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Clinical efficacy, radiographic progression, and safety through 156 weeks of therapy with subcutaneous golimumab in combination with methotrexate in Japanese patients with active rheumatoid arthritis despite prior methotrexate therapy: final results of the randomized GO-FORTH trial.

ABSTRACT: To evaluate the safety and efficacy of golimumab?+?methotrexate (MTX) in Japanese patients with active rheumatoid arthritis (RA).Japanese patients with active RA despite MTX were randomized to placebo?+?MTX (Group 1, n?=?88), golimumab 50?mg?+?MTX (Group 2, n?=?86), or golimumab 100?mg?+?MTX (Group 3, n?=?87). Patients with?<20% improvement in swollen/tender joint counts entered early escape at week 16. At week 24, all remaining placebo patients crossed over to golimumab 50?mg. Efficacy assessments included ACR20, DAS28-ESR, and HAQ-DI. Radiographic progression was assessed with the van der Heijde-modified Sharp (vdH-S) score.ACR20 response rates in Group 1, Group 2, and Group 3 were 67.9, 86.1, and 82.4%, respectively, at week 52 and were maintained through week 104 (87.1, 94.0, and 88.7%) and week 156 (97.1, 94.1, and 89.5%). Proportions of patients with good/moderate DAS28-ESR response or clinically meaningful improvement in HAQ-DI were also maintained through week 156. The majority of patients did not experience radiographic progression through week 156. Among 257 golimumab-treated patients, 251 (97.7%) had??1 AE; 54 (21.0%) had??1 serious AE through week 156. Infections were the most common type of AE.Response to golimumab?+?MTX was maintained over 3 years in Japanese patients with active RA despite MTX. Safety results were consistent with the known safety profile of golimumab.

SUBMITTER: Tanaka Y

PROVIDER: S-EPMC4924564 | biostudies-literature | 2016 Jul

REPOSITORIES: biostudies-literature

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Clinical efficacy, radiographic progression, and safety through 156 weeks of therapy with subcutaneous golimumab in combination with methotrexate in Japanese patients with active rheumatoid arthritis despite prior methotrexate therapy: final results of the randomized GO-FORTH trial.

Tanaka Yoshiya Y Harigai Masayoshi M Takeuchi Tsutomu T Yamanaka Hisashi H Ishiguro Naoki N Yamamoto Kazuhiko K Miyasaka Nobuyuki N Koike Takao T Baker Daniel D Ishii Yutaka Y Yoshinari Toru T

Modern rheumatology 20151223 4

<h4>Objective</h4>To evaluate the safety and efficacy of golimumab + methotrexate (MTX) in Japanese patients with active rheumatoid arthritis (RA).<h4>Methods</h4>Japanese patients with active RA despite MTX were randomized to placebo + MTX (Group 1, n = 88), golimumab 50 mg + MTX (Group 2, n = 86), or golimumab 100 mg + MTX (Group 3, n = 87). Patients with <20% improvement in swollen/tender joint counts entered early escape at week 16. At week 24, all remaining placebo patients crossed over to ...[more]

PMID: 26474192

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Project description:ObjectiveReport on radiographic effects and maintenance of clinical benefit with intravenous golimumab 2 mg/kg+methotrexate (MTX) for up to week (wk) 52 in active rheumatoid arthritis (RA).MethodsPatients (n=592) with active RA (?6/66 swollen, ?6/68 tender joints, C reactive protein (CRP) ?1.0 mg/dL and positive for rheumatoid factor and/or anticyclic citrullinated protein antibody at screening) despite MTX ?3 months (stable dose of 15-25 mg/week for ?4 weeks) participated in this multicentre, international, randomised, double blind, placebo controlled, phase 3 study. Patients were randomised (2:1) to receive intravenous golimumab 2 mg/kg or placebo infusions at weeks 0 and 4 and then every 8 weeks; patients continued their stable MTX regimen. Placebo patients started golimumab 2 mg/kg at wk16 (early escape; <10% improvement in tender and swollen joints) or wk24 (crossover by design). Week 24 and wk52 radiographic (van der Heijde-Sharp (vdH-S) scores), clinical efficacy and safety data up to 1 year are reported here.ResultsSignificant and rapid clinical improvement was observed up to wk24 of intravenous golimumab therapy. Golimumab+MTX treated patients demonstrated less radiographic progression than placebo treated patients at wk24 (vdH-S score mean change 0.03 vs 1.09; p<0.001) and wk52 (0.13 vs 1.22; p=0.001). Among patients with ?20% improvement in the American College of Rheumatology response criteria or who achieved a 'good' or 'moderate' response according to the 28 joint Disease Activity Score employing CRP at wk24, approximately 80% maintained this response up until wk52. Through an average of 43.5 weeks of follow-up, 64.6% of patients receiving golimumab+MTX reported adverse events, most commonly non-serious infections.ConclusionsIn patients with active RA despite MTX, intravenous golimumab+MTX yielded significant inhibition of structural damage at wk24 and wk52, and sustained clinical improvement in signs and symptoms with no new safety signals up to 1 year.ClinicaltrialsgovNCT00973479, EudraCT 2008-006 064-11.

Project description:ObjectiveTo evaluate the safety, efficacy, pharmacokinetics, immunogenicity, and radiographic progression through 2 years of treatment with intravenous (IV) golimumab plus methotrexate (MTX) in an open-label extension of a phase III trial of patients with active rheumatoid arthritis (RA) despite MTX therapy.MethodsIn the phase III, double-blind, randomized, placebo-controlled GO-FURTHER trial, 592 patients with active RA were randomized (2:1) to intravenous golimumab 2 mg/kg plus MTX (Group 1) or placebo plus MTX (Group 2) at weeks 0 and 4, then every 8 weeks thereafter; placebo patients crossed over to golimumab at week 16 (early escape) or week 24 (crossover). The final golimumab infusion was at week 100. Assessments included American College of Rheumatology 20%, 50%, 70% (ACR20, ACR50, ACR70) response criteria, 28-joint count disease activity score using the C-reactive protein level (DAS28-CRP), physical function and quality of life measures, and changes in the modified Sharp/van der Heijde scores (SHS). Safety was monitored through week 112.ResultsIn total, 486 patients (82.1%) continued treatment through week 100, and 68.1%, 43.8%, and 23.5% had an ACR20/50/70 response, respectively, at week 100. Clinical response and improvements in physical function and quality of life were generally maintained from week 24 through 2 years. Mean change from baseline to week 100 in SHS score was 0.74 in Group 1 and 2.10 in Group 2 (P = 0.005); progression from week 52 to week 100 was clinically insignificant in both groups. A total of 481 patients completed the safety followup through week 112; 79.1% had an adverse event, and 18.2% had a serious adverse event.ConclusionClinical response to IV golimumab plus MTX was maintained through week 100. Radiographic progression following golimumab treatment was clinically insignificant between week 52 and week 100. No unexpected adverse events occurred through week 112, and the safety profile was consistent with anti-tumor necrosis factor therapy.

Dataset Information

Clinical efficacy, radiographic progression, and safety through 156 weeks of therapy with subcutaneous golimumab in combination with methotrexate in Japanese patients with active rheumatoid arthritis despite prior methotrexate therapy: final results of the randomized GO-FORTH trial.

Publications

Clinical efficacy, radiographic progression, and safety through 156 weeks of therapy with subcutaneous golimumab in combination with methotrexate in Japanese patients with active rheumatoid arthritis despite prior methotrexate therapy: final results of the randomized GO-FORTH trial.

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