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PH-797804

Phase 2

Arthritis, Rheumatoid | Small molecule | Musculoskeletal |Pfizer, Inc.|Last Updated: Aug 20, 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
RandomizedDouble-BlindPLACEBO_CONTROLLEDBiomarker
Total Trials2
Total Enrollment332
FDA Designations
No designations recorded
Clinical Trials (2)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT00620685A Study To Evaluate The Safety And Pharmacokinetic Profile Of A P38 Inhibitor (PH-797804) In Subjects With Rheumatoid Arthritis Who Are Also Taking MethotrexatePHASE2 COMPLETED 27Mar 1, 2008Oct 1, 2008Nov 8, 20187 United States
NCT00383188An Oral p38 Inhibitor Investigating Safety, Efficacy, And PK In Subjects With Active Rheumatoid ArthritisPHASE2 COMPLETED 305Dec 15, 2006Jul 16, 2008Aug 20, 202148 Australia, Brazil +10
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Study Endpoints
Primary Endpoints
Adverse events, laboratory data, vital signs, 12-lead ECGs and physical examination findings
6 weeks
Percentage of Participants Achieving American College of Rheumatology 20 Percent (%) (ACR 20) Response at Week 12
Week 12

ACR20 responders: participants with greater than or equal to(\>=)20% improvement in tender and swollen 28-joint counts from baseline, \>=20% improvement in at least 3 of 5 measures: Patient's global assessment of arthritis(PGA), physician's global assessment of arthritis, participant's assessment of pain on visual analogue scale (Pain-VAS), health assessment questionnaire-disability index (HAQ-DI), C-reactive protein (CRP) in mg/liter (mg/L). PGA:participant assess overall disease activity on VAS, score:0(no arthritis) to 100(extreme arthritis), high score=more arthritis. Physician's global assessment:physician judge participant's overall disease activity on VAS, score:0(no arthritis) to 100millimeter(mm) (extreme arthritis), high score=more arthritis. Pain-VAS:participant assess arthritis pain on 100mm VAS, score:0mm (no pain) to 100mm (extreme pain), high score=more pain. HAQ-DI:functional disability evaluation, score:0 (no difficulty) to 3 (unable to do), high score=more disability.

Secondary Endpoints
Estimate the effects of multiple doses of PH-797804 on the pharmacokinetic profile of methotrexate in subjects with RA taking a stable dose of MTX
6 weeks
Percentage of Participants Achieving American College of Rheumatology 20 Percent (%) (ACR 20) Response at Weeks 1, 2, 4, 8 and 16
Weeks 1, 2, 4, 8, 16
Percentage of Participants Achieving American College of Rheumatology 50 Percent (%) (ACR 50) Response at Weeks 1, 2, 4, 8, 12 and 16
Weeks 1, 2, 4, 8, 12 and 16
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Study Design & Arms
AllocationRANDOMIZED
MaskingTRIPLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
1PLACEBO_COMPARATOR -
2EXPERIMENTAL -
3EXPERIMENTAL -
4EXPERIMENTAL -
5EXPERIMENTAL -
Interventions
NameTypeDescription
PlaceboDRUGTablet, once daily for 4 weeks
PH-797804DRUGTablet, 1 mg PH-797804, once daily for 4 weeks
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites7

Inclusion Criteria: * Adult with RA for at least 6 months * Stable weekly dosage of oral methotrexate 12.5- 25 mg/week Exclusion Criteria: * Severe, progressive and/or uncontrolled other disease * Chronic or recent serious infection; current infection * Concomitant use of RA therapy other than me...

Countries:United StatesAustraliaBrazilChileCzechiaEstoniaIndiaPeruPolandRussiaSouth AfricaSouth KoreaSpain
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