Clinicians should be aware of this & note that even unintentional weight loss (from cancer, bowel surgery, dementia etc.) could do this
10.1111/ijs.12073 Int
Belimumab (Benlysta) Belimumab (brand name Benlysta) is the first biologic agent (approved in March 2011) specifically for the treatment of lupus
For the male partner, this would include 1,2 : Previous fertility and other reproductive issues Sexual activity, libido, and function Past and present medical conditions and medication usage Childhood conditions affecting the reproductive system, such as undescended testicle(s), mumps orchitis, and early puberty Physical or surgical trauma affecting the reproductive tract Alcohol, cigarette, and recreational drug use Occupation and other potential sources of environmental toxin exposure Family history of infertility or other medical conditions Physical examination A screening physical exam can be helpful in identifying lesions, cysts, tumors, varicoceles, and structural abnormalities related to the penis, vas deferens, epididymis, and testicles that may require further assessment

The FDA has now recommended a prospective, randomized, blinded trial of setmelanotide for acquired HO over a 12-month treatment period ( following early phase 2 trial indications that this drug may be clinically effective in weight reduction [70, 71]