Urine Specimen Collection

2

Review clinical trials related to Urine Specimen Collection. Use filters to narrow results by trial status, phase, treatment, biological sex and sponsor.

Condition / disease
Location
Status: Not yet recruiting

The Effect of Apple Cider Vinegar Supplementation on 24-hour Urine Chemistry in Adults

This is a single-center prospective cohort study to evaluate the effect of short-term daily apple cider vinegar (ACV) supplementation on urine chemistry.

Participants needed: 30
Trial details
Age: 18+Biological sex: AllType: InterventionalSponsor: University of ChicagoUpdated: Apr 20, 2026Locations: 1
Eligibility criteria

Controls: Adults above the age of 18. [+2]

Anyone with a history of calcium phosphate stones (>50% calcium phosphate), uric... [+3]

Status: Recruiting

Thebaine Urine Testing

To develop and validate a urine drug screen to detect thebaine.

Participants needed: 20
Trial details
Age: 18-65Biological sex: AllType: ObservationalSponsor: Children's Hospital Medical Center, CincinnatiUpdated: Sep 25, 2025Locations: 1
Eligibility criteria

Male or female [+2]

Allergy to poppy seeds, or any of the related food stuffs used in the study [+9]