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PF-00232798

Phase 2

HIV | Small molecule | Infectious Disease |Pfizer, Inc.|Last Updated: Oct 30, 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
RandomizedDouble-BlindACTIVE_CONTROLLED
Total Trials1
Total Enrollment43
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT00495677A Phase 2 Study Of PF-00232798 In HIV Positive PatientsPHASE2 COMPLETED 43Jun 1, 2007Sep 1, 2008Oct 30, 20132 Germany
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Study Endpoints
Primary Endpoints
Change From Baseline in Log 10-transformed Human Immunodeficiency Virus (HIV) Viral Load at Day 11
Baseline, Day 11

Viral load was determined using the Roche COBAS Taqman HIV-1 assay with a lower limit of detection of 40 copies per milliliter (copies/mL). Samples with an initial reading of less than 1,000,000 copies/mL were diluted into range and re-assayed.

Secondary Endpoints
Number of Participants With Time to Rebound of Human Immunodeficiency Virus (HIV) Viral Load
Day 1 up to Day 25
Maximum Observed Plasma Concentration (Cmax)
0 hour (pre-dose) on Day 1 to 9; 0 hour (pre-dose), 1, 2, 3, 4, 6, 8, 12, 24 hours post-dose on Day 10; Day 12, 13, 15 morning
Time to Reach Maximum Observed Plasma Concentration (Tmax)
0 hour (pre-dose) on Day 1 to 9; 0 hour (pre-dose), 1, 2, 3, 4, 6, 8, 12, 24 hours post-dose on Day 10; Day 12, 13, 15 morning
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Study Design & Arms
AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
PF-00232798 40 mgACTIVE_COMPARATOR -
PF-00232798 300 mgACTIVE_COMPARATOR -
PF-00232798 400 mgACTIVE_COMPARATOR -
PF-00232798 5 mgACTIVE_COMPARATOR -
PF-00232798 20 mgACTIVE_COMPARATOR -
PF-00232798 150 mgACTIVE_COMPARATOR -
Interventions
NameTypeDescription
PF-00232798DRUGSolution, 20 mg. once daily, 10 days
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Eligibility Criteria
Age Range18 Years — 55 Years
SexMALE
Healthy VolunteersNo
Study Sites2

Inclusion Criteria: * Asymptomatic HIV-1 infected male patients between the ages of 18 and 55 years inclusive. * Patients with CCR5 tropic virus as determined by the Monogram PhenoSense Entry assay. Exclusion Criteria: * Patients who have received any experimental drug within the past four months...

Countries:Germany
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