PurposeTo explore the published evidence on the link between treatment satisfaction and patients’ compliance, adherence, and/or persistence.MethodsArticles published from January 2005 to November 2010 assessing compliance, adherence, or persistence and treatment satisfaction were identified through literature searches in Medline, Embase, and PsycInfo. Abstracts were reviewed by two independent researchers who selected articles for inclusion. The main attributes of each study examining the link between satisfaction and adherence, compliance, or persistence were summarized.ResultsThe database searches yielded 1278 references. Of the 281 abstracts that met the inclusion criteria, 20 articles were retained. In the articles, adherence and compliance were often used interchangeably and various methods were used to measure these concepts. All showed a positive association between treatment satisfaction and adherence, compliance, or persistence. Sixteen studies demonstrated a statistically significant link between satisfaction and compliance or persistence. Of these, ten demonstrated a significant link between satisfaction and compliance, two showed a significant link between satisfaction and persistence, and eight demonstrated a link between either a related aspect or a component of satisfaction (eg, treatment convenience) or adherence (eg, intention to persist). An equal number of studies aimed at explaining compliance or persistence according to treatment satisfaction (n = 8) and treatment satisfaction explained by compliance or persistence (n = 8). Four studies only reported correlation coefficients, with no hypothesis about the direction of the link. The methods used to evaluate the link were varied: two studies reported the link using descriptive statistics, such as percentages, and 18 used statistical tests, such as Spearman’s correlation or logistic regressions.ConclusionThis review identified few studies that evaluate the statistical association between satisfaction and adherence, compliance, or persistence. The available data suggested that greater treatment satisfaction was associated with better compliance and improved persistence, and with lower regimen complexity or treatment burden.
BackgroundNo validated disease-specific questionnaires exist to capture health-related quality of life (HRQoL) in patients with Merkel cell carcinoma (MCC). The Functional Assessment of Cancer Therapy – Melanoma (FACT-M) is validated in patients with melanoma, which shares many similarities with MCC. This paper reports the psychometric properties of the FACT-M in the metastatic MCC population.MethodsData were collected as part of a single-arm, open-label, multicenter trial involving patients with metastatic MCC who had failed at least one previous line of chemotherapy. FACT-M and EQ-5D were administered at baseline, Week 7, Week 13, and Week 25. An optional interview was administered at the same time points. MCC-specific FACT-M scores were derived following a combined quantitative and qualitative approach. Reliability and construct validity of original and additional MCC-specific FACT-M scores were assessed at baseline. Capacity to detect change in tumor size was assessed from baseline to Week 7. Minimally important differences (MIDs) were computed using distribution and anchor-based methods.ResultsBaseline assessments were available in 70 patients (mean age: 70 years; 74.3% male); 19 patients were interviewed at baseline. Additional MCC-specific scores were as follows: Physical Function score (six items), Psychological Impact score (six items), and MCC summary score (12 items). FACT-M original and additional MCC-specific scores both demonstrated acceptable psychometric properties: high reliability (Cronbach’s alpha: 0.81–0.96), good convergent validity (correlations above 0.4 observed for 88% of items of the Melanoma surgery scale, 75% of items of the Melanoma scale, and 100% of items of the other FACT-M domains). Some evidence of floor/ceiling effects and poor discriminant ability was found. Higher scores (better HRQoL) on all FACT-M domains were observed in patients with better functioning (assessed by ECOG performance score), supporting clinical validity. Despite the small sample for responsiveness analysis (n = 37), the majority of FACT-M scores showed sensitivity to changes in tumor size at Week 7 with small to moderate effect sizes. MIDs were consistent with previously reported values in the literature for FACT-M domains.ConclusionsFACT-M is suitable to capture HRQoL in patients with metastatic MCC, thus making it a potential candidate for assessing HRQoL in MCC trials.Trial registrationThis study is a post-hoc analysis conducted on data collected in Part A of the JAVELIN Merkel 200 trial. This trial was registered on 2 June 2014 with ClinicalTrials.gov as NCT02155647.
Background: It is well established that the different antipsychotics used for schizophrenia symptoms differ substantially in their side effects. However, relatively little is known about the impact of these side effects on functioning from the patient's perspective. We aimed to understand how key side effects of second-generation antipsychotics impact the functioning and quality of life (QoL) of patients with schizophrenia. Methods: This is a cross-sectional, web-based survey of patient-reported side effect burden of antipsychotic drugs in adults with schizophrenia. The survey was deployed in the United States, Canada, Australia, Spain, Italy, Norway, and Denmark. It included sociodemographic and clinical questions, the Quality of Life Enjoyment and Satisfaction Questionnaire Short Form (Q-LES-Q-SF), and the Glasgow Antipsychotic Side-Effect Scale (GASS). Eight pre-defined key side effects classified as activating ("Shaky hands or arms, " "Restlessness, " and "Difficulty sleeping"), sedating ("Sleepy during the day", "Feeling drugged or like a zombie, " and "Feeling dizzy/Fainted") or other side effects ("Problems enjoying sex" and "Gaining weight"), and additional questions related to impacts on function and quality of life were asked. Results: In total, 435 participants (mean age: 38 years, 53.8% female) were included. The total Q-LES-Q-SF score indicated overall medium satisfaction with their quality of life (score of 44.3; possible range 14-70). The most prevalent side effects were "Sleepy during the day" (83.2%), "Difficulty sleeping" (74.7%), "Dry mouth" (63.9%), "Problems enjoying sex" (53.4%) and "Gaining weight" (52.4%). Women reported the side effects of "Sleepy during the day", "Problems enjoying sex" and "Gaining weight" more frequently than men. Key side effects impacted physical, social, occupational and psychological aspects of functioning. Patients with key side effects often felt frustrated by their experiences. Total Q-LES-Q-SF score showed a significant inverse correlation with the score of pre-defined groups of side effects indicating worse QoL in association with more severe key side effects in these patients. Conclusion: Stable patients with schizophrenia taking second-generation antipsychotics live with many side effects, including activating and sedating side effects, sexual side effects, and weight gain. Presence of these side effects is associated with substantial impacts across all aspects of daily functioning and lower quality of life and satisfaction.
BackgroundMerkel cell carcinoma (MCC) is a rare and aggressive skin cancer with limited treatment options at advanced stages. There is a paucity of data available regarding the impact of MCC and its management on patients’ lives. This study aimed to address this gap by interviewing patients with metastatic MCC entering a trial of an immunotherapy (avelumab).MethodsIn a single-arm, open-label, international, phase 2 trial in patients with stage IV, chemotherapy-refractory, histologically confirmed MCC, patients were invited to participate in semi-structured phone interviews. These were conducted before avelumab administration. Interview transcripts were analysed qualitatively to identify concepts important to patients relating to their experience of metastatic MCC and its management.ResultsNineteen patients were interviewed. Most reported MCC to be painless and asymptomatic. They reported being often misdiagnosed and described a long process before receiving the correct diagnosis. They also reported a feeling of “shock” after being informed of the severity and seriousness of their cancer. Overall, patients did not report impaired physical and cognitive capacities or impact on daily lives, either before or after diagnosis. However, patients and their relatives reported feelings of “worry” and “fear” about the unknown outcome of the disease. Chemotherapy and radiotherapy negatively affected patients physically and psychologically in their everyday lives.ConclusionsMCC disease was not perceived by the interviewed patients to result in severe functional limitations or to severely impact everyday activities, but was associated with substantial negative psychological impact. In contrast, chemotherapy and radiotherapy for MCC are highly debilitating and disrupt patients’ lives.ClinicalTrials.gov identifierNCT02155647.
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