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Experimental: Tezepelumab

Phase 3

Asthma | Monoclonal antibody | Respiratory |AstraZeneca PLC|Last Updated: Jul 1, 2025

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedDouble-BlindPLACEBO_CONTROLLEDDMCBiomarker
Total Trials2
Total Enrollment1,466
FDA Designations
No designations recorded
Clinical Trials (2)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT03927157Study to Evaluate Tezepelumab in Adults With Severe Uncontrolled AsthmaPHASE3 COMPLETED 405Jun 14, 2019Aug 13, 2024Jul 1, 202572 China, Philippines +1
NCT03347279Study to Evaluate Tezepelumab in Adults & Adolescents With Severe Uncontrolled AsthmaPHASE3 COMPLETED 1,061Nov 23, 2017Nov 12, 2020Nov 26, 2021289 United States, Argentina +16
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Study Endpoints
Primary Endpoints
Annual Asthma Exacerbation Rate (AERR)
Randomization to Week 52

The annual exacerbation rate is based on exacerbations reported by the investigator in the eCRF over 52 weeks

Annual Asthma Exacerbation Rate in Adult and Adolescent Patients With Uncontrolled Asthma
From randomisation to Study Week 52.

The annual exacerbation rate is based on unadjudicated exacerbations reported by the investigator in the eCRF. The analysis is based on the primary population (Full Analysis Set)

Annual Asthma Exacerbation Rate in Adult and Adolescent Patients With Uncontrolled Asthma in Subjects With Baseline Eosinophils < 300 Cells/uL
From randomisation to Study Week 52.

The annual exacerbation rate is based on unadjudicated exacerbations reported by the investigator in the eCRF. This analysis is based on subjects with baseline eosinophils \< 300 cells/uL

Secondary Endpoints
Mean Change From Baseline in Pre-dose/Pre-bronchodilator (Pre-BD) Forced Expiratory Volume in 1 Second (FEV1) at Week 52
Randomization to Week 52
Mean Change From Baseline in Standardized Asthma Quality of Life Questionnaire for 12 Years and Older (AQLQ(S)+12) Total Score at Week 52
Randomization to Week 52
Mean Change From Baseline in Asthma Control Questionnaire-6 (ACQ-6) Score at Week 52
Randomization to Week 52
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Study Design & Arms
AllocationRANDOMIZED
MaskingTRIPLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
TezepelumabEXPERIMENTALTezepelumab: Tezepelumab subcutaneous injection
PlaceboPLACEBO_COMPARATORPlacebo: Placebo subcutaneous injection
Interventions
NameTypeDescription
Experimental: TezepelumabBIOLOGICALTezepelumab subcutaneous injection
PlaceboOTHERPlacebo subcutaneous injection
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Eligibility Criteria
Age Range18 Years — 80 Years
SexALL
Healthy VolunteersNo
Study Sites72

Inclusion Criteria: * Age. 18-80 * Documented physician-diagnosed asthma for at least 12 months * Participants who have received a physician-prescribed asthma controller medication with medium or high dose ICS for at least 6 months. * Documented treatment with a total daily dose of either medium or...

Countries:ChinaPhilippinesSouth KoreaUnited StatesArgentinaAustraliaAustriaBrazilCanadaFranceGermanyIsraelJapanRussiaSaudi ArabiaSouth AfricaTaiwanUkraineUnited KingdomVietnam
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