reversibility of airway obstruction Patients meeting the contraception requirements At baseline: Patients treated with ICS and insufficiently controlled Blood eosinophil count above a certain level Exclusion Criteria: Failure to meet at least 80% compliance of use of the patient e-diary/ peak expiratory flow (PEF) meter (AM3 device) at the baseline visit Treatment or hospitalization for asthma exacerbation within past 2 months Current use or use of systemic corticosteroids within past 2 months Current smokers. Ex-smokers for less than 1 year, with a tobacco smoking history of >10 pack years Major surgery within 3 months prior to signing the ICF or anticipated during study Presence or history of clinically relevant cardiovascular, renal, pulmonary (e.g. COPD), endocrine, autoimmune, dermatological, neurological, psychiatric, or ocular disease as judged by the investigator. Any malignancy within the previous 5 years Presence of suspicious lymphadenopathy or splenomegaly on physical examination. Confirmed or suspected current infection with human immunodeficiency virus (HIV), hepatitis B virus (HBV), or hepatitis C virus (HCV). Presence of active infectious disease as judged by the investigator Active autoimmune diseases or prior diagnosis of autoimmune disease including but not limited to rheumatoid arthritis, lupus and ulcerative colitis. Pregnancy (based on positive urine test at screening visit) or lactation. Female planning to become pregnant during the study period. Patients with any history of abuse of alcohol or other recreational drugs. Ongoing or planned specific immunotherapy (SIT) during the whole study period or SIT completed within the last 3 years. BMI >40 Use of investigational or approved biologics/immune-modulators within the last 6 months.

Ages Eligible for Study
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Minimum Age: 18 Years
Maximum Age: 65 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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No

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Treatment
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Quadruple


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Experimental: CYT003<br>Injections of CYT003 | Biological: CYT003<br>* Injections<br>|
| Placebo Comparator: Placebo<br>Injections of placebo | Biological: Placebo<br>* Injections<br>|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Asthma Control Questionnaire (ACQ) |  | 12 weeks |