Geneva, Sept. 25 -- International Clinical Trials Registry received information related to the study (ChiCTR2600132718) titled 'A single-center, prospective, parallel-controlled clinical study evaluating the efficacy of potassium citrate sustained-release tablets in enhancing stone expulsion after extracorporeal shock wave lithotripsy' on Sept. 17.

Study Type: Interventional study

Study Design: Parallel

Primary Sponsor: The Second Affiliated Hospital Of Zhengzhou University

Condition: Upper urinary tract calculi

Intervention: control group:After surgery, standard care is provided, including guidance to drink plenty of water (daily urine output >2L) and taking antispasmodic painkillers if needed, without taking potassium citrate ex...