Evaluation of Efficacy and Safety of Fostamatinib Monotherapy Compared With Adalimumab Monotherapy in Patients With Rheumatoid Arthritis (RA)

Phase 2

Terminated

Conditions: Rheumatoid Arthritis

Interventions: Drug: Fostamatinib and placebo injections
Drug: Adalimumab and placebo of fostamatinib
Drug: Placebo of fostamatinib, fostamatinib, and placebo injections

Registration Number: NCT01264770

Lead Sponsor: AstraZeneca

Brief Summary: The purpose of the study is to evaluate the improvements in signs and symptoms of rheumatoid arthritis (RA) for fostamatinib compared to placebo or adalimumab in patients who are Disease-Modifying anti-rheumatic drug (DMARD) naïve, DMARD intolerant or have had an inadequate response to DMARDs. The study will last for approximately six months

Detailed Description: Sub-study:

Full title: Optional Genetic Research

Date: 10 September 2010

Version: 1

Objectives: To collect and store, with appropriate consent , DNA samples for future exploratory research into genes/genetic variation that may influence response (ie, absorption, distribution, metabolism and excretion, safety, tolerability and efficacy) to fostamatinib disodium and/or adalimumab; and/or susceptibility to, progression of and prognosis of RA

The main study recruitment is complete, and sub study recruitment will continue until the target is reached, estimated to be June 2013

Sub-study:

Full title: (Sub-study to OSKIRA-4): A Phase IIB, Multi-Centre, Randomised, Double-Blind, Placebo-Controlled, Parallel Group Study of the Efficacy and Safety of Fostamatinib Disodium Monotherapy Compared with Placebo or Adalimumab Monotherapy in Patients with Active Rheumatoid Arthritis: Magnetic Resonance Imaging Sub-Study

Date: 21 March 2011

Version: 1

Primary objective: Assess the efficacy of fostamatinib in reducing joint synovial disease activity as measured by:

* Change from baseline to Week 6 (versus placebo) in OMERACT RAMRIS synovitis score.

Recruitment & Eligibility

Status: TERMINATED

Sex: All

Target Recruitment: 644

Inclusion Criteria

Male or female aged 18 and over
Active rheumatoid arthritis (RA) diagnosed after the age of 16 and diagnosis within 5 years prior to study visit 1 and inadequate response to treatment with a maximum 2 Disease-Modifying anti-rheumatic drug (DMARD) therapies, or diagnosis within 5 years prior to study visit 1 and intolerance to DMARD therapy, or diagnosis within 2 years prior to study visit 1 and no previous use of DMARDs
4 or more swollen joints and 4 or more tender/painful joints (from 28 joint count) and either Erythrocyte Sedimentation Rate (ESR) blood result of 28mm/h or more, or C-Reactive Protein (CRP) blood result of 10mg/L or more
At least 2 of the following: documented history or current presence of positive rheumatoid factor (blood test), radiographic erosion within 12 months prior to study enrolment, presence of serum anti-cyclic citrullinated peptide antibodies (blood test)

Exclusion Criteria

Females who are pregnant or breast feeding
Poorly controlled hypertension
Liver disease or significant liver function test abnormalities
Certain inflammatory conditions (other than rheumatoid arthritis), connective tissue diseases or chronic pain disorders
Recent or significant cardiovascular disease
Significant active or recent infection including tuberculosis
Previously received treatment with a TNF alpha antagonist (including etanercept, certolizumab, adalimumab, infliximab, golimumab) or anakinra or previous treatment with other biological agent including rituximab, abatacept and tocilizumab
Use of any DMARDs within 6 weeks before first study visit
Severe renal impairment
Neutropenia

Study & Design

Study Type: INTERVENTIONAL

Study Design: PARALLEL

Arm && Interventions

Group	Intervention	Description
Dosing Group A	Fostamatinib and placebo injections	Oral treatment and subcutaneous injection
Dosing Group B	Fostamatinib and placebo injections	Oral treatment and subcutaneous injection
Dosing Group C	Fostamatinib and placebo injections	Oral treatment and subcutaneous injection
Dosing Group D	Adalimumab and placebo of fostamatinib	Oral treatment and subcutaneous injection
Dosing Group E	Placebo of fostamatinib, fostamatinib, and placebo injections	Oral treatment and subcutaneous injection

Primary Outcome Measures

Name	Time	Method
DAS28-CRP Score - Change From Baseline to Week 6 Compared to Placebo	Baseline and 6 weeks	DAS28-CRP: Disease Activity Score based on a count of swollen and tender joints (out of 28 joints), blood test measures of inflammation (CRP) and the patient's own assessment. Scores can take any positive value with a lower value indicating a better clinical condition. Mean changes from baseline in DAS28-CRP score are shown at each visit and are presented as decreases from baseline (defined as baseline minus post-baseline) with larger changes indicative of a better clinical condition. ANCOVA = analysis of covariance, BID = twice daily, CRP = C-reactive protein, DMARD = disease-modifying anti-rheumatic drug, IR = inadequate response, LS = least squares, n/a = not applicable, PO = orally, QD = once a day, SC = subcutaneous.
DAS28-CRP Score - Change From Baseline to Week 24 Compared to Adalimumab	Baseline and 24 weeks	DAS28-CRP: Disease Activity Score based on a count of swollen and tender joints (out of 28 joints), blood test measures of inflammation (CRP) and the patient's own assessment. Scores can take any positive value with a lower value indicating a better clinical condition. Mean changes from baseline in DAS28-CRP score are shown at each visit and are presented as decreases from baseline (defined as baseline minus post-baseline) with larger changes indicative of a better clinical condition. Non-responder imputation has been applied by carrying the baseline observation forward. ANCOVA = analysis of covariance, BID = twice daily, CRP = C-reactive protein, DMARD = disease-modifying anti-rheumatic drug, IR = inadequate response, LS = least squares, n/a = not applicable, PO = orally, QD = once a day, SC = subcutaneous.

Secondary Outcome Measures

Name	Time	Method
HAQ-DI - Comparison of the Change From Baseline Between Fostamatinib and Placebo at Week 6	Baseline and 6 weeks	HAQ-DI: Health Assessment Questionnaire - Disability Index, a measure of physical function. The HAQ-DI score is calculated by summing the category scores from 8 sub-categories (ie, scores for patient ability in dressing and grooming, rising, eating, walking, hygiene, reach, grip and common daily activities) and dividing by the number of categories completed. The HAQ-DI score takes values between 0 and 3, with a higher score indicating greater disability. Non-responder imputation has been applied by carrying the baseline observation forward. ANCOVA = analysis of covariance, BID = twice daily, DMARD = disease-modifying anti-rheumatic drug, IR = inadequate response, LS = least squares, n/a = not applicable, PO = orally, qd = once a day, SC = subcutaneous.
HAQ-DI - Comparison of the Change From Baseline Between Fostamatinib and Adalimumab at Week 24	Baseline and 24 weeks	HAQ-DI: Health Assessment Questionnaire - Disability Index, a measure of physical function. The HAQ-DI score is calculated by summing the category scores from 8 sub-categories (ie, scores for patient ability in dressing and grooming, rising, eating, walking, hygiene, reach, grip and common daily activities) and dividing by the number of categories completed. The HAQ-DI score takes values between 0 and 3, with a higher score indicating greater disability. Non-responder imputation has been applied by carrying the baseline observation forward. ANCOVA = analysis of covariance, BID = twice daily, DMARD = disease-modifying anti-rheumatic drug, IR = inadequate response, LS = least squares, n/a = not applicable, PO = orally, qd = once a day, SC = subcutaneous.
SF-36 - Comparison of the Change in PCS From Baseline Between Fostamatinib and Adalimumab at Week 24	Baseline and 24 weeks	SF-36: 36-item Short Form Health Survey, a measure of health-related QoL. Scores for 8 sub-domains (Physical Functioning, Role-Physical, Bodily Pain, General Health, Vitality, Social Function, Role-Emotional \& Mental Health) are derived \& normalised to a scale of 0-100. Physical \& Mental Component Scores (PCS \& MCS) are derived by multiplying each of these 8 scores by a constant, summing them \& standardising against a population with mean of 50, standard deviation of 10. Higher scores represent a better QoL. Mean changes from baseline score are presented at each visit as increases from baseline (defined as post-baseline minus baseline); larger changes indicate a better clinical condition. Non-responder imputation applied by carrying the baseline observation forward. ANCOVA = analysis of covariance, BID = twice daily, DMARD = disease-modifying anti-rheumatic drug, IR = inadequate response, LS = least squares, PO = orally, QD = once a day, QoL = quality of life, SC = subcutaneous.
SF-36 - Comparison of the Change in MCS From Baseline Between Fostamatinib and Adalimumab at Week 24	Baseline and 24 weeks	SF-36: 36-item Short Form Health Survey, a measure of health-related QoL. Scores for 8 sub-domains (Physical Functioning, Role-Physical, Bodily Pain, General Health, Vitality, Social Function, Role-Emotional \& Mental Health) are derived \& normalised to a scale of 0-100. Physical \& Mental Component Scores (PCS \& MCS) are derived by multiplying each of these 8 scores by a constant, summing them \& standardising against a population with mean of 50, standard deviation of 10. Higher scores represent a better QoL. Mean changes from baseline score are presented at each visit as increases from baseline (defined as post-baseline minus baseline); larger changes indicate a better clinical condition. Non-responder imputation applied by carrying the baseline observation forward. ANCOVA = analysis of covariance, BID = twice daily, DMARD = disease-modifying anti-rheumatic drug, IR = inadequate response, LS = least squares, PO = orally, QD = once a day, QoL = quality of life, SC = subcutaneous.
DAS28 EULAR Response at Week 6	6 weeks	Change in DAS28 was derived for each post baseline scheduled assessment and categorised using the European League Against Rheumatism (EULAR) response criteria. Non-responder imputation has been applied by carrying the baseline observation forward. bid = twice daily, DAS28 = Disease Activity Score based on a 28-joint count, DMARD = disease-modifying anti-rheumatic drug, OR = odds ratio, PO = orally, qd = once a day, SC = subcutaneous.
DAS28 EULAR Response at Week 24	24 weeks	Change in DAS28 was derived for each post baseline scheduled assessment and categorised using the European League Against Rheumatism (EULAR) response criteria. Non-responder imputation has been applied by carrying the baseline observation forward. bid = twice daily, DAS28 = Disease Activity Score based on a 28-joint count, DMARD = disease-modifying anti-rheumatic drug, OR = odds ratio, PO = orally, qd = once a day, SC = subcutaneous.
Proportion of Patients Achieving ACR20 up to Week 24	6 and 24 weeks	ACR20: American College of Rheumatology 20% response criteria, based on count of swollen and tender joints (out of 28 joints), blood test measures of inflammation (such as CRP) and the physician and patient's own assessments of disease activity, pain and physical function. Non-responder imputation has been applied by carrying the baseline observation forward. BID = twice daily, CRP = C-reactive protein, DMARD = disease-modifying anti-rheumatic drug, IR = inadequate response, n/a = not applicable, PO = orally, qd = once a day, SC = subcutaneous.
Proportion of Patients Achieving ACR50 up to Week 24	6 and 24 weeks	ACR50: American College of Rheumatology 50% response criteria, based on count of swollen and tender joints (out of 28 joints), blood test measures of inflammation (such as CRP) and the physician and patient's own assessments of disease activity, pain and physical function. Non-responder imputation has been applied by carrying the baseline observation forward. BID = twice daily, CRP = C-reactive protein, DMARD = disease-modifying anti-rheumatic drug, IR = inadequate response, n/a = not applicable, PO = orally, qd = once a day, SC = subcutaneous.
Proportion of Patients Achieving ACR70 up to Week 24	6 and 24 weeks	ACR70: American College of Rheumatology 70% response criteria, based on count of swollen and tender joints (out of 28 joints), blood test measures of inflammation (such as CRP) and the physician and patient's own assessments of disease activity, pain and physical function. Non-responder imputation has been applied by carrying the baseline observation forward. BID = twice daily, CRP = C-reactive protein, DMARD = disease-modifying anti-rheumatic drug, IR = inadequate response, n/a = not applicable, PO = orally, qd = once a day, SC = subcutaneous.
ACRn - Comparison Between Fostamatinib and Placebo at Week 6	Baseline and 6 weeks	ACRn: American College of Rheumatology Index of RA improvement, based on smallest percentage improvement in the count of swollen joints (out of 28 joints), count of tender joints (out of 28 joints) or in blood test measures of inflammation (such as CRP) or the physician and patient's own asessment of disease activity, pain and physical function. Scores are reported as a percentage improvement on a scale of -100 to +100, with larger values representing a better clinical outcome. Non-responder imputation has been applied by carrying the baseline observation forward. BID = twice daily, DMARD = disease-modifying anti-rheumatic drug, IR = inadequate response, n/a = not applicable, PO = orally, qd = once a day, SC = subcutaneous. Mean refers to change at Week 6. Treatment difference: difference between fostamatinib and placebo groups.
ACRn - Comparison Between Fostamatinib and Adalimumab at Week 24	Baseline and 24 weeks	ACRn: American College of Rheumatology Index of RA improvement, based on smallest percentage improvement in the count of swollen joints (out of 28 joints), count of tender joints (out of 28 joints) or in blood test measures of inflammation (such as CRP) or the physician and patient's own asessment of disease activity, pain and physical function. Scores are reported as a percentage improvement on a scale of -100 to +100, with larger values representing a better clinical outcome. Non-responder imputation has been applied by carrying the baseline observation forward. BID = twice daily, CRP = C-reactive protein, DMARD = disease-modifying anti-rheumatic drug, IR = inadequate response, n/a = not applicable, PO = orally, qd = once a day, SC = subcutaneous. Mean refers to change at Week 24. Treatment difference: difference between fostamatinib and adalimumab groups.