Clinicaltrails.gov is an important website for clinical trial search. Some of the important terms used in the website are:
Accepts healthy volunteers:
This is one of the eligibility criteria where the study recruits the patients who are not diagnosed with the disease/condition which is under study
Active comparator arm:
The patient arm for which treatment which is considered to active by physicians is indicate
Age groups in clinicaltrials.gov:
Child: 0-17 years
Adult: 18-65 years
Older adults: >65 years
All-cause mortality:
This is the total number of deaths that occur during the trial
Allocation types:
Randomized and nonrandomized
Arm:
A group of participants for which some intervention is indicated
Arm types:
Experimental Arm
Active comparator arm
Placebo comparator arm
Sham comparator arm: Arm in which device/procedure id indicated which appears as device/procedure under study however the device/procedure lacks the active process/components
No intervention arms
Baseline characteristics:
Data collected at the beginning of the trial
Canceled submission:
The submission for which the investigator recalled the submission before the quality check.
Certain agreement:
This is the agreement between the principal investigator (PI) and sponsor. By this agreement, the principal investigator cannot publish the data after the study is completed.
Certification:
A sponsor or investigator can delay the publishing of the results for 2 years once he submits the certification.
Clinical study:
A research study involving human volunteers. They can be either interventional studies or observational studies. Interventional studies are also known as a clinical trial.
Collaborator:
The organization that provides support to the study other than the sponsor.
Cross-over assignment:
Intervention model in which patients receive two or more drugs. For eg two-by-two cross over is where one group takes drug A and then takes drug B, whereas the other group takes the drug B first followed by drug A.
Exclusion criteria:
The criteria considering which the patients are excluded from the trial.
Human subjects protein review board:
The group that monitors the clinical trial. The board is responsible for the rights and welfare of the patients
Observation study:
The study in which the sponsor do no intervene, rather he just observes the outcomes
Source:
Clinicaltrials.gov glossary available from https://clinicaltrials.gov/ct2/about-studies/glossary
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