Recent Updates
Recently added Catalysts

HFO-1234ze

Phase 3

Mucociliary Clearance | Small molecule | Other |AstraZeneca PLC|Last Updated: Feb 25, 2026

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
Premium
Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
Premium
Trial Design
RandomizedDouble-BlindACTIVE_CONTROLLEDBiomarker
Total Trials1
Total Enrollment35
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT05755932Study to Assess Effect of Next-Generation Propellant MDI on Mucociliary Clearance Vs. HFA Propellant MDI in Healthy ParticipantsPHASE3 COMPLETED 35Jun 14, 2023Jul 22, 2024Feb 25, 20265 United States, United Kingdom
Unlock Drug Trial Details
Study Endpoints
Primary Endpoints
Change from baseline in MCC through 60 minutes following inhalation of 99m technetium-labelled colloid (sulfur or albumin) colloid and gamma camera imaging.
7 days

Change from baseline in MCC through 60 minutes, following inhalation of 99m technetium-labelled colloid (sulfur or albumin) and gamma camera imaging

Secondary Endpoints
Change from baseline in MCC at 3 hours following inhalation of 99m technetium-labelled colloid (sulfur or albumin)and gamma camera imaging
7 days
Unlock Study Endpoints
Study Design & Arms
AllocationRANDOMIZED
MaskingQUADRUPLE
ModelCROSSOVER
PurposeBASIC_SCIENCE
Treatment Arms
ArmTypeDescription
Treatment A: HFO MDIEXPERIMENTALTest arm, 6 inhalations BID for 7 days
Treatment B: HFA MDIACTIVE_COMPARATORReference arm, 6 inhalations BID for 7 days
Interventions
NameTypeDescription
HFO-1234ze(E)DRUG* Dose formulation: metered dose inhaler (MDI) * Unit dose strength(s): Experimental (propellant only) * Dosage level(s): 6 inhalations, BID * Route of administration: Oral inhalation * Participants will receive treatment A in 1 of 2 possible treatment sequences: AB or BA
HFA-134aDRUG* Dose formulation: metered dose inhaler (MDI) * Unit dose strength(s): Reference (propellant only) * Dosage level(s): 6 inhalations, BID * Route of administration: Oral inhalation * Participants will receive treatment B in 1 of 2 possible treatment sequences: AB or BA.
Unlock Study Design Details
Eligibility Criteria
Age Range18 Years — 60 Years
SexALL
Healthy VolunteersYes
Study Sites5

Inclusion Criteria: Participants are eligible to be included in the study only if all of the following criteria apply: 1. Capable of giving signed informed consent as described in the protocol which includes compliance with the requirements and restrictions listed in the informed consent form (ICF...

Countries:United StatesUnited Kingdom
Unlock Eligibility Criteria
Recent Changes (Last 90 Days)
MEDIUMApr 8, 2026NCT05755932TRIAL_REMOVED: changed
MEDIUMApr 8, 2026NCT05755932TRIAL_REMOVED: changed