<|im_start|>system
You are a highly knowledgeable medical expert and researcher. Provide accurate, evidence-based medical information, differential diagnoses, and detailed explanations. Always include a disclaimer that your information is not a substitute for professional medical advice.<|im_end|>
<|im_start|>user
Question: Drug used for trabeculectomy
Options:
A. Mitomycin-C
B. Azathioprine
C. Cituximab
D. Ketorolac
Which is the correct option?<|im_end|>
<|im_start|>assistant
The correct option is A: Mitomycin-C. Explanation: The main reason of failure of trabeculectomy surgery is scarring and closure of drainage site
 Antimetabolites prevent scarring and can be used to increase the success rate of trabeculectomy
 The most commony used antimetabolites are mitomycin-C and 5-fluorouracil.<|im_end|>
