An Indian national survey of therapeutic drug monitoring with anti-tumor necrosis (TNF) medications in inflammatory bowel disease.
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ABSTRACT: BACKGROUND:Evidence supports therapeutic drug monitoring (TDM) in improving efficacy and cost-effectiveness of anti-TNF therapy in inflammatory bowel disease (IBD). Data on perceptions and barriers to TDM use are limited and no data are available from India. Our objective was to assess clinicians' attitudes and barriers to TDM use in IBD. METHODS:A 16-question survey was distributed to members of the Indian Society of Gastroenterology. Information on clinician characteristics, demographics, use and barriers towards TDM with anti-TNFs was collected. Logistic regression was used to predict factors influencing TDM use. RESULTS:Two hundred and forty-two respondents participated (92.5% male); 83% were consultant gastroenterologists. Of 104 respondents meeting inclusion criteria (treating >?5 IBD patients and at least 1 with an anti-TNF per month), complete responses were available for 101 participants. TDM was utilized by 20% (n?=?20) of respondents. Of them, 89.5% (n?=?17) used TDM for secondary loss of response; 73.7% (n?=?14) for primary non-response and 5.3% (n?=?1) proactively. Barriers to TDM use were cost (71.2%), availability (67.8%), time lag in results (58.7%) and the perception that TDM is time-consuming (45.7%). Clinicians treating >?30 IBD patients were more likely to check TDM (OR?=?4.9, p?=?0.02). Of 81 respondents not using TDM, 97.5% (n?=?79) would do so if all the barriers were removed. CONCLUSION:Significant barriers to TDM use were availability, cost and time lag for results. If these barriers were removed, almost all the clinicians would use TDM at least reactively and 25% would use proactively. There is an urgent need to address these barriers and optimize anti-TNF therapy for optimal outcomes.
SUBMITTER: Patel RN
PROVIDER: S-EPMC7297832 | biostudies-literature | 2020 Apr
REPOSITORIES: biostudies-literature
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