This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Chemotherapy: General Principles, Subject name: Pharmacology
Which of the following fluoroquinolones does not require dose adjustment in a patient with creatinine clearance of < 50 mg/min? 
Select and explain. 
A. Ciprofloxacin, B. Trovafloxacin, C. Lomefloxacin, D. Sparfloxacin
B: Trovafloxacin
Answer: B: Trovafloxacin 
Explanation: Ans. (B) Trovafloxacin(Goodman & Gilman 11/e p1121)Fluoroquinolones safe in renal failure are:P - PefloxacinM - MoxifloxacinT - Trovafloxacin