Geneva, Sept. 21 -- International Clinical Trials Registry received information related to the study (ChiCTR2600132152) titled 'Evaluation of Compound Lidocaine Cream for Pain Management in Subcutaneous Injection of ???TcSulfur Colloid' on Sept. 10.

Study Type: Interventional study

Study Design: Parallel

Primary Sponsor: The First Affiliated Hospital of Chongqing Medical University

Condition: breast cancer

Intervention: control group:60 minutes prior to the injection of ??Tc-sulfate colloid, 1 g of placebo (ingredients: petroleum jelly, stearic acid, glycerin, etc. contains no lidocaine or procaine appearance and odor identical to compound lidocaine ointment) was evenly applied to a 3 cm x 3 cm area surrounding the breast puncture...