期刊
TRANSPLANTATION
卷 96, 期 3, 页码 245-250出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/TP.0b013e31829b7571
关键词
Treatment adherence; Kidney transplantation; Ingestible sensor system; Telemedicine; Enteric-coated mycophenolate sodium
Background. This open-label single-arm exploratory study evaluated the accuracy of the Ingestible Sensor System (ISS), a novel technology for directly assessing the ingestion of oral medications and treatment adherence. Methods. ISS consists of an ingestible event marker (IEM), a microsensor that becomes activated in gastric fluid, and an adhesive personal monitor (APM) that detects IEM activation. In this study, the IEM was combined to enteric-coated mycophenolate sodium (ECMPS). Twenty stable adult kidney transplants received IEM-ECMPS for a mean of 9.2 weeks totaling 1227 cumulative days. Results. Eight patients prematurely discontinued treatment due to ECMPS gastrointestinal symptoms (n=2), skin intolerance to APM (n=2), and insufficient system usability (n=4). Rash or erythema due to APM was reported in 7 (37%) patients, all during the first month of use. No serious or severe adverse events and no rejection episode were reported. IEM detection accuracy was 100% over 34 directly observed ingestions; Taking Adherence was 99.4% over a total of 2824 prescribed IEM-ECMPS ingestions. ISS could detect accurately the ingestion of two IEM-ECMPS capsules taken at the same time (detection rate of 99.3%, n=2376). Conclusions. ISS is a promising new technology that provides highly reliable measurements of intake and timing of intake of drugs that are combined with the IEM.
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