# Radiation Therapy for the Treatment of Metastatic Gastrointestinal Cancers

> **NCT04221893** · NA · RECRUITING · sponsor: **University of California, San Francisco** · enrollment: 28 (estimated)

## Conditions studied

- Stage IV Esophageal Adenocarcinoma
- Stage IV Esophageal Squamous Cell Carcinoma
- Stage IV Gastric Cancer
- Stage IV Adenocarcinoma of the Gastroesophageal Junction
- Stage IVA Esophageal Adenocarcinoma
- Stage IVA Esophageal Squamous Cell Carcinoma
- Stage IVA Gastric Cancer
- Stage IVA Adenocarcinoma of the Gastroesophageal Junction
- Stage IVB Esophageal Adenocarcinoma
- Stage IVB Esophageal Squamous Cell Carcinoma
- Stage IVB Gastric Cancer
- Stage IVB Gastroesophageal Junction Adenocarcinoma
- Metastatic Anal Canal Carcinoma
- Metastatic Colorectal Carcinoma
- Metastatic Esophageal Carcinoma
- Metastatic Gastric Carcinoma
- Metastatic Gastroesophageal Junction Adenocarcinoma
- Metastatic Hepatocellular Carcinoma
- Metastatic Malignant Digestive System Neoplasm
- Metastatic Small Intestinal Carcinoma
- Pancreatobiliary Carcinoma
- Pathologic Stage IV Gastric Cancer AJCC v8
- Pathologic Stage IVA Esophageal Adenocarcinoma AJCC v8
- Pathologic Stage IVA Esophageal Squamous Cell Carcinoma AJCC v8
- Pathologic Stage IVB Esophageal Adenocarcinoma AJCC v8
- Pathologic Stage IVB Esophageal Squamous Cell Carcinoma AJCC v8
- Pathologic Stage IVB Gastroesophageal Junction Adenocarcinoma AJCC v8
- Postneoadjuvant Therapy Stage IV Esophageal Squamous Cell Carcinoma AJCC v8
- Postneoadjuvant Therapy Stage IV Gastric Cancer AJCC v8
- Postneoadjuvant Therapy Stage IV Gastroesophageal Junction Adenocarcinoma AJCC v8
- Postneoadjuvant Therapy Stage IVA Esophageal Adenocarcinoma AJCC v8
- Postneoadjuvant Therapy Stage IVA Esophageal Squamous Cell Carcinoma AJCC v8
- Postneoadjuvant Therapy Stage IVA Gastroesophageal Junction Adenocarcinoma AJCC v8
- Postneoadjuvant Therapy Stage IVB Esophageal Adenocarcinoma AJCC v8
- Postneoadjuvant Therapy Stage IVB Esophageal Squamous Cell Carcinoma AJCC V8
- Postneoadjuvant Therapy Stage IVB Gastroesophageal Junction Adenocarcinoma AJCC v8
- Stage IV Anal Cancer AJCC v8
- Stage IV Colorectal Cancer AJCC v8
- Stage IV Hepatocellular Carcinoma AJCC v8
- Stage IVA Colorectal Cancer AJCC v8
- Stage IVA Hepatocellular Carcinoma AJCC v8
- Stage IVB Colorectal Cancer AJCC v8
- Stage IVB Hepatocellular Carcinoma AJCC v8
- Stage IVC Colorectal Cancer AJCC v8

## Interventions

- **RADIATION:** Radiation Therapy (RT)

## Key facts

- **NCT ID:** NCT04221893
- **Lead sponsor:** University of California, San Francisco
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2020-08-07
- **Primary completion:** 2026-06-30
- **Final completion:** 2028-04-30
- **Target enrollment:** 28 (ESTIMATED)
- **Last updated:** 2025-10-06

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04221893

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04221893, "Radiation Therapy for the Treatment of Metastatic Gastrointestinal Cancers". Retrieved via AI Analytics 2026-06-09 from https://api.ai-analytics.org/clinical/NCT04221893. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*