Clinical researches or clinical trials have the same objective means both clinical research and clinical trials are conducted to make human lives better through new methods of diagnosis, treatments, and devices. The clinical trials take several years because the trials have 4 different phases and each phase is a crucial part to approve the drug or treatment from FDA. In each trial, the drug or treatment is tested on a number of participants to find out the most possible side effects and benefits of the results. Each medical treatment or drug is the result of years of studies because the researches behind each drug are not enough a single treatment or drug many types of research are involved such as research on the disease, particular conditions, and potential drug targets.
Clinical Research
Clinical research is particularly about the findings of diseases and human health. Clinical researches are mainly divided into two categories interventional studies and observational studies.
Interventional Studies
An interventional study is a clinical study that is conducted to investigate a new treatment. The under-investigation treatment could be a new drug, medical device, and surgery. The intervention study has a pre-defined question to find out the answer to the research that has been conducted. The investigation of the study usually has the objective to find out the efficacy and safety of the drug or treatment. if the intervention study has a positive outcome then the drug and treatment forward to the next step and the step is clinical trials.
Clinical Trials
Clinical trials take many years to approve the drug or treatment in the market. The clinical trial has phases that starts from 0 to 4 and each trial has its importance because if the drug is approved in one or two trial or if any side effect appears in the third phase then the drug or treatment will not forward into another phase. All phases in the clinical trials mainly have two objects that are related to the safety of the drug and efficacy of the drugs but the difference is the phase 0 starts from a small group of people and in the next phase the participant in the research is increasing and in the third or fourth trial the participants are taken from the different populations throughout the world because the individuals living in different countries have different living conditions.
Observational Study
The observational study is the part of clinical study in the observational study the researchers observed the results of a particular treatment without any changes. In this type of study the participants do not know that they are the part of research and most of the time the researcher just gives them a questionnaire to find out the data of the research.
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