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Doxazosin Japanese marketed IR

Phase 1

Hypertension | Small molecule | Cardiovascular |Pfizer, Inc.|Last Updated: Jan 29, 2021

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
RandomizedCONTROLLED
Total Trials1
Total Enrollment24
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT01389609Bioequivalence Study of Doxazosin 4 Mg Orally-Disintegrating Tablet With Or Without Water To Doxazosin 4 Mg Japanese Marketed Immediate Release Tablet Under Fasted ConditionPHASE1 COMPLETED 24Jul 1, 2011Aug 1, 2011Jan 29, 20211 Japan
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Study Endpoints
Primary Endpoints
Peak plasma concentration (Cmax) and AUC from zero to the last sampling point (AUCt) of doxazosin 4 mg Orally Disintegrating Tablet (ODT) without water compared to doxazosin 4 mg Japanese marketed Immediate Release (IR) tablet under fasted conditions
up to 48 hours
Secondary Endpoints
Cmax and AUCt of doxazosin 4 mg ODT with water compared to doxazosin 4 mg Japanese marketed IR tablet under fasted conditions.
up to 48 hours
Other Pharmacokinetic (PK) parameters (Tmax, AUC from zero to infinity (AUCinf), AUC from zero to the last measurable point (AUClast), elimination rate constant (Kel), t½, and mean residence time (MRT) of doxazosin under all forms of
up to 48 hours
administration.
up to 48 hours
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Study Design & Arms
AllocationRANDOMIZED
MaskingNONE
ModelCROSSOVER
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
AEXPERIMENTALDoxazosin 4 mg Japanese marketed IR tablet as a single oral dose under fasted conditions
BEXPERIMENTALDoxazosin 4 mg ODT with water as a single oral dose under fasted conditions
CEXPERIMENTALDoxazosin 4 mg ODT without water as a single oral dose under fasted conditions
Interventions
NameTypeDescription
Doxazosin 4 mg Japanese marketed IR tabletDRUGImmediate release tablet, 4 mg, single dose
Doxazosin 4 mg ODT with waterDRUGOrally-disintegrating Tablet , 4 mg, single dose with water
Doxazosin 4 mg ODT without waterDRUGOrally-disintegrating Tablet , 4 mg, single dose without water
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Eligibility Criteria
Age Range20 Years — 55 Years
SexMALE
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: * Japanese healthy male subjects Exclusion Criteria: * Baseline orthostatic hypotension defined as a ≥20 mm Hg reduction in SBP, a ≥10 mm Hg reduction in DBP and/or the development of significant postural symptoms (dizziness, lightheadedness, vertigo) when going from the supin...

Countries:Japan
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