Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 4, 2026, 10:21 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–3 of 3 matching trials from the live ClinicalTrials.gov search.
Conditions
Hypertension, Prehypertension, Aging
Interventions
Inspiratory muscle strength training, Sham training
Other
Lead sponsor
Douglas Seals
Other
Eligibility
50 Years to 64 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Boulder, Colorado
Conditions
Hypertension, Aging
Interventions
Nicotinamide riboside, Placebo
Drug · Other
Lead sponsor
Douglas Seals
Other
Eligibility
50 Years and older
Enrollment
118 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2027
U.S. locations
1
States / cities
Boulder, Colorado
Completed Not applicable Interventional Accepts healthy volunteers

Passive Heat Therapy and Age-associated Physiological Function

NCT03264508
Conditions
Aging
Interventions
Heat therapy, Thermoneutral water immersion
Behavioral
Lead sponsor
Douglas Seals
Other
Eligibility
55 Years to 79 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Boulder, Colorado