Randomised clinical trials.

Ethics of randomised clinical trials.

Up to now there are no generally accepted ethical guidelines for controlled studies. The issue is hardly discussed in the Helsinki Declaration even in its last version. The reason might be that in many of these studies it is difficult to determine whether to classify them as 'mere patient-care' or as research. If they are to be considered as mere patient-care, the doctor is under the obligation...

Patient preferences and randomised clinical trials.

Multicentre randomised clinical trials in trauma care.

Multicentre clinical trials in trauma care are gaining prominence as a means of generating good-quality evidence to inform and influence clinical practice. We believe multicentre trials have an important role to play in supporting evidence-based practice, and further investment in such trials is justified.

Evaluation of Clinical Trials

In a number of important clinical issues such as evaluation of the efficacy or effectiveness of therapeutic or preventive interventions as well as for comparing the harms of interventions, randomized controlled trials (RCTs) provide the highest levels of evidence, either directly or indirectly. It is obvious that critical appraisal of these studies to assess their validity and precision is of p...

Evidence Based Medicine: Clinical Trials

Evidence based medicine is very important for success of modern medicine. It is the ongoing process of using the most reliable evidence from clinical studies, scientific understanding and medical practice to make the best possible medical choice for patients. Evidence based medicine is how medicine advances and how we get improvements in life expectancy and quality of life. It not only identifi...