IRCT20201113049373N3 IRCT 2021-11-01 Tehran University of Medical Sciences Evaluation of the effect of the principles of the Modified Program of enhanced Recovery (ERAS) in ambulatory laparoscopic cholecystectomy in comparison with the traditional method and its effect on the quality of life of patients Evaluation of the effect of the principles of the Modified Program of enhanced Recovery (ERAS) in ambulatory laparoscopic cholecystectomy in comparison with the traditional method and its effect on the quality of life of patients 2021-10-02 anticipated 80 Complete https://irct.ir/trial/59422 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment, Randomization description: اn order to randomization based on blocking of quadruple numbers used variable blocks that was easy method and equation of Groups. Samples devided to A and B that there was Six type : AABB, ABAB, ABBA, BBAA, BABA, BAAB. 2 Chronic cholecystitis and symptomatic biliary colic. Intervention 1: Intervention group: Patients candidate cholecystectomy that recevied ERAS protocol. Intervention 2: Control group: Patients did not receive ERAS protocol. Undecided - It is not yet known if there will be a plan to make this available Justification or reason for indecision in sharing IPD is Not all data can be shared.