Longevity & AgingOne Shingles Vaccine Dose Before JAK Inhibitors May Be Enough for RA Patients
For people with rheumatoid arthritis starting JAK inhibitor drugs like tofacitinib, timing relative to shingles vaccination matters — but perhaps less than previously thought. A small randomized trial from Japan found that patients who began tofacitinib after just the first of two shingles vaccine doses had similar antibody responses by 12 weeks compared to those who waited until after both doses. Early arthritis control was better in the group that started the drug sooner, and by week 12 disease activity scores were comparable between groups. JAK inhibitors raise shingles risk, making vaccination important, but these drugs can blunt vaccine responses. This study suggests completing full vaccination before starting JAK inhibitors may boost early immunity, though waiting must be weighed against the need for timely arthritis treatment.