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Efficacy and safety of intravenous golimumab plus methotrexate in patients with rheumatoid arthritis aged

Author

Tesser J1, Kafka S2, DeHoratius RJ2,3, Xu S4, Hsia EC4,5, Turkiewicz A6. Arthritis Res Ther. 2019 Aug 20;21(1):190. doi: 10.1186/s13075-019-1968-x.

Author Information

1 Arizona Arthritis and Rheumatology Associates, Phoenix, AZ, USA. jtesser1@cox.net.

2 Janssen Scientific Affairs, LLC, Horsham, PA, USA.

3 Sidney Kimmel School of Medicine, Thomas Jefferson University, Philadelphia, PA, USA.

4 Janssen Research & Development, LLC, Spring House, PA, USA.

5 University of Pennsylvania, Philadelphia, PA, USA.

6 Rheumatology Associates, Birmingham, AL, USA.

Abstract

OBJECTIVE: 

To evaluate the safety and efficacy of intravenous golimumab + methotrexate (MTX) in patients with active rheumatoid arthritis (RA) aged < 65 years and those ≥ 65 years who were enrolled in the GO-FURTHER study.

METHODS: 

In the phase III, double-blind, randomized, placebo-controlled GO-FURTHER trial, patients with active RA were randomized to intravenous (IV) golimumab 2 mg/kg + MTX or placebo + MTX at weeks 0 and 4, then every 8 weeks thereafter (with crossover to golimumab at week 16 [early escape] or week 24 [per-protocol]). The final golimumab infusion was at week 100. Assessments included American College of Rheumatology (ACR) 20/50/70 response criteria. Efficacy and adverse events (AEs) were monitored through 2 years. Efficacy and AEs were summarized for patients aged < 65 years or ≥ 65 years; AEs were also summarized for patients < or ≥ 70 years and patients < or ≥ 75 years.

RESULTS: 

In GO-FURTHER, 592 patients were randomized to receive placebo (n = 197) or golimumab (n = 395), 515 were aged < 65 years and 77 were ≥ 65 years. At week 24, ACR20 response rates were greater for golimumab + MTX patients compared with placebo + MTX for patients < 65 years (61.6% vs 31.3%, p < 0.001) and those ≥ 65 years (69.5% vs 33.3%; p < 0.01). Infections were the most common AE through week 112 (51.6% in patients < 65 years; 55.3% in patients ≥ 65 years); upper respiratory infections were the most common infection in patients < 65 years (13.2%) and those ≥ 65 years (11.8%). Serious AEs occurred in 17.7% in patients < 65 years and 25.0% of patients ≥ 65 years and included malignancies, pneumonia, fractures, acute pancreatitis, cellulitis, and bacterial arthritis.

CONCLUSIONS: 

In GO-FURTHER, ACR response rates were similar between patients < 65 years and patients ≥ 65 years within each treatment group. AEs in elderly patients were similar to the known safety profile of IV golimumab. Immunosenescence is known to increase the risk of infections in the elderly. Elderly patients had a numerically higher incidence of serious infections. Six malignancies occurred in golimumab-treated patients, all in patients < 65 years.

TRIAL REGISTRATION: 

clinicaltrials.gov: NCT00973479 . Registered September 9, 2009.