Journal
CANCER
Volume 127, Issue 13, Pages 2271-2278Publisher
WILEY
DOI: 10.1002/cncr.33500
Keywords
cancer surveillance; family communication; family history; germline variants; pancreatic cancer
Categories
Funding
- Alliance of Families Fighting Pancreatic Cancer
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The study found that surveillance for PDAC is underutilized in high-risk families, with lack of awareness and interest being the primary reasons for nonparticipation. At-risk relatives with familial pancreatic cancer who also carried relevant pathogenic germline variants were more likely to undergo surveillance.
BACKGROUND Early detection of pancreatic ductal adenocarcinoma (PDAC) is an important goal for improving survival. Individuals who meet published guidelines for surveillance may be underidentified, and family communication about risk represents a pathway to increasing participation in surveillance. We investigated the uptake of and barriers to surveillance in at-risk relatives of clinic patients. METHODS We conducted a retrospective record review of patients with personal or family history of PDAC evaluated over 12 months. The first relative presenting to clinic (proband) reported surveillance status and reasons for nonparticipation for at-risk relatives. Descriptive analyses and Fisher's exact tests were conducted to evaluate differences in surveillance participation. RESULTS Among 193 at-risk relatives, 21% were in surveillance. The primary reasons for nonparticipation were lack of awareness (36%) and lack of interest (24%). Neither the sex nor the cancer status of probands impacted surveillance. At-risk relatives with familial pancreatic cancer (FPC) who also carried relevant pathogenic germline variants (PGVs) were more likely to undergo surveillance than those with FPC or PGVs alone (P = .003). Among families with PGVs, 59% of relatives potentially eligible for surveillance had not completed genetic testing. CONCLUSION PDAC surveillance is underutilized in high-risk families. Communication interventions to address informational needs and decisional support could improve outcomes.
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