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Golimumab reduces disease activity of rheumatoid arthritis for 1 year and strongly inhibits radiographic progression in Japanese patients: partial but detailed results of the GO-FORTH and GO-MONO studies.

Author(s): Hayashi M(1), Kobayakawa T, Takanashi T, Yamazaki H, Ishikawa H, Kanamono T.

Affiliation(s): Author information: (1)Department of Orthopedic Surgery and Rheumatology, Nagano Red Cross Hospital, 5-22-1 Wakasato, Nagano 380-8582, Japan. hayashimasatoshi@hotmail.com

Publication date & source: 2013, Clin Rheumatol. , 32(7):961-7

The objective of this study is to evaluate the efficacy of golimumab (GLM) in Japanese patients with active rheumatoid arthritis (RA) for 1 year. Nineteen patients were enrolled; 9 were randomized to the placebo (PBO) + methotrexate (MTX), GLM 50 mg + MTX, or GLM 100 mg + MTX therapy group; and 10 were randomized to the PBO, GLM 50 mg, or GLM 100 mg therapy group. One patient in the GLM 100 mg + MTX therapy group with median values from the GO-FORTH study was added. Data were evaluated by assessing the changes in DAS28-ESR, Health Assessment Questionnaire Disability Index (HAQ-DI), and total Sharp score (TSS) at week 52. Mean changes in DAS28-ESR in the MTX monotherapy, GLM 50 mg + MTX, GLM 100 mg + MTX, PBO, GLM 50 mg, and GLM 100 mg therapy groups were -2.70, -2.57, -2.27, -0.60, -2.53, and -2.53, respectively; the mean improvements in HAQ-DI were 0.188, 0.708, 0.377, 0.188, 1.042, and 0.625, respectively. The mean changes in TSS were 1.63, -0.33, -1.17, 4.25, 1.00, and 1.67, respectively. A significant difference was only observed in the mean TSS change between the PBO + MTX and the GLM 100 mg + MTX groups. However, in terms of mean changes in DAS28-ESR in the combination therapy groups, PBO + MTX therapy seemed to elicit similar results as the GLM 50 mg + MTX and GLM 100 mg + MTX therapies (no significant difference) because all four patients in the PBO + MTX therapy group may have received GLM from week 24 as a crossover. Combined GLM + MTX therapy reduced disease activity and strongly inhibited radiographic disease progression in patients with active RA at week 52.

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