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NCT00450788
Esophageal Cancer in Northeastern Iran
trial in Esophageal Cancer in 50,045 participants. Completed.
Quick facts
| Lead sponsor | National Cancer Institute (NCI) |
|---|---|
| Status | Completed |
| Study type | OBSERVATIONAL |
| Enrollment | 50,045 |
| Start date | 15 March 2007 |
| Sites | 1 location across Iran |
Conditions studied
- Esophageal Cancer — all drugs for Esophageal Cancer →
- GI Disease — all drugs for GI Disease →
Sponsor
National Cancer Institute (NCI)
Who can join
Adults 30 to 99, any sex, with Esophageal Cancer or GI Disease. Patients with the condition only — healthy volunteers not accepted.
Sponsor's own description
Background: -Esophageal cancer is the most common cancer in Iran s Golestan Province. Nutritional deficiencies, ethnicity and environmental exposures might contribute to the development of this disease. Objectives: -To better understand the cause of esophageal cancer in Golestan Province and to reduce its occurrence there. Eligibility: -Adults from the Gonbad, Aq-Qala and Kalaleh districts of eastern Golestan Province in Iran. Design: * The study is a collaboration between NIH, the Digestive Disease Research Center of Teheran University of Medical Sciences, and the International Agency for Research on Cancer. * Participants complete a lifestyle questionnaire and food frequency questionnaire. * Samples of participants blood, urine, hair and toenail clippings are obtained.
Publications & conference data
No peer-reviewed publications indexed yet for this trial. Completed trials usually publish results within 12-18 months.
Verify or expand the search:
- PubMed search for NCT00450788
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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 NCT00450788 (US National Library of Medicine, public domain)
- Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
- Sponsor: as reported to ClinicalTrials.gov by National Cancer Institute (NCI)
- Last refreshed: 6 April 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/NCT00450788.
Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing