Long-term Safety of Tezepelumab in Japanese Subjects With Inadequately Controlled Severe Asthma
Long-term Safety of Tezepelumab in Japanese Subjects With Inadequately Controlled Severe Asthma
This is an open-label, single arm study designed to evaluate the safety of tezepelumab
 administered subcutaneously every 4 weeks in Japanese adult and adolescent subjects with
 inadequately controlled severe asthma.
This is open-label, single arm study designed to evaluate the safety of tezepelumab in adults
 and adolescents with severe, uncontrolled asthma on medium to high-dose ICS and at least one
 additional asthma controller medication with or without OCS. Approximately 66 subjects will
 be dosed in Japan. Subjects will receive tezepelumab administered via subcutaneous injection
 at the study site, over a 52-week treatment period. The study also includes a post-treatment
 follow-up period of 12 weeks.
Inclusion Criteria:

 Age. 12-80 Documented physician-diagnosed asthma for at least 12 months Subjects who have
 received a physician-prescribed asthma controller medication with medium or high dose ICS
 for at least 12 months.

 Documented treatment with a total daily dose of either medium or high dose ICS (≥ 500 µg
 fluticasone propionate dry powder formulation equivalent total daily dose) for at least 3
 months.

 At least one additional maintenance asthma controller medication is required according to
 standard practice of care and must be documented for at least 3 months.

 Documented history of at least 1 asthma exacerbation events within 12 months. ACQ-6 score
 ≥1.5 at screening or on day of registration.

 Exclusion Criteria:

 Pulmonary disease other than asthma. History of cancer. History of a clinically significant
 infection. Current smokers or subjects with smoking history ≥10 pack-yrs. History of
 chronic alcohol or drug abuse within 12 months. Hepatitis B, C or HIV. Pregnant or
 breastfeeding. History of anaphylaxis following any biologic therapy. Subject randomized in
 the current study or previous tezepelumab studies