Recovery of physical function after critical illness in older adults
Official title: RETURN: Recovery of Physical Function After Critical Illness In Older Adults
Run by University of Kentucky · NCT07225257 · Data updated 2026-11-12
This study tests how well muscle strength and daily activities improve over 2 years in people aged 40 and older who survived ICU treatment for sepsis or acute lung injury.
Quick facts
| Study type | Observational |
|---|---|
| Ages | 18 Years to 99 Years |
| Sex | All |
| Enrollment | 150 (estimated) |
| Sponsor | University of Kentucky Academic / other |
| Locations | 1 site (Lexington, Kentucky) |
| Status | Recruiting |
| Started | March 11, 2026 |
| Main results expected | June 1, 2030 |
| Study ends | December 31, 2031 |
| Registry record updated | May 28, 2026 |
| Trial ID | NCT07225257 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates are adults 40 years or older who survived an ICU stay of at least 72 hours for sepsis or acute lung injury and who were ambulatory before admission.
✕Probably not a fit
Patients who were non-ambulatory before ICU admission or who are not expected to survive at least 6 months may be less likely to benefit.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This is a prospective, observational study following 150 ICU survivors from hospital discharge to 24 months later. Participants will undergo a battery of physical and functional tests at baseline (hospital discharge) and at 3, 6, 12, and 24 months, with a subset undergoing muscle biopsies at baseline and 12 or 24 months to explore cellular changes. The goal is to describe recovery trajectories and identify factors associated with persistent physical disability, including muscle oxidative stress and mitochondrial function. The study does not involve a treatment intervention but seeks to map long-term outcomes and underlying biology after critical illness.
Why it matters
Potential benefit: If successful, the study could clarify recovery patterns and help target interventions to those at risk for extended physical disability.
How similar studies have gone: Previous observational work has described variable long-term recovery after critical illness, with some evidence of ongoing muscle weakness.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * adult patients (≥40 years of age) * patients who have survived an ICU admission of at least 72 hours * diagnosis of acute lung injury or sepsis are eligible. Exclusion Criteria: * individuals who were not ambulatory prior to ICU admission, * not expected to survive at least 6 months, * have a new or pre-existing brain infarct, injury, or neurological condition with deficits preventing participation in physical testing, * have a pre-existing geriatric syndrome that were confound recovery trajectory
Where it's running
-
University of Kentucky, Lexington, Kentucky 40536
Lexington, Kentucky, United States Recruiting
Study contacts
- Principal investigator: Kirby P Mayer, DPT, Ph.D. — University of Kentucky
- Study coordinator: Doug Long, MS
- Email: delong2@uky.edu
- Phone: 859-218-0596
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.