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Although inhibition of the angiotensin-converting enzyme is considered to be efficient treatment for hypertension associated with chronic renal failure, care should be taken when captopril is administered initially to a patient with decreased renal function, under the conditions of sodium and water depletion.
 potential therapeutic event: treatment 
Please tell me event type and its trigger word from given type options. Output format is "type: trigger".  Option: adverse event, potential therapeutic event 
Text: {0} 
Answer:
 potential therapeutic event: treatment 