Medication Regimen Complexity Index Research Articles

Investigating the association between medication regimen complexity, medication adherence and treatment satisfaction among Malaysian older adult patients: a cross-sectional study.

The prevalence of medication nonadherence among Malaysian older adults is approximately 60%. However, there is a lack of studies assessing the factors associated with medication nonadherence among this population. This research aims to explore the association between medication regimen complexity (MRC), treatment satisfaction and medication adherence among Malaysian older adults. A cross-sectional study was conducted in outpatient clinics of a teaching hospital in Pahang, Malaysia, between April 2023 and September 2023. MRC Index (MRCI), Treatment Satisfaction for Medication version II (TSQM v.II), and the Malaysian Medication Adherence Assessment Tool (MyMAAT) were used. Multivariate linear and logistic regression models were performed to test the factors affecting treatment satisfaction and medication adherence. Mediator analysis was implemented to assess the mediating role of treatment satisfaction. The study involved 429 Malaysian older adult patients, with a prevalence of nonadherence of 51.0% (n = 219) and an MRCI mean score of 17.37 (SD = 7.07). The mean overall treatment satisfaction score was 73.91 (SD = 15.23). Multivariate logistic regression analysis expressed four significant predictors associated with nonadherence: MRC (AOR = 1.179, p = 0.002), overall treatment satisfaction (AOR = 0.847, p < 0.001), partially self-managed medication (AOR = 2.675, p = 0.011) and fully managed medication by family members/caregivers (AOR = 8.436, p = 0.004). Multivariate linear regression shows three predictors of treatment satisfaction: MRC (β = -1.395, p < 0.001), Charlson Comorbidity Index (CCI) (β = -0.746, p = 0.009) and self-managed medication (β = 5.554, p = 0.006). Mediator analysis indicated that treatment satisfaction partially mediated the association between MRC and nonadherence. Nonadherence was quite prevalent among Malaysian older outpatients and was associated with regimen complexity, treatment satisfaction and patient dependence on others to manage their medications. Future studies should focus on interventions to control the factors that negatively affect patients' medication adherence.

Comparative analysis of the prevalence 3-HIT concept in people living with HIV and seronegative patients with chronic conditions. Cross-3HIT Project.

ObjectivesThis study aimed to assess and compare the occurrence of 3-HIT in people living with HIV (PLWH) and seronegative patients. Additionally, the study investigated whether HIV infection could serve as...

Persistence in the Methadone Maintenance Program and Its Relationship with the Medication Regimen Complexity Index in Opioid-Dependent Patients.

It has been shown that the Medication Regimen Complexity Index (MRCI) is a useful and reliable tool for calculating the complexity of the pharmacotherapeutic regimen (CPR). Furthermore, a high MRCI is associated with lower adherence. However, the MRCI of opioid-dependent patients (ODP) has not been studied. The aim of this study is to calculate the Methadone Maintenance Program (MMP) persistence and the MRCI score in a ODP cohort. Second, to analyze its relationship and association with other variables. To accomplish this research, an observational study including adults with a confirmed diagnosis of opiate-dependency according to the DSM-5 in a MMP center was carried out. To define MMP-persistence, a group was created by the researchers who defined five weighted items according to their agreed importance. Our first contribution was to create a new definition of MMP-persistence. This study also identified age, comorbidities, and received methadone maintenance doses as successful predictors for MMP-persistence. We have also shown that the MRCI does not seem to be a useful tool to determine MMP-persistence, probably because there are multiple factors that influence it in addition to the CPR. It is necessary to continue searching for more precise selection and stratification tools for ODP to improve their persistence.

Assessment of drug utilization and potentially inappropriate medications in hemodialysis patients with end-stage renal dysfunction: A study in a tertiary care hospital in Bahrain.

Patients undergoing dialysis pose therapeutic challenges in terms of polypharmacy, administration of potentially inappropriate drugs, and drugs with the potential risk of toxicity. This study evaluated the use of drugs, potentially inappropriate medicines (PIM), drugs with risk of Torsades de Pointes (TdP), and the complexity of the prescribed regimen using the medication regimen complexity index scale in patients undergoing hemodialysis. A retrospective cohort study was carried out amongst patients receiving hemodialysis. Drugs were classified into one of four classes: (i) drugs used in managing renal complications, (ii) cardiovascular drugs, (iii) anti-diabetic drugs, (iv) drugs for symptomatic management, and (v) others. Drugs were considered as PIM according to the Can-SOLVE CKD working group from a network of Canadian nephrology health professionals. The study adhered to the CredibleMeds classification of drugs with known, possible, and conditional risk of TdP and the complexity of prescribed medicines was evaluated based on the pre-validated medication regimen complexity index scale based on form/route, frequency of dosing, and requirement of special instructions. Sixty-three participants were included in the study (49 males and 14 females) with the median (range) age of 45 (21-66) years. Cardiovascular drugs followed by drugs used for managing renal complications were the most common classes administered. Notably, 12 (19.1%) patients received one of the non-steroidal anti-inflammatory drugs, 21 (33.3%) received a proton pump inhibitor, three (4.8%) received pregabalin, two (3.2%) received opioid drugs, and one (1.6%) was administered celecoxib. Atorvastatin, furosemide, omeprazole, and allopurinol were the most common PIM drugs administered to the study participants followed by others. Drugs used for symptomatic management had significantly more PIM compared to other classes (p <0.0001). Six (9.5%) patients received drugs with known TdP risk, one with possible TdP risk, and 61 with conditional risk. Median (range) medical regimen complexity index score was 26.5 (2-62.5). A huge burden of drug therapy was observed in the hemodialysis patients in terms of higher proportions of PIM, complex medical regimen, and prescription of drugs with risk of TdP. Implementation of clinical decision support tools enhancing rational prescription and identification of drugs with TdP risk, introducing antimicrobial stewardship, and stepwise deprescription of the drugs with the least benefit-risk ratio are warranted.

Pharmacist-led telehealth deprescribing for people living with dementia and polypharmacy in primary care: A pilot study.

People living with dementia (PLWD) have complex medication regimens, exposing them to increased risk of harm. Pragmatic deprescribing strategies that align with patient-care partner goals are needed. A pilot study of a pharmacist-led intervention to optimize medications with patient-care partner priorities, ran May 2021-2022 at two health systems. PLWD with ≥7 medications in primary care and a care partner were enrolled. After an introductory mailing, dyads were randomized to a pharmacist telehealth intervention immediately (intervention) or delayed by 3 months (control). Feasibility outcomes were enrollment, intervention completion, pharmacist time, and primary care provider (PCP) acceptance of recommendations. To refine pragmatic data collection protocols, we assessed the Medication Regimen Complexity Index (MRCI; primary efficacy outcome) and the Family Caregiver Medication Administration Hassles Scale (FCMAHS). 69 dyads enrolled; 27 of 34 (79%) randomized to intervention and 28 of 35 (80%) randomized to control completed the intervention. Most visits (93%) took more than 20 min and required multiple follow-up interactions (62%). PCPs responded to 82% of the pharmacists' first messages and agreed with 98% of recommendations. At 3 months, 22 (81%) patients in the intervention and 14 (50%) in the control had ≥1 medication discontinued; 21 (78%) and 12 (43%), respectively, had ≥1 new medication added. The mean number of medications decreased by 0.6 (3.4) in the intervention and 0.2 (1.7) in the control, reflecting a non-clinically meaningful 1.0 (±12.4) point reduction in the MRCI among intervention patients and a 1.2 (±12.9) point increase among control. FCMAHS scores decreased by 3.3 (±18.8) points in the intervention and 2.5 (±14.4) points in the control. Though complex, pharmacist-led telehealth deprescribing is feasible and may reduce medication burden in PLWD. To align with patient-care partner goals, pharmacists recommended deprescribing and prescribing. If scalable, such interventions may optimize goal-concordant care for PLWD.

Factors Influencing Medication Adherence in Patients Undergoing Hemodialysis

Purpose: This study aimed to investigate medication regimen complexity, social support, and beliefs about medicine as factors related to medication adherence, with the eventual goal of targeting these factors to improve medication adherence in patients undergoing hemodialysis.Methods: This study included 143 patients undergoing hemodialysis (hospitalized or outpatients) from two hospitals located in Daegu city. Data were collected from January 11 to March 31, 2023, using self-reported questionnaires, including the Morisky Medication Adherence Scale (MMAS-8), medication regimen complexity index, multidimensional scale of perceived social support, and beliefs about medicine. The collected data were analyzed using descriptive tests, the independent t-test, one-way analysis of variance, Pearson’s correlation coefficients, and hierarchical multiple regression via SPSS for Windows version 25.0.Results: Based on the MMAS-8 scores, the prevalence of medication nonadherence was determined to be 53.8%. In hierarchical regression analysis, the factors affecting medication adherence included beliefs about medicine (β=.34, &lt;i&gt;p&lt;/i&gt;&lt;.001) and social support (β=.30, &lt;i&gt;p&lt;/i&gt;&lt;.001). The total explanatory power of the regression model was 44% (F=16.83, &lt;i&gt;p&lt;/i&gt;&lt;.001).Conclusion: Social support and beliefs about medicine can be effective strategies for positively changing medication adherence in patients undergoing hemodialysis. It is essential to establish nursing intervention programs to increase social support and modify beliefs about medicine in patients undergoing hemodialysis.

Effect of Multi-Dose Dispensing on Medication Regimen Complexity: A Real-World Study.

(1) Background: Older patients frequently require dosing aids, such as multi-dose medication dispensing (MMD) when they experience medication regimen complexity (MRC) with increased drug use. However, the evaluations of the efficacy of MMD alterations remain limited. (2) Methods: A total of 1120 patients were included in the study who were discharged from hospital during the study period of January to March 2019. The Medication Regimen Complexity Index (MRCI) score, a validated 65-item tool in Korea (MRCI-K), was used to quantify MRC. The original MRCI-K scores, representing the typical administration based on prescription information, were compared to recalculated MRCI-K scores measured following MMD during the hospital dispensing period. Differences in MRCI-K across the top four wards based on the numbers of discharge prescription medications were assessed, and the overall scores were categorized into quartiles to identify MMD's impact within each group. We confirmed the effect of MMD based on the patient's admission diagnosis depending on MRCI. (3) Results: The mean (standard deviation) of original MRCI scores was 26.2 (13.4), which decreased to 18.9 (8.8) after applying MMD. The decrease in MRCI scores after MMD was statistically significant in all four wards, with the Orthopedic Surgery ward showing the biggest decrease. The patients with MRCI scores in the highest quartile group demonstrated the greatest improvement as a result of the implementation of MMD. Respiratory diseases exhibited the highest baseline MRCI scores due to formulation complexity, and ear, nose, and throat patients demonstrated the most significant reduction in MRC after MMD, depending on the diagnostic criteria at administration. (4) Conclusions: We confirmed the reduction in MRC after applying MMD, as a significant decrease in MRCI-K scores. This study highlights the need to deliver effective pharmacist-led services to identify patients who would benefit from MMD.

FACTORS ASSOCIATED WITH OLDER ADULTS’ READINESS FOR DISCHARGE FROM POST ACUTE CARE TO HOME

Abstract Following acute hospitalization, older adults are often transferred to post-acute care (PAC) for rehabilitation and nursing care. Most PAC admissions are comprised of adults with multimorbidity (&amp;gt;2 chronic diseases). After PAC discharge many patients are rehospitalized within 30 days. The goal of this study was to evaluate factors associated with older adult’s readiness for PAC discharge to home. A prospective one-arm descriptive correlation study was conducted. Older adults (N=19) discharged from PAC to home participated. Subjects were recruited over a 3-month period from a large midwestern facility. Participants completed the Patient Readiness for Hospital Discharge -Short Form (PR RHDS-SF) and Patient Activation Measure (PAM). Medication burden, measured by the medication regimen complexity index (MRCI) calculated from discharge medication record. Participants included 12 females and 5 males, mean age of 73 (SD 8.2)) years. The PT RHDS -SF mean score was 49.3 (SD 16.8). The PAM mean score was 54.7 (SD 7.4). Medication burden was high, mean MRCI was 31.5 (SD 11.6). There was a significant correlation [r (17) .48, p=.04] between total PT RHDS-SF score and patient activation levels. Preparing PAC patients to self-manage their multimorbid conditions may enhance their self-confidence with transition from PAC to home. Evaluating self-management preparedness of older adults prior to PAC discharge is vastly understood. Research is needed to prepare multimorbid older adult patients transitioning from PAC to home focused on perceived readiness and self-management confidence.

Concordance between pharmacotherapeutic complexity calculated and perceived by HIV+ patients with antiretroviral treatment

ObjectiveTo determine the difference between the pharmacotherapeutic complexity index by Medication Regimen Complexity Index and it's perceived by patients through a visual analogue scale in patients HIV+ with antiretroviral treatment. MethodProspective, observational study of patients HIV+ > 18 years of age with stable antiretroviral treatment in the last three months, followed up by external consultations of pharmaceutical care between October’17 and February’18. The main variable of the study was the concordance between the median of the score obtained in the pharmacotherapeutic complexity perceived by the patients using the visual analog scale whose range of values oscillates between 0–10, categorized in low complexity (0–1) and high complexity (2–10), and the median of the score obtained for the theoretical pharmacotherapeutic complexity using the Medication Regimen Complexity Index tool whose ranges of values oscillate between 1 and infinity, categorized in low complexity (0–11) and high complexity > 11. The overall complexity was calculated: antiretroviral treatment and concomitant treatment. Results: We included 236 patients in the study. There was a discrete concordance between the pharmacotherapeutic complexity perceived by the patients and that calculated according to the Medication Regimen Complexity Index tool (Cohen's Kappa index 0.203). The median of the Medication Regimen Complexity Index of the total medication was 6 (interquartile range: 4–10) versus the median of the Complexity Index measured by visual analog scale of 2 (interquartile range: 0–4). ConclusionsPatients perceive a pharmacotherapeutic complexity lower than that calculated. Therefore, we must include the two scales in pharmaceutical care for a better understanding of the patient's perception.

Prevalence of polypharmacy and pharmacotherapy complexity in elderly people living with HIV in Spain. POINT study

ObjectiveTo determine the prevalence of polypharmacy in persons living with HIV of at least 65 years of age receiving antiretroviral treatment. A characterization of antiretroviral treatment, as well as a determination of the prevalence of comorbidities; of the most common types of concomitant medication; of adherence rates; of the pharmacotherapeutic complexity; and of drug-drug interactions were also among the goals of the study. MethodTh is was a multi-center, cross-sectional observational study that included persons living with HIV aged 65 years or more who were on active antiretroviral treatment. Demographic, clinical (viral load, CD4 count and comorbidities) and pharmacotherapeutic (type of antiretroviral treatment: single tablet regimen, polypharmacy [six active ingredients or more] and major polypharmacy [11 active ingredients or more] variables were considered). Adherence to antiretroviral treatment was measured by dispensation records and the Simplified Medication Adherence Questionnaire, while adherence to concomitant medication was measured using dispensation records and the Morisky-Green questionnaire. The Medication Regimen Complexity Index was calculated. Drug-drug interactions were analyzed using the Liverpool and Lexicomp databases. ResultsSeventy-four patients (86.5% male) were included, with a median age of 69 years (66.7-72.0). The sexual route was the most common route of transmission of the disease (67.6%). The virus was undetectable in 89.2% of patients; the CD4 count was over 200/mL in 94.6% of the sample. The median number of comorbidities was 3.5 (2.0-5.0), 52.7% of them being cardiovascular; 50.0% related to the central nervous system; 176% hepatic; and 8.1% consisting in chronic pulmonary disease. A total of 81.1% of patients received triple therapy and 48.6% single tablet regimen. The median number of concomitant drugs administered was 5.0 (2.0-70), polypharmacy was observed in 71.6% of cases and major polypharmacy in 25.7%. Antihypertensive and cardiovascular drugs were prescribed to 56.8% of patients, lipid-lowering drugs to 50.0%, antiulcer agents to 33.8% and psychoactive drugs to 32.4%. According to dispensation records, adherence to antiretroviral treatment was 85.1% and to concomitant medication 62.8%. The median Medication Regimen Complexity Index for the whole treatment was 13.0 (8.0-176). Potential drug-drug interactions were observed in 55.4% of patients and contraindicated interactions in 12.2%. ConclusionsElderly persons living with HIV exhibit a high prevalence of polypharmacy, pharmacotherapeutic complexity, poor adherence and drug-drug interactions. For that reason, pharmacotherapeutic optimization must be a priority in these patients.

Evaluation of potentially inappropriate medications use and medication complexity in elderly patients applying to community pharmacy in Turkey

BackgroundOlder adults often use multiple medicines to manage comorbidities well or to prevent associated complications. This study aims to determine polypharmacy, the use of potentially inappropriate medications (PIMs) using the 2019 Beers Criteria and to determine the Medication Regimen Complexity Index (MRCI) score. It also aims to identify factors associated with the presence of PIMs and the MRCI score.MethodsThis cross-sectional study was carried out between 6 and 2023 and 5 May 2023 in a community pharmacy in Turkey. Elderly patients over 65 years of age, who used at least one drug, and who came to the pharmacy for any reason were included in the study. PIMs were determined according to the 2019 Beers Criteria. The Turkish validated version of the MRCI was used to determine the medication complexity score.Results200 patients were included in this study. 59.5% of the patients were female and the median age was 70 (IQR, 66-74.75). Polypharmacy was detected in 33% of patients. The use of PIMs was determined in 63.5% of the patients. The median of the MRCI score was 11 (IQR, 7–15). The number of chronic diseases and drugs, presence of polypharmacy, MRCI score and mental disorders were found to be significantly higher in those with PIMs than in those without (p < 0.05). Having less than eight years of education, presence of polypharmacy, the presence of comorbidity (diabetes mellitus, cardiovascular disease, thyroid, chronic obstructive pulmonary disease (COPD), asthma and mental disorders) were associated with significantly higher MRCI scores (p < 0.05).ConclusionsAccording to the results of our study, it was found that the elderly patients who came to the pharmacy had low MRCI scores, but had high PIMs use. Community pharmacists have an important role in identifying inappropriate drug use, so they should be trained to develop skills in identifying and reducing PIMs in older patients.

Polypharmacy as the risk factor of potentially inappropriate medication and medication regimen complexity index in hospitalised elderly patients

Background: The majority of elderly patients often receive complex therapy or polypharmacy due to physiological changes, which can develop into an adverse drug event. Objective: To analyse the risk factors of potentially Inappropriate Medications (PIMs) and medication regimen complexity in elderly patients. Method: This is an observational study with cohort retrospective methods, carried out at the In-patient Unit of Airlangga University Hospital, Surabaya. The inclusion criteria were patients aged ≥ 60 years old who were admitted between January to December 2019 for at least three days and received at least one drug. PIMs were monitored with Beers Criteria 2019 and therapy complexity was measured with Medication Regimen Complexity Index (MRCI) during admission, hospitalisation, and discharge. Result: Among 357 patients, 60.8% received at least one PIM on admission. Furthermore, the MRCI score decreased from 22.7 at the time of admission to 11.5 on discharge. Patients who received polypharmacy were two to three times more at risk of having PIMs (p &lt; 0.001). The number of medications correlated with the MRCI scores (Correlation Coefficient= 0.815–0.877, p &lt; 0.001). Conclusion: Polypharmacy is one of the risk factors of PIMs and medication regimen complexity, elderly patients who receive polypharmacy must be closely monitored to prevent adverse drug reactions.

Medication complexity and COVID-19 pandemic impact on the cost burden in non-COVID elderly patients at the emergency department

Background: The global increase in the elderly population and the incidence of emergency conditions due to physiological changes pose cost challenges for emergency services. COVID-19 potentially affects the financial burden of medication in elderly patients. Objective: To analyse the impact of medication complexity on the cost burden in elderly patients admitted to the Emergency Department (ED) before and during the COVID-19 pandemic. Method: A retrospective observational study was conducted among elderly patients (aged &gt; 60 years) who visited ED but were not hospitalised between January to April 2020. The medication complexity was measured using the Medication Regimen Complexity Index (MRCI) while the cost was collected from the hospital information system. Result: A total of 321 ED visits were included in this study. The results showed that the mean of the total medication was 3.89 ± 1.70, while the mean score of the MRCI was 15.20 ± 6.54. The mean medication cost required was IDR 56,342 for each ED visit. Conclusion: This study provided an overview and input to control medication costs for elderly patients in the emergency setting. Interested parties can design policies that are beneficial in economics and therapeutic outcomes.

Validation of the Arabic Version of Medication Regimen Complexity Index Among Older Patients Validation of the “MRCI-Arabic”

The medication regimen complexity index is widely used in clinical practice and many studies, to assess the complexity of medication regimens. The goal of this study is to validate the medication regimen complexity index-Arabic (MRCI-Arabic) version among older patients. Methods: This methodologic study was conducted in older patients (≥ 65 years old) who were native Arabic speakers at a community pharmacy located in Istanbul, Turkey. After the translation and cultural adaptation process finished, medication regimens of 30 patients were evaluated for test-retest reliability three weeks apart by the rater who was a native Arabic speaker. The inter-rater correlation was calculated in study population (n =100). The link between the number of medications and the score of medication regimen complexity was used to assess convergent validity. The difference in the score of pharmaceutical regimen complexity in stratified age groups was used to examine discriminant validity. Results: The inter-rater and test-retest reliability of the MRCI-Arabic total scale and its subsection were extremely high (Spearman’s rho ranged from 0.996 to 1; p &lt;0.001). There was a strong and positive correlation between the total MRCI-Arabic score and the number of medications (r = 0.830; p &lt; 0.001), the number of chronic diseases (r = 0.641; p &lt; 0.001). Conclusion: The Arabic validation of the MRCI is a validated tool that can be used by native Arabic-speaking healthcare professionals to determine the complexity of their patients’ medication regimens.

Medication exposure of the dyad patient-caregiver in Alzheimer's disease and related dementias: a cross-sectional study.

Patients with Alzheimer's disease and related dementias and their caregivers can be defined as people with higher risk of developing medication-related problems due to aging and polypharmacy. To assess the medication exposure of patient with Alzheimer's disease and related dementias and their caregivers. Ancillary cross-sectional study based on baseline medication data of the PHARMAID RCT. The PHARMAID study was a multi-center RCT assessing an integrated pharmaceutical care at a psychosocial program. Older outpatients with Alzheimer's disease and related dementias and their older caregivers were eligible for inclusion. Baseline medication data were used to assess the medication exposure, illustrated by the number of medications, the prevalence of potentially inappropriate medications (PIMs) using the EU(7)-PIM list and the Medication Regimen Complexity Index (MRCI). Seventy-three dyads were included in this ancillary study. The mean numbers (SD) of medications used by patients was 6.8 (2.6) and by caregivers was 4.7 (3.7). Overall, 60.3% of patients used at least one PIM and 47.9% of caregivers. Regarding the medication regimen complexity, the mean MRCI was 16.3(8.1) for patients and 11.3(10.5) for caregivers. The results of this study confirm the relevance of carrying out medication review with patients, but also with their caregivers who can be considered as hidden patients.

Exploring the Impact of Medication Regimen Complexity on Health-Related Quality of Life in Patients with Multimorbidity

Background. Patients with multiple chronic conditions often have complex medication regimes which negatively impact their health-related quality of life (HRQoL), and there is limited evidence on this topic, particularly from the resource limiting set-up. Hence, this study is aimed at assessing the impact of medication regimen complexity on HRQoL in patients with multiple chronic conditions at a university hospital in Ethiopia. Method. A cross-sectional study was conducted on adult patients who had at least two long-term diseases and were already receiving medical therapy for the relevant disorders. The validated 65-item Medication Regimen Complexity Index (MRCI) and the EuroQol-5-Dimensions-5-Levels (EQ-5D-5L) instruments were used to assess MRC and HRQoL, respectively. The Welch test for unequal variance and Fisher’s exact test were used to assess the impact of different variables on HRQoL. Results. The study surveyed 416 participants, with a 98.3% response rate, the majority of whom were female (n = 267, 64.2%) and had two chronic conditions (n = 215, 51.7%). About 46.4% of patients were taking five or more medications, with a significantly higher proportion at the high regimen complexity level ( P = 0.001 ). The average MRCI score was 9.73 ± 3.38, indicating a high level of complexity. Patients with high MRCI scores reported more problems in mobility, self-care, usual activities, pain/discomfort, and anxiety/depression. There was a negative correlation between the MRCI score and HRQoL as measured by the EQ-5D-Index (r = −0.175; P &lt; 0.001 ) and the EuroQol-Visual Analogue Scale score (r = −0.151; P = 0.002 ). In addition, there was a statistically significant difference in the mean EQ-5D-Index ( P = 0.001 ) and EQ-VAS scores ( P = 0.001 ) across low, medium, and high MRCI levels. Conclusion. Medication regimen complexity was prevalent among patients with multimorbidity and was associated with a decrease in HRQoL. Therefore, interventions addressing medication-related issues should be a priority to improve the well-being of patients with multiple chronic conditions.

An Ontology-Based Approach to Improving Medication Appropriateness in Older Patients: Algorithm Development and Validation Study.

Background: Inappropriate medication in older patients with multimorbidity results in a greater risk of adverse drug events. Clinical decision support systems (CDSSs) are intended to improve medication appropriateness. One approach to improving CDSSs is to use ontologies instead of relational databases. Previously, we developed OntoPharma-an ontology-based CDSS for reducing medication prescribing errors. Objective: The primary aim was to model a domain for improving medication appropriateness in older patients (chronic patient domain). The secondary aim was to implement the version of OntoPharma containing the chronic patient domain in a hospital setting. Methods: A 4-step process was proposed. The first step was defining the domain scope. The chronic patient domain focused on improving medication appropriateness in older patients. A group of experts selected the following three use cases: medication regimen complexity, anticholinergic and sedative drug burden, and the presence of triggers for identifying possible adverse events. The second step was domain model representation. The implementation was conducted by medical informatics specialists and clinical pharmacists using Protégé-OWL (Stanford Center for Biomedical Informatics Research). The third step was OntoPharma-driven alert module adaptation. We reused the existing framework based on SPARQL to query ontologies. The fourth step was implementing the version of OntoPharma containing the chronic patient domain in a hospital setting. Alerts generated from July to September 2022 were analyzed. Results: We proposed 6 new classes and 5 new properties, introducing the necessary changes in the ontologies previously created. An alert is shown if the Medication Regimen Complexity Index is ≥40, if the Drug Burden Index is ≥1, or if there is a trigger based on an abnormal laboratory value. A total of 364 alerts were generated for 107 patients; 154 (42.3%) alerts were accepted. Conclusions: We proposed an ontology-based approach to provide support for improving medication appropriateness in older patients with multimorbidity in a scalable, sustainable, and reusable way. The chronic patient domain was built based on our previous research, reusing the existing framework. OntoPharma has been implemented in clinical practice and generates alerts, considering the following use cases: medication regimen complexity, anticholinergic and sedative drug burden, and the presence of triggers for identifying possible adverse events.

Assessment of Medication Regimen Complexity of COPD Regimens in Individuals Visiting Community Pharmacies.

Non-adherence is common and linked to poor COPD outcomes. Medication Regimen Complexity Index (MRCI) scores affect other disease outcomes. Little is known about the implications of MRCI scores in COPD. Secondary analysis was done to calculate MRCI scores assessing relationship to symptoms, COPD severity and health literacy (HL) to identify potential interventions to optimize adherence. Secondary analysis was conducted of cross-sectional, non-randomized survey data. Participants with self-reported COPD completed a survey of demographics, exacerbations, symptoms (COPD Assessment Test (CAT)), and self-reported COPD regimens. COPD severity was classified into Global Initiative for Chronic Obstructive Lung Disease (GOLD) ABCD categories using exacerbation history and CAT. CAT scores were categorized as low (<10), high (>10) and very high (>20). A 1-year proportion of days covered (PDC) was calculated. A MRCI calculator scored regimens (primary endpoint). Published cut-off points were used to categorize MRCIs as low (≤4), medium (5-8) and high (>8) and inhaled device polypharmacy (IDP) as ≥3 devices. Risk for low HL was assessed using a Single Item Literacy Screener. Descriptive and Chi-squared statistics were used. Participants' (N = 709) PDC for 1 maintenance medicine averaged 0.43 ± 0.37; 28.7% were adherent (PDC ≥ 80%). CAT scores were very high in 54.6% and high in 35.8%. Distribution of GOLD categories were A (6%), B (35%), C (4%) and D (55%). High, medium and low MRCI were 85%, 14% and 9%, respectively. Mean devices per regimen was 2.05 ± 0.8; IDP was 28%. MRCI and IDP increased with worsening CAT scores and COPD severity per GOLD category (p<0.05), but not low HL. MRCI scores for COPD regimens increased with COPD severity and symptoms. Overall adherence was low despite high symptom scores; high MRCI scores could contribute. All COPD medication classes are available in multiple devices, combinations, and daily formulations; there is potential to simplify regimens. Prospective studies are needed to evaluate if interventions minimizing MRCI scores improve adherence and COPD outcomes.

Translated Article] Disease-modifying treatments for patients with multiple sclerosis in Spain

Multiple sclerosis is a chronic demyelinating disease of the central nervous system and long-term disabling. Different disease-modifying treatments are available. These patients, despite being generally young, have high comorbidity and risk of polymedication due to their complex symptomatology and disability. Objective primaryTo determine the type of disease-modifying treatment in patients seen in Spanish hospital pharmacy departments. Secondary objectives: to determine concomitant treatments, determine the prevalence of polypharmacy, identify the prevalence of interactions and analyze pharmacotherapeutic complexity. MethodObservational, cross-sectional, multicentre study. All patients with a diagnosis of multiple sclerosis and active disease-modifying treatment who were seen in outpatient clinics or day hospitals during the second week of February 2021 were included. Modifying treatment, comorbidities and concomitant treatments were collected to determine multimorbidity pattern, polypharmacy, pharmacotherapeutic complexity (Medication Regimen Complexity Index) and drug–drug interactions. Results1407 patients from 57 centres in 15 autonomous communities were included. The most frequent form of disease presentation was the relapsing remitting form (89.3%). The most prescribed disease-modifying treatment was dimethyl fumarate (19.1%), followed by teriflunomide (14.0%). Of the parenteral disease-modifying treatments, the two most prescribed were glatiramer acetate and natalizumab with 11.1% and 10.8%. 24.7% of the patients had 1 comorbidity and 39.8% had at least 2 comorbidities. 13.3% belonged to at least one of the defined patterns of multimorbidity and 16.5% belonged to 2 or more patterns. The concomitant treatments prescribed were psychotropic drugs (35.5%); antiepileptic drugs (13.9%) and antihypertensive drugs and drugs for cardiovascular pathologies (12.4%). The presence of polypharmacy was 32.7% and extreme polypharmacy 8.1%. The prevalence of interactions was 14.8%. Median pharmacotherapeutic complexity was 8.0 (IQR: 3.3–15.0). ConclusionsWe have described the disease-modifying treatment of patients with multiple sclerosis seen in Spanish pharmacy services and characterized concomitant treatments, the prevalence of polypharmacy, interactions, and their complexity.

Implications of the medication regimen complexity index score on hospital readmissions in elderly patients with heart failure: a retrospective cohort study

BackgroundThe likelihood of elderly patients with heart failure (HF) being readmitted to the hospital is higher if they have a higher medication regimen complexity index (MRCI) compared to those with a lower MRCI. The objective of this study was to investigate whether there is a correlation between the MRCI score and the frequency of hospital readmissions (30-day, 90-day, and 1-year) among elderly patients with HF.MethodsIn this single-center retrospective cohort study, MRCI scores were calculated using a well-established tool. Patients were categorized into high (≥ 15) or low (< 15) MRCI score groups. The primary outcome examined the association between MRCI scores and 30-day hospital readmission rates. Secondary outcomes included the relationships between MRCI scores and 90-day readmission, one-year readmission, and mortality rates. Multivariate logistic regression was employed to assess the 30- and 90-day readmission rates, while Kaplan-Meier analysis was utilized to plot mortality.ResultsA total of 150 patients were included. The mean MRCI score for all patients was 33.43. 90% of patients had a high score. There was no link between a high MCRI score and a high 30-day readmission rate (OR 1.02; 95% CI 0.99–1.05; p < 0.13). A high MCRI score was associated with an initial significant increase in the 90-day readmission rate (odd ratio, 1.03; 95% CI, 1.00-1.07; p < 0.022), but not after adjusting for independent factors (odd ratio, 0.99; 95% CI, 0.95–1.03; p < 0.487). There was no significant difference between high and low MRCI scores in their one-year readmission rate.ConclusionThe study’s results indicate that there is no correlation between a higher MRCI score and the rates of hospital readmission or mortality among elderly patients with HF. Therefore, it can be concluded that the medication regimen complexity index does not appear to be a significant predictor of hospital readmission or mortality in this population.