Navigation Links
Drugs for Irritable Bowel Might Increase Cancer Risk
Date:10/19/2009

Long-term use of thiopurines bears further study, researchers say

MONDAY, Oct. 19 (HealthDay News) -- The use of thiopurine drugs to treat inflammatory bowel disease (IBD) increases the risk of cancers related to viral infection, according to a new study.

IBD includes Crohn's disease and ulcerative colitis. Thiopurine drugs are used to suppress the immune system in order to maintain remission in IBD patients.

For this study, French researchers analyzed data on 19,486 IBD patients (60 percent with Crohn's and 40 percent with ulcerative colitis or unclassified IBD) who were followed for a median of 35 months.

At the start of the study, 30 percent of patients were taking thiopurines, 14 percent had discontinued them, and 56 percent had never received thiopurines. During the study, 23 patients developed malignant lymphoproliferative disorders (LD) -- cancers that are associated with viral infection, particularly those linked to Epstein Barr virus (EBV) infection.

Of the 23 patients with LD, 22 had non-Hodgkin's lymphoma and one had Hodgkin's lymphoma. Incidence rates of LD were 0.90 per 1,000 patient-years in those receiving thiopurines, 0.20 per 1,000 patient-years in those who'd discontinued the drugs, and 0.26 per 1,000 patient-years in those who'd never taken thiopurines.

The researchers calculated that IBD patients taking thiopurines had a more-than-five-fold increased risk compared to those who'd never received the drugs. Older patients, men, and those who'd had IBD for longer were also at increased risk of LD.

"Extrapolating our results, the absolute cumulative risk of (LD) in young patients receiving a 10-year course of thiopurines remains low (less than 1 percent) and does not undermine the positive risk-benefit ratio of these drugs. For elderly patients and unlimited treatment periods, the question should be addressed in dedicated studies," wrote Laurent Beaugerie, a professor at Hospital Saint-Antoine, Paris, and colleagues.

The study appeared online Monday and in an upcoming print issue of The Lancet.

"Although we recognize the slightly increased risk of lymphoma, these agents will probably remain one of the cornerstones of treatment. Nonetheless, physicians should be cautious when prolonged combined and deep immunosuppression is needed to achieve disease control," Dr. Geert D'Haens, of the Imelda GI Clinical Research Centre and University Hospital Gasthuisberg in Belgium, and Dr. Paul Rutgeerts, University Hospital Gasthuisberg, wrote in an accompanying editorial.

More information

The Crohn's and Colitis Foundation of America has more about IBD.



-- Robert Preidt



SOURCE: The Lancet, news release, Oct. 18, 2009


'/>"/>
Copyright©2009 ScoutNews,LLC.
All rights reserved

Related medicine news :

1. Pitt researchers find candidates for new HIV drugs
2. Designing drugs and their antidotes together improves patient care
3. Risk of abnormally slow heart rate twice as high in those taking drugs to slow Alzheimers
4. Teen attitudes toward smoking linked to likelihood of drinking and using drugs
5. UCLA study identifies 2 chemicals that could lead to new drugs for genetic disorders
6. GENova Biotherapeutics secures new cancer drugs targets
7. Reportlinker Adds World Anti-Obesity Drugs Market Report
8. Yeast unravels effects of chemotherapy drugs
9. Vitro's Cancer Stem Cell Therapy Complements New Hedge Hog Drugs
10. Antiviral Drugs Should Be Used Cautiously to Fight Flu, U.S. Says
11. Reportlinker Adds Prescription Drugs Report
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:2/18/2017)... Hills, California (PRWEB) , ... February 17, 2017 ... ... info@drvallecillos.com , drvallecillos.com , Beverly Hills plastic surgeon Dr. ... subcutaneous fat cells. , Dr. Vallecillos says, "Traditionally, plastic surgery has been centered ...
(Date:2/18/2017)... , ... February 18, 2017 , ... ... provides the latest information and contact points to easily connect elderly veterans of ... assisted living, and elder-care funding. It also conveys material on this year's increase ...
(Date:2/17/2017)... ... February 17, 2017 , ... The Alliance ... change designed to further positively impact the health and wellness of our community ... considered it our duty to seriously consider releasing our assets beyond our 5% ...
(Date:2/17/2017)... ... February 17, 2017 , ... ... **An FDAnews Webinar**, Feb. 22, 2017 — 1:30 p.m. – 2:30 p.m. ... manufacturers should be asking before selecting an FDA approval pathway? , How ...
(Date:2/17/2017)... WA (PRWEB) , ... February 17, 2017 , ... ... management organizations, has been named a finalist in the 8th Annual DecisionHealth Platinum ... America's healthcare delivery system. Qualis Health’s work is recognized across multiple award categories, ...
Breaking Medicine News(10 mins):
(Date:2/17/2017)... Feb. 17, 2017  BioDigital, Inc., creators of ... of their 3D body mapping technology with eClinicalWorks, ... new integration will be used to capture and ... of the human body. BioDigital pilots show using ... while also increasing the precision of clinical annotations ...
(Date:2/16/2017)... -- Absorption Systems, a global leader in nonclinical testing ... announce that its Chief Operating Officer, Sid Bhoopathy ... the 2017 Executive Management Award. The award is sponsored ... for their creative management vision, leadership philosophy, innovative strategy ... is on March 8, 2017 at the Ballroom at ...
(Date:2/16/2017)... 2017 DaVita Inc. (NYSE: DVA ) ... 31, 2016. Net income attributable to DaVita ... was $158 million, or $0.80 per share and $880 million, ... income attributable to DaVita Inc. for the quarter and year ... was $192 million, or $0.98 per share, and $789 million, ...
Breaking Medicine Technology: