PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 34726701-9 2021 The effect of RTX and Methotrexate was additive in terms of seroconversion rates (23% vs 50% in patients receiving RTX in monotherapy, p= 0.12) and SARS-CoV-2 spike antibody levels (3.80 AU/ml, 95% confidence interval, CI 3.80-7.50 AU/ml vs 75 AU/ml, 95% CI 3.8-353 AU/ml in patients receiving RTX in monotherapy p= 0.025). Methotrexate 22-34 surface glycoprotein Severe acute respiratory syndrome coronavirus 2 159-164