Last reviewed · How we verify
NCT05580653: P1-SDBDC
Phase 1 Seattle Dietary Biomarkers Development Center
NA trial testing Controlled feeding study of beef and/or pinto beans in Healthy Adults in 30 participants. Completed in 17 April 2025.
17 April 2025
Quick facts
| Lead sponsor | Marian Neuhouser |
|---|---|
| Phase | NA |
| Status | Completed |
| Study type | INTERVENTIONAL |
| Allocation | randomized |
| Design | crossover |
| Masking | double |
| Primary purpose | other |
| Enrollment | 30 |
| Start date | 2 March 2023 |
| Primary completion | 17 April 2025 |
| Estimated completion | 17 April 2025 |
| Sites | 1 location across United States |
Drugs / interventions tested
- Controlled feeding study of beef and/or pinto beans
- Controlled feeding study of eggs and/or black beans
Conditions studied
- Healthy Adults — all drugs for Healthy Adults →
Sponsor
Marian Neuhouser
Who can join
18 and older, any sex, with Healthy Adults. Patients with the condition only — healthy volunteers not accepted.
Sponsor's own description
The Seattle Dietary Biomarker Development Center (S-DBDC) aims to advance the science of measuring dietary intake by identification and validation of dietary biomarkers that improve upon self-reported diet. To accomplish this mission, the Seattle DBDC will carry out controlled feeding studies in healthy human volunteers. Metabolomics assays will be conducted on blood and urine specimens collected during the feeding studies for biomarker identification.
Publications & conference data
1 peer-reviewed publication reference this trial (live from Europe PMC):
-
The Dietary Biomarkers Development Consortium: An Initiative for Discovery and Validation of Dietary Biomarkers for Precision Nutrition.
Chakraborty H, Sun Q, Bhupathiraju SN, Schenk JM, et al · · 2025 · cited 4× · PMID 40641655 · DOI 10.1016/j.cdnut.2025.107435
Verify or expand the search:
- PubMed search for NCT05580653
- Europe PMC full search
- ASCO Meeting Library
- ESMO Meeting Library
- bioRxiv preprints
- medRxiv preprints
- Google Scholar
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Other Marian Neuhouser trials
Trials by the same sponsor.
- NCT06656338 — Phase 2 Seattle Dietary Biomarkers Development Center · NA · completed
Verify against primary sources
- ClinicalTrials.gov — authoritative US registry record
- WHO ICTRP — international registry index
- EU Clinical Trials Register
- Sponsor press releases (Google)
- Trial protocol + status: ClinicalTrials.gov NCT05580653 (US National Library of Medicine, public domain)
- Publications: Europe PMC API search by NCT ID, retrieved 10 June 2026
- Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
- Sponsor: as reported to ClinicalTrials.gov by Marian Neuhouser
- Last refreshed: 20 February 2026
Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT05580653.
Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing