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Ensifentrine

Phase 3FDA approved

Chronic Obstructive Pulmonary Disease | Small molecule | Respiratory |Labcorp Holdings Inc.|Last Updated: Jun 4, 2025

Development status

FDA approval on record Jun 26, 2024 as Ohtuvayre
Approval holderMsd
ApplicationNDA217389
Highest phase Phase 3
Registered trials 4 across 2 sponsors since Sep 2020

Label indication OHTUVAYRE is indicated for the maintenance treatment of chronic obstructive pulmonary disease (COPD) in adult patients. OHTUVAYRE is a phosphodiesterase 3 (PDE3) inhibitor and phosphodiesterase 4 (PDE4) inhibitor indicated for the maintenance treatment of chronic obstructive pulmonary disease (COPD) in adult patients. ( 1 ) FDA label

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLEDBiomarker
Total Trials1
Total Enrollment526

FDA Designations

No designations recorded

Clinical trial landscape

Ensifentrine · 1 trial · 1 indication

Phase 3 1
NCT05743075A Study to Evaluate the Efficacy and Safety of Ensifentrine for 24 Weeks in Patients With Moderate to Severe Chronic Obstructive Pulmonary DiseaseChronic Obstructive Pulmonary Disease
COMPLETED526 Analytics
PHASE3COMPLETED
A Study to Evaluate the Efficacy and Safety of Ensifentrine for 24 Weeks in Patients With Moderate to Severe Chronic Obstructive Pulmonary Disease
Chronic Obstructive Pulmonary DiseaseUnlock trial analytics

Study Endpoints

Primary Endpoints

Average forced expiratory volume in 1 second (FEV1) area under the curve (AUC)0-12h
12 weeks

Change from baseline of Average forced expiratory volume in 1 second (FEV1) area under the curve (AUC)0-12h

Secondary Endpoints

Peak FEV1 over 4 hours post-dose at Week 12
12 weeks
Peak FEV1 at Week 6 and Week 24
6 or 24 weeks
Morning trough FEV1 at Week 6 and Week 24
6 or 24 weeks
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
EnsifentrineEXPERIMENTALEligible subjects will be randomly assigned in a 5:3 ratio to receive either Ensifentrine or placebo. Doses and methods of administration are as follows: Ensifentrine (RPL554) 3 mg BID or placebo BID will be administered by aerosol inhalation for 24 weeks; each nebulization time wil be approximately 5 minutes.
PlaceboPLACEBO_COMPARATOREligible subjects will be randomly assigned in a 5:3 ratio to receive either Ensifentrine or placebo. Doses and methods of administration are as follows: Ensifentrine (RPL554) 3 mg BID or placebo BID will be administered by aerosol inhalation for 24 weeks; each nebulization time wil be approximately 5 minutes.

Interventions

NameTypeDescription
EnsifentrineDRUGA dual PDE3/PDE 4 inhibitor
PlaceboDRUGPlacebo solution
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Eligibility Criteria

Age Range40 Years to 80 Years
SexALL
Healthy VolunteersNo
Study Sites1

Inclusion Criteria: 1. Patient must be 40 to 80 years of age inclusive, at the time of Screening, male or female; 2. Current or former cigarette smokers with a history of cigarette smoking ≥ 10 pack-years; 3. Patients with a clear clinical history of COPD and related symptoms prior to screening; 4....

Countries:China
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