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Psychological interventions for cystic fibrosis patients

Background

Cystic fibrosis has many psycho–social implications for patients and their relatives. These can stem from parental adaptation problems following diagnosis, negative illness perceptions, feeling 'different' and other associated developmental intrusions, mainly in adolescents. Psychological problems result in depression and anxiety that worsen the quality of life and the adherence to treatment.

Cognitive interventions, behavioural strategies (including behavioural contracting, bio-feedback, hypnosis and relaxation), creative/physical therapies (including music and movement therapy) and educational programs are effective for both treatment-related behavioural problems (e.g. poor feeding and airway clearance) and some psychological disorders (e.g. anxiety and depression).

However, outcome depends on patients' motivation to change and willingness to collaborate. Where this is absent, psychotherapies, less directive, but nonetheless effective, are utilised. Family therapy is also considered useful in addressing family dysfunction.

Issues

  • To study efficacy of psychological interventions to provide improvement in psychological well-being in CF patients and their families, measured also as social functioning and adaptation to life with the disease
  • To investigate if psychological intervention is associated with improvement of clinical outcomes, mainly nutrition and respiratory function
  • To compare efficacy of different psychological interventions within major target areas (e.g. screening, diagnosis, transplantation) and towards different CF population targets on the basis of age and severity stage of the disease

What is known

One CDSR protocol (Jones M, 2020) plans to include randomised controlled trials (RCTs) and quasiRCTs. Participants will be adults and children (from aged eight years upwards) with CF. Interventions will include  any intervention aimed at enhancing adherence to physiotherapy versus no intervention, usual care or another intervention aimed at enhancing adherence to physiotherapy.

A CDSR (Irons JY, 2019) included only 1 small RCT (n = 40) undertaken at two paediatric hospitals in Australia. The study evaluated the effects of a singing program on the quality of life and respiratory muscle strength of hospitalised children with cystic fibrosis (mean age 11.6 years, 35% males). This study was limited by a small sample size and a high drop-out rate (21%). There were no significant differences between the groups at either post-intervention or follow up; although by the end of treatment there were some within-group statistically significant increases for both singing and control groups in some of the domains of the quality of life questionnaire Cystic Fibrosis Questionnaire-Revised (e.g. emotional, social and vitality domains). For the respiratory muscle strength indices, maximal expiratory pressure at follow up (six to eight weeks post-intervention) was higher in the singing group, mean difference 25.80 (95% confidence interval 5.94 to 45.66). There was no significant difference between groups for any of the other respiratory function parameters (maximal inspiratory pressure, spirometry) at either post-intervention or follow up. This CDSR conlcuded that there is insufficient evidence to determine the effects of singing on quality of life or on the respiratory parameters in people with cystic fibrosis. However, there is growing interest in non-medical treatments for cystic fibrosis and researchers may wish to investigate the impact of this inexpensive therapy on respiratory function and psychosocial well-being further in the future.

One CDSR (Malone H, 2019) evaluated the interventions for promoting shared decision-making in CF children or adolescents aimed at children or adolescents, their parents or healthcare professionals, or any combinations of these groups, compared with usual care or to alternative SDM promotion strategies for the same group of people. No eligible RCTs were identified for inclusion in this systematic review. this review identified a gap in research; the authors hope that this result improves the awareness amongst researchers of the need to design high‐quality shared decision‐making interventions for young people with CF, perhaps adapted from existing models for adults, and to test these interventions and children's preferences in RCTs. It is also important to target health professionals with evidence‐based education programmes on shared decision‐making and a need for international consensus on addressing the variability in education programmes.

One CDSR and updated in 2016 (Irons JY, 2016) on singing therapy, only 1 study included, concluded that this non-medical treatment needs further investigation.

One CDSR (Goldbeck L, 2014) including 16 studies for a total of 556 CF people, is available. This review showed that there is some evidence that behavioural interventions targeting nutrition and growth in children (4 to 12 years) with cystic fibrosis are effective in the short term. Evidence was found that providing a structured decision-making tool for patients considering lung transplantation improves patients' knowledge of and expectations about the transplant, and reduces decisional conflict in the short term. One study about training in biofeedback-assisted breathing demonstrated some evidence that it improved some lung function measurements. 

One CDSR (Savage E, 2014), evaluated the effects of self-management education interventions on improving health outcomes (pulmonary function, weight, dietary fat intake, etc) for patients with cystic fibrosis and their caregivers. Results suggest that behavioural interventions are able to improve psychological well-being and that the psycho–educational ones are able to improve self-management of the treatment protocol.

One RCT (Montero-Ruiz A, 2020) investigated the effects of music therapy as an adjunct to chest physiotherapy in children (age: 2-17 years) with cystic fibrosis. The authors compared the use of specifically  composed music (Treated Group, TG), music that the patient liked (Placebo Group,  PG), and no music (Control Group, CG) during the usual ACT routine. Enjoyment  increased after the use of the specifically composed music (children +0.9  units/parents +1.7 units; p<0.05) compared to enjoyment with no music (0 units) and  familiar music (+0.5 units). Perception of time was 11.1 min (±3.9) less than the  actual time in the TG (p<0.05), 3.9 min (±4.2) more than the actual time in the PG  and unchanged in the CG. The potential cost saving related to respiratory  exacerbations was €6,704.87, while the cost increased to €33,524.35 in the CG and to  €13,409.74 in the PG. The authors concluded that specifically composed, played and compiled  instrumental recorded music is an effective adjunct to ACT to establish a positive  response and is an efficient option in terms of avoided costs.

One RCT (Wood J, 2019) investigated a smartphone application for reporting symptoms in adults with cystic fibrosis. 60 CF patients (29 female, aged [mean+/-SD] 31+/-9years, FEV1 60+/-18% predicted) were randomised to intervention (use of the app weekly or sooner if symptoms had worsened) or control (usual care). The primary outcome measure was the number of courses and days of intravenous (IV) antibiotics. In conclusion this study showd that the use of an app reduced time to detect  respiratory exacerbations that required antibiotics, however did not demonstrate  a clear effect on the number of courses of IV antibiotics.

One single centre, non randomized and non controlled prospective study (Skov M, 2018) 1 year long in Denmark was focused on a transitional programme started at the age of 12 years. A well structured transition programme for CF patients as young as 12 years of age proved to be both feasible and sustainable.

One recent RCT (Moola FJ, 2017) evaluated the effects of physical activity counseling in 13 children between 8 and 18 with Cystic Fibrosis. The intervention was found to be feasible and acceptable with good recruitment, retention, adherence, and acceptability.

One RCT (Belsky J, 1994) studied self-hypnosis efficacy in 12 CF patients aged 7 to 18 years: significant improvement in psychological well-being and in lung function tests were demonstrated in the intervention group.

In conclusion:

Psychological intervention, in addition to standard multidisciplinary care, has a role in the treatment protocol of CF patients. This is demonstrated above all in the field of caloric intake to improve nutritional status.

Self-management education interventions (training programme for managing cystic fibrosis in general, education specific to aerosol and airway clearance treatments, general and disease-specific nutrition education) in children and adults with cystic fibrosis resulted in poor improvement of patient’s knowledge and in positively changing of a small number of behaviours in both patients and their caregivers.

A multicenter RCT (Quittner AL, 2019) including 607 adolescents with CF (11-20 years) compared a brief problem-solving + education intervention (IMPACT) vs standard care. Results showed that the IMPACT intervention did not improve medication adherence or health outcomes over 12months. Challenges to implementing the intervention as intended during busy clinic visits were identified.

A randomized feasibility trial (Hind D, 2019) in 2 CF centers investigated supporting medication adherence for adults (16 years and holder) with cystic fibrosis. The intervention consisted in linking nebuliser use with data recording and transfer capability to a software platform, and behavioural strategies to support self-management delivered by trained interventionists (n = 32); the control group (n= 32) received face-to-face meetings every 3 months with CF team. Interventionists delivered insufficient numbers of review sessions due to concentration on participant recruitment. This left interventionists insufficient time for key intervention procedures. With improved research processes and lower monthly participant recruitment targets, a full-scale trial is feasible.

A qualitative interview study undertaken concurrently with a pilot randomized controlled trial (Drabble S, 2020) investigated the mechanisms associated with effective telehealth interventions for self-management operated within a new intervention. The intervention was modified to strengthen mechanisms of action based on these findings, for example delivery through an app accessed via mobile phones, and then tested in a randomized controlled trial in 19 UK cystic fibrosis centers. 25 semi-structured interviews were conducted with three interventionists at two time points. 

A prospective quality improvement study (Reamer C, 2020) ivestigated the effectiveness of a modified Re-Education of Airway Clearance Techniques (REACT) programme in CF children aged >6 years. Outcome measures were assessed for our entire programme via the CF Foundation Patient Registry (CFFPR) and statistical process control. Comparisons were also made before and after REACT for outcome measures. By the end of implementation, monthly participation rate achieved 100%. Using CFFPR data and SPC, median ppFEV(1) increased by 3.9%, whereas only body mass index (BMI) as a secondary outcome increased. Comparison of pre and post REACT showed improvements in average ppFEV(1) (95% vs 96%, p<0.0001), FEF(25%-75%) (82% vs 83%, p=0.0590), rate of ppFEV1 decline (+2% vs -4%, p=0.0262) and BMI percentile (57% vs 60%, p<0.0001).  Implementation of a modified REACT at Lurie Children's paediatric CF programme led to an increase in ppFEV(1), FEF(25%-75%) and BMI percentile.

A clinical european study (Calvo-Lerma J, 2021) conducted in 84 CF children with PI followed in 6 CF centres investigated the use of a self-management mobile app to self-monitor dietary intake. Three-days food records were collected at baseline and after 3 and 6 months. Compared to baseline, better macronutrient distribution was registered  increasing protein and lipid by 1.0 and 2.1% of the total energy intake, respectively, by the end of the study and decreasing carbohydrate intake. This app could become a useful tool to achieve adherence to guideline recommendations, if validated during a longer period of time or against a control group.

One pilot RCT (Bathgate CJ, 2022) investigated if telehealth intervention was able to reduce symptoms of depression and anxiety in adults with cystic fibrosis. Patients were randomly assigned to either six telehealth sessions (CALM; n = 15) or treatment-as-usual (TAU; n = 16). Based on these preliminary results CALM promise as an intervention to reduce symptoms of depression and anxiety and improve coping and HrQOL. A multi-site RCT is needed to confirm thede data.

 

 

Unresolved questions

If and which kind of psychological intervention is associated with clinical outcomes improvement.

Timing and modality to address CF people to psychological interventions.

Several clinical trials are ongoing, dealing:

  • with self-management interventions
  • with a behavioural and nutritional intervention
  • with singing
  • with an intervention to improve adherence
  • with a support programme for adolescents

An ongoing RCT (NCT03637504) will evaluate the feasibility of a mobile medication plan application in CF patient care (patients' age: 12 and older).

An ongoing RCT (NCT03560726) will investigate the telehealth cognitive behavioral stress management for adults with Cystic Fibrosis.

An ongoign RCT (NCT03921229) will evaluate the tele-coaching intervention in CF patients (14 years of age and older) to improve treatment adherence in CF.

One ongoing trial (IRCT20180501039489N2) will investigate the effect of family empowerment on the coping strategies of parents of children with cystic fibrosis.

One ongoing RCT (NCT03992027) will evaluate how a cognitive-behavioral skills-based program to promote emotional well-being for adults wtih Cystic Fibrosis is able  to pèrevent depression and ansiety.

One trial (ACTRN12619000009112) will explore anxiety disorders in children with cystic fibrosis and their families and provide a proof-of-concept trial of the Fear-less Triple P intervention. The Fear-Less Triple P workshop intervention is a one-day (6 hour) parent group workshop with a follow-up implementation phone call one week later. The workshop covers the following topics: Education about anxiety and its development;
Strategies for promoting emotional resilience in children (‘emotion coaching’); Cognitive behavioural strategies for managing anxiety; Strategies for managing children’s anxiety.

One study (NCT04114227) will compare the acceptance and commitment therapy adapted for Cystic Fibrosis (ACT with CF) to supportive psychotherapy (Treatment as Usual Control) in ault CF patients.  

 

 

 

 

 

Keywords: Biofeedback- hypnosis- and relaxation; Psychoeducation;