# Permission to Collect Blood Over Time for Research

> **NCT00767234** · — · TERMINATED · sponsor: **Stanford University** · enrollment: 104 (actual)

## Conditions studied

- Pancreatic Cancer
- Gastrointestinal Neoplasms
- Colon Rectal Cancer Adenocarcinoma
- Esophageal Cancer
- Gall Bladder Cancer
- Gastric (Stomach) Cancer
- Gastrooesophageal Cancer
- Gastrointestinal Stromal Tumor (GIST)
- Hepatobiliary Neoplasm
- Liver Carcinoma
- Gallbladder Carcinoma
- Bile Duct Carcinoma
- Carcinoma of the Large Intestine
- Anal Cancer

## Interventions

- **PROCEDURE:** Observation

## Key facts

- **NCT ID:** NCT00767234
- **Lead sponsor:** Stanford University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** TERMINATED
- **Start date:** 2008-08
- **Primary completion:** 2011-10
- **Final completion:** 2011-10
- **Target enrollment:** 104 (ACTUAL)
- **Why stopped:** Accrual issues - Low Accrual
- **Last updated:** 2016-07-11


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00767234

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00767234, "Permission to Collect Blood Over Time for Research". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT00767234. Licensed CC0.

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