NCT07532265 A Clinical Study to Evaluate the Efficacy and Safety of Frevecitinib (KN-002) in Patients With Severe Asthma

Eligibility & Interventions

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What to Expect as a Participant

You will actively receive the study intervention — which may be a drug, biologic, device, or procedure.

In Phase 2, researchers evaluate early signs of effectiveness. You may be randomized to receive the active treatment or a comparator. Monitoring continues closely.

This trial targets 512 participants in total. It began in 2026-07-16 with a primary completion date of 2027-11-30.

Brief Summary

A Phase 2 Dose Ranging Study to Evaluate the Efficacy and Safety of Frevecitinib (KN-002) Over a 12-Week Treatment Period in Patients With Severe Asthma Not Controlled With Medium to High Dose ICS/LABA

Eligibility Criteria

Inclusion Criteria: Capable of understanding the written informed consent, provides signed and witnessed written informed consent prior to any study-related procedures, and agrees to comply with protocol requirements. Body mass index between 18 to 40 kg/m2 and weight ≥40 kg at screening. Documented physician-diagnosed asthma for at least 12 months prior to screening. Has received a physician-prescribed asthma controller regimen with medium dose or high dose ICS plus LABA, with or without additional controller medications for at least 6 months prior to screening and the dose of ICS and additional controller(s) must be stable for at least 4 weeks prior to screening and throughout the screening/run-in period. Has a pre-bronchodilator FEV1 value of ≥40% and ≤80%, predicted, at screening and at Day 1. Has a post-bronchodilator reversibility of FEV1 ≥12% and ≥200 mL documented during screening (15 to 30 min after administration of 4 puffs of albuterol/salbutamol). Has an ACQ-6 score of ≥1.5 during screening (ie, Visit 1 and Visit 2). Has a documented history of at least 1 asthma exacerbation in the 12 months prior to the screening visit, while using medium to high dose ICS/LABA therapy Acceptable inhaler, peak flow meter, and spirometry techniques during the screening/run-in period. ≥80% compliance with required use of the ePRO device within the last 14 days of the screening/run-in period. Females of childbearing potential who are sexually active with a non-sterilized male partner must use a highly effective method of contraception from the time informed consent is obtained and must agree to continue using such precautions throughout the study and continue using such precautions for 16 weeks after the final dose of study treatment. Exclusion Criteria: Current smokers or participants with a smoking history of ≥10 pack years Participants with a current history of angina or history of myocardial infarction, stroke, or TIAs within the past 12 months from screening are disallowed. Participants with a history of pulmonary embolic or thrombotic events, or genetic or autoimmune (eg anti-phospholipid syndrome) predisposition for thrombosis are disallowed. Any concomitant respiratory disease that, in the opinion of the investigator and/or medical monitor, will interfere with the evaluation of the investigational product or interpretation of participant safety or study results Any clinically relevant abnormal findings in hematology, clinical chemistry, coagulation, or urinalysis (laboratory results from visit), physical examination, vital signs during the screening/run-in period which, in the opinion of the investigator, may put the participant at risk because of his/her participation in the study Evidence of active liver disease including jaundice or AST, ALT, or bilirubin greater than twice the upper limit of normal. History of cancer Participants with a respiratory tract infection that has not fully resolved by screening, or who experience an RTI during screening or at Day 1. Evidence of a clinically significant infection or receiving treatment with systemic antibiotic, anti-parasitic, or antiviral medications at Day 1. Known history of active TB or a positive QFT-G test for TB during screening. A positive hepatitis B surface antigen, or hepatitis C virus antibody serology at screening, or a positive medical history for hepatitis B or C. A positive human immunodeficiency virus test at screening or participant taking antiretroviral medications, as determined by medical history and/or participants verbal report. History of sensitivity to any component of the investigational product formulation or a history of drug or other allergy that, in the opinion of the investigator or medical monitor contraindicates their participation. Use of oral or topical JAK inhibitors for any reason or use of immunosuppressive medication (eg, methotrexate, troleandomycin, oral gold, cyclosporine, azathioprine, intramuscular long-acting depot glucocorticoid, or any experimental anti-inflammatory therapy) within 3 months prior to screening and throughout the study. Receipt of any investigational nonbiologic agent within 30 days or 5 half-lives prior to screening, whichever is longer and throughout the study. Prescription of regular daily oral corticosteroids within 4 weeks prior to screening or during the screening/run-in period and throughout the study. Systemic glucocorticoid burst including taper within 15 days prior to screening or during the screening/run-in period and throughout the study. Prescription of concomitant parenteral monoclonal antibody therapy for the management of asthma or any other condition within a specified period prior to the screening visit Pregnant, breastfeeding, or lactating females. History of chronic alcohol or drug abuse within 12 months prior to screening, as determined by the investigator. Planned surgical procedures requiring general anesthesia or in-patient status for \>1 day during the conduct of the study. Receipt of any live or attenuated vaccines within 15 days prior to screening. Participants who have undergone bronchial thermoplasty. Prolonged QTcF \>470 ms at screening or baseline.

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