There are about 3491 clinical studies being (or have been) conducted in Singapore. 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.
1. To identify the underlying causes of macular haemorrhages in patients with high myopia 2. In the eyes found to have macular haemorrhages secondary to choroidal neovascularisation, we hope to identify the risk factors for the development of choroidal neovascularisation in high myopia 3. To study the functional outcome of these eyes as assessed by visual acuity 4. To study the morphological outcome of these eyes by clinical assessment (and fundal photography) and fluorescein angiography
Assess recovery of macula function after successful scleral buckling surgery for rhegmatogenous retinal detachment by using the multifocal ERG in the postoperative period i.e. recovery of functional integrity 2. Assess the relationship between the neurosensory retina and the retinal pigment epithelium/choriocapillaris after scleral buckling i.e. recovery of structural integrity 3. Assess if there is a difference between macula function postoperatively, in eyes with retinal detachments involving the macula and those that do not.
Tisseel fibrin adhesive has been used extensively in many forms of surgery. Its use in eye surgery has been relatively recent. A few studies recently showed it was effective in securing conjunctival grafts in pterygium surgery, and in securing wounds after glaucoma and squint surgery. We sought to confirm its effectiveness in pterygium surgery, as well as prove its effectiveness in securing other material to the ocular surface such as amniotic membrane. Our hypothesis is that fibrin adhesive is effective in securing various types of material to the ocular surface for a sufficient length of time to allow adequate healing before it is absorbed and degraded.
There is suggestive evidence for a role of dietary in the etiology of asthma and chronic bronchitis. However, there are few prospective data. We propose to expand our collaboration with the Singapore Chinese Health Study to examine dietary, environmental, and genetic factors, along with their interactions, in relation to the risk of developing asthma and chronic bronchitis. The Singapore Chinese Health Study is a cohort of 63,257 men and women of Chinese ethnicity in Singapore who were aged 45-74 years at enrollment from 1993 to 1998. Telephone follow-up of the cohort to update and outcome information began in 1999 and is ongoing. We expect to identify 538 cases of incident asthma and 672 cases of incident chronic bronchitis when the current follow-up questionnaire cycle is complete in 2004. In this proposal, we would validate self-reports of incident asthma, obtain follow-up data from the entire cohort to perform analyses of dietary and smoking in relation to these outcomes, and analyze genetic material on cases of incident asthma and chronic bronchitis and controls from the cohort. In this proposal we will examine the following hypotheses: 1. Higher intake of fruits and/or antioxidant micronutrients decreases the risk of developing asthma and chronic bronchitis. a. Effects if fruit and/or antioxidant micronutrients may differ by smoking history. 2. Common polymorphisms in genes involved in the response to oxidative stress influence the risk of asthma and chronic Bronchitis. We initially propose to examine polymorphisms in three genes--glutathione S-tranferase M1, glutahione S-transferase P1, and matrix metalloproteinase-1. However, we plan to examine additional relevant polymorphisms in the future, especially taking advantage of high throughput screens of candidate genes for asthma and chronic bronchitis. It is possible that by 2004 when the sample set will be available that more compelling candidates and high throughput screens may be available to us at a low cost. Thus we will re-evaluate our choice when the samples are available. 3. Polymorphisms in these and other genes interact with fruit/antioxidant intake and/or smoking to influence the risk of asthma and chronic bronchitis.
The purpose of this study is to compare E7389 versus capecitabine in patients with locally advanced or metastatic breast cancer who are refractory to the most recent chemotherapy. This is an open-label, randomized, two-parallel arm study. Patients will be randomized to receive either E7389 or capecitabine on a one-to-one ratio.
The purpose of this study is to evaluate whether a higher dosage of clopidogrel with aspirin (two doses) will decrease the risk of ischemic complications (cardiac death (CV death), myocardial infarction (MI), stroke) after a percutaneous coronary intervention (PCI).
To compare the toxicity and efficacy of the combination of BCG and interferon alpha to standard dose and low dose BCG alone in high risk superficial bladder cancer
This Year 3 extension of the main study rota-028, 029 or 030 is conducted to evaluate vaccine efficacy against severe rotavirus (RV) gastroenteritis (GE) during third year of life in infants previously vaccinated with human rotavirus (HRV) vaccine or placebo in the following schedules: at 3 and 4 months of age in study rota-028; at 2 and 4 months of age in study rota-029 or rota-030. The Protocol Posting has been updated in order to comply with the FDA Amendment Act, Sep 2007.
To assess the safety and reactogenicity of the DTPa-IPV/Hib vaccine as primary and booster vaccination. The DTPa-IPV/Hib vaccine given at 3 and 4 months of age is co-administered with GSK Biologicals' rotavirus vaccine or Placebo. The Protocol Posting has been updated in order to comply with the FDA Amendment Act, Sep 2007.
To assess the safety and reactogenicity of the DTPa-HBV-IPV/Hib vaccine and DTPa-IPV/Hib vaccine. This DTPa-IPV/Hib vaccine given at 3 and 4 months of age is co-administered with GSK Biologicals' rotavirus vaccine or Placebo. The Protocol Posting has been updated in order to comply with the FDA Amendment Act, Sep 2007.