There are about 36818 clinical studies being (or have been) conducted in China. The country of the clinical trial is determined by the location of where the clinical research is being studied. Most studies are often held in multiple locations & countries.
The researchers collect patients who accepted eradication program of the helicobacter pylori but failed to eradicate helicobacter pylor from the outpatient clinic. After rescue therapy, evaluating the effect of retreatment interval on eradication effect of Helicobacter pylori infection.
This multicenter retrospectively observational cohort study was conducted on participants with histologically confirmed gastric and colorectal cancer who underwent radical surgery in 11 medical centers in China from August 1, 2015, to June 31, 2018. Baseline clinicopathologic data and nutritional status assessments including Nutrition Risk Screening 2002 (NRS 2002) score and Patient-generated Subjective Global Assessment (PG-SGA) rating were collected. Variables will be screened using the least absolute shrinkage and selection operator (LASSO) regression model and Cox regression analysis. Internal and external validations will be performed via the receiver operating curve (ROC), the area under the curve (AUC), the concordance index (C-index), calibration plots, decision curve analysis (DCA), and Five folds cross-validation by 200 times.
This is an Open Phase II Clinical Study of Tislelizumab Combined with Lenvatinib and GEMOX Versus Tislelizumab Combined with GEMOX in the Treatment of Locally Advanced Intrahepatic Cholangiocarcinoma and Gallbladder Cancer.
Multiple myeloma patients with normal ability of communication and understanding will be enrolled. DT, GAD-7, PHQ-15 and PSQI scales are designed to assess the mental health status of the patients. Demographic and disease data of patients will be collected as well. The main aim is to explore the factors affecting the mental health of myeloma patients.
The primary objective of this study is to demonstrate the superior efficacy versus placebo of BG2109 alone and in combination with add-back therapy for the reduction of heavy menstrual bleeding associated with uterine fibroids in premenopausal women.
This is a multi-center, randomized, double-blind, placebo-controlled clinical trial to assess the efficacy and safety of RAY1216 tablets in the treatment of mild to moderate SARS-CoV-2 infection. The total study duration is up to 28 days.
This study is a multicenter observational study designed to evaluate the the effectiveness and safety of drug-coated balloon (DCB) angioplasty for below the knee arterial lesions in patients critical with Limb Threatening Ischemia (CLTI).
The DEEP cohort is the first population-based cohort of pregnant population in China that longitudinally documents drug uses throughout the pregnancy life course and adverse pregnancy outcomes.
This study plans to observe the changes of liver cancer and immune cell subsets by replicating the high abundance intestinal flora and liver cancer mouse model, reveal the relationship and mechanism of intestinal flora in the immunotherapy of liver cancer, and study the impact on prognosis by regulating the positive correlation of lactic acid bacteria and bifidobacteria of rumen coccus in patients with advanced liver cancer receiving immunotherapy
This study will assess the safety,efficacy,pharmacokinetics and pharmacodynamics of multiple-dose of STSP-0601 at two dose levels for the treatment of bleeding episodes in hemophilia A or B patients without inhibitor.