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Background The objective of this qualitative study was to better understand the impact of psoriasis symptoms using a 3-part process: 1) develop a disease model for psoriasis to identify the most important concepts relevant to psoriasis patients; 2) conduct interviews with dermatologists to identify key areas of clinical concern; and 3) explore psoriasis patients' perceptions of the impact of psoriasis. Methods A disease model was developed from a review of the published literature and later revised based on the findings of clinician interviews and patient focus groups. To confirm the clinical relevance of the concepts identified in the disease model, 5 dermatologists were selected and interviewed one-on-one. They were asked to rate major psoriasis symptoms according to importance and bothersomeness level to patients on separate scales of 1 to 10. Results of clinician interviews were used to develop interview guides for patient focus groups. To identify important domains of psoriasis, 39 patients participated in 5 separate concept elicitation focus groups. Four focus groups included patients with severe psoriasis (n = 31) and one included patients with mild psoriasis (n = 8). Patients were asked to describe their current psoriasis symptoms and to rate them on a scale of 1 to 10, according to importance, severity, and troublesomeness. An average mean rating was calculated for each symptom throughout all focus groups. Results Clinicians most frequently mentioned itch (n = 5), psoriatic arthritis or \"joint pains\" (n = 4), flaking (n = 4), and pain (n = 3) as primary physical symptoms of psoriasis. Three clinicians gave a rating of 10 for the importance of itch; two clinicians gave ratings of 8 and 7 for importance. The majority of patients rated itch as the most important (31/39), most severe (31/39), and most troublesome (24/39) symptom and noted that itch negatively impacted daily activities (eg, concentration, sleep, ability to attend work or school), as well as emotions (eg, anxiety and embarrassment). Conclusion These analyses suggest that itch is one of the most important symptoms of psoriasis, contributing to diminished health-related quality of life (HRQoL) in patients with both mild and severe disease.

Background: Migraine headaches have been shown to have substantial personal and societal implications. Health-related quality of life (HRQOL) assessments of migraineurs have been used to monitor and evaluate patient- and population-based outcomes, and to evaluate effectiveness and responsiveness to treatment. In this paper, we test a new, even shorter generic health survey, the SF-8™ Health Survey (SF-8™), an alternate form that uses one question to measure each of the eight SF-36® Health Survey (SF-36®) domains, in a sub-sample of migraine sufferers. Methods: Data from 7557 participants surveyed via the Internet and mail were used to document the burden of migraine on HRQOL and to compare the relative burden of migraine with other chronic conditions using the SF-8. Results: Migraineurs' HRQOL is similar to those with congestive heart failure, hypertension and diabetes, and is better than those with depression. Migraine sufferers experience better physical health and worse mental health (MH) than those with osteoarthritis. Results support prior research indicating that the burden of migraine on functional health and well-being is considerable and comparable to other chronic conditions known to have substantial impact on HRQOL. Conclusions: The SF-8 may provide a more practical and efficient method to describe the burden of migraine in population studies.

Patients with ulcerative colitis, a type of inflammatory bowel disease, report negative impacts of disease symptoms on work-related outcomes, including absenteeism and presenteeism. As a way to better understand the impact of this disease and its treatment on work-related outcomes, the current review examines the use of the Work Productivity and Activity Impairment Questionnaire (WPAI), a patient-reported outcomes measure of absenteeism, presenteeism, and impairment in other activities, in studies of patients with ulcerative colitis. This review assesses the measurement properties of the WPAI in this patient population: its reliability, construct validity, ability to detect change, and responsiveness to effective treatments. Relevant data were extracted from 13 sources (journal articles and conference posters) identified following a systematic review of the published and gray literature. The evidence supports the WPAI as having test-retest reliability (reproducibility) over time; convergent validity, as indicated by moderate correlations with measures of quality of life and moderate-to-strong correlations with measures of disease activity; known-groups validity, as indicated by differences in WPAI scores between patients with active and inactive disease; ability (sensitivity) to detect change, as indicated by substantial improvement in scores for patients who achieve remission, accompanied by substantial worsening of scores for patients who relapse; and, responsiveness to treatment, with improvements in scores following treatments that reduce disease activity. Limitations included a lack of available evidence from randomized-controlled trials that could speak more directly to the WPAI’s responsiveness to treatment. In conclusion, we recommend the use of the WPAI for measuring work outcomes in both observational studies and interventional trials that include patients with ulcerative colitis.

Light chain (AL) amyloidosis, a rare and life-threatening protein misfolding disorder, causes organ damage and severely impacts health-related quality of life (HRQoL). No patient-reported outcome (PRO) HRQoL measure has been validated for use in an AL amyloidosis patient population, leaving a gap for researchers conducting observational studies and clinical trials for drug development. The SF-36 Health Survey (SF-36) has been the most frequently used PRO in AL amyloidosis studies to date, and early qualitative validation studies support its use in this population. The aim of this study was to assess the psychometric properties of the SF-36 among patients with AL amyloidosis. Data from community-based (n=341) and clinic-based (n=1,438) observational studies were used to document the psychometric properties of the SF-36 in this disease population. Reliability was estimated using internal consistency (Cronbach's alpha) and test-retest reliability (intraclass correlation). Convergent validity, known-groups validity, and the ability to detect change were assessed with available criterion variables. Scale reliability (Cronbach's alpha ≥0.780 for all scores) and test-retest reliability (intraclass correlation coefficients ≥0.731 for all) were acceptable. Scale convergent validity was supported by strong correlations with conceptually related measures. Mean SF-36 scores varied by response to treatment ( <0.05 for all scores) and a self-reported measure of disease severity ( <0.001 for all scores). Data indicate that the SF-36 is sensitive to changes in other measures over time. This study provided clear and consistent evidence of the psychometric properties of the SF-36 in both community-based and clinic-based samples of patients with AL amyloidosis.

Background Light chain (AL) amyloidosis is a rare, complex disease associated with significant morbidity and mortality. Delays in diagnosis are common and may have detrimental consequences on patients’ prognosis. Too little is known regarding the patient journey to diagnosis. Objective The objective of this study was to describe the patient-reported journey to a correct diagnosis for AL amyloidosis. Methods Using a mixed-methods approach, data were collected from clinician ( n  = 4) and patient ( n  = 10) interviews and a survey of community-based patients with AL amyloidosis ( n  = 341). Data were used to document the patient experience between the onset of symptoms and the receipt of a diagnosis. Results Delays in diagnosis were common. Qualitative and quantitative data indicated that initial symptoms were varied and similar to other more prevalent diseases. Two themes regarding the journey to diagnosis emerged: (1) barriers to an early diagnosis; and (2) the emotional toll of the journey. Time to diagnosis was heavily influenced by how patients interpreted their initial symptoms, whether they sought early medical help, and challenges associated with making differential diagnoses. Survey results indicate that patients with primary cardiac involvement were more likely to receive a delayed diagnosis than those with primary kidney involvement. Patients described mixed emotions associated with the eventual diagnosis of AL amyloidosis. Conclusions These data support a need for better early identification and support for patients seeking a diagnosis. Increasing clinician awareness may reduce the time to diagnosis. Additional research is needed to identify optimal diagnostic testing to reduce delays in treatment initiation and subsequent severe impacts on health.

Background Cystic fibrosis (CF) is an inherited, rare autosomal recessive disease that results in chronically debilitating morbidities and high premature mortality. We evaluated how ivacaftor treatment affected CF symptoms, functioning, and well-being, as measured by the Cystic Fibrosis Questionnaire-Revised (CFQ-R), a widely-used patient-reported outcome (PRO) measure. Methods STRIVE, a double-blind, placebo-controlled randomized trial, evaluated ivacaftor (150 mg) in CF patients aged 12+ with the G551D-CFTR mutation for 48 weeks. Treatment effect analysis used a mixed-effects repeated measures model. Treatment benefit analyses applied the cumulative distribution function and a categorical analysis of change scores (“improvement,” “no change,” or “decline”). Content-based interpretation examined treatment effect on specific item responses. Results Data from 152 patients with a baseline CFQ-R assessment were analyzed. The treatment effect analysis favored treatment with ivacaftor over placebo on the Body Image, Eating, Health Perceptions, Physical Functioning, Respiratory, Social Functioning, Treatment Burden, and Vitality scales. Findings were supported by the analysis of categorical change. On all CFQ-R scales, the percentage of patients who improved was greater for ivacaftor. In the content-based analysis, the treatment benefit was characterized by better scores across a broad range of domains. Conclusions Results illustrate broad benefits of ivacaftor treatment across many domains: respiratory symptoms, physical and social functioning, health perceptions, and vitality, as measured by the CFQ-R. The breadth of improvements reflects the systemic mechanism of action of ivacaftor compared to other therapies. Findings support the patient-reported value of ivacaftor treatment in this patient population. Trial Registration ClinicalTrials.gov NCT00909532

BackgroundMetastatic melanoma is a highly aggressive cancer, often striking in the prime of life. This study provides new information directly from advanced melanoma (stage III and IV) patients on how their disease impacts their health-related quality of life (HRQL).MethodsTwenty-nine in-depth, qualitative interviews were conducted with adult patients with advanced melanoma in Canada. A semi-structured interview guide was used. Interviews were transcribed verbatim and key concepts were identified using a grounded theory analytic approach.ResultsMany patients’ journeys began with the startling diagnosis of an invasive disease and a vastly shortened life expectancy. By the time they reached an advanced stage of melanoma, these patients’ overall functioning and quality of life had been greatly diminished by this quickly progressing cancer. The impact was described in terms of physical pain and disability, emotional distress, diminished interactions with friends and family, and burden on caregivers.ConclusionOur findings provide evidence of signs, symptoms, and functional impacts of advanced melanoma. Signs and symptoms reported (physical, mental, and social) confirm and expand on those reported in the existing clinical literature. Primary care physicians should be better trained to identify melanomas early. Oncology care teams can improve on their current approaches for helping patients navigate treatment options, with information about ancillary services to mitigate disease impacts on HRQL, such as mental health and social supports, as well as employment or financial support services.

BackgroundLittle is known on the impact of emerging treatments for advanced melanoma (stages III and IV) on patients’ functioning and well-being. The objective of this study was to describe the patient-reported treatment-related symptom (TRS) burden in advanced melanoma.MethodTwenty-nine in-depth, qualitative interviews were conducted among adult patients with advanced melanoma in Canada using a semi-structured interview method. Interviews were transcribed verbatim, and key concepts were identified using a grounded theory analytic approach.ResultsThe 29 patients reported 13 unique treatment journeys involving the following drug therapy categories: cytotoxic chemotherapies, CTLA-4 inhibitors, BRAF or MEK inhibitors, and PD-1 inhibitors. Patients typically underwent multiple treatment episodes over time. Common TRSs included nausea, fatigue, diarrhea or constipation, and skin rashes. Patients described these as impacting their physical functioning, ability to perform activities of daily living, social functioning, and overall quality of life.ConclusionOur findings provide a description of the patient’s experience with treatment for advanced melanoma. Our sample included patients typically diagnosed in mid-life, facing an urgent sequence of medical procedures and a pharmacological treatment journey that was burdensome. There is a need for less toxic and more efficacious treatments earlier in the patient journey to alleviate the impact of advanced melanoma treatment on patients’ health-related quality of life.

Introduction Light-chain (AL) amyloidosis is a rare, progressive, and typically fatal disease. Health-related quality of life (HRQoL) has been shown to be a significant prognostic factor associated with clinical outcomes such as survival and response to treatment. A better understanding of how patterns of HRQoL may be prospectively associated with costly healthcare resource utilization, such as emergency department (ED) visits and inpatient hospitalizations, is warranted. Methods A secondary data analysis of a non-interventional, longitudinal online study of patients with AL amyloidosis ( n  = 224) was conducted. Negative binomial regression models were used to examine whether initial HRQoL scores (as measured by the SF-36v2 ® Health Survey [SF-36v2], where higher scores reflect better HRQoL) and changes in HRQoL were associated with the number of ED visits and inpatient hospitalizations during a 12-month period. Incidence rate ratios were interpreted by 5-point decrements in initial HRQoL scores and minimally important changes in HRQoL change scores. Results There were significant inverse associations between initial SF-36v2 scores and subsequent rates of ED visits and inpatient hospitalizations across all domains and summary components ( p  < 0.05 for all). In contrast, changes in physical, but not mental, functioning were associated with rates of ED visits and inpatient hospitalizations during a 12-month period of observation. Conclusion Scores from patient-reported HRQoL surveys may be helpful in identifying patients at risk of future ED visits and hospital admissions, and may serve as a proxy for disease severity. Such information can provide stakeholders with insight into the humanistic and societal cost associated with AL amyloidosis.

Purpose Chronic Hepatitis C (CHC) Virus infection is a serious health issue in the US. Standard treatment involves peginterferon alpha and ribavirin, often associated with adverse side effects including flu-like symptoms. These adverse effects are common reasons for the discontinuation of treatment and therefore represent a major obstacle in the effective treatment of CHC. Methods The Hepatitis Physical Symptom Severity Diary, a newly developed patient-reported outcome measure for assessing physical symptoms in CHC patients, was recently developed. It contains four questions addressing flu-like symptoms [the Flu-Like Symptom Index (FLSI)]. Measurement properties of the FLSI in CHC patients were assessed using data from two randomized clinical trials. Results Exploratory factor analysis using data from baseline and the last visit while on treatment supported a single-factor solution for the FLSI. Internal reliability and test–retest reliability are acceptable (Cronbach's alpha range 0.73–0.81; intraclass correlation coefficient range 0.85–0.97), and correspondence to several similar constructs was acceptable. The FLSI score was higher among those with investigator-reported flu-like symptoms (mean = 4.1) versus those without (1.4), although not statistically significant (p = 0.12). Responsiveness of the FLSI was moderate, as measured by standardized effect sizes and response means, and the minimum important difference (MID) was estimated at 2.5–3.0 points. Conclusions While additional research should be conducted to evaluate validity with more closely related constructs and to utilize anchor-based methods for estimating the MID, data suggest that the FLSI has acceptable measurement properties and can be an effective tool in assessing flu-like symptoms in CHC patients.