Could a common ED drug boost chemo for stomach cancer?
NCT ID NCT05709574
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether adding tadalafil (a drug used for erectile dysfunction) to standard chemotherapy can help shrink stomach or gastroesophageal junction tumors before surgery. Ten adults with resectable cancer will receive tadalafil alone for two weeks, then combined with chemo for about eight weeks. The goal is to see if this approach is safe and reduces immune cells that block the body's ability to fight cancer.
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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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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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Arizona Cancer Center at UMC North/University Medical Center
RECRUITINGTucson, Arizona, 85719, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact
Contact Phone: •••-•••-•••• Email: •••••@•••••