High Serum Levels of Transforming Growth Factor β1 (TGF-β1) a Risk Factor for Neuropathic Pain in Patients with Multibacillary Leprosy Dewa Ayu Narha Suari, I Putu Eka Widyadharma*, Desak Ketut Indrasari Utami Abstract Leprosy caused by Mycobacterium leprae is a chronic infectious disease, affecting the peripheral nerves, skin, and other