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Rifampicin

Phase 1

Healthy | Small molecule | Other |Johnson & Johnson|Last Updated: Jan 10, 2013

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
UNCONTROLLEDBiomarker
Total Trials1
Total Enrollment19
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT01655147A Study to Evaluate the Effect of Rifampicin on the Pharmacokinetics of Abiraterone in Healthy Male ParticipantsPHASE1 COMPLETED 19Jan 1, 2012Mar 1, 2012Jan 10, 20131 Belgium
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Study Endpoints
Primary Endpoints
Maximum plasma concentration (Cmax) of abiraterone in Period 1 and Period 2
Period 1: Day 1 to Day 4; Period 2: Day 14 to Day 17

Pharmacokinetic parameter Cmax of abiraterone was measured when abiraterone acetate was administered in Period 1 and Period 2.

Area under the plasma concentration-time curve (AUC) of abiraterone in Period 1 and Period 2
Period 1: Day 1 to Day 4; Period 2: Day 14 to Day 17

Pharmacokinetic parameter AUC of abiraterone was measured when abiraterone acetate was administered in Period 1 and Period 2.

Time to reach the maximum plasma concentration (tmax) of abiraterone in Period 1 and Period 2
Period 1: Day 1 to Day 4; Period 2: Day 14 to Day 17

Pharmacokinetic parameter tmax of abiraterone was measured when abiraterone acetate was administered in Period 1 and Period 2.

Eliminaton half-life (t1/2) of abiraterone in Period 1 and Period 2
Period 1: Day 1 to Day 4; Period 2: Day 14 to Day 17

Pharmacokinetic parameter t1/2 of abiraterone was measured when abiraterone acetate was administered in Period 1 and Period 2.

Secondary Endpoints
Number of participants with adverse events
Up to 31 days
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Study Design & Arms
MaskingNONE
ModelCROSSOVER
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Abiraterone acetate + RifampicinEXPERIMENTALAbiraterone acetate 1,000 mg (4 x 250 mg) on Day 1 of Period 1. Rifampicin 600 mg (2 x 300 mg) on Days 8 to 13, and Abiraterone acetate 1,000 mg (4 x 250 mg) on Day 14 of Period 2.
Interventions
NameTypeDescription
Abiraterone acetateDRUGType=exact number, unit=mg, number=1,000, form=tablet, route=oral. Abiraterone acetate administered on Day 1 of Period 1, and Day 14 of Period 2.
RifampicinDRUGType=exact number, unit=mg, number=600, form=capsule, route=oral. Rifampicin administered on Days 8 to 13 of Period 2.
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Eligibility Criteria
Age Range18 Years — 55 Years
SexMALE
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: * Must have blood pressure between 90 and 140 mmHg systolic, inclusive, and no higher than 90 mmHg diastolic * Must have a 12-lead electrocardiogram consistent with normal cardiac conduction and function * Must sign an informed consent document indicating they understand the pur...

Countries:Belgium
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