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NCT04635306
13C-Spirulina Nitrogen Content GEBT Study
NA trial testing Approved GEBT test meal in Gastroparesis in 12 participants. Terminated before completion.
25 June 2021
Quick facts
| Lead sponsor | Cairn Diagnostics |
|---|---|
| Phase | NA |
| Status | Terminated |
| Study type | INTERVENTIONAL |
| Allocation | na |
| Design | single group |
| Masking | none |
| Primary purpose | diagnostic |
| Enrollment | 12 |
| Start date | 21 October 2020 |
| Primary completion | 25 June 2021 |
| Estimated completion | 25 June 2021 |
| Sites | 1 location across United States |
Drugs / interventions tested
- Approved GEBT test meal
Conditions studied
- Gastroparesis — all drugs for Gastroparesis →
Sponsor
Cairn Diagnostics — full company profile →
Who can join
Adults 18 to 85, any sex, with Gastroparesis. Patients with the condition only — healthy volunteers not accepted.
Sponsor's own description
The purpose of this study is to determine whether there is a difference in the human in vivo response to 13C-Spirulina meals manufactured using 13C-Spirulina containing different levels of protein (as measured by %nitrogen).
Publications & conference data
1 peer-reviewed publication reference this trial (live from Europe PMC):
-
Unlocking the potential of microalgae-derived therapeutic carriers: Characteristics, types, and nanomedical applications.
Wang P, Liu C, Zheng L. · · 2025 · cited 7× · PMID 40688659 · DOI 10.1016/j.mtbio.2025.102037
Verify or expand the search:
- PubMed search for NCT04635306
- Europe PMC full search
- ASCO Meeting Library
- ESMO Meeting Library
- bioRxiv preprints
- medRxiv preprints
- Google Scholar
Related trials
Other recruiting trials for Gastroparesis
Currently open trials in the same condition.
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- NCT07104214 — Development and Validation of a Risk Prediction Model for Gastric Retention in Patients Undergoing Sedated Gastroscopy · recruiting
- NCT07526935 — Combined Role of Gastric Peroral Endoscopic Myotomy and Gastric Electrical Stimulator · NA · active not recruiting
- NCT05981300 — GpCRC Pediatric Gastroparesis Registry 2 · recruiting
- NCT06580197 — The Role of AAT After Abdominal Surgery Based on RWS · recruiting
Other Cairn Diagnostics trials
Trials by the same sponsor.
- NCT06004596 — Establishing a Pediatric Reference Range for the 13C-Spirulina Gastric Emptying Breath Test (GEBT) · NA · completed
- NCT04772261 — GEBT Lot-to-Lot and Biological Variability · NA · completed
- NCT04684992 — GEBT Telehealth Administration Usability Study · NA · completed
- NCT04607304 — ABCA2 GIRMS Analytical Validation Clinical Performance Study · 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 NCT04635306 (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 Cairn Diagnostics
- Last refreshed: 3 August 2021
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/NCT04635306.
Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing