Behind the site
About
Who is in a study, and why the rules say so.
About Cohorova
Cohorova began as a folder of explainers one of our editors wrote for a relative who kept getting lost in the first paragraph of a study listing. The folder grew into the Cohort Notes you see here.
Every note takes one idea about how a research group is put together and walks through it with everyday examples. We keep the notes short and tell you plainly what we left out.
Things we will never do
There are no studies to join here, no sign-ups for research, and no medical advice. Your details stay with us and are not passed to sponsors, sites, or recruiters.
Cohorova is published by The Nelson M Group LLC. It is an information website only. We are not a medical provider, a research sponsor, a study site or a recruiter, and nothing here is medical advice.
How the guides are made
Our editorial team at The Nelson M Group LLC drafts every Cohorova guide using broadly shared sources, for example material published by the National Institutes of Health, the U.S. Food and Drug Administration and ClinicalTrials.gov. A review month appears on each page, and we re-check everything at least once a year.
Found a mistake? Email [email protected] and put “Correction” in the subject. Where this site and your own official paperwork disagree, go with the paperwork.
Summary
| Since | 2026 |
|---|---|
| Cost | Free to read |
| Published by | Cohorova, a brand of The Nelson M Group LLC |
| Reach us | Weekdays from 9 a.m. until 5 p.m. Pacific |
| Subject | Plain-language clinical trial information |
| Not | A medical provider, study sponsor, research site or recruiter, in any form |