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| What
is a clinical trial? |
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| What is a Protocol? |
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| Why participate in a clinical
trial? |
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| What questions should I ask
before I agree to be in a clinical trial? |
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| Where are clinical trials
conducted? |
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| Who can participate in a
clinical trial? |
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| What happens during a clinical
trial? |
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| What is informed consent? |
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| What are side effects and
adverse reactions? |
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| How is the safety of the
participant protected? |
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| What is a placebo? |
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| What are the main types and
phases of clinical trials? |
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| Will I be paid for participating
in a clinical trial? |
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| What
is a clinical trial? |
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A clinical trial is a research study in human
volunteers to answer specific health questions. Carefully conducted
clinical trials are the safest and fastest way to find treatments
that work in people, and new ways to improve health.
There are different kinds of clinical trials, including those
to study:
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- prevention options
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new treatments or new ways
to use existing treatments
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new screening and diagnostic
techniques
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options for improving the
quality of life for people who have serious medical conditions
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Usually, clincal trials compare a new product
or therapy to something else to see if it works as well or better
to treat or prevent a disease or condition.
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| What
is a Protocol? |
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Clinical trials are conducted
according to a plan called a protocol. The protocol describes what
types of patients may enter the study, schedules of tests and procedures,
drugs, dosages, and length of study, as well as the outcomes that
will be measured. Each person participating in the study must agree
to the rules set out by the protocol.
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| Why
participate in a clinical trial? |
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Participanting in clinical trials
can play a more active role in your own healthcare. You may gain
access to new research treatments before they are widely available
and expert medical advice during the course of the trial. You also
help others by contributing to medical research. |
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| What
questions should I ask before I agree to be in a clinical trial? |
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You have the right to ask any number
of questions prior to volunteering. They may include: |
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- Has this drug been tested on humans before?
If so, to what extent?
- What is the purpose of the drug?
- What are the expected risks?
- Which company developed the drug?
- Will there be any complicated procedures carried
out?
- What is the samples type and how often will
they be taken?
- How long does the trial last?
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| Where
are clinical trials conducted? |
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| Clinical trials can be sponsored by an organization
such as a pharmaceutical company, a governmental agency. The sponsor
determines the location(s) of the trials which are usually conducted
at universities, medical centers, clinics, doctor's offices, and/or
at hospitals. |
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| Who
can participate in a clinical trial? |
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All clinical trials
have guidelines about who can participate. The factors that allow
someone to participate in a clinical trial are called "inclusion
criteria" and those that disallow someone from participating
are called "exclusion criteria".
These criteria are based on such factors as age, gender, the type
and stage of a disease, previous treatment history, and other medical
conditions. Before joining a clinical trial, a participant must
qualify for the study. It is important to note that inclusion and
exclusion criteria are not used to reject people personally. Instead,
the criteria are used to identify appropriate participants and keep
them safe.
Healthy volunteers who seek to
advance knowledge about causes, progress, and treatment of disease
also can participate in clinical research. They provide important
medical information to researchers by helping them compare how healthy
people differ medically from those who have a specific disease. |
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| What
happens during a clinical trial? |
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| The clinical trial team includes doctors and nurses
as well as social workers and other health care professionals. They
check the health of the participant at the beginning of the trial,
give specific instructions for participating in the trial, monitor
the participant carefully during the trial, and stay in touch after
the trial is completed. |
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| What
is informed consent? |
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| Informed consent is the process of learning the
key facts about a clinical trial before deciding whether or not to
participate. To help someone decide whether or not to participate,
the doctors and nurses involved in the trial explain the details of
the study in the participant’s native language at a level of
complexity which the participant can understand. Risks and potential
benefits are explained in the informed consent document. The participant
then decides whether or not to sign the document. Informed consent
is not a contract, and the participant may withdraw from the trial
at any time. |
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| What
are side effects and adverse reactions? |
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Side effects are any undesired actions or effects
of the experimental drug or treatment. Negative or adverse effects
may include headache, nausea, hair loss, skin irritation, or other
physical problems. Experimental treatments must be evaluated for both
immediate and long-term side effects.
What should people think about before joining a clinical trial?
People should learn as much as possible about the clinical trials
that interest them. They should also feel comfortable discussing their
questions and concerns with members of the health care team. Prospective
participants should understand what happens during the trial, the
type of health care they will receive, and any costs to them - which
may or may not include the cost of the product, costs associated with
administering the product, etc. |
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| How
is the safety of the participant protected? |
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| The ethical and legal codes that govern medical
practice also apply to clinical trials. In addition, most clinical
research is regulated with built in laws to protect the participants.
As a clinical trial progresses, researchers report the results of
the trial at scientific meetings, to medical journals, and to various
government agencies. Individual participants' names will remain secret
and will not be mentioned in these reports. |
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| What
is a placebo? |
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| A placebo is an inactive pill, liquid, or powder
that has no treatment value. In clinical trials, experimental treatments
are often compared with placebos to assess the experimental treatment's
effectiveness. In some studies, the participants in a group will receive
a placebo instead of an active drug or experimental treatment. |
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| What
are the main types and phases of clinical trials? |
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There are four
types of drug studies:
Phase 1 studies test a potential
new drug with a small number of volunteers for best dosage and
potential side effects.
Phase 2 studies test a drug
with known dose and side effects with a larger number of volunteers
to learn more about side effects, how the body uses the drug,
and how the drug helps the condition.
Phase 3 and 4 studies compare
the new drug with a commonly used drug, treatment or placebo.
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| Will
I be paid for participating in a clinical trial? |
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| Subjects are sometimes paid for their participation
in research, especially in the early phases. Payment to research subjects
for participation in studies is considered as a recruitment incentive.
Financial incentives are most often used when health benefits to subjects
are little or nonexistent. Volunteers may be offered compensation
in certain trials for their time, for travel expenses to the trial
location and for discomfort that may be experienced during the trial. |
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