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The investigators are looking to see if a certain dose of stereotactic body radiation therapy (SBRT) may be a viable treatment option for recurrent or residual pancreatic or periampullary adenocarcinoma.
Full description
No standard treatment option has yet been established for patients with recurrent or residual disease after definitive treatment of pancreatic or periampullary cancers (duodenal, ampullary, bile duct). Linac based stereotactic body radiation therapy (SBRT) administered in 1-3 fractions has been shown to be an effective treatment option for patients with unresectable, locally advanced pancreatic adenocarcinoma, achieving local control rates of 84-92% at one year. Associated late gastrointestinal toxicity rates have been reported to be 22-25% at 1 year. We hypothesize that similarly excellent local control rates (80-90% at one year) with a reasonable rate of toxicity (≤20%) can be achieved using Linac based SBRT delivered as 5 Gy x 5 for patients with local failure (remaining disease) after previous treatment with conventional chemoradiation therapy (CRT) with or without surgery and as 6.6 Gy x 5 for radiation-naïve patients with local failure (remaining disease) after previous treatment with surgery and/or chemotherapy. The toxicities of note for this trial are grade 2 and greater gastritis, fistula, enteritis, ulcer, or any other grade 3 or greater gastrointestinal toxicity.
Enrollment
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Inclusion criteria
18 years of age or older
Karnofsky Performance Status greater than or equal to 70%
confirmed pancreatic or periampullary adenocarcinoma
pancreatic or periampullary tumor less than 8.0 cm in greatest axial dimension
Either:
standard of care treatment for pancreatic cancer that included radiation therapy
* patients may be receiving continued chemotherapy post initial CRT. or
standard of care treatment for pancreatic cancer that did not include radiation therapy * patients must have attempted chemotherapy upon initial diagnosis
acceptable organ and marrow function as determined by blood tests
ability to understand and give consent
must be a patient to be treated with SBRT only at Johns Hopkins Hospital
life expectancy of greater than 3 months
Exclusion criteria
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120 participants in 2 patient groups
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Data sourced from clinicaltrials.gov
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