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CE-224,535

Phase 2

Rheumatoid Arthritis | Small Molecules | Immunology |Pfizer, Inc.|Trials Updated: Apr 4, 2022

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindCONTROLLED
Total Trials3
Total Enrollment131

FDA Designations

No designations recorded

CE-224,535 clinical trials

CE-224,535 · 3 trials · 3 indications

Phase 2 1Phase 1 2
NCT00628095Study of CE-224,535 A Twice Daily Pill To Control Rheumatoid Arthritis In Patients Who Have Not Totally Improved With MethotrexateArthritis, Rheumatoid
COMPLETED100 Analytics
PHASE2COMPLETED
Study of CE-224,535 A Twice Daily Pill To Control Rheumatoid Arthritis In Patients Who Have Not Totally Improved With Methotrexate
Arthritis, RheumatoidUnlock trial analytics

Study Endpoints

Primary Endpoints

Percentage of Participants With American College of Rheumatology 20% (ACR20) Response at Week 12
Week 12

ACR20 response: compared to baseline, greater than or equal to (\>=) 20 percent (%) improvement in tender joint count; \>= 20% improvement in swollen joint count; and \>= 20% improvement in at least 3 of 5 remaining ACR core measures: participant assessment of pain; participant global assessment of disease activity; physician global assessment of disease activity; self-assessed disability (disability index of the Health Assessment Questionnaire \[HAQ\]); and C-Reactive Protein (CRP).

pharmacokinetic parameters: Tmax, Cmax, AUClast, AUC(0-00), C24, t1/2
48 hrs
Incidence and severity of adverse events throughout the study

Secondary Endpoints

Percentage of Participants With American College of Rheumatology 20% (ACR20) Response at Week 2, 4 and 8
Week 2, 4, 8
Percentage of Participants With American College of Rheumatology 50% (ACR50) Response
Week 2, 4, 8, 12
Percentage of Participants With American College of Rheumatology 70% (ACR70) Response
Week 2, 4, 8, 12
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
ActiveEXPERIMENTAL -
PlaceboPLACEBO_COMPARATOR -
Part1; controlled release formulation 4; 250 mgEXPERIMENTALone 250 mg controlled release tablet, once in the morning, in fasted state
Part1; controlled release formulation 4; 500 mgEXPERIMENTAL2x250 mg, once in the morning, in fasted state
Part 1; controlled release formula 4; 1000 mgEXPERIMENTAL4x250 mg tabs, once in the morning, in fasted state
Part 1; controlled release formulation 4; 500 mg FEDEXPERIMENTAL2x250 mg, once in the morning , in fed state
Part 2; IR formulation 500mgEXPERIMENTAL4x125 mg tab of current formulation , once in the morning in the fasted state. This arm will occur as Part 2, only as needed, pending results of Part 1
Part 2; IR formulation, 500 mg FEDEXPERIMENTAL4x125 mg once in the morning in the fed state. This arm will occur as part of Part 2,only as needed, pending results of Part 1.
Part 2; controlled release formulation 5;500 mg, FASTEDEXPERIMENTAL2x250 controlled release formulation 5 tabs once in the morning in the fasted state. This arm will only occur as part of Part 2, pending results of Part 1.
Part 2; controlled release formulation 5;500 mg, FEDEXPERIMENTAL2x250 mg controlled release formulation 5 tabs once in the morning in the fed state. This arm will only occur as part of Part 2 pending results of Part 1

Interventions

NameTypeDescription
CE-224,535DRUG500 mg po BID
PlaceboDRUGno active ingredient
CE 224,535DRUG2x250 mg controlled release formulation 5 tabs once in the morning in the fasted state
MethotrexateDRUG -
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Eligibility Criteria

Age Range18 Years to 99 Years
SexALL
Healthy VolunteersNo
Study Sites27

Inclusion Criteria: * Active rheumatoid arthritis * Incomplete response to methotrexate Exclusion Criteria: * Must not be on biologic therapies * No recent infections

Countries:United StatesChileCzechiaMexicoPolandSouth KoreaSpain
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Frequently asked questions about CE-224,535

What is CE-224,535 used for?

CE-224,535 was studied as a treatment for rheumatoid arthritis, including in patients who had not fully responded to methotrexate. It is a small molecule drug candidate that was developed for the immunology therapeutic area. It is investigational and is not an approved medicine.

Who makes CE-224,535?

CE-224,535 was developed by Pfizer, Inc., which trades on the New York Stock Exchange under the ticker PFE. Pfizer sponsored the clinical trials of the drug in rheumatoid arthritis.

What phase is CE-224,535 in?

CE-224,535 reached Phase 2 clinical development for rheumatoid arthritis. Three trials have been completed, including one Phase 2 study and two Phase 1 studies, and no trials are currently active. It is an investigational drug and has not been approved for any indication.

What clinical trials is CE-224,535 in?

Three completed trials studied CE-224,535. NCT00628095 was a Phase 2 trial of a twice daily pill in 100 rheumatoid arthritis patients who had not fully improved with methotrexate. NCT00446784 was a Phase 1 safety study with methotrexate in 20 patients, and NCT00838058 was a Phase 1 study in 11 healthy volunteers.

How many patients were enrolled in CE-224,535 trials?

The three completed CE-224,535 trials enrolled a total of 131 participants. The Phase 2 trial NCT00628095 enrolled 100 patients with rheumatoid arthritis, while the two Phase 1 trials enrolled 20 patients and 11 healthy volunteers respectively. All three studies were randomized, double blind, and controlled.