New combo therapy targets Hard-to-Treat stomach cancer

NCT ID NCT04522336

First seen Nov 01, 2025 · Last updated Jun 20, 2026 · Updated 32 times

Summary

This early-phase trial is testing whether adding the immunotherapy drug pembrolizumab to standard chemoradiotherapy can help control gastroesophageal cancer that cannot be removed by surgery. The study includes 16 participants and primarily looks at safety and whether the cancer disappears after treatment. It is a small, early study, so results are preliminary.

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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Contacts and locations

Locations

  • M D Anderson Cancer Center

    Houston, Texas, 77030, United States

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance

pembrolizumab (immunotherapy) plus chemotherapy (docetaxel, fluorouracil, oxaliplatin) and radiation therapy

What this could lead to

If successful, this combination could offer a new treatment option for people with gastroesophageal cancer that cannot be surgically removed.

What could go wrong

This is a very early phase 1 trial with only 16 participants, so results may not apply broadly. Side effects from the drug combination and radiation could be significant.

Conditions

The condition(s) this trial relates to.

gastroesophageal junction adenocarcinoma

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

CLINICAL STAGE III GASTROESOPHAGEAL JUNCTION ADENOCARCINOMA AJCC V8 CLINICAL STAGE III GASTROESOPHAGEAL JUNCTION ADENOCARCINOMA AJCC V8 CLINICAL STAGE IV GASTROESOPHAGEAL JUNCTION ADENOCARCINOMA AJCC V8 CLINICAL STAGE IV GASTROESOPHAGEAL JUNCTION ADENOCARCINOMA AJCC V8 CLINICAL STAGE IVA GASTROESOPHAGEAL JUNCTION ADENOCARCINOMA AJCC V8 CLINICAL STAGE IVA GASTROESOPHAGEAL JUNCTION ADENOCARCINOMA AJCC V8 CLINICAL STAGE IVB GASTROESOPHAGEAL JUNCTION ADENOCARCINOMA AJCC V8 CLINICAL STAGE IVB GASTROESOPHAGEAL JUNCTION ADENOCARCINOMA AJCC V8 LOCALIZED GASTROESOPHAGEAL JUNCTION ADENOCARCINOMA LOCALLY ADVANCED GASTROESOPHAGEAL JUNCTION ADENOCARCINOMA PATHOLOGIC STAGE III GASTROESOPHAGEAL JUNCTION ADENOCARCINOMA AJCC V8 PATHOLOGIC STAGE III GASTROESOPHAGEAL JUNCTION ADENOCARCINOMA AJCC V8 PATHOLOGIC STAGE IIIA GASTROESOPHAGEAL JUNCTION ADENOCARCINOMA AJCC V8 PATHOLOGIC STAGE IIIB GASTROESOPHAGEAL JUNCTION ADENOCARCINOMA AJCC V8 PATHOLOGIC STAGE IV GASTROESOPHAGEAL JUNCTION ADENOCARCINOMA AJCC V8 PATHOLOGIC STAGE IV GASTROESOPHAGEAL JUNCTION ADENOCARCINOMA AJCC V8 PATHOLOGIC STAGE IVA GASTROESOPHAGEAL JUNCTION ADENOCARCINOMA AJCC V8 PATHOLOGIC STAGE IVA GASTROESOPHAGEAL JUNCTION ADENOCARCINOMA AJCC V8 PATHOLOGIC STAGE IVB GASTROESOPHAGEAL JUNCTION ADENOCARCINOMA AJCC V8 PATHOLOGIC STAGE IVB GASTROESOPHAGEAL JUNCTION ADENOCARCINOMA AJCC V8 PATHOLOGIC STAGE IVB GASTROESOPHAGEAL JUNCTION ADENOCARCINOMA AJCC V8 PATHOLOGIC STAGE IVB GASTROESOPHAGEAL JUNCTION ADENOCARCINOMA AJCC V8 POSTNEOADJUVANT THERAPY STAGE III GASTROESOPHAGEAL JUNCTION ADENOCARCINOMA AJCC V8 POSTNEOADJUVANT THERAPY STAGE III GASTROESOPHAGEAL JUNCTION ADENOCARCINOMA AJCC V8 POSTNEOADJUVANT THERAPY STAGE IIIA GASTROESOPHAGEAL JUNCTION ADENOCARCINOMA AJCC V8 POSTNEOADJUVANT THERAPY STAGE IIIA GASTROESOPHAGEAL JUNCTION ADENOCARCINOMA AJCC V8 POSTNEOADJUVANT THERAPY STAGE IIIB GASTROESOPHAGEAL JUNCTION ADENOCARCINOMA AJCC V8 POSTNEOADJUVANT THERAPY STAGE IIIB GASTROESOPHAGEAL JUNCTION ADENOCARCINOMA AJCC V8 POSTNEOADJUVANT THERAPY STAGE IV GASTROESOPHAGEAL JUNCTION ADENOCARCINOMA AJCC V8 POSTNEOADJUVANT THERAPY STAGE IV GASTROESOPHAGEAL JUNCTION ADENOCARCINOMA AJCC V8 POSTNEOADJUVANT THERAPY STAGE IVA GASTROESOPHAGEAL JUNCTION ADENOCARCINOMA AJCC V8 POSTNEOADJUVANT THERAPY STAGE IVA GASTROESOPHAGEAL JUNCTION ADENOCARCINOMA AJCC V8 POSTNEOADJUVANT THERAPY STAGE IVB GASTROESOPHAGEAL JUNCTION ADENOCARCINOMA AJCC V8 POSTNEOADJUVANT THERAPY STAGE IVB GASTROESOPHAGEAL JUNCTION ADENOCARCINOMA AJCC V8 UNRESECTABLE GASTROESOPHAGEAL JUNCTION ADENOCARCINOMA