Inappropriate medication use and polypharmacy in end-stage cancer patients: Isn't it the family doctor's role to de-prescribe much earlier?

Appropriate medication use in Dutch terminal care: study protocol of a multicentre stepped-wedge cluster randomized controlled trial (the AMUSE study)

BACKGROUND

Polypharmacy is common among patients with a limited life expectancy, even shortly before death. This is partly inevitable, because these patients often have multiple symptoms which need to be alleviated. However, the use of potentially inappropriate medications (PIMs) in these patients is also common. Although patients and relatives are often willing to deprescribe medication, physicians are sometimes reluctant due to the lack of evidence on appropriate medication management for patients in the last phase of life. The aim of the AMUSE study is to investigate whether the use of CDSS-OPTIMED, a software program that gives weekly personalized medication recommendations to attending physicians of patients with a limited life expectancy, improves patients' quality of life.

METHODS

A multicentre stepped-wedge cluster randomized controlled trial will be conducted among patients with a life expectancy of three months or less. The stepped-wedge cluster design, where the clusters are the different study sites, involves sequential crossover of clusters from control to intervention until all clusters are exposed. In total, seven sites (4 hospitals, 2 general practices and 1 hospice from the Netherlands) will participate in this study. During the control period, patients will receive 'care as usual'. During the intervention period, CDSS-OPTIMED will be activated. CDSS-OPTIMED is a validated software program that analyses the use of medication based on a specific set of clinical rules for patients with a limited life expectancy. The software program will provide the attending physicians with weekly personalized medication recommendations. The primary outcome of this study is patients' quality of life two weeks after baseline assessment as measured by the EORTC QLQ-C15-PAL questionnaire, quality of life question.

DISCUSSION

This will be the first study investigating the effect of weekly personalized medication recommendations to attending physicians on the quality of life of patients with a limited life expectancy. We hypothesize that the CDSS-OPTIMED intervention could lead to improved quality of life in patients with a life expectancy of three months or less.

TRIAL REGISTRATION

This trial is registered at ClinicalTrials.gov (NCT05351281, Registration Date: April 11, 2022).

Deprescribing in palliative patients with cancer: a concise review of tools and guidelines

Purpose

Palliative cancer patients can benefit from deprescribing of potentially inappropriate medications (PIMs). Tools and guidelines developed for the geriatric population are mainly available. This systematic review gives an overview of available guidelines and tools to deprescribe for palliative cancer patients.

Methods

A systematic search was carried out using the databases SCOPUS and PubMed. Studies focused on palliative cancer patients were included.

Results

The search identified 137 studies of which 15 studies were included in this systematic review. Six of the included tools were developed specifically for cancer patients. One of these tools was externally validated and applied in several studies and settings. Guidelines or tools that were not specifically developed for cancer patients but that were applied on cohorts of palliative cancer patients were also included.

Conclusion

Tools developed for geriatric patients contain drugs that are not inappropriate when used in the palliative cancer care setting. Tools developed for cancer patients are more suitable and can be applied in combination with stepwise methods to individualize deprescribing per patient. The tools and guidelines described in this systematic review can be used to further implement deprescribing in the clinical routine for palliative cancer patients.

Prescribing practices, patterns, and potential harms in patients receiving palliative care: A systematic scoping review

Background

Patients receiving palliative care often have existing comorbidities necessitating the prescribing of multiple medications. To maximize quality of life in this patient cohort, it is important to tailor prescribing of medication for preventing and treating existing illnesses and those for controlling symptoms, such as pain, according to individual specific needs.

Objective(s)

To provide an overview of peer-reviewed observational research on prescribing practices, patterns, and potential harms in patients receiving palliative care.

Methods

A systematic scoping review was conducted using four electronic databases (PubMed, EMBASE, CINAHL, Web of Science). Each database was searched from inception to May 2020. Search terms included ‘palliative care,’ ‘end of life,’ and ‘prescribing.’ Eligible studies had to examine prescribing for adults (≥18 years) receiving palliative care in any setting as a study aim or outcome. Studies focusing on single medication types (e.g., opioids), medication classes (e.g., chemotherapy), or clinical indications (e.g., pain) were excluded. The review followed the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines for scoping reviews, and the findings were described using narrative synthesis.

Results

Following deduplication, 16,565 unique citations were reviewed, and 56 studies met inclusion criteria. The average number of prescribed medications per patient ranged from 3 to 23. Typically, prescribing changes involved decreases in preventative medications and increases in symptom-specific medications closer to the time of death. Twenty-one studies assessed the appropriateness of prescribing using various tools. The prevalence of patients with ≥1 potentially inappropriate prescription ranged from 15 to 92%. Three studies reported on adverse drug events.

Conclusions

This scoping review provides a broad overview of existing research and shows that many patients receiving palliative care receive multiple medications closer to the time of death. Future research should focus in greater detail on prescribing appropriateness using tools specifically developed to guide prescribing in palliative care and the potential for harm.

Use of potentially inappropriate medication in older patients with lung cancer at the end of life

OBJECTIVES

Medications at the end of life should be used for symptom control. Medications which potential adverse effects outweigh their expected benefits are called 'potentially inappropriate medications' (PIMs). PIMs are related with adverse drug events and reduced quality of life. In this study, we investigated to what extent PIMs are dispensed to older patients with lung cancer in the last month of life.

METHODS

We selected patients with lung cancer, aged 65+, diagnosed between 2009 and 2014, and who died before April 1st 2015 from the population-based Netherlands Cancer Registry (NCR). The NCR is linked to the PHARMO Database Network, that includes medications dispensed by community pharmacies in the Netherlands. The eight PIM groups were based on the OncPal Deprescribing Guideline: aspirin, dyslipidaemia medications, antihypertensives, osteoporosis medications, peptic ulcer prophylaxis, oral hypoglycaemics, vitamins and minerals.

RESULTS

Data of 7864 patients with lung cancer were analyzed. Median age was 74 year (IQR = 70-79) and 67% was male. 45% of all patients received at least one PIM in their last month of life. Taking into account all dispensed medications, patients receiving PIMs received more different medications compared to those receiving no PIMs, respectively 10 (SD = 5) vs. 3 (SD = 4) different medications (P < 0.001).

CONCLUSION

Almost half of the older patients with lung cancer in the Netherlands received PIMs in their last month of life. Since PIM use is associated with reduced quality of life, it is important that health care professionals continue to critically assess which medication can be discontinued at the end of life.

Managing Polypharmacy in Older Adults with Cancer Across Different Healthcare Settings

The care of older patients with cancer is becoming increasingly complex. Common challenges for this population include management of comorbidities, safe transitions of care, and appropriate medication use. In particular, polypharmacy-generally defined as the regular use of five or more medications-and inappropriate medication use can lead to adverse effects and poor outcomes in older adults with cancer, including falls, hospital readmissions, cognitive impairment, poor adherence to essential medications, chemotherapy toxicity, and increased mortality. Managing polypharmacy across different cancer care settings is often challenging. Providers face barriers to safe and successful medication management that may include lack of time, absence of reimbursement, underappreciation of the scale of polypharmacy-related harm, lack of ownership of deprescribing efforts, and poor communication across care settings. Existing literature on managing inappropriate medication use and polypharmacy in older adults with cancer has often focused on ideal state settings in which resources are plentiful and time is purposefully allocated for medication interventions. This paper presents a narrative, rather than a systematic review, of studies published in the past decade that provided detailed information on medication management and polypharmacy across cancer care settings. This review aims to also summarize different healthcare provider roles in taking action against inappropriate medication use and polypharmacy in older adults with cancer.

Polypharmacy, chemotherapy receipt, and medication-related out-of-pocket costs at end of life among commercially insured adults with advanced cancer

BACKGROUND

Polypharmacy raises the risk of drug-drug interactions and adverse events among patients with cancer. Most polypharmacy research has focused on adults age 65 or older enrolled in Medicare insurance. To better inform pharmacy practice and cancer care delivery, data are needed on polypharmacy among commercially insured patients with cancer and those younger than 65.

METHODS

We performed a retrospective analysis of insurance enrollment and claims files linked to the Puget Sound Cancer Surveillance System for adults age 18 and older who were commercially insured, diagnosed with stage IV cancer, survived 30+ days after diagnosis, and did not enroll in hospice. We describe the prevalence of polypharmacy, chemotherapy use, and medication-related out-of-pocket (OOP) costs in the last month of life.

RESULTS

Of 606 patients, 390 (64%) experienced polypharmacy (i.e. 5+ medications) in the last 30 days of life. Almost half (n = 297, 49%) received chemotherapy or targeted agents; chemotherapy was associated with significantly higher odds of polypharmacy (odds ratio (OR) 2.93, 95% confidence interval (CI) 2.04-4.20). The most commonly prescribed medications at end of life were opioids, benzodiazepines and anti-emetics. Among 484 patients (80%) incurring medication-related costs in the last month of life, median total OOP cost was $82 (interquartile range $30-$200). Seven patients (1%) had total costs above $5,000. The median chemotherapy-related OOP cost was $446 (IQR $150-$1896); 32 patients (7%) had chemotherapy-related OOP costs between $1,000 and $5,000.

CONCLUSION

Most patients with advanced cancer experienced polypharmacy at end of life, although most medications observed herein are commonly used for supportive care. Patients receiving chemotherapy had higher medication-related OOP costs, and chemotherapy was significantly associated with polypharmacy at end of life. Evaluation of polypharmacy at end of life may represent an important opportunity to improve quality of life and reduce costs for patients and families.

Teaching physicians the GPGP method promotes deprescribing in both inpatient and outpatient settings

Background

In complex older patients, inappropriate medication use and polypharmacy (IMUP) are commonplace and increasing exponentially. Reducing IMUP is a challenge in multiple clinical contexts, including acute admission and family practice, due to several key barriers. In the global effort against this epidemic, educational programs geared toward changing physicians’ prescribing patterns represent an important means of promoting deprescribing.

Methods

This is a nonrandomized, controlled interventional study investigating polypharmacy outcomes and prescribing patterns in patients whose physicians were trained in the Good Palliative-Geriatric Practice (GPGP) method, an algorithm for the reduction of polypharmacy, with patients whose physicians were not. Training involved a one-time, full-day workshop led by a senior geriatrician. Two separate settings were examined. In the inpatient setting, one internal medicine ward was trained and compared with another ward which was not trained. In the family practice setting, 28 physicians were trained and compared with practices of 15 physicians not trained. Patients were above the age of 70, representative of the general geriatric population, and not terminally ill.

Results

In the inpatient arm, the intervention group (n = 100) experienced a decrease in medications prescribed from admission to discharge of 18.5%, compared with a decrease of 1.9% in the control group (n = 100, difference between groups p < 0.0001). In the outpatient arm, the intervention group (n = 100) experienced a decrease in medication number of 6.1% compared with 0.07% in the control group (n = 100, difference between groups p = 0.001) over a 6-month period. Preferential decreases in specific drug classes were observed in both groups, including benzodiazepines, psychotropics, and antihypertensives.

Conclusions

A one-time educational intervention based on GPGP can change prescribing patterns in both outpatient and inpatient settings leading to a moderate reduction in polypharmacy. Future work should focus on longitudinal interventions, and longer-term clinical outcomes such as morbidity, mortality, and quality of life.

Effect of continuation of antiplatelet therapy on survival in patients receiving physician home visits

Background

Little is known about the effects of continued antiplatelet therapy in patients who receive physician home visits. This study aimed to evaluate the association of survival with the continuation of antiplatelet drugs in patients who received physician home visits.

Methods

A retrospective cohort study was conducted in a teaching hospital in Toyota, Japan, from April 2015 to October 2018. All patients who received home visits by physicians from the department of Family Medicine of the hospital were included. The primary outcome was the difference in all-cause mortality between patients who were taking antiplatelet drugs and those who were not. The Cox proportional hazards model was applied, adjusted for the patient’s demographic features, activities of daily living, comorbidities, and primary disease requiring home care.

Results

A total of 815 patients were included, of whom 61 received antiplatelet drugs (n = 42 for aspirin, n = 17 for clopidogrel, and n = 8 for cilostazol) and 772 received no antiplatelet drugs. The mean age of the patients was 78.3 years, 409 (49.1%) were male, and 314 (37.7%) had end-stage cancer. During a median follow-up period of 120 days (interquartile range, 29–364), 54.3% of the patients died. Compared with patients not taking antiplatelet drugs, patients taking antiplatelet drugs had a better outcome (p <  0.01, log-rank test) and a significantly lower hazard ratio (0.34; 95% confidence interval, 0.17–0.65; Cox proportional hazards regression).

Conclusions

The continuous prescription of antiplatelet drugs may have beneficial effects on mortality among patients who receive physician home visits.

Deprescribing in palliative care

The use of multiple medications is common in palliative care, putting patients at risk of adverse events and a high tablet burden. Deprescribing is the process of reviewing and stopping potentially inappropriate medications in order to improve quality of life. Barriers to deprescribing exist meaning many patients will take multiple medications despite being in the final months of life. The OncPal deprescribing guideline is a useful tool to support the process for patients with a limited life expectancy. There is evidence for the safety of stopping certain medications, particularly those aimed at primary prevention. A systematic process of reviewing individual medications and their appropriateness is recommended.

Nurses' Perspectives on Family Caregiver Medication Management Support and Deprescribing

Nurses who care for patients with life-limiting illness operate at the interface of family caregivers (FCGs), patients, and prescribers and are uniquely positioned to guide late-life medication management, including challenging discussions about deprescribing. The study objective was to describe nurses' perspectives about their role in hospice FCG medication management. Content analysis was used to analyze qualitative interviews with nurses from a parent study exploring views on medication management and deprescribing for advanced cancer patients. Ten home and inpatient hospice nurses, drawn from 3 hospice agencies and their referring hospital systems in New England, were asked to describe current practices of medication management and deprescribing and to evaluate a pilot tool to standardize hospice medication review. Analysis of the 10 interviews revealed that hospice nurses are receptive to a standardized approach for comprehensive medication review upon hospice transition and responded favorably to opportunities to discuss medication discontinuation with FCGs and prescribers. Effective framing for discussions included focus on reducing harmful and nonessential medications and reducing caregiver burden. Results indicate that nurses who care for hospice-eligible and enrolled patients are willing to discuss deprescribing with FCGs and prescribers when conversations are framed around medication harms and their impact on quality of life.

Design and analysis of longitudinal trials of antimicrobial use at the end of life: to give or not to give?

This perspective review considers analytic features of the design of a longitudinal trial regarding antimicrobial therapy in older terminal cancer patients receiving palliative care. We first overview antimicrobial use at the end of life; both the potential hazards and benefits. Antimicrobial prescribing should consider both initiation as well as cessation of medications when analyzing the burden of medications. Approaches to decision making regarding antimicrobial use are presented and the importance of health literacy in these decision processes. We next present aspects of both feasibility and comparative trial design with a health literacy intervention to reduce antimicrobial use in older terminal cancer patients receiving palliative care. Considerations to clustered randomization and given that infections can reoccur over a trial period, we share suggestions of longitudinal modeling of clustered randomized trial data.