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.
This 2 arm study will compare the efficacy and safety of CellCept plus corticosteroids, versus cyclophosphamide plus corticosteroids in the induction phase followed by azathioprine in the maintenance phase, in maintaining remission and renal function in patients with lupus nephritis. Patients will be randomized to receive CellCept 1g bid po plus corticosteroids for 24 weeks, followed by CellCept 0.75g bid po plus corticosteroids for the following 24 weeks, or cyclophosphamide 0.5-1.0g/m2 monthly plus corticosteroids for 24 weeks, followed by azathioprine 2mg/kg/day po plus corticosteroids for the following 24 weeks. Response rate will be assessed at the end of the induction phase, and at the end of study. The anticipated time on study treatment is 3-12 months, and the target sample size is 100-500 individuals.
The purpose of the Optimize RV study is to determine the long-term effect of selective site pacing. Selective site pacing refers to which area of the right ventricle the lead is placed. The goal of select site pacing is to improve how the heart contracts when paced in the ventricle. By pacing in select sites, it is possible to better copy the natural pattern of contraction of the heart.
This study will evaluate the safety and efficacy of Tegaserod in opioid-induced constipation in patients with non-cancer pain. Patients who enter this study PRIOR to the core study (CHTF919N2201) interim analysis receive the treatment as follows: Patients will be randomly assigned to receive open label tegaserod 6 mg b.i.d. or tegaserod 12 mg o.d. using an allocation ratio of 1:1. Patients who enter this study AFTER the core study interim analysis receive the treatment as follows: Patients will be assigned to receive the selected tegaserod dose regimen (as determined by the core study interim analysis) in an open label fashion.
In an effort to identify genetic factors linked to the development of nasopharyngeal cancer (NPC), the researchers identified and sampled 2,394 individuals from Taiwanese families in which two or more relatives had been diagnosed with NPC. Serum from these individuals was tested for three anti-Epstein-Barr virus (EPV) antibodies associated with elevated risk of NPC. Results indicate that apparently healthy individuals from high-risk families have a nearly threefold elevation in their EBV antibody prevalence compared with the general population. However, the clinical implications of this finding are not yet understood. To clarify the implications, the 2,394 unaffected individuals from the multiplex family study will be invited to participate in the current study. Approximately 1,600 individuals are expected to participate. Participants will have an ear, nose, and throat examination to determine if they have occult or symptomatic NPC. Their levels of EBV antibody at the time of initial recruitment will be correlated with NPC detection in the period between initial recruitment and the present study. Participants will also be asked to complete a brief risk factor questionnaire and to donate blood, saliva, a nasopharyngeal swab, nasopharyngeal tissue, and urine for future studies. Currently, no accepted clinical management protocol exists for screening unaffected members from families at high risk of NPC development. Results from this study have the potential to significantly impact the clinical management and follow-up of individuals with a family history of NPC.
Esophageal cancer is a common malignancy with a very poor prognosis. The principal reason for its poor prognosis is that most tumors are asymptomatic and go undetected until they have spread beyond the esophageal wall and are unresectable. Significant reduction in esophageal cancer mortality will require successful strategies to diagnose and treat more cases at earlier, more curable stages of disease. A successful early detection program will require an accurate, patient-acceptable screening test, confirmatory tests that can localize precursor and early invasive lesions, and one or more curative therapies that are acceptable to asymptomatic patients. This project includes five studies designed to evaluate techniques that may be useful in such an early detection program: 1. The Cytology Sampling Study will estimate and compare the sensitivity of several cytologic samplers for identifying biopsy-proven dysplasia and cancer of the esophagus. 2. The Mucosal Staining Study will evaluate whether mucosal straining can improve endoscopic localization of esophageal dysplasia and cancer. 3. The Endoscopic Staging Study will evaluate how accurately endoscopic techniques can stage dysplasia and early invasive cancer of the esophagus. 4. The Endoscopic Therapy Pilot Study will evaluate the feasibility, safety, acceptability and preliminary efficacy of endoscopic therapies for removing or ablating focal high-grade dysplasias and early invasive cancers of the esphagus. 5. The Chemoregression Study will evaluate the ability of oral chemopreventive agents to reduce progression or cause regression of low-grade squamous dysplasia of the esophagus. This project will be carried out in Linxian, China, a county with extraordinary rates of esophageal cancer and a correspondingly high prevalence of the asymptomatic precursor and early invasive lesions that are needed for these studies. The project will be a collaborative effort of investigators from NCI, the Cancer Institute of the Chinese Academy of Medical Sciences, and several U.S. universities.
The primary goal of the trial was to evaluate whether the optimal antiproteinuric doses of benazepril (an ACE inhibitor) or losartan (an ARB), as compared with their conventional doses, can safely improve the long-term renal outcome in nondiabetic patients with proteinuria and chronic renal insufficiency. The second aim was to compare the long-term renal protection between benazepril and losartan at similar clinical setting.
There are no standardized plasma volume replacement protocols during liver transplantation surgery. The current study is designed to compare efficacy, safety, and costs of perioperative volume replacement with Voluven (Hydroxyethyl starch 130/0.4) and albumin in patients undergoing liver transplantation.
Drug abuse and HIV/AIDS are serious global health problems. Injection drug use is currently the major mode of transmission of HIV in many countries. The purpose of this study is to determine the effectiveness of drug and risk reduction counseling combined with either substitution drug treatment with buprenorphine/naloxone (BUP/NX) or short-term detoxification with BUP/NX in preventing HIV transmission among injection drug users. Participants will be recruited for this study in China and Thailand.
The primary objective is to show whether rimonabant reduces the risk of a heart attack (MI), stroke, or death from an MI or stroke in patients with abdominal obesity with other cardiovascular (CV) risk factors. The secondary objective is to show whether rimonabant reduces the risk of MI, stroke, CV death, or CV hospitalization in these patients.
To assess the efficacy and safety of PF-3512676 administered in combination with gemcitabine/cisplatin chemotherapy as first-line treatment in patients with locally advanced or metastatic Non-Small-Cell Lung Cancer (NSCLC) and to compare it to the efficacy and safety of gemcitabine/cisplatin alone.