CLINICAL TRIAL Meaning and
Definition
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A clinical trial refers to a systematic and controlled study conducted to evaluate the safety and effectiveness of medical interventions, treatments, drugs, procedures, or devices on human subjects. It is a pivotal step in the process of bringing new therapies or interventions to the market, as well as determining their efficacy, safety, and potential side effects.
Clinical trials typically involve a rigorous and well-designed protocol, including a specific plan outlining the research question(s), eligibility criteria for participants, treatment regimens, and outcome measures. These trials can be divided into several phases, each serving distinct purposes. Phase I trials often focus on assessing the safety and dosage of an intervention in a small group of healthy volunteers or patients. Phase II trials aim to evaluate the effectiveness and side effects in a larger sample size, while Phase III trials further expand the participant pool to assess and compare the intervention to existing treatments or placebos. Finally, Phase IV trials, also known as post-marketing or surveillance studies, investigate the long-term effects of the intervention once it is approved and available on the market.
Clinical trials adhere to strict ethical guidelines and regulations to ensure the protection of participants' rights and safety. They are typically carried out by researchers in academic institutions, pharmaceutical companies, or medical centers and are an essential part of evidence-based medicine, shaping healthcare practices and providing vital data for regulatory authorities and healthcare professionals to make informed decisions.
Common Misspellings for CLINICAL TRIAL
- xlinical trial
- vlinical trial
- flinical trial
- dlinical trial
- ckinical trial
- cpinical trial
- coinical trial
- clunical trial
- cljnical trial
- clknical trial
- clonical trial
- cl9nical trial
- cl8nical trial
- clibical trial
- climical trial
- clijical trial
- clihical trial
- clinucal trial
- clinjcal trial
Etymology of CLINICAL TRIAL
The word "clinical trial" has its etymological roots in the Latin language.
The term "clinical" is derived from the Latin word "clinicus", which means "bedside", and can be traced back to the Greek word "klinē", meaning "bed". It originally referred to the practice of medicine at the bedside of a patient.
The word "trial" comes from the Latin word "triālis", which means "pertaining to three", or "related to three". This is because in Roman law, a trial was often divided into three parts: the opening statement, the presentation of evidence, and the final verdict.
When combined, "clinical trial" refers to a scientific study or experiment conducted on human subjects to determine the safety and effectiveness of a new medical intervention or treatment.
Similar spelling words for CLINICAL TRIAL
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