A Study to Assess Safety, Cellular Kinetics and Exploratory Efficacy of Rapcabtagene Autoleucel in Rheumatoid Arthritis and Sjogren's Disease

Inclusion Criteria: * Signed informed consent must be obtained prior to participation in the study * Men and women aged ≥ 18 years and ≤ 75 years at Screening For RA only * Diagnosis of rheumatoid arthritis * Treatment failure of standard of care therapies * Active disease For SjD only * Diagnosis of Sjogren's disease * Active disease Exclusion Criteria: * BMI at Screening of ≤17 or ≥ 40 kg/m2 * Clinically significant active, opportunistic, chronic or recurrent infection * Sexually active males unwilling to use a condom during intercourse from the time enrollment * Women of childbearing potential, unless they are using a highly effective method of contraception starting from the time of enrollment * Female participants who are pregnant, breastfeeding or intending to conceive during the course of the study * Inadequate organ function during screening * History of lymphoproliferative disease or any known malignancy or history of malignancy * History of bone marrow/hematopoietic stem cell or solid organ transplantation * Any psychiatric condition or disability making compliance with treatment or informed consent impossible Other protocol-defined inclusion/exclusion criteria may apply.