Simon R. Knowles

ORCID: 0000-0001-8000-1000 · 5 papers in corpus
other 2026
Telehealth cognitive behavioural therapy improves health-related quality of life and pain in endometriosis: the Healing Pelvic Pain Intervention (HaPPI)-a randomized controlled trial
Human reproduction open ·doi:10.1093/hropen/hoag006

STUDY QUESTION: Is telehealth cognitive behavioural therapy (CBT) or yoga effective in improving health-related quality of life (HRQoL) and secondary outcomes for endometriosis? SUMMARY ANSWER: Endometriosis-tailored CBT is superior to edu…

other 2025
Co-designing, evaluating and implementing online supportive care for endometriosis in Australia: study protocol for the hybrid type 1 effectiveness, cost-effectiveness and implementation randomised controlled trial of the CodeEndo program
BMJ open ·doi:10.1136/bmjopen-2024-097872

INTRODUCTION: Endometriosis is a chronic condition affecting up to 11% of people presumed female at birth by the age of 44 years, characterised by the growth of tissue similar to the lining of the uterus on other organs. Endometriosis signi…

other 2025
Online randomised e-hypnotherapy for chronic pelvic pain study (REST): comparing e-hypnotherapy with relaxation and waitlist to improve pain, cost-effectiveness and biopsychosocial outcomes
BMJ open ·doi:10.1136/bmjopen-2025-102697

BACKGROUND: Chronic pelvic pain, defined as persistent pain in the structures of the pelvis, is a condition that significantly impacts the health-related quality of life (HRQoL) of up to one-third of people worldwide, with substantial assoc…

2023
The Role of Pain Acceptance, Pain Catastrophizing, and Coping Strategies: A Validation of the Common Sense Model in Females Living with Fibromyalgia.
Journal of clinical psychology in medical settings ·doi:10.1007/s10880-022-09873-w

This study aimed to examine the extent to which illness beliefs, coping styles, pain acceptance, pain catastrophizing, and psychological distress mediate the relationship between fibromyalgia symptoms and quality of life (QoL) in a female c…

article 2021
Yoga, cognitive–behavioural therapy versus education to improve quality of life and reduce healthcare costs in people with endometriosis: a randomised controlled trial
BMJ open ·doi:10.1136/bmjopen-2020-046603

INTRODUCTION: Endometriosis is a debilitating chronic inflammatory condition highly burdensome to the healthcare system. The present trial will establish the efficacy of (1) yoga and (2) cognitive-behavioural therapy (CBT), above (3) educat…