A Clinical Study to Limit Physiologic Intestinal FDG Uptake Uptake on PET-CT Scans

NCT ID: NCT01542541

Last Updated: 2017-12-13

Study Results

Results available

Outcome measurements, participant flow, baseline characteristics, and adverse events have been published for this study.

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

68 participants

Study Classification

INTERVENTIONAL

Study Start Date

2011-07-31

Study Completion Date

2012-10-31

Brief Summary

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Patients who undergo PET-CT scans to look for cancer are given an intravenous contrast (FDG) that is taken-up by active cells such as cancer cells. This contrast can then be seen in the body using the PET-CT scanner. However, cells in the colon also take up the FDG, and can produce "false positive" signals from the colon. Our hypothesis is that much of this signal comes from bacteria that are present in high concentrations in the colon. If this is the case, using an antibiotic to suppress the activity of bacteria may improve the ability of PET-CT to distinguish abnormal cells from normal cells in the colon.

Detailed Description

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Conditions

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Intestinal FDG Uptake

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

DIAGNOSTIC

Blinding Strategy

NONE

Study Groups

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Rifaximin

Group Type EXPERIMENTAL

Rifaximin

Intervention Type DRUG

550mg BID for 2 days

Control

Randomly-selected matched PET-CT scans performed on same day as intervention group.

Group Type NO_INTERVENTION

No interventions assigned to this group

Interventions

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Rifaximin

550mg BID for 2 days

Intervention Type DRUG

Other Intervention Names

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Xifaxan

Eligibility Criteria

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Inclusion Criteria

* Patients undergoing clinically-indicated PET-CT scan for non-GI lymphoma

Exclusion Criteria

* Patients with known Inflammatory Bowel Disease
* Patients with known colon cancer
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Bausch Health Americas, Inc.

INDUSTRY

Sponsor Role collaborator

Beth Israel Deaconess Medical Center

OTHER

Sponsor Role lead

Responsible Party

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Alan C. Moss

Assistant Professor of Medicine

Responsibility Role PRINCIPAL_INVESTIGATOR

Locations

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Beth Israel Deaconess Medical Center

Boston, Massachusetts, United States

Site Status

Countries

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United States

Other Identifiers

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2010P000101

Identifier Type: -

Identifier Source: org_study_id