This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Other topics and Adverse effects, Subject name: Anatomy
A 47-year-old male, Kishore exhibited signs and symptoms of acromegaly. Radioogic studies showed the presence of a large pituitary tumor. Surgical treatment of the tumor was only paially effective in controlling the disease. At this point, which of the following drugs is most likely to be used a spharmacological therapy? 
Select and explain. 
A. Desmopressin, B. Leuprolide, C. Octreotide, D. Somatropin
C: Octreotide
Answer: C: Octreotide 
Explanation: (Ref: KDT6/e p577) Drugs useful in acromegaly are: Bromocriptine and cabergoline Somatostatin Octreotide (long acting somatostatin analogue) Pegvisomant (growth hormone receptor antagonist)