| Active Comparator Arm |
An arm describing the active comparator. |
http://purl.obolibrary.org/obo/NCIT_C174267 |
| Experimental Arm |
An arm describing the intervention or treatment plan for a group of participants in the study receiving test product(s). |
http://purl.obolibrary.org/obo/NCIT_C174266 |
| Healthy Control |
A healthy subject that is matched with an affected individual in a trial. |
http://purl.obolibrary.org/obo/NCIT_C94342 |
| Intervention |
An activity that produces an effect, or that is intended to alter the course of a disease in a patient or population. This is a general term that encompasses the medical, social, behavioral, and environmental acts that can have preventive, therapeutic, or palliative effects. |
http://purl.obolibrary.org/obo/NCIT_C25218 |
| Negative Control |
A control sample where a negative result is expected, to help correlate a positive result with the variable being tested. |
http://purl.obolibrary.org/obo/NCIT_C64357 |
| No Intervention Arm |
A study arm without an intervention or treatment. |
http://purl.obolibrary.org/obo/NCIT_C174270 |
| Observational |
Studies among cancer patients and healthy populations that involve no intervention or alteration in the status of the participants. |
http://purl.obolibrary.org/obo/NCIT_C16084 |
| Other |
Other or unknown type of study arm |
|
| Placebo Comparator Arm |
An arm describing the placebo comparator. |
http://purl.obolibrary.org/obo/NCIT_C174268 |
| Positive Control |
A control sample that is known to produce a positive result if the test is working as expected. |
http://purl.obolibrary.org/obo/NCIT_C64356 |
| Sham Comparator Arm |
An arm describing the sham comparator. |
http://purl.obolibrary.org/obo/NCIT_C174269 |
| Treatment Arm |
A specific treatment plan within a clinical trial that describes the activities a subject will be involved in as he or she progresses through the study. |
http://purl.obolibrary.org/obo/NCIT_C15538 |
| Vaccination |
Administration of vaccines to stimulate the host's immune response. This includes any preparation intended for active immunological prophylaxis or treatment. |
http://purl.obolibrary.org/obo/NCIT_C15346 |