Sponsor or institution
Clinical trials and research at Primus Pharmaceuticals
As of November 12, 2026, Find a Trial lists 3 clinical trials run by Primus Pharmaceuticals that are recruiting, at sites in 2 countries (most in United States (2), Canada (1)). By phase: Phase 4 (2). Every study is explained in plain English. Data from ClinicalTrials.gov and NIH RePORTER, updated November 12, 2026.
- 3Clinical trials
- 2Countries
Newest trials
| Study | Phase | Where | Status | Registered |
|---|---|---|---|---|
| Testing two doses of a muscle relaxant for drowsiness in healthy adults | Phase 4 | Columbus, Ohio | Recruiting | Sep 3, 2026 |
| Diosmin for healing finger (digital) ulcers in scleroderma | — | Calgary, Alberta and 4 other locations | Recruiting | Feb 13, 2024 |
| Testing a new medication for low back and leg pain relief. | Phase 4 | Auburn, Alabama and 23 other locations | Recruiting | Dec 5, 2023 |
All recruiting trials (3)
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Testing two doses of a muscle relaxant for drowsiness in healthy adults
This study tests two single doses of metaxalone in healthy adults to see how drowsiness and fall risk change when the drug is highest in the blood.
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Diosmin for healing finger (digital) ulcers in scleroderma
This study will test whether the pill diosmin can safely help heal open finger ulcers in people with systemic sclerosis.
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Testing a new medication for low back and leg pain relief.
This study is testing a new medication to see if it can help people aged 18 to 80 with back and leg pain feel better.
Quick answers
How many clinical trials run by Primus Pharmaceuticals are recruiting right now?
3, as of November 12, 2026. We update this list each time we refresh our data from ClinicalTrials.gov.
Where are these trials running?
In 2 countries. The most sites are in United States (2 trials), Canada (1 trial). Each study page lists its sites and which ones are recruiting.
What phases are they in?
Phase 4: 2. Trials with no phase listed are usually device, behavioural or observational studies.
How do I join one?
Open a study, check the "Is this trial a fit for you?" section, then contact the study team listed on the page. They will ask a few screening questions. Asking is free and does not commit you to anything. Talk it over with your doctor first.
Find the studies that fit you
A list is a starting point. Tell us your situation in your own words and we'll rank the studies that match and explain why. It's free and needs no account.