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Tsai NC, Hsiao YY, Su YT, Lin YJ, Kung FT, Chen PH, Lan KC. The efficacy of early office hysteroscopy in preventing intrauterine adhesions after abortion: a randomized controlled trial. BMC Womens Health 2024; 24:400. [PMID: 39003483 DOI: 10.1186/s12905-024-03247-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2023] [Accepted: 07/05/2024] [Indexed: 07/15/2024] Open
Abstract
BACKGROUND Intrauterine adhesions (IUA) are a challenging clinical problem in reproductive infertility. The most common causes are intrauterine surgery and abortions. We aimed to investigate whether early second-look office hysteroscopy can prevent IUA. METHODS A single-center, prospective, two-armed, randomized controlled trial was designed to explore the efficacy of early office hysteroscopy after first-trimester induced abortion (suction dilatation and curettage [D&C]) and to further analyze fertility outcomes. Women aged 20-45 years undergoing suction D&C and desiring to conceive were recruited. Between October 2019 and September 2022, 66 women were enrolled, of whom 33 were allocated to group A (early hysteroscopy intervention). The women in intervention group A were planned to receive 2 times of hysteroscopies (early and late). In group B, women only underwent late (6 months post suction D&C) hysteroscopy. RESULTS The primary outcome was the IUA rate assessed using office hysteroscopy 6 months after artificial abortion. Secondary outcomes included menstrual amount/durations and fertility outcomes. In intervention group A, 31 women underwent the first hysteroscopy examination, and 15 completed the second. In group B (late hysteroscopy intervention, 33 patients), 16 completed the hysteroscopic exam 6 months after an artificial abortion. Twenty-one women did not receive late hysteroscopy due to pregnancy. The IUA rate was 16.1% (5/31) at the first hysteroscopy in group A, and no IUA was detected during late hysteroscopy. Neither group showed statistically significant differences in the follow-up pregnancy and live birth rates. CONCLUSIONS Early hysteroscopy following suction D&C can detect intrauterine lesions. IUA detected early by hysteroscopy can disappear on late examination and become insignificant for future pregnancies. Notably, the pregnancy outcomes showed a favorable trend in the early hysteroscopy group, but there were no statistically significant differences. TRIAL REGISTRATION ClinicalTrials.gov , ID: NCT04166500. Registered on 2019-11-10. https://clinicaltrials.gov/ct2/show/NCT04166500 .
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Affiliation(s)
- Ni-Chin Tsai
- Department of Obstetrics and Gynecology, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung 123 Ta-Pei Road, Niao-Sung District, Kaohsiung City, Taiwan
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, 100, Shih-Chuan 1st Road, Kaohsiung, 80708, Taiwan
| | - Yu-Yang Hsiao
- Department of Obstetrics and Gynecology, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung 123 Ta-Pei Road, Niao-Sung District, Kaohsiung City, Taiwan
| | - Yu-Ting Su
- Department of Obstetrics and Gynecology, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung 123 Ta-Pei Road, Niao-Sung District, Kaohsiung City, Taiwan
| | - Yu-Ju Lin
- Department of Obstetrics and Gynecology, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung 123 Ta-Pei Road, Niao-Sung District, Kaohsiung City, Taiwan
| | - Fu-Tsai Kung
- Department of Obstetrics and Gynecology, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung 123 Ta-Pei Road, Niao-Sung District, Kaohsiung City, Taiwan
| | - Ping-Ho Chen
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, 100, Shih-Chuan 1st Road, Kaohsiung, 80708, Taiwan
| | - Kuo-Chung Lan
- Department of Obstetrics and Gynecology, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung 123 Ta-Pei Road, Niao-Sung District, Kaohsiung City, Taiwan.
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, 100, Shih-Chuan 1st Road, Kaohsiung, 80708, Taiwan.
- Center for Menopause and Reproductive Medicine Research, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, 83301, Taiwan.
- Department of Obstetrics and Gynecology, Jen-Ai Hospital, Taichung, 41257, Taiwan.
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Arthuso FZ, Morielli AR, Usmani N, Joseph K, Nijjar T, Tankel K, Fairchild A, Severin D, Boulé NG, Courneya KS. Effects of Exercise on Motivational Outcomes in Rectal Cancer Patients During and After Neoadjuvant Chemoradiation: A Phase II Randomized Controlled Trial. Semin Oncol Nurs 2023; 39:151419. [PMID: 37061361 DOI: 10.1016/j.soncn.2023.151419] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 03/06/2023] [Accepted: 03/08/2023] [Indexed: 04/17/2023]
Abstract
OBJECTIVES Understanding exercise motivation in rectal cancer patients during and after neoadjuvant chemoradiation therapy is important to improve adherence and achieve potential benefit. We report the motivational effects of exercise from the Exercise During and After Neoadjuvant Rectal Cancer Treatment trial. DATA SOURCES We randomized 36 rectal cancer patients to supervised high-intensity interval training during neoadjuvant chemoradiation therapy followed by unsupervised moderate-to-vigorous exercise after therapy, or usual care. Using the theory of planned behavior, we assessed motivation, perceived benefits/harms, and perceived barriers for exercise during and after therapy. Supervised exercise during neoadjuvant chemoradiation therapy was experienced as meaningfully (d≥0.33) more controllable (p=0.08, d=0.60), more enjoyable (p=0.25, d=0.45), and less difficult (p=0.45, d=-0.38) than anticipated. Unsupervised exercise after therapy was experienced as meaningfully more enjoyable (p=0.047, d=0.50) and less difficult (p=0.43, d=-0.36), but also less controllable (p=0.14, d=-0.80) than anticipated. Common self-reported benefits of exercise both during and after neoadjuvant chemoradiation therapy were cardiovascular endurance, physical functioning, and quality of life. Common self-reported harms were exacerbation of treatment side effects. Frequently reported barriers to exercise during therapy were side effects of treatment, whereas exercise barriers after therapy were lack of motivation and lingering side effects. CONCLUSION Exercise during and after therapy generally had positive effects on exercise motivation, however, perceived harms and barriers related to treatment side effects were identified. IMPLICATIONS FOR NURSING PRACTICE Nurses can help rectal cancer patients initiate and maintain exercise during and after neoadjuvant chemoradiation by discussing the potential benefits, harms, and barriers to exercise.
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Affiliation(s)
- Fernanda Z Arthuso
- Faculty of Kinesiology, Sport, and Recreation, College of Health Sciences, University of Alberta, Edmonton, Alberta, Canada
| | - Andria R Morielli
- Faculty of Kinesiology, Sport, and Recreation, College of Health Sciences, University of Alberta, Edmonton, Alberta, Canada
| | - Nawaid Usmani
- Department of Oncology, College of Health Sciences, University of Alberta and Division of Radiation Oncology, Cross Cancer Institute, Edmonton, Alberta, Canada
| | - Kurian Joseph
- Department of Oncology, College of Health Sciences, University of Alberta and Division of Radiation Oncology, Cross Cancer Institute, Edmonton, Alberta, Canada
| | - Tirath Nijjar
- Department of Oncology, College of Health Sciences, University of Alberta and Division of Radiation Oncology, Cross Cancer Institute, Edmonton, Alberta, Canada
| | - Keith Tankel
- Department of Oncology, College of Health Sciences, University of Alberta and Division of Radiation Oncology, Cross Cancer Institute, Edmonton, Alberta, Canada
| | - Alysa Fairchild
- Department of Oncology, College of Health Sciences, University of Alberta and Division of Radiation Oncology, Cross Cancer Institute, Edmonton, Alberta, Canada
| | - Diane Severin
- Department of Oncology, College of Health Sciences, University of Alberta and Division of Radiation Oncology, Cross Cancer Institute, Edmonton, Alberta, Canada
| | - Normand G Boulé
- Faculty of Kinesiology, Sport, and Recreation, College of Health Sciences, University of Alberta, Edmonton, Alberta, Canada
| | - Kerry S Courneya
- Faculty of Kinesiology, Sport, and Recreation, College of Health Sciences, University of Alberta, Edmonton, Alberta, Canada.
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Latrille M, Buchs NC, Ris F, Koessler T. Physical activity programmes for patients undergoing neo-adjuvant chemoradiotherapy for rectal cancer: A systematic review and meta-analysis. Medicine (Baltimore) 2021; 100:e27754. [PMID: 34941028 PMCID: PMC8702187 DOI: 10.1097/md.0000000000027754] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Accepted: 10/27/2021] [Indexed: 01/05/2023] Open
Abstract
BACKGROUND Patients diagnosed with localized rectal cancer should undergo Neoadjuvant Radio-Chemotherapy (NACRT) followed, a few weeks later, by surgical resection. NACRT is known to cause significant decline in the physical and psychological health of patients. This literature review aims to summarize the effects of a prehabilitation programme during and/or after NACRT but before surgery. METHODS Articles included in this review have been selected by two independent researchers on Pubmed, Google Scholar, and Cochrane databases with the following terms: "Rectal Cancer AND Physical Activity" and "Exercise AND Rectal Cancer." RESULTS We obtained 560 articles. We selected 12 of these, representing 7 series but only one randomized study, constituting 153 patients in total. Most studies included have considerable variation in their prehabilitation programmes, in terms of supervision, training content, frequency, intensity, duration, and temporality, in regard to NACRT and surgery. Implementing a prehabilitation programme during NACRT seems feasible and safe, with adherence ranging from 58% to 100%. VO2max (maximal oxygen consumption during incremental exercise) was improved in three of the studies during the prehabilitation programme. No significant difference in the step count, 6-minute-walk test, or quality of life was seen. CONCLUSIONS Prehabilitation programmes during NACRT for localized rectal cancer patients are safe and feasible; however, due to considerable variation in the prehabilitation programmes and their small size, impact on fitness, quality of life, and surgical outcome are unknown. Larger randomized studies are needed.
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Affiliation(s)
| | - Nicolas C. Buchs
- Division of Visceral Surgery, Geneva University Hospital, Geneva, Switzerland
| | - Frédéric Ris
- Division of Visceral Surgery, Geneva University Hospital, Geneva, Switzerland
| | - Thibaud Koessler
- Oncology Department, Geneva University Hospital, Geneva, Switzerland
- Geneva University, Geneva, Switzerland
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Watson G, Coyne Z, Houlihan E, Leonard G. Exercise oncology: an emerging discipline in the cancer care continuum. Postgrad Med 2021; 134:26-36. [PMID: 34854802 DOI: 10.1080/00325481.2021.2009683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Exercise is an essential component of healthy living and well-being. While there is a global acceptance of the benefits of exercise for the general population, there exists hesitancy and confusion among health-care professionals, particularly oncologists, as to whether these benefits translate to cancer patients. Patient referrals to accessible, structured exercise programs in this setting are often overlooked by physicians when formulating a cancer management plan. There is however increasing awareness and acceptance of cancer survivorship as a part of the cancer care continuum, identifying multiple factors that contribute to well-being beyond just cancer outcomes. Efforts to optimize cancer survivorship have stimulated further academic interest in the benefits of healthy living and particularly exercise oncology. There is now compelling evidence that exercise, which includes daily activities such as walking, as well as structured programs, improves multiple-cancer outcomes such as fatigue, quality of life and likely survival, and warrants consideration in the multidisciplinary care of cancer patients. International guidelines have been established that recommend counseling cancer patients with regard to healthy lifestyle changes including exercise. However, there still remains a reluctance from oncology physicians to prescribe exercise for these patients, largely due to uncertainty with regard to their patients' ability to tolerate such an intervention, coupled with insufficient understanding of the potential benefits of these programs. There also exist patient barriers and attitudes that must be overcome. Exercise strategies and bespoke programs that are tailored to the unique abilities and goals of the patients will enhance participation. To move the field forward and integrate exercise oncology into standard practice, it is imperative to raise awareness of the benefits of exercise to cancer patients and their health-care providers. This will facilitate the prescription of exercise as part of the multimodal treatment plan with the ultimate aim of promoting an active lifestyle to optimize patient care and well-being.
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Affiliation(s)
- Ga Watson
- Department of Medical Oncology, University Hospital Galway, Galway, Ireland
| | - Zl Coyne
- Department of Medical Oncology, University Hospital Galway, Galway, Ireland
| | - E Houlihan
- Department of Physiotherapy, Cancer Care West, Galway, Ireland
| | - Gd Leonard
- Department of Medical Oncology, University Hospital Galway, Galway, Ireland
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Morielli AR, Boulé NG, Usmani N, Tankel K, Joseph K, Severin D, Fairchild A, Nijjar T, Courneya KS. Effects of exercise during and after neoadjuvant chemoradiation on symptom burden and quality of life in rectal cancer patients: a phase II randomized controlled trial. J Cancer Surviv 2021:10.1007/s11764-021-01149-w. [PMID: 34841461 DOI: 10.1007/s11764-021-01149-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Accepted: 11/21/2021] [Indexed: 11/12/2022]
Abstract
PURPOSE We previously demonstrated that exercise during and after neoadjuvant chemoradiation (NACRT) for rectal cancer may improve the rate of pathologic complete/near complete response. Here, we report the effects of exercise on symptom management and quality of life (QoL). METHODS Rectal cancer patients (N = 36) were randomized to a supervised high-intensity interval training program during NACRT followed by unsupervised continuous exercise after NACRT or usual care. Patient-reported outcomes were assessed at baseline, post-NACRT, and presurgery including symptom burden (M.D. Anderson Symptom Inventory) and QoL (European Organisation for Research and Treatment of Cancer QLQ- C30 and -CR29). RESULTS During NACRT, exercise significantly worsened stool frequency (adjusted between-group difference, 25.8; 95% CI, 4.0 to 47.6; p = 0.022), role functioning (adjusted between-group difference, -21.3; 95% CI, -41.5 to -1.1; p = 0.039), emotional functioning (adjusted between-group difference, -11.7; 95% CI, -22.0 to -1.4; p = 0.028), and cognitive functioning (adjusted between-group difference, -11.6; 95% CI, -19.2 to -4.0; p = 0.004) compared to usual care. After NACRT, exercise significantly worsened diarrhea (adjusted between-group difference, 1.2; 95% CI, 0.1 to 2.3; p = 0.030) and embarrassment (adjusted between-group difference, 19.7; 95% CI, 7.4 to 32.1; p = 0.003) compared to usual care. CONCLUSIONS Exercise exacerbated some symptoms and worsened QoL during NACRT; however, most negative effects dissipated after NACRT. Larger trials are necessary to confirm these findings. IMPLICATIONS FOR CANCER SURVIVORS If the clinical benefit of exercise is confirmed, then the modest symptom exacerbation during NACRT may be considered tolerable. However, in the absence of any clinical benefit, exercise may be contraindicated in this clinical setting.
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Affiliation(s)
- Andria R Morielli
- Faculty of Kinesiology, Sport, and Recreation, University of Alberta, Edmonton, AB, Canada
| | - Normand G Boulé
- Faculty of Kinesiology, Sport, and Recreation, University of Alberta, Edmonton, AB, Canada
| | - Nawaid Usmani
- Department of Oncology, University of Alberta and Division of Radiation Oncology, Cross Cancer Institute, Edmonton, AB, Canada
| | - Keith Tankel
- Department of Oncology, University of Alberta and Division of Radiation Oncology, Cross Cancer Institute, Edmonton, AB, Canada
| | - Kurian Joseph
- Department of Oncology, University of Alberta and Division of Radiation Oncology, Cross Cancer Institute, Edmonton, AB, Canada
| | - Diane Severin
- Department of Oncology, University of Alberta and Division of Radiation Oncology, Cross Cancer Institute, Edmonton, AB, Canada
| | - Alysa Fairchild
- Department of Oncology, University of Alberta and Division of Radiation Oncology, Cross Cancer Institute, Edmonton, AB, Canada
| | - Tirath Nijjar
- Department of Oncology, University of Alberta and Division of Radiation Oncology, Cross Cancer Institute, Edmonton, AB, Canada
| | - Kerry S Courneya
- Faculty of Kinesiology, Sport, and Recreation, University of Alberta, Edmonton, AB, Canada.
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Arthuso FZ, Fairey AS, Boulé NG, Courneya KS. Bladder cancer and exeRcise trAining during intraVesical thErapy-the BRAVE trial: a study protocol for a prospective, single-centre, phase II randomised controlled trial. BMJ Open 2021; 11:e055782. [PMID: 34561265 PMCID: PMC8475156 DOI: 10.1136/bmjopen-2021-055782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
INTRODUCTION Non-muscle invasive bladder cancer (NMIBC) accounts for about 75% of newly diagnosed bladder cancers. The treatment for NMIBC involves surgical removal of the tumour followed by 6 weekly instillations of immunotherapy or chemotherapy directly into the bladder (ie, intravesical therapy). NMIBC has a high rate of recurrence (31%-78%) and progression (15%). Moreover, bladder cancer and its treatment may affect patient functioning and quality of life. Exercise is a safe and effective intervention for many patient with cancer groups, however, no studies have examined exercise during intravesical therapy for NMIBC. The primary objective of the Bladder cancer and exeRcise trAining during intraVesical thErapy (BRAVE) trial is to examine the safety and feasibility of an exercise intervention in patients with bladder cancer undergoing intravesical therapy. The secondary objectives are to investigate the preliminary efficacy of exercise on health-related fitness and patient-reported outcomes; examine the social cognitive predictors of exercise adherence; and explore the potential effects of exercise on tumour recurrence and progression. METHODS AND ANALYSIS BRAVE is a phase II randomised controlled trial that aims to include 66 patients with NMIBC scheduled to receive intravesical therapy. Participants will be randomly assigned to the exercise intervention or usual care. The intervention consists of three supervised, high-intensity interval training sessions per week for 12 weeks. Feasibility will be evaluated by eligibility, recruitment, adherence and attrition rates. Preliminary efficacy will focus on changes in cardiorespiratory fitness and patient-reported outcomes from baseline (prior to intravesical therapy) to pre-cystoscopy (3 months). Cancer outcomes will be tracked at 3 months, and 1-year follow-up by cystoscopy. Analysis of covariance will compare between-group differences at post-intervention (pre-cystoscopy) for all health-related fitness and patient-reported outcomes. ETHICS AND DISSEMINATION The study was approved by the Health Research Ethics Board of Alberta-Cancer Committee (#20-0184). Dissemination will include publication and presentations at scientific conferences and public channels. TRIAL REGISTRATION NUMBER NCT04593862; Pre-results.
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Affiliation(s)
- Fernanda Z Arthuso
- Faculty of Kinesiology, Sport, and Recreation, College of Health Sciences, University of Alberta, Edmonton, Alberta, Canada
| | - Adrian S Fairey
- Division of Urology, Department of Surgery, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada
| | - Normand G Boulé
- Faculty of Kinesiology, Sport, and Recreation, College of Health Sciences, University of Alberta, Edmonton, Alberta, Canada
| | - Kerry S Courneya
- Faculty of Kinesiology, Sport, and Recreation, College of Health Sciences, University of Alberta, Edmonton, Alberta, Canada
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van Rees JM, Hartman W, Nuyttens JJME, Oomen-de Hoop E, van Vugt JLA, Rothbarth J, Verhoef C, van Meerten E. Relation between body composition and severe diarrhea in patients treated with preoperative chemoradiation with capecitabine for rectal cancer: a single-centre cohort study. BMC Gastroenterol 2021; 21:313. [PMID: 34348673 PMCID: PMC8336279 DOI: 10.1186/s12876-021-01886-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Accepted: 07/22/2021] [Indexed: 12/15/2022] Open
Abstract
Background Chemoradiation with capecitabine followed by surgery is standard care for locally advanced rectal cancer (LARC). Severe diarrhea is considered a dose-limiting toxicity of adding capecitabine to radiation therapy. The aim of this study was to describe the risk factors and the impact of body composition on severe diarrhea in patients with LARC during preoperative chemoradiation with capecitabine.
Methods A single centre retrospective cohort study was conducted in a tertiary referral centre. All patients treated with preoperative chemoradiation with capecitabine for LARC from 2009 to 2015 were included. Patients with locally recurrent rectal cancer who received chemoradiation for the first time were included as well. Logistic regression analyses were performed to identify risk factors for severe diarrhea.
Results A total of 746 patients were included. Median age was 64 years (interquartile range 57–71) and 477 patients (64%) were male. All patients received a radiation dosage of 25 × 2 Gy during a period of five weeks with either concomitant capecitabine administered on radiation days or continuously during radiotherapy. In this cohort 70 patients (9%) developed severe diarrhea. In multivariable logistic regression analyses female sex (OR: 4.42, 95% CI 2.54–7.91) and age ≥ 65 (OR: 3.25, 95% CI 1.85–5.87) were the only risk factors for severe diarrhea. Conclusions Female patients and patients aged sixty-five or older had an increased risk of developing severe diarrhea during preoperative chemoradiation therapy with capecitabine. No relation was found between body composition and severe diarrhea.
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Affiliation(s)
- J M van Rees
- Department of Surgical Oncology and Gastrointestinal Surgery, Erasmus MC Cancer Institute, Rotterdam, The Netherlands.
| | - W Hartman
- Department of Medical Oncology, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
| | - J J M E Nuyttens
- Department of Radiation Oncology, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
| | - E Oomen-de Hoop
- Department of Medical Oncology, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
| | - J L A van Vugt
- Department of Surgical Oncology and Gastrointestinal Surgery, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
| | - J Rothbarth
- Department of Surgical Oncology and Gastrointestinal Surgery, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
| | - C Verhoef
- Department of Surgical Oncology and Gastrointestinal Surgery, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
| | - E van Meerten
- Department of Medical Oncology, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
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Loughney L, West MA, Moyses H, Bates A, Kemp GJ, Hawkins L, Varkonyi-Sepp J, Burke S, Barben CP, Calverley PM, Cox T, Palmer DH, Mythen MG, Grocott MPW, Jack S. The effects of neoadjuvant chemoradiotherapy and an in-hospital exercise training programme on physical fitness and quality of life in locally advanced rectal cancer patients: a randomised controlled trial (The EMPOWER Trial). Perioper Med (Lond) 2021; 10:23. [PMID: 34154675 PMCID: PMC8216760 DOI: 10.1186/s13741-021-00190-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Accepted: 04/22/2021] [Indexed: 01/13/2023] Open
Abstract
BACKGROUND The EMPOWER trial aimed to assess the effects of a 9-week exercise prehabilitation programme on physical fitness compared with a usual care control group. Secondary aims were to investigate the effect of (1) the exercise prehabilitation programme on psychological health; and (2) neoadjuvant chemoradiotherapy (NCRT) on physical fitness and psychological health. METHODS Between October 2013 and December 2016, adults with locally advanced rectal cancer undergoing standardised NCRT and surgery were recruited to a multi-centre trial. Patients underwent cardiopulmonary exercise testing (CPET) and completed HRQoL questionnaires (EORTC-QLQ-C30 and EQ-5D-5L) pre-NCRT and post-NCRT (week 0/baseline). At week 0, patients were randomised to exercise prehabilitation or usual care (no intervention). CPET and HRQoL questionnaires were assessed at week 0, 3, 6 and 9, whilst semi-structured interviews were assessed at week 0 and week 9. Changes in oxygen uptake at anaerobic threshold (VO2 at AT (ml kg-1 min-1)) between groups were compared using linear mixed modelling. RESULTS Thirty-eight patients were recruited, mean age 64 (10.4) years. Of the 38 patients, 33 were randomised: 16 to usual care and 17 to exercise prehabilitation (26 males and 7 females). Exercise prehabilitation significantly improved VO2 at AT at week 9 compared to the usual care. The change from baseline to week 9, when adjusted for baseline, between the randomised groups was + 2.9 ml kg -1 min -1; (95% CI 0.8 to 5.1), p = 0.011. CONCLUSION A 9-week exercise prehabilitation programme significantly improved fitness following NCRT. These findings have informed the WesFit trial (NCT03509428) which is investigating the effects of community-based multimodal prehabilitation before cancer surgery. TRIAL REGISTRATION ClinicalTrials.gov NCT01914068 . Registered 1 August 2013.
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Affiliation(s)
- Lisa Loughney
- Anaesthesia and Critical Care Research Area, NIHR Biomedical Research Centre, University Hospital Southampton NHS Foundation Trust, Road, Southampton, UK
- Integrative Physiology and Critical Illness Group, Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, Southampton, UK
- ExWell Medical, Dublin, Ireland
| | - Malcolm A West
- Anaesthesia and Critical Care Research Area, NIHR Biomedical Research Centre, University Hospital Southampton NHS Foundation Trust, Road, Southampton, UK
- Integrative Physiology and Critical Illness Group, Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, Southampton, UK
- Cancer Sciences Unit, Faculty of Medicine, University of Southampton, Southampton, UK
| | - Helen Moyses
- Anaesthesia and Critical Care Research Area, NIHR Biomedical Research Centre, University Hospital Southampton NHS Foundation Trust, Road, Southampton, UK
| | - Andrew Bates
- Departments of Anaesthesia and Critical Care, Royal Bournemouth NHS Foundation Trust, Bournemouth, UK
| | - Graham J Kemp
- Department of Musculoskeletal Biology and MRC - Arthritis Research UK Centre for Integrated research into Musculoskeletal Ageing (CIMA), Faculty of Health and Life Sciences, University of Liverpool, Liverpool, UK
| | - Lesley Hawkins
- Anaesthesia and Critical Care Research Area, NIHR Biomedical Research Centre, University Hospital Southampton NHS Foundation Trust, Road, Southampton, UK
- Integrative Physiology and Critical Illness Group, Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, Southampton, UK
| | - Judit Varkonyi-Sepp
- Anaesthesia and Critical Care Research Area, NIHR Biomedical Research Centre, University Hospital Southampton NHS Foundation Trust, Road, Southampton, UK
| | - Shaunna Burke
- Faculty of Biological Sciences, School of Biomedical Sciences, University of Leeds, Leeds, UK
| | - Christopher P Barben
- Department of Colorectal Surgery, Aintree University Hospitals NHS Foundation Trust, Liverpool, UK
| | - Peter M Calverley
- Institute of Ageing and Chronic Disease, University of Liverpool, Liverpool, UK
| | - Trevor Cox
- Cancer Research UK Liverpool Cancer Trials Unit, University of Liverpool, Liverpool, UK
| | - Daniel H Palmer
- Institute of Translational Medicine, University of Liverpool, Liverpool, UK
| | - Michael G Mythen
- Anaesthesia and Critical Care, University College London, London, UK
| | - Michael P W Grocott
- Anaesthesia and Critical Care Research Area, NIHR Biomedical Research Centre, University Hospital Southampton NHS Foundation Trust, Road, Southampton, UK.
- Integrative Physiology and Critical Illness Group, Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, Southampton, UK.
- Cancer Sciences Unit, Faculty of Medicine, University of Southampton, Southampton, UK.
| | - Sandy Jack
- Anaesthesia and Critical Care Research Area, NIHR Biomedical Research Centre, University Hospital Southampton NHS Foundation Trust, Road, Southampton, UK
- Integrative Physiology and Critical Illness Group, Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, Southampton, UK
- Cancer Sciences Unit, Faculty of Medicine, University of Southampton, Southampton, UK
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Morielli AR, Usmani N, Boulé NG, Severin D, Tankel K, Joseph K, Nijjar T, Fairchild A, Courneya KS. Feasibility, Safety, and Preliminary Efficacy of Exercise During and After Neoadjuvant Rectal Cancer Treatment: A Phase II Randomized Controlled Trial. Clin Colorectal Cancer 2021; 20:216-226. [PMID: 34158253 DOI: 10.1016/j.clcc.2021.05.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 05/06/2021] [Accepted: 05/13/2021] [Indexed: 10/21/2022]
Abstract
BACKGROUND Neoadjuvant chemoradiation (NACRT) improves outcomes for patients with rectal cancer; however, there are dose-limiting toxicities and only a 15% to 27% pathologic complete response (pCR) rate. Exercise may help manage toxicities and improve treatment response, but feasibility and early efficacy have not been established. EXERT was a phase II trial designed to establish the feasibility and safety of exercise and provide the first evidence of efficacy. MATERIALS AND METHODS Patients with rectal cancer scheduled to receive NACRT were randomly assigned to usual care (n = 18) or exercise (n = 18) involving supervised exercise during NACRT and unsupervised exercise after NACRT. The primary outcome was cardiorespiratory fitness (VO2 peak). Clinical outcomes included treatment toxicities, treatment completion, and treatment response. RESULTS Median attendance at supervised exercise sessions during NACRT was 82%, and median self-reported exercise after NACRT was 90 min/wk. From baseline to post-NACRT, VO2 peak increased by 0.4 mL·kg-1·min-1 in the exercise group and decreased by 0.8 mL·kg-1·min-1 in the usual care group (P = .47). There were no significant differences between groups for grade 3/4 toxicities or treatment completion. Of 18 patients in the exercise group, 10 (56%) achieved pCR/near pCR compared with 3 of 17 (18%) in the usual care group (P = .020). CONCLUSION Exercise during and after NACRT is feasible for many patients with rectal cancer and may improve pCR despite limited fitness improvements. Larger trials are warranted to confirm if exercise is an effective intervention for improving treatment outcomes in this clinical setting.
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Affiliation(s)
- Andria R Morielli
- Faculty of Kinesiology, Sport, and Recreation, University of Alberta, Edmonton, Alberta, Canada
| | - Nawaid Usmani
- Department of Oncology, University of Alberta and Division of Radiation Oncology, Cross Cancer Institute, Edmonton, Alberta, Canada
| | - Normand G Boulé
- Faculty of Kinesiology, Sport, and Recreation, University of Alberta, Edmonton, Alberta, Canada
| | - Diane Severin
- Department of Oncology, University of Alberta and Division of Radiation Oncology, Cross Cancer Institute, Edmonton, Alberta, Canada
| | - Keith Tankel
- Department of Oncology, University of Alberta and Division of Radiation Oncology, Cross Cancer Institute, Edmonton, Alberta, Canada
| | - Kurian Joseph
- Department of Oncology, University of Alberta and Division of Radiation Oncology, Cross Cancer Institute, Edmonton, Alberta, Canada
| | - Tirath Nijjar
- Department of Oncology, University of Alberta and Division of Radiation Oncology, Cross Cancer Institute, Edmonton, Alberta, Canada
| | - Alysa Fairchild
- Department of Oncology, University of Alberta and Division of Radiation Oncology, Cross Cancer Institute, Edmonton, Alberta, Canada
| | - Kerry S Courneya
- Faculty of Kinesiology, Sport, and Recreation, University of Alberta, Edmonton, Alberta, Canada.
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Effect of Exercise on Physical Function and Psychological Well-being in Older Patients With Colorectal Cancer Receiving Chemotherapy-A Systematic Review. Clin Colorectal Cancer 2020; 19:e243-e257. [PMID: 32828706 DOI: 10.1016/j.clcc.2020.05.012] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 05/14/2020] [Accepted: 05/26/2020] [Indexed: 01/07/2023]
Abstract
The incidence of colorectal cancer (CRC) increases with older age. Cancer and treatment-related side effects often lead to physical decline, poor treatment adherence, and a lower quality of life. The aim of the present systematic review and meta-analysis was to evaluate the effects of exercise reported by randomized controlled trials (RCTs) on physical function, physical fitness (ie, aerobic capacity, muscle strength) physical activity, and psychological well-being in older patients with CRC undergoing chemotherapy. Eight RCTs with 552 participants were included in the meta-analysis. The mean age across the RCTs was 58.5 years, and 2 RCTs excluded patients aged > 80 years. The meta-analyses showed a low level of evidence for a small beneficial effect of exercise on self-reported physical function (standardized mean difference [SMD], 0.26; 95% confidence interval [CI], 0.04-0.48) and global quality of life (SMD, 0.22; 95% CI, 0.02-0.43) and low level of evidence for a moderate effect of exercise reducing fatigue (SMD, -0.49; 95% CI, -0.79 to -0.19) for patients receiving chemotherapy for CRC. We found no evidence for a beneficial effect of exercise on physical fitness. No adverse events related to the exercise interventions were reported. The evidence for the effect of exercise on physical outcomes and psychological well-being during chemotherapy for patients with CRC and especially for older patients is sparse. However, exercise during chemotherapy for patients with CRC is feasible and safe. We found a moderate to high risk of bias in most of the included studies, small sample sizes, and a low number of included patients. Moreover, all studies had excluded patients with comorbidities or walking impairment, a group of patients who would probably benefit the most from exercise. This positive result requires verification in larger trials of older and frail patients receiving chemotherapy for CRC.
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11
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McGettigan M, Cardwell CR, Cantwell MM, Tully MA. Physical activity interventions for disease-related physical and mental health during and following treatment in people with non-advanced colorectal cancer. Cochrane Database Syst Rev 2020; 5:CD012864. [PMID: 32361988 PMCID: PMC7196359 DOI: 10.1002/14651858.cd012864.pub2] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
BACKGROUND Colorectal cancer is the third most commonly diagnosed cancer worldwide. A diagnosis of colorectal cancer and subsequent treatment can adversely affect an individuals physical and mental health. Benefits of physical activity interventions in alleviating treatment side effects have been demonstrated in other cancer populations. Given that regular physical activity can decrease the risk of colorectal cancer, and cardiovascular fitness is a strong predictor of all-cause and cancer mortality risk, physical activity interventions may have a role to play in the colorectal cancer control continuum. Evidence of the efficacy of physical activity interventions in this population remains unclear. OBJECTIVES To assess the effectiveness and safety of physical activity interventions on the disease-related physical and mental health of individuals diagnosed with non-advanced colorectal cancer, staged as T1-4 N0-2 M0, treated surgically or with neoadjuvant or adjuvant therapy (i.e. chemotherapy, radiotherapy or chemoradiotherapy), or both. SEARCH METHODS We searched the Cochrane Central Register of Controlled Trials (CENTRAL; 2019, Issue 6), along with OVID MEDLINE, six other databases and four trial registries with no language or date restrictions. We screened reference lists of relevant publications and handsearched meeting abstracts and conference proceedings of relevant organisations for additional relevant studies. All searches were completed between 6 June and 14 June 2019. SELECTION CRITERIA We included randomised control trials (RCTs) and cluster-RCTs comparing physical activity interventions, to usual care or no physical activity intervention in adults with non-advanced colorectal cancer. DATA COLLECTION AND ANALYSIS Two review authors independently selected studies, performed the data extraction, assessed the risk of bias and rated the quality of the studies using GRADE criteria. We pooled data for meta-analyses by length of follow-up, reported as mean differences (MDs) or standardised mean differences (SMDs) using random-effects wherever possible, or the fixed-effect model, where appropriate. If a meta-analysis was not possible, we synthesised studies narratively. MAIN RESULTS We identified 16 RCTs, involving 992 participants; 524 were allocated to a physical activity intervention group and 468 to a usual care control group. The mean age of participants ranged between 51 and 69 years. Ten studies included participants who had finished active treatment, two studies included participants who were receiving active treatment, two studies included both those receiving and finished active treatment. It was unclear whether participants were receiving or finished treatment in two studies. Type, setting and duration of physical activity intervention varied between trials. Three studies opted for supervised interventions, five for home-based self-directed interventions and seven studies opted for a combination of supervised and self-directed programmes. One study did not report the intervention setting. The most common intervention duration was 12 weeks (7 studies). Type of physical activity included walking, cycling, resistance exercise, yoga and core stabilisation exercise. Most of the uncertainty in judging study bias came from a lack of clarity around allocation concealment and blinding of outcome assessors. Blinding of participants and personnel was not possible. The quality of the evidence ranged from very low to moderate overall. We did not pool physical function results at immediate-term follow-up due to considerable variation in results and inconsistency of direction of effect. We are uncertain whether physical activity interventions improve physical function compared with usual care. We found no evidence of effect of physical activity interventions compared to usual care on disease-related mental health (anxiety: SMD -0.11, 95% confidence interval (CI) -0.40 to 0.18; 4 studies, 198 participants; I2 = 0%; and depression: SMD -0.21, 95% CI -0.50 to 0.08; 4 studies, 198 participants; I2 = 0%; moderate-quality evidence) at short- or medium-term follow-up. Seven studies reported on adverse events. We did not pool adverse events due to inconsistency in reporting and measurement. We found no evidence of serious adverse events in the intervention or usual care groups. Minor adverse events, such as neck, back and muscle pain were most commonly reported. No studies reported on overall survival or recurrence-free survival and no studies assessed outcomes at long-term follow-up We found evidence of positive effects of physical activity interventions on the aerobic fitness component of physical fitness (SMD 0.82, 95% CI 0.34 to 1.29; 7 studies, 295; I2 = 68%; low-quality evidence), cancer-related fatigue (MD 2.16, 95% CI 0.18 to 4.15; 6 studies, 230 participants; I2 = 18%; low-quality evidence) and health-related quality of life (SMD 0.36, 95% CI 0.10 to 0.62; 6 studies, 230 participants; I2 = 0%; moderate-quality evidence) at immediate-term follow-up. These positive effects were also observed at short-term follow-up but not medium-term follow-up. Only three studies reported medium-term follow-up for cancer-related fatigue and health-related quality of life. AUTHORS' CONCLUSIONS The findings of this review should be interpreted with caution due to the low number of studies included and the quality of the evidence. We are uncertain whether physical activity interventions improve physical function. Physical activity interventions may have no effect on disease-related mental health. Physical activity interventions may be beneficial for aerobic fitness, cancer-related fatigue and health-related quality of life up to six months follow-up. Where reported, adverse events were generally minor. Adequately powered RCTs of high methodological quality with longer-term follow-up are required to assess the effect of physical activity interventions on the disease-related physical and mental health and on survival of people with non-advanced colorectal cancer. Adverse events should be adequately reported.
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Affiliation(s)
| | - Chris R Cardwell
- Centre for Public Health, Queen's University Belfast, Belfast, UK
| | - Marie M Cantwell
- Centre for Public Health, Queen's University Belfast, Belfast, UK
| | - Mark A Tully
- Institute of Mental Health Sciences, School of Health Sciences, Ulster University, Newtownabbey, UK
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12
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Oruç Z, Kaplan MA. Effect of exercise on colorectal cancer prevention and treatment. World J Gastrointest Oncol 2019; 11:348-366. [PMID: 31139306 PMCID: PMC6522766 DOI: 10.4251/wjgo.v11.i5.348] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2019] [Revised: 04/17/2019] [Accepted: 05/06/2019] [Indexed: 02/05/2023] Open
Abstract
In recent years, because of improved cancer screening, detection and treatment modalities, a rapid increase in the population of colorectal and other cancer survivors has been observed. The increasing population has justified the requirement of preventive strategies such as lifestyle modifications with regard to obesity, physical activity, diet and smoking. Physical activity may prevent approximately 15% of the colon cancers. Furthermore, several observational studies have demonstrated the efficacy and dose-dependent and anti-cancer effects of exercise on decreasing the mortality and risk of recurrence before and after the colorectal cancer (CRC) diagnosis. However, the required exercise dose, type and intensity are yet unclear. The results of randomised prospective studies are expected to determine the optimal amount, type and intensity of exercise and formulate the most appropriate exercise plan and guidelines, according to the requirements and comorbidities of the patients. In addition, recent studies have focused on the molecular and genetic mechanisms underlying the effect of physical activity on disease outcomes and recurrence rates. This review aimed to investigate the effects of physical activity and the biological basis of these effects in preventing the risk and recurrence of CRC and decreasing the hazards of cancer and cancer treatment.
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Affiliation(s)
- Zeynep Oruç
- Department of Medical Oncology, Mersin City Hospital, Mersin 33000, Turkey
| | - Muhammed Ali Kaplan
- Department of Medical Oncology, Faculty of Medicine, Dicle University, Diyarbakır 21280, Turkey
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13
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Loughney LA, West MA, Kemp GJ, Grocott MPW, Jack S. Exercise interventions for people undergoing multimodal cancer treatment that includes surgery. Cochrane Database Syst Rev 2018; 12:CD012280. [PMID: 30536366 PMCID: PMC6517034 DOI: 10.1002/14651858.cd012280.pub2] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
BACKGROUND People undergoing multimodal cancer treatment are at an increased risk of adverse events. Physical fitness significantly reduces following cancer treatment, which is related to poor postoperative outcome. Exercise training can stimulate skeletal muscle adaptations, such as increased mitochondrial content and improved oxygen uptake capacity may contribute to improved physical fitness. OBJECTIVES To determine the effects of exercise interventions for people undergoing multimodal treatment for cancer, including surgery, on physical fitness, safety, health-related quality of life (HRQoL), fatigue, and postoperative outcomes. SEARCH METHODS We searched electronic databases of the Cochrane Central Register of Controlled Trials (CENTRAL), MEDLINE, Embase, SPORTDiscus, and trial registries up to October 2018. SELECTION CRITERIA We included randomised controlled trials (RCTs) that compared the effects of exercise training with usual care, on physical fitness, safety, HRQoL, fatigue, and postoperative outcomes in people undergoing multimodal cancer treatment, including surgery. DATA COLLECTION AND ANALYSIS Two review authors independently selected studies, performed the data extraction, assessed the risk of bias, and rated the quality of the studies using Grading of Recommendation Assessment, Development, and Evaluation (GRADE) criteria. We pooled data for meta-analyses, where possible, and reported these as mean differences using the random-effects model. MAIN RESULTS Eleven RCTs were identified involving 1067 participants; 568 were randomly allocated to an exercise intervention and 499 to a usual care control group. The majority of participants received treatment for breast cancer (73%). Due to the nature of the intervention, it was not possible to blind the participants or personnel delivering the intervention. The risk of detection bias was either high or unclear in some cases, whilst most other domains were rated as low risk. The included studies were of moderate to very low-certainty evidence. Pooled data demonstrated that exercise training may have little or no difference on physical fitness (VO2 max) compared to usual care (mean difference (MD) 0.05 L/min-1, 95% confidence interval (CI) -0.03 to 0.13; I2 = 0%; 2 studies, 381 participants; low-certainty evidence). Included studies also showed in terms of adverse effects (safety), that it may be of benefit to exercise (8 studies, 507 participants; low-certainty evidence). Furthermore, exercise training probably made little or no difference on HRQoL (EORTC global health status subscale) compared to usual care (MD 2.29, 95% CI -1.06 to 5.65; I2 = 0%; 3 studies, 472 participants; moderate-certainty evidence). However, exercise training probably reduces fatigue (multidimensional fatigue inventory) compared to usual care (MD -1.05, 95% CI -1.83 to -0.28; I2 = 0%; 3 studies, 449 participants moderate-certainty evidence). No studies reported postoperative outcomes. AUTHORS' CONCLUSIONS The findings should be interpreted with caution in view of the low number of studies, the overall low-certainty of the combined evidence, and the variation in included cancer types (mainly people with breast cancer), treatments, exercise interventions, and outcomes. Exercise training may, or may not, confer modest benefit on physical fitness and HRQoL. Limited evidence suggests that exercise training is probably not harmful and probably reduces fatigue. These findings highlight the need for more RCTs, particularly in the neoadjuvant setting.
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Affiliation(s)
- Lisa A Loughney
- Dublin City UniversitySchool of Health and Human PerformanceDublin 9Ireland
- University of Southampton NHS Foundation Trust / University of SouthamptonRespiratory and Critical Care Research Theme, Southampton NIHR Biomedical Research CentreSouthamptonUKSO16 6YD
| | - Malcolm A West
- University of Southampton NHS Foundation Trust / University of SouthamptonRespiratory and Critical Care Research Theme, Southampton NIHR Biomedical Research CentreSouthamptonUKSO16 6YD
- University of SouthamptonAcademic Unit of Cancer Sciences, Faculty of MedicineSouth Academic BlockTremona RoadSouthamptonUKSO16 6YD
- University of SouthamptonIntegrative Physiology and Critical Illness Group, Clinical and Experimental SciencesSouthamptonUKSO16 6YD
| | - Graham J Kemp
- University of SouthamptonIntegrative Physiology and Critical Illness Group, Clinical and Experimental SciencesSouthamptonUKSO16 6YD
- University of LiverpoolDepartment of Musculoskeletal Biology and MRC – Arthritis Research UK Centre for Integrated research into Musculoskeletal Ageing (CIMA), Faculty of Health and Life SciencesLiverpoolUK
| | - Michael PW Grocott
- University of SouthamptonIntegrative Physiology and Critical Illness Group, Clinical and Experimental SciencesSouthamptonUKSO16 6YD
- University Hospital Southampton NHS Foundation TrustAnaesthesia and Critical Care Research UnitSouthamptonUK
| | - Sandy Jack
- University of SouthamptonIntegrative Physiology and Critical Illness Group, Clinical and Experimental SciencesSouthamptonUKSO16 6YD
- University Hospital Southampton NHS Foundation TrustAnaesthesia and Critical Care Research UnitSouthamptonUK
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