NCT06643299CompletedPhase 2
Probiotic Use for Recovery Enhancement From Long COVID-19
PURE-LC - Probiotic Use for Recovery Enhancement From Long COVID
Source: ClinicalTrials.gov · Last updated 7 Aug 2026
Brief summary (registry, in English)
The goal of this clinical trial is to learn if probiotics can improve symptoms and quality of life in participants with Long COVID.
- Status (registry)
- Completed
- Phase (registry)
- Phase 2
- Study type
- Interventional
- Enrollment
- 194 (actual)
- First submitted
- 14 Oct 2024
- Start date
- 13 May 2025
- Primary completion date
- 2 Jul 2026
- Lead sponsor
- Rush University Medical Center
- Diseases
- Long COVID and ME/CFS
- NCT number
- NCT06643299
What you commit to
- Study type: Interventional · Phase 2
- Participants enrolled: 194
- From 13 May 2025 to the primary completion date, 2 Jul 2026
- 1 site in 1 country
- Visits and tests: ask the trial team, the registry does not list them
Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.
Who cannot take part
Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.
Prior treatment
- Are unable to take the study medication daily
- Are currently taking immunosuppressants
Other illness
- Have been diagnosed with an immune-compromising condition
- Are enrolled in another Long COVID study with an intervention
Other
- No longer have symptoms consistent with LC
- Are currently pregnant or planning to become pregnant over the course of the study
- Are currently breastfeeding
- Do not speak English as a primary language
- Are regularly taking probiotics
Who the study is looking for
- Age ≥18 years who report Long COVID with persistent symptoms at the time of study initiation
Age in the registry: 18 years to - · Sex: All · Does not accept healthy volunteers
Sites (1)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| Rush University Medical Center Coordinator of this site? Confirm its status | Chicago | United States | Unknown status |
This page is information, not medical advice. Discuss any trial with your doctor.