Vol. 33 (7) 2012 Neuro endocrinology letters

Ropinirole does not affect plasma arginine vasopressin levels in patients with advanced Parkinson's disease.

OBJECTIVES: Several cases of syndrome of inappropriate antidiuresis induced by anti-Parkinson agents have been reported. Our previous study demonstrated that pergolide and pramipexole stimulated elevation of plasma arginine vasopressin (AVP) levels in some patients with Parkinson's disease (PD), but that levodopa/carbidopa (300/30 mg/da.....