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Clinical Trial Summary

This is a real-life pragmatic non-randomised study to explore the impact of mepolizumab on the emotional and affective outcomes of patients with severe eosinophilic asthma and their partners. It will be conducted in two quantitative stages (Phases 1 and 2) with an additional third qualitative component (Phase 3).

Clinical Trial Description

This longitudinal observational study will investigate the relationship between patients' asthma control and emotional states and quality of life in patients and their partners where patients have severe eosinophilic asthma. The study will consist of three phases. Phase 1 In order to extend our pilot study findings and help inform the second stage, investigators will gather Geneva Emotional Wheel (GEW) data from 30 patients currently treated and benefitting from mepolizumab (Nucala®). This data will be compared to the GEW data investigators have already gathered from patients with severe asthma not receiving treatment with mepolizumab (Nucala®). This will provide timely data to support a publication on the GEW findings in severe asthma and allow the description of the impact of mepolizumab (Nucala®). In addition, it will help provide power calculations for a prospective study. Parallel assessment of quality of life (SGRQ and SAQ) and anxiety and depression (HADS) will be made to evaluate the relationship between GEW, SGRQ, SAQ and HADS scores. Phase 2 In the second stage, investigators will conduct a prospective study of 45 patients newly prescribed mepolizumab (Nucala®) and their partners measuring participants' emotional composition before and 6 and 12 months after starting treatment. The choice of 60 has been based on likely power requirements but was adjusted to 45 based in Phase 1 results. Investigators will also compare the outcomes from the GEW with other standard outcome measures (HADS, ACQ, SGRQ, SAQ, BIPQ), to establish relationship between changes in these measures and changes in GEW scores, to evaluate the utility of the GEW. This will help determine if the GEW reflects changes in asthma control or whether it is reflecting improvements that the current established instruments do not recognise and allow us to quantify the magnitude of that effect. As these patients will receive mepolizumab as part of their clinical care for a year, whilst assessment of clinical efficacy is being established, investigators will gather data on oral steroid dependent exacerbations (severe exacerbations) during this year and relate to their historic exacerbation history in the year before. Evaluation will be made as to whether the 6-month improvement in GEW scores predicts impact of mepolizumab on exacerbation reduction over the first year of administration. In addition, improvements in the GEW will be explored in relationship to systemic inflammatory impact, with measures of blood eosinophils and serum inflammatory biomarkers (Olink inflammatory panel) at baseline, 6 months and 1 year. Phase 3 Finally, in addition, investigators will conduct qualitative research in the form of semi-structured interviews with a sub-set of couples (20 couples or less if no new information emerges from the interviews) to gain a more detailed insight and identify common key aspects in their subjective experiences, quality of life and emotional processes before starting treatment and after being on treatment with mepolizumab for 6 months. ;

Study Design

Related Conditions & MeSH terms

  • Adjustment
  • Adjustment, Emotional
  • Anxiety
  • Asthma
  • Coping Behavior
  • Depression
  • Emotional Disorder
  • Emotional Distress
  • Emotional Dysfunction
  • Emotions
  • Mental Disorders
  • Psychological
  • Psychological Adjustment
  • Psychological Disorder
  • Psychological Distress
  • Psychological Stress
  • Psychosocial Problem
  • Psychosocial Stressor
  • Pulmonary Eosinophilia
  • Severe Eosinophilic Asthma
  • Stress, Psychological

NCT number NCT04680611
Study type Observational
Source University Hospital Southampton NHS Foundation Trust
Status Recruiting
Start date September 9, 2021
Completion date December 31, 2024

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