In:
Integrative Cancer Therapies, SAGE Publications, Vol. 22 ( 2023-01), p. 153473542211499-
Kurzfassung:
EEG biofeedback (NF) is an established therapy to enable individuals to influence their own cognitive-emotional state by addressing changes in brainwaves. Psycho-oncological approaches of NF in cancer patients are rare and effects are hardly studied. Objective: The aim of this explorative, randomized controlled trial was to test the effectiveness of an alpha and theta NF training protocol, compared to mindfulness based therapy as an established psycho-oncological treatment. Methods: Of initially 62 screened patients, 56 were included (inclusion criteria were cancer independent of tumor stage, age 〉 18 years, German speaking; exclusion criteria suicidal ideation, brain tumor). Randomization and stratification (tumor stage) was conducted by a computer system. Participants got 10 sessions over 5 weeks, in (a) an NF intervention (n = 21; 13 female, 8 male; MAge = 52.95(10 519); range = 31 to 73 years)) or (b) a mindfulness group therapy as control condition (CG; n = 21; ie, 15 female, 6 male; MAge = 50.33(8708); range = 32 to 67 years)). Outcome parameters included self-reported cognitive impairment (PCI) as primary outcome, and secondary outcomes of emotional distress (DT, PHQ-8, GAD-7), fatigue (MFI-20), rumination (RSQ), quality of life (QoL, EORTC-30 QoL), self-efficacy (GSE), and changes in EEG alpha, and theta-beta band performance in the NF condition. Results: No changes in cognitive impairment were found ( P = .079), neither in NF nor CG. High affective distress was evident, with 70.7% showing elevated distress and 34.1% showing severe depressive symptoms. Affective symptoms of distress ( P ≤ .01), depression ( P ≤ .05) and generalized anxiety ( P ≤ .05) decreased significantly over time. No differences between NF and CG were found. There was a significant increase of the alpha band ( P ≤ .05; N = 15) over the NF sessions. Self-efficacy predicted QoL increase in NF with P ≤ .001 and an explained variance of 48.2%. Conclusion: This is the first study to investigate NF technique with regard to basic mechanisms of effectiveness in a sample of cancer patients, compared to an established psycho-oncological intervention in this field. Though there were no changes in cognitive impairment, present data show that NF improves affective symptoms comparably to mindfulness-based therapy and even more pronounced in QoL and self-efficacy. Trial registration: ID: DRKS00015773
Materialart:
Online-Ressource
ISSN:
1534-7354
,
1552-695X
DOI:
10.1177/15347354221149950
Sprache:
Englisch
Verlag:
SAGE Publications
Publikationsdatum:
2023
ZDB Id:
2101248-9
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