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Pleconaril

Phase 2

Asthma | Small molecule | Respiratory |Merck & Company, Inc.|Last Updated: Jul 16, 2015

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_CONTROLLED
Total Trials1
Total Enrollment311
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT00394914Effects of Pleconaril Nasal Spray on Common Cold Symptoms and Asthma Exacerbations Following Rhinovirus Exposure (Study P04295)PHASE2 COMPLETED 311Aug 1, 2006Apr 1, 2007Jul 16, 2015 -
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Study Endpoints
Primary Endpoints
Percentage of Participants With Rhinovirus PCR-Positive Colds
From time of exposure to index case to end of Follow-up Period (21 days)

The common cold was defined as moderate or severe rhinorrhea and at least one other cold symptom of moderate to severe intensity for at least 1 day, together with rhinovirus-positive polymerase chain reaction (PCR), after a participant had temporal exposure to an index case. PCR+ was defined as positive or equivocal outcome of the picornavirus test any time after randomization.

Percentage of Participants With Asthma Exacerbations Together With Rhinovirus-Positive PCR
From time of exposure to index case to end of Follow-up Period (21 days)

Asthma exacerbation was defined as a participant having one of the following: 1. 0.5 point or more increase in the Asthma Control Questionnaire (ACQ) from Baseline at Day 7. The ACQ is a validated instrument containing 7 questions to assess asthma control which incorporates symptoms, beta-agonist use, and spirometry. Participants recall their experiences during the previous 7 days and respond to each question using a 7-point scale. The items are equally weighted and the ACQ score is the mean of the 7 items and therefore ranges between 0 (well controlled) and 6 (extremely poorly controlled). The ACQ completed on the day of exposure was the Baseline ACQ. 2. Any change to asthma treatment as prescribed by a physician, unscheduled contact (either office visit or phone contact where medication was changed for asthma symptoms), emergency room visit, or hospitalization. PCR+ was defined as positive or equivocal outcome of the picornavirus test any time after randomization.

Secondary Endpoints
LS Mean Change From Baseline in the Asthma Control Questionnaire (ACQ)
Baseline through the Final Visit (Day 21)
LS Mean Change From Baseline in Forced Expiratory Volume in 1 Second (FEV1)
Baseline through the Final Visit (Day 21)
LS Mean Change From Baseline in Peak Expiratory Flow (PEF) in AM
Baseline through the Final Visit (Day 21)
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Study Design & Arms
AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposePREVENTION
Treatment Arms
ArmTypeDescription
PleconarilEXPERIMENTALParticipants will receive Pleconaril nasal spray 4 sprays per nostril twice daily (BID), 24 mg/day for 1 week during the Treatment Period for a total of 14 doses.
PlaceboPLACEBO_COMPARATORParticipants will receive placebo nasal spray 4 sprays per nostril BID for 1 week during the Treatment Period for a total of 14 doses.
Interventions
NameTypeDescription
PleconarilDRUGPleconaril nasal suspension is supplied in a bottle containing 120 actuations. Each actuation contains 1.5 mg of pleconaril.
Placebo to PleconarilDRUGPlacebo nasal suspension
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Eligibility Criteria
Age Range6 Years — 65 Years
SexALL
Healthy VolunteersNo

Inclusion Criteria: * Must be ≥6 to ≤65 years of age, of either sex, and of any race, with a diagnosis of asthma at least 2 years prior to the Screening Visit. * Must have a history of two or more upper respiratory infection-induced asthma exacerbations in the past 24 months. * For participants ...

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