<qa>  What is the randomized controlled trial of patients who have an episode of Stage 23 AKIThis is a pilot single center, randomized controlled, trial of patients who have an episode of Stage 23 AKI and are followed in a focused post-AKI clinic. Patients will be randomize to either; a. LPD-K diet containing 0.6 g proteinkg per day, phosphorus 5-10 mgkgday, Ketosteril 1 capsule per 5 kg body weightday divided over three doses max 8 capsules per dose or b. ad lib diet. Ketosteril should be takes daily during meals and the tablets must not be chewed. Ingestion during meals facilitates proper absorption and the metabolisation into the corresponding amino acids. 