What is a Clinical Trial?
Find out all about clinical trials.
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Here we show a clinical trial timeline — including all phases, what a participant's trial journey looks like from the beginning to when they get the results. Each visit milestone is explained: just click on the visit name for all the details.
Tap a step to learn more
Screening Visit Baseline Visit Clinical Trial Visits Last Clinical Trial Visit After the Clinical Trial
When you first attend the screening visit for phases 1-3, the study is explained in detail and you can ask any questions. If you decide to participate, the study nurse will review the informed consent form with you and ask for your signature and permission to proceed with the screening evaluations. Lasts 1-3 hours.
Meet with the specialist
Meet with the study coordinator
Review informed consent form
Evaluation testing
Complete sponsor documents
When you first attend the screening visit for phases 1-3, the study is explained in detail and you can ask any questions. If you decide to participate, the study nurse will review the informed consent form with you and ask for your signature and permission to proceed with the screening evaluations. Lasts 1-3 hours.
If the screening tests show that you qualify, the study coordinator will schedule an entry — or baseline — visit.
When you attend this visit, the first step in your trial, you’ll receive your study medication and the dosing will be reviewed with you. There will also be lab tests done to get baseline values before starting your study treatment.
Meet with the specialist
Complete sponsor documents
Meet with the study coordinator
Receive trial treatment
Discuss informed consent form
Baseline testing
At-home monitoring
If the screening tests show that you qualify, the study coordinator will schedule an entry — or baseline — visit.
When you attend this visit, the first step in your trial, you’ll receive your study medication and the dosing will be reviewed with you. There will also be lab tests done to get baseline values before starting your study treatment.
The number of your clinical visits will depend on the specifics and length of the study. There may be follow-up visits that include a brief physical exam (not generally in phase 4 observational studies), a review of your study medications and your symptoms and lab tests.
Meet with the specialist
Testing
Meet with the study coordinator
Informed consent
Sponsor documents
At-home monitoring
The number of your clinical visits will depend on the specifics and length of the study. There may be follow-up visits that include a brief physical exam (not generally in phase 4 observational studies), a review of your study medications and your symptoms and lab tests.
Similar to the other visits (except that home monitoring is over), this visit does not always mean the journey's
end — the trial may require follow-up visits. Ask when the results will be available and how you will be informed. While your part may be over, the clinical trial itself can last longer.
Meet with the specialist
Discuss informed consent
Meet with the study coordinator
Testing
Sponsor documents
Similar to the other visits (except that home monitoring is over), this visit does not always mean the journey's
end — the trial may require follow-up visits. Ask when the results will be available and how you will be informed. While your part may be over, the clinical trial itself can last longer.
Follow-Up
When your participation in the trial is completed, in some cases the research coordinator may arrange telephone follow-ups with you.
Results
There may be other patients still participating, so when the trial is officially over, the results will be available on the site as soon as they have been made public.
When your participation in the trial is completed, in some cases the research coordinator may arrange telephone follow-ups with you.
There may be other patients still participating, so when the trial is officially over, the results will be available on the site as soon as they have been made public.
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