Belimumab is used in: (A) Osteoporosis, (B) Malignant melanoma, (C) Merkel cell carcinoma, (D) Systemic lupus erythematous
Answer is D. Belimumab is a monoclonal antibody against B - cell activating factor ( BAFF ) and is thus useful in decreasing autoimmune response in Systemic lupus erythematous .