Clinical Trials are very time-consuming, and that’s why they are divided into multiple parts. These phases of clinical trials make it easier to conduct the entire trial without much stress. There are four phases in any clinical trial, and the number of phases might change depending on the length of the trial.
These phases are designed in a way to help researchers smoothly conduct the trials. Each phase has a different purpose in the trials, and that’s what we are going to learn in this blog post.
Phases of Clinical Trials
#1 – First Phase
The first phase is designed to kick-start the trial. In this phase, the researchers start grouping the participants. The participants are grouped according to their health issues, severity and many other things. After that, the researchers start administering the medicine or the treatment options. As there are only a few people in this phase, the researchers identify the safety of the medicine. If any adverse effects are observed, the researchers adjust the dosage to identify the safe dosage.
#2 – Second Phase
In the second phase, the researchers accept a few more participants. There are more than a few hundred participants for better experimentation. As the safety and dosage are determined in the first phase, the researchers focus on the effectiveness of the medicine. They also focus on various factors like dosage optimizations. This phase is very important as the trial can be paused if any issues are encountered.
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#3 – Third Phase
The third phase is the biggest phase and the final active phase. In this phase, the researchers recruit a huge number of participants. This phase is important to understand the effects of the medicine on a wide range of populations. This phase includes the diverse participants from all over the world or the country. This is the last active phase, and after completion, the researchers focus on the data collection and analysis and wait for the final approval.
#4 – Fourth Phase
The fourth is the final phase, and in this phase, the researchers submit the report to the government authorities. The regulatory authorities or the government analyze the reports and the provided data. Once the authorities are satisfied with the results, they provide the final approval, and the medicine or treatment option can be made available to the public.
Final Words
Even though the phases of clinical trials make it look easier and streamlined, they take a long time from initiation to completion. It’s all the skill and perseverance of the researchers to conduct these trials and finalize the groundbreaking medicines for the common people.
Keyword – phases of clinical trials