Extensive Computed Tomography versus Limited Screening for Detection of Occult Cancer in Unprovoked Venous Thromboembolism: A Multicenter, Controlled, Randomized Clinical Trial.

Abstract:

:Patients with unprovoked venous thromboembolism (VTE) may harbor occult cancer. Whether an extensive diagnostic work-up for cancer has additional value over a more limited screening for detection of underlying malignancy in these patients is controversial. We performed a randomized multicenter trial to assess if in patients with unprovoked VTE, a computed tomography (CT)-based diagnostic strategy including thoracic, abdominal, and pelvic CT in combination with fecal occult blood test yields a higher cancer detection rate than a nonstandardized testing approach based on physicians' clinical judgment and patients' preferences. Cancer-free patients were followed up for up to 24 months. Of the 195 consecutive patients with unprovoked VTE who were eligible for this investigation, an occult cancer was identified in 10 of the 98 patients (10.2%) randomized to the CT-based strategy, and in 8 of the 97 (8.2%) allocated to the personalized strategy (absolute difference, 2.0%; 95% confidence interval, -7.2-11.1; p = 0.81). During follow-up, cancer was identified in an additional 2 patients in each group. Overall, 7 (7.1%) patients of the CT-based strategy died, as compared with 11 (11.3%) of the personalized strategy, with 2 and 4, respectively, due to cancer. In conclusion, a CT-based strategy in combination with fecal occult blood test does not provide a clinically significant benefit over more limited cancer screening for detecting occult cancer in patients with unprovoked VTE. (ClinicalTrials.gov number, NCT00361647).

journal_name

Semin Thromb Hemost

authors

Prandoni P,Bernardi E,Valle FD,Visonà A,Tropeano PF,Bova C,Bucherini E,Islam MS,Piccioli A

doi

10.1055/s-0036-1592335

subject

Has Abstract

pub_date

2016-11-01 00:00:00

pages

884-890

issue

8

eissn

0094-6176

issn

1098-9064

journal_volume

42

pub_type

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