Patient compliance and outcomes

Interventions to improve medication adherence in inflammatory bowel disease: A systematic review

OBJECTIVE

To summarize existing literature examining interventions to enhance medication adherence and their effectiveness in enhancing care for inflammatory bowel disease (IBD) patients.

METHODS

This review was performed according to the Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA) statement. PubMed and Embase were searched for studies from June 2014 to Dec 2020. Only the studies published in English were included.

RESULTS

Our systematic literature search identified 488 published articles. Seventeen studies with a total of 7073 patients were included. Out of seventeen different interventions, five were classified as educational, eight as multicomponent, three as behavioral and one as cognitive behavioral. Adherence was measured using patient self-report, administrative/pharmacy claims data, and electronic monitoring devices/pill dispensing systems. Twelve out of seventeen interventions showed a statistically significant improvement in medication adherence including three educational, seven multicomponent, one behavioral and one cognitive behavioral intervention.

CONCLUSIONS

Multicomponent interventions demonstrated the greatest success in IBD patients in promoting medication adherence. Future research should focus on a multidisciplinary approach to design multicomponent interventions to optimize treatment adherence and enhance long-term clinical outcomes.

PRACTICE IMPLICATIONS

While stand-alone strategies have demonstrated effectiveness in improving adherence, better outcomes may be achieved by combining multiple strategies.

Medication non-adherence in adult patients affected by inflammatory bowel disease: a critical review and update of the determining factors, consequences and possible interventions

Achieving adherence to medications can be a serious challenge for patients affected by inflammatory bowel disease (IBD). Medical treatment is fundamental for inducing and maintaining remission, preventing flares and reducing the risk of colorectal cancer. Non-adherence may affect patients' quality of life resulting in unfavourable treatment outcomes, more hospitalizations and higher healthcare-related costs. Recognising and improving adherence is therefore a primary aim for the treatment of IBD. Areas covered: We critically discuss the current knowledge on medication non-adherence in adult patients affected by IBD, also mentioning a few issues concerning the paediatric and adolescent populations. In particular, we reviewed the literature focusing on the definition and detection of non-adherence, on its extent and on the possible non-modifiable and modifiable factors involved (patient-centred, therapy-related, disease-related and physician-related). Furthermore, we analysed the interventional studies performed so far. The literature review was conducted through PubMed addressing medication non-adherence in IBD, using the keywords 'adherence' and related terms and 'IBD, ulcerative colitis or Crohn's disease'. Expert commentary: Adherence to therapy for IBD is a complex yet fundamental issue that cannot be solved by addressing a single aspect only. Future studies should focus on patient-tailored and multidimensional interventions.

Identifying predictors of low adherence in patients with inflammatory bowel disease

BACKGROUND AND AIM

Inflammatory bowel diseases (IBDs) are chronic gastrointestinal conditions requiring medical therapy to maintain clinical remission. Low adherence to therapy leads to poorer disease outcome. Therefore, we aimed to identify predictors of low adherence in the Belgian IBD population.

PATIENTS AND METHODS

Between November 2013 and March 2014, 570 ambulatory patients (471 patients with IBD and 99 non-IBD controls) visiting a tertiary IBD-referral centre were requested to complete the Morisky 8-Item Medication Adherence Scale (MMAS-8) questionnaire as well as a survey of sociodemographic data (smoking, educational level, marital status and occupation). On the basis of the self-reported MMAS questionnaire, adherence was categorized as low (MMAS-8 score: >2), medium (MMAS-8 score: 1-2) or high (MMAS-8 score: 0).

RESULTS

The response rate in the IBD population was as high as 99%. Low adherence was reported less frequently in the IBD population than in the non-IBD controls (36 vs. 49%, P=0.021). In multivariate analysis, factors associated independently with low adherence in the IBD population were age younger than 40 [odds ratio: 1.589 (95% confidence interval: 1.057-2.389), P=0.026], higher educational level [1.961 (1.305-2.946), P=0.001], being single [1.641 (1.020-2.639), P=0.041] and the use of mesalamine [1.591 (1.018-2.487), P=0.041]. Self-employment was identified as a protective factor for low adherence [0.397 (0.167-0.946), P=0.041].

CONCLUSION

Approximately one-third of the IBD patients were low adherers. Predictors of low adherence were aged younger than 40 years, higher educational level, being single and mesalamine use, whereas being self-employed was a protective factor. On the basis of these data, personalized algorithms may be developed to improve patient education, empowerment and follow-up.

Self-reported adherence to medical treatment, breastfeeding behaviour, and disease activity during the postpartum period in women with Crohn's disease

OBJECTIVES

Adherence to medical treatment among women with Crohn's disease (CD) in the postpartum period has never been examined. The impact of breast-feeding on disease activity remains controversial. We aimed to assess rates of non-adherence to medical treatment among women with CD in the postpartum period. Further, to assess breast-feeding rates and the impact of breast-feeding on the risk of relapse.

METHODS

Within a population of 1.6 million, we identified 154 women with CD who had given birth within a 6-year period. We combined questionnaire data, data from medical records and public register data. We used logistic regression to estimate prevalence odds ratios (POR) for non-adherence, relapse and breast-feeding according to different predictors.

RESULTS

Among 105 (80%) respondents, 59 (56%) reported taking medication. Of these, 66.1% reported to be adherent to medical treatment. Fear of medication transmission to the breast milk was stated as the reason for non-adherence in 60%. Those who received counselling regarding medical treatment were less likely to be non-adherent (POR 0.55, 95% confidence interval [CI] 0.1-2.5). In total, 87.6% were breast-feeding. Breast-feeding rates did not vary by medical treatment. Predictors for relapse in CD were smoking (POR 1.85, 95% CI 0.62-5.54) and non-adherence among medical treated (POR 1.25, 95% CI 0.26-6.00). Breast-feeding seemed protective against relapse (POR 0.33, 95% CI 0.10-1.26).

CONCLUSIONS

Adherence to medical treatment in the postpartum period was high, and counselling seemed to increase adherence. Relapse may be explained by non-adherence or smoking while breast-feeding seemed protective.

Self-reported adherence to medical treatment prior to and during pregnancy among women with ulcerative colitis

BACKGROUND

Adherence to medical treatment among women with ulcerative colitis (UC) prior to and during pregnancy has never been investigated. The aim was to examine predictors for and prevalence rates of nonadherence to maintenance treatment among women with UC prior to and during pregnancy.

METHODS

We identified 115 women with UC having given birth during 2000-2005 within a population of 1.6 million. They received a questionnaire about predictors and adherence and relapses were registered. We retrieved information on medical treatment from prescription databases and used logistic regression to estimate prevalence odds ratios (POR) for nonadherence by different predictors.

RESULTS

Among 93 (81%) respondents, 63 (68%) reported taking medication, 53 of whom had filled prescriptions for relevant medication, yielding a positive predictive value of self-reported use of medical treatment of 84.1% (95% confidence interval [CI] 72.7-92.1). Approximately 60% reported adhering to medical treatment. Those who received counseling regarding medical treatment were less likely to be nonadherent compared with no counseling, especially during pregnancy (POR 0.2, 95% CI 0.04-0.94). Of those who were nonadherent, fear of a negative effect on fertility/fetus was stated as the reason by 23% prior to and by 50% during pregnancy. Notably, 40.3% reported an episode of relapse during the pregnancy period, compared with 13.6% in the period 6 months prior to pregnancy.

CONCLUSIONS

Adherence was high despite fear of a negative effect on fertility or the fetus. Counseling predicted higher adherence. This may be important because our study suggests an increase in UC activity during pregnancy.

Self-reported antenatal adherence to medical treatment among pregnant women with Crohn's disease

BACKGROUND

Adherence to medical treatment among women with Crohn's disease (CD) prior to and during pregnancy has never been reported.

AIM

To examine both the predictors and prevalence rates of non-adherence to maintenance medical treatment among women with CD prior to and during pregnancy.

METHODS

Among a population of 1.6 million inhabitants, we identified a total of 132 women with CD who had given birth during 2000-2005. Questionnaires were used to investigate predictors and extent of adherence. The validity of self-reported use of medication was assessed using data from the Danish Prescription Database. We used logistic regression to estimate prevalence odds ratios for non-adherence according to smoking status and other predictors.

RESULTS

Eighty percent of the patients returned the questionnaire. A total of 58 (54%) women reported to have been on medical treatment, 50 of whom had fulfilled a prescription on relevant medication. Adherence to medical treatment was 72%. Fear of a negative effect on fertility/foetus was a reason for non-adherence by 18.8% prior to, and by 45.5% during, pregnancy. Among smokers, 30.8% were non-adherent compared with 11.5% among nonsmokers (prevalence odds ratio 3.41, 95% CI 0.8-14.7).

CONCLUSIONS

Despite fear of a negative effect on fertility/foetus, adherence to medical treatment is high in women with CD. There is no substantial variation in adherence prior to and during pregnancy. Smoking prior to pregnancy is a predictor of non-adherence.

Activation and perceived expectancies: correlations with health outcomes among veterans with inflammatory bowel disease

OBJECTIVE

Inflammatory bowel disease imposes psychosocial stress on the patient. Patients' adaptive capacities may predict quality of life. We examined two adaptive capacity measures and their association with quality of life.

DESIGN

Cross-sectional mail survey of patients with inflammatory bowel disease. The Patient Activation Measure (PAM) assesses knowledge, skill, and confidence in self-health management. The Perceived Expectancies Index (PEI) measures perceived competence and dispositional optimism.

SETTING/PATIENTS

Four hundred and seventy-seven veterans at VA-Tennessee Valley Healthcare System.

MAIN OUTCOME MEASURE

Primary outcome was health-related quality of life (measured by the Short Inflammatory Bowel Disease Questionnaire). Bivariate analysis assessed unadjusted correlations. Sequential multivariate linear regression tested theoretical model relationships by calculating the variation in each dependent variable accounted for by independent variables (R-squared statistic).

RESULTS

Two hundred and sixty surveys were returned with usable data (54.5%). Median age was 63 years (range 19-91); 90.8% were men and 86.9% self-identified as white. Fifty percent reported having ulcerative colitis, 36.5% Crohn's disease, and 12.3% uncertain type. Unadjusted bivariate analysis revealed positive correlations between the PAM and PEI and the Short Inflammatory Bowel Disease Questionnaire (correlation coefficient = 0.35 and 0.60, respectively; p < 0.0001). Multivariate model including the PAM accounted for 26% of the variation in Short Inflammatory Bowel Disease Questionnaire scores, while the model including the PEI accounted for 50% (p < 0.0001).

CONCLUSIONS

There are positive, highly significant correlations between adaptive capacities and health-related quality of life in patients with inflammatory bowel disease.

IBD patients need in health quality of care ECCO consensus

INTRODUCTION

: Inflammatory bowel diseases (IBD) is a lifelong disorder with increasing incidence and prevalence. IBD primarily affects young people's productivity in addition to direct and indirect costs. The chronic nature of the disease and the patients' requirement of frequent and easy access to the Health Care providers regarding lifelong medication, social and psychological support and regular follow-up in out-patient clinics are important considerations to address.

AIM AND METHODS

: To define IBD patient needs in Quality of Health Care (QoHC) in Europe based on up- to date available evidence. The working group consisted of doctors, nurses and patient organizations from 12 European countries and Israel. Pub Med searching was performed as defined in the Delta Method. Each recommendation was graded (RG) in accordance with level of evidence (EL) based on Evidence Based Medicine, Oxford Centre. During UEGW 2007 the group reconvened to agree on the final version for each chapter of guideline statement

RESULTS

: Pub Med search led to 6 RCT, 7 reviews, 63 original articles, but no meta-analysis regarding "Information"; "Education"; "Primary Care", "Quality of life", "Psychological help" and "Benchmarking of Health Care systems" in IBD. Seven ECCO statements have been worked out.

CONCLUSION

: Evidence-based medicine in QoHC is limited. It is concluded that optimizing QoHC by "information"; "education", "benchmarking" and "psychological analysis" helps the patient to understand the disease and comply with its therapy, increasing QoL, reducing depression and anxiety. Future aspects regarding more evidence-based science and optimization of QoHC in IBD throughout Europe have been proposed.

Predictors of medication adherence in inflammatory bowel disease

BACKGROUND AND AIMS

This study reports cross-sectional medication adherence data from year 1 of the Manitoba Inflammatory Bowel Disease (IBD) Cohort Study, a longitudinal, population-based study of multiple determinants of health outcomes in IBD in those diagnosed within 7 yr.

METHODS

A total of 326 participants completed a validated multi-item self-report measure of adherence, which assesses a range of adherence behaviors. Demographic, clinical, and psycho-social characteristics were also assessed by survey. Adherence was initially considered as a continuous variable and then categorized as high or low adherence for logistic regression analysis to determine predictors of adherence behavior.

RESULTS

Using the cutoff score of 20/25 on the Medication Adherence Report Scale, high adherence was reported by 73% of men and 63% of women. For men, predictors of low adherence included diagnosis (UC: OR 4.42, 95% CI 1.66-11.75) and employment status (employed: OR 11.27, 95% CI 2.05-62.08). For women, predictors of low adherence included younger age (under 30 versus over 50 OR 3.64, 95% CI 1.41-9.43; under 30 vs. 40-49 yr: OR 2.62, 95% CI 1.07-6.42). High scores on the Obstacles to Medication Use Scale strongly related to low adherence for both men (OR 4.05, 95% CI 1.40-11.70) and women (OR 3.89, 95% CI 1.90-7.99). 5-ASA use (oral or rectal) was not related to adherence. For women, immunosuppressant use versus no use was associated with high adherence (OR 4.49, 95% CI 1.58-12.76). Low trait agreeableness was associated with low adherence (OR 2.03, 95% CI 1.12-3.66).

CONCLUSIONS

Approximately one-third of IBD patients were low adherers. Predictors of adherence differed markedly between genders, although obstacles such as medication cost were relevant for both men and women.

Acceptance of telemanagement is high in patients with inflammatory bowel disease

GOALS

Assess acceptance and attitudes regarding telemanagement (HAT) in patients with inflammatory bowel disease (IBD).

BACKGROUND

Noncompliance is a barrier to successful outcomes in patients with IBD. Novel methods for monitoring and assessing compliance are needed.

STUDY

HAT consists of a laptop connected to a weight scale. HAT prompts patients to respond to questions about symptoms, medication side effects, and compliance. Ten consecutive adult patients with IBD were trained to use HAT. Attitudinal surveys and structured qualitative interviews were performed at the end of the session.

RESULTS

Twenty percent of patients had never used a computer at home. All patients reported that use of the computer and self-testing was not complicated. All patients reported that the symptom diary and questions on side effects were easy to answer. All patients reported that self-testing took little time. Eighty percent said that testing would not interfere with usual activities, that they could comply with testing 3 times/wk, and that they would agree to use the system in the future.

CONCLUSIONS

Improved methods of monitoring are needed for patients with IBD. Patients with IBD can be easily trained to use HAT, and patient acceptance is high. Further studies are needed to determine the clinical impact of HAT in IBD.

Mesalazine (5-aminosalicylic acid) micropellets show similar efficacy and tolerability to mesalazine tablets in patients with ulcerative colitis--results from a randomized-controlled trial

BACKGROUND

Formulations containing 5-aminosalicylic acid, such as mesalazine, are the gold standard of treatment for mild-to-moderate ulcerative colitis. Current oral regimens require the use of large tablets and frequent dosing to reach the recommended treatment dose. Mesalazine micropellets were designed to allow less frequent dosing in an easier to swallow formulation.

AIM

To compare the efficacy of mesalazine micropellets with the tablet formulation in patients with mild-to-moderate ulcerative colitis.

METHODS

This phase 2, double-blind, active-controlled, parallel-group, multiple dose clinical trial randomized 362 patients to either mesalazine micropellets or tablets, at a dosage of 3 g/day. The primary efficacy end-point was the incidence of clinical remission within 8 weeks, defined as the sum of clinical activity index components 1-4 (CAI(C1-4)) < or = 2.

RESULTS

CAI(C1-4) decreased significantly in both treatment groups within 8 weeks. The micropellet formulation showed confirmatory non-inferiority with statistical significance compared with the tablet formulation, with regard to the incidence of clinical remission (odds ratio in according-to-protocol population 1.008; 95% CI: 0.623-1.632). There was no significant difference in the incidence of adverse events.

CONCLUSIONS

The mesalazine micropellet formulation is as effective as tablets in patients with mild-to-moderate ulcerative colitis, enabling a larger dose to be taken comfortably and conveniently, thereby potentially improving patient compliance, treatment response and quality of life.

Crohn's is not a 6-week disease: lifelong management of mild to moderate Crohn's disease

Crohn's disease is an idiopathic, chronic inflammatory disorder of the digestive tract with heterogeneous clinical presentations. Crohn's is currently not a curable disease, and patients are faced with a lifetime of recurrent disease flare-ups and remissions. Management strategies for Crohn's must therefore be targeted toward lifelong management, taking into consideration not only the short-term but also the long-term aspects of the disease. With this in mind, here we review the classifications and natural history of Crohn's disease and discuss possible predictive factors for the disease evolution in a patient. Here we also evaluate the current preferable treatment practices, based on scientifically valid research and collective clinical experience, for the management of mild to moderate Crohn's disease.

Patient nonadherence to medication in inflammatory bowel disease

OBJECTIVE

The aim of this study was to identify determinants of nonadherence to medication in outpatients with established inflammatory bowel disease (IBD).

METHODS

Ten gastroenterologists and 153 of their IBD patients participated in this prospective study. Demographic, clinical, and psychosocial characteristics, as well as patient-physician discordance, were assessed at an office visit. Nonadherence to medication was assessed 2 wk later. Separate generalized estimating equations were used to identify determinants of nonadherence.

RESULTS

Physicians averaged 47.9 yr in age (range 30.1-57.5 yr), and 90% were male. Patients averaged 37.0 yr (SD = 15.1), and 87 (56.9%) were female. In all, 63 patients (41.2%) were nonadherent to medication; of these, 51 (81.0%) indicated unintentional nonadherence, 23 (36.5%) intentional nonadherence, and 11 (17.5%) both. Overall nonadherence was predicted by disease activity (OR = 0.55, p = 0.0022), new patient status (OR = 2.14, p = 0.0394), disease duration (OR = 0.50, p = 0.0001), and scheduling a follow-up appointment (OR = 0.30, p = 0.0059), whereas higher discordance on well-being was predictive only in psychologically nondistressed patients (p = 0.0026 for interaction). Unintentional nonadherence was predicted by age (OR = 0.97, p = 0.0072), new patient status (OR = 2.80, p = 0239), and higher discordance on well-being in psychologically nondistressed patients (p = 0.0504). Intentional nonadherence was predicted by disease duration (OR = 0.55, p = 0032), scheduling a follow-up appointment (OR = 0.12, p = 0.0001), certainty that medication would be helpful (OR = 0.99, p = 0.0409), and total patient-physician discordance (OR = 1.59, p =.0120).

CONCLUSIONS

These findings suggest that the therapeutic relationship, as well as individual clinical and psychosocial characteristics, influence adherence to medication.

Is your patient taking the medicine? A simple assay to measure compliance with 5-aminosalicylic acid-containing compounds

BACKGROUND

Poor compliance with 5-aminosalicylic acid therapy has been reported amongst patients with inflammatory bowel disease. Currently, there is no easy method to monitor 5-aminosalicylic acid; however, the chemical similarity between 5-aminosalicylic acid and salicylate might provide a solution.

AIM

To determine the feasibility of using salicylate levels to monitor compliance with 5-aminosalicylic acid medication.

METHODS

Thirty-six patients with inflammatory bowel disease, taking maintenance 5-aminosalicylic acid, provided either a paired serum and urine sample or an intestinal biopsy. Samples were split into two: half were sent to the hospital biochemistry department for salicylate measurement, and half were analysed for 5-aminosalicylic acid and its metabolite, N-acetyl-5-aminosalicylic acid, using high performance liquid chromatography. Correlation between the results was calculated.

RESULTS

Serum and urine were available for 25 patients. Serum salicylate was undetectable, but urinary salicylate ranged from 31 to 3254 microg/mL. The correlations between urinary salicylate and 5-aminosalicylic acid and N-acetyl-5-aminosalicylic acid were 0.96 (95% confidence interval, 0.91-0.98) and 0.9 (95% confidence interval, 0.77-0.96), respectively. Sixteen biopsies were available from 13 patients. The 5-aminosalicylic acid and N-acetyl-5-aminosalicylic acid concentrations were 0.2-657 ng/mg and 1.6-1598 ng/mg, respectively; there was no correlation with bowel salicylate.

CONCLUSIONS

The close correlation between 5-aminosalicylic acid and salicylate levels offers a simple method to assess compliance with 5-aminosalicylic acid therapy.