Clinical trials are no more a closed agenda with only the medical authorities taking part in it. Today there are various individuals who take part in clinical trials. Some of them may be healthy, whilst the other might encounter some illness. A healthy volunteer is one who has no critical ailments and takes part in the clinical research in order to examine a new drug, device or a clinical intervention.

1. How do Volunteers Help in Clinical Trials?
Clinical trials are no more a closed agenda with only the medical authorities taking part in it. Today there
are various individuals who take part in clinical trials. Some of them may be healthy, whilst the other
might encounter some illness. A healthy volunteer is one who has no critical ailments and takes part in
the clinical research in order to examine a new drug, device or a clinical intervention. The research
processes with healthy volunteers are set up in a way to discover new treatment modes and knowledge
to the already existing ailments.
Clinical Trials for Healthy Volunteers
Healthy volunteers are required for various purposes. When establishing a new process, like blood test
or an imaging device, the healthy volunteers also termed as the normal volunteers help in determining
what count is normal. These volunteers act as controls for the patient group and in most cases are
compared with the patients on aspects such as gender, age and family relationship. They undergo the
same test, medical process or the drug that a patient undergoes. The clinical investigators then come
know about the way a certain disease affects the body and the way in which a treatment can be
achieved at.
Other aspects like how much time is required, the discomfort that might ensue in the process or the risk
involved depends mostly on the clinical trial. Whilst certain Phase 1 studies with healthy volunteers
need a very less time and effort, others might require more time than expected and might also involve
certain criticalities. The consent procedure for the healthy volunteers comprises of a detailed
discussion/consultation to the medical processes and tests they need to be a part of.
Volunteers having ailments
Other than healthy volunteers there are also patient volunteers that might be engaged in clinical trials.
These studies aim to discover new aspects about the present drugs, medical equipments, and other
modalities that are aimed at treating, curing or preventing these diseases. Though these trials

2. particularly benefit the patients, the main objective is scientifically proved the impact and restrictions of
the experimental treatment.
However, every clinical trial has its guidelines regarding who all can take part, termed as the
Inclusion/Exclusion criteria. Inclusion factors allow someone to participate where as exclusion excludes
someone from participating in the trial. These criteria’s are dependent on aspects such as gender, age,
stage and the kind of ailment, earlier treatment record and other vital medical conditions. Prior to
joining a clinical trial every participant needs to qualify for the study. Furthermore, there are research
studies that seek volunteers with ailments to arrive at a new drug development theory.
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