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Study Protocol
Revised

A scoping review protocol of the rehabilitation needs of people with brain tumours

[version 2; peer review: 2 approved]
PUBLISHED 29 Jan 2024
Author details Author details
OPEN PEER REVIEW
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Abstract

Background

Every year 480 people are diagnosed with a primary brain tumour in Ireland. Brain tumours can vary in type, location, treatment, and progression but neurological impairments are a consistent feature. Such neurological disability creates significant symptom burden that can seriously impact peoples’ functional ability and quality of life. Rehabilitation can improve functional prognosis (motor and cognitive) and quality of life in people with brain tumours. However, research and experience consistently show that people with brain tumours can have difficulties accessing rehabilitation services. Our scoping review will investigate the research evidence concerning the rehabilitation needs of people with brain tumours.

Methods

The scoping review will be conducted in line with Preferred Reporting Items for Systematic reviews and Meta-Analyses extension for Scoping Reviews (PRISMA-ScR) reporting guidelines. Relevant databases (PubMed, Embase, CINAHL+, PsychINFO, PEDro) and grey literature sources will be searched. Publications relating to international rehabilitation practices will be included. A data extraction table will be created to facilitate narrative synthesis of the results.

Conclusions

This scoping review will examine the scope of the literature on the rehabilitation needs of people with brain tumours. The findings will inform a research project entitled “Surgery, radiotherapy, chemotherapy, but now what? Exploring the rehabilitation needs of people with brain tumours in Ireland”. An article reporting the results of the scoping review will be submitted to a scientific journal and presented at relevant national and international conferences.

Keywords

Rehabilitation, Brain tumour, Physical therapy, Occupational therapy, Interventions, Scoping review, Study protocol

Revised Amendments from Version 1

Following the comments of reviewers, we now present an updated version of the scoping review protocol, with some changes to improve clarity. Definitions of ‘Rehabilitation’ and ‘rehabilitation needs’ are now included. In addition amendments have been made to the Methods section and tables 1 and 2 in relation to expanded inclusion criteria, recommended search terms and data extraction of intervention studies.

To read any peer review reports and author responses for this article, follow the "read" links in the Open Peer Review table.

Introduction

In Ireland an average of 480 people are diagnosed with a primary brain tumour every year1. A large number of people with other cancers—estimated at 9%—develop secondary brain tumours (metastases)2. In general brain and central nervous system (CNS) tumours have a younger age-profile than many common cancers—median age at diagnosis for all Irish brain and CNS patients was 58 years from 1994–20131. Brain tumours can shorten lifespan and create significant symptom burden as a result of neurological impairment3. Symptoms can impact on the quality of life of brain tumour survivors—impacting people’s ability to work/travel, contributing to relational strain, depression, anxiety and increasing financial concerns4.

Rehabilitation is described as “a set of interventions designed to optimize functioning and reduce disability in individuals with health conditions in interaction with their environment”5. It is a process that seeks to optimise patients’ independence and quality of life. Core values of rehabilitation practice include holistic collaboration within multi-disciplinary teams, collaborative goal-setting as well as education/training for patients and families. Physical/occupational therapy are frequently used to improve patients’ functioning in daily life and regain independence. Brain tumours present specific rehabilitation challenges. Early rehabilitation is important to employ neuroplasticity and reduce potential complications6. However, the timing of rehabilitation is complicated by lengthy chemotherapy and/or radiotherapy treatment and side effects, leading to difficulty in determining the best time to emphasise rehabilitation. Furthermore, physical and cognitive impairments can fluctuate depending on whether the tumour responds to treatment or not, leading to difficulty with goal-setting around restorative versus adaptive rehabilitation. Given this heterogeneity and complexity, to date, there is a lack of evidence-based guidance on the rehabilitation needs and service use of people with brain tumours.

Nonetheless, some evidence has emerged that rehabilitation can improve functional prognosis (motor and cognitive) and quality of life in people with brain tumours7,8. A randomised controlled trial (RCT) in Denmark found significant within-group improvements to aerobic power and lower and upper limb strength following rehabilitation intervention9. However, the small sample size (64 participants) was insufficient to determine superiority of the rehabilitation intervention compared to control. Research in acquired brain injury overall has shown that early access to rehabilitation can reduce potential complications, length of stay in hospital and improve patient outcomes6,10. Despite a general consensus on the therapeutic value of rehabilitation, it is recognised that there is significant lack of provision within existing neuro-rehabilitation services for people with brain tumours, who often experience difficulties accessing services6,11. Given the potential to benefit from rehabilitation, there is a need to synthesise current evidence to guide service provision and identify gaps for future research.

As part of the BRAIN-RESTORE programme of research, we aim to explore and understand the rehabilitation needs of people with brain tumours, to guide the development of effective rehabilitation services in Ireland. Rehabilitation needs are defined as any difficulty that might reduce functioning or cause disability for people living with/treated for brain tumours5. The BRAIN-RESTORE study has four interlinked work packages—a scoping review, cross sectional survey, epidemiological study and prospective study. The focus of this protocol is the scoping review which will review previous literature and research on rehabilitation needs of people with brain tumours.

Aims/Objectives

The aim of this scoping review is to examine international evidence on rehabilitation needs of people with brain tumours and report rehabilitative interventions that have been investigated in the literature.

The specific objectives of the review are:

  • TEXT

  • 1) To determine the extent and scope of current evidence on rehabilitation needs in people with brain tumours.

  • 2) To chart the landscape of the types and range of interventions (physical and cognitive) for people with brain tumours.

  • 3) To identify gaps in the literature for future research.

Methods

Scoping studies are used to identify gaps in the existing literature and was selected as appropriate to meet the aims and objectives of this research12. This scoping review was registered with the Open Science Framework13. The overall conduct of the scoping review is informed by the JBI framework, while the Preferred Reporting Items for Systematic Reviews and Meta-analysis extension for scoping reviews (PRISMA-ScR) will be used to guide the reporting of the scoping review14.

Research question

A scoping review will be conducted to explore the question: What is known from empirical research about the rehabilitation needs of people with brain tumours and how these needs might be addressed?

Study selection

The specific remit of the scoping review is to examine the rehabilitation needs of adult patients who were diagnosed with brain tumour. For the purposes of this research rehabilitation needs are any difficulties that might reduce functioning or cause disability, measured using quantitative or qualitative methods. In addition the International Classification of Functioning, Disability and Health (ICF) framework - which describes functioning and disability in relation to a health condition - will be used to identify needs pertaining to motor, sensory, cognitive, speech functions and activities of daily living, including moving around, transferring oneself or walking15. Full details of inclusion and exclusion criteria are presented below in Table 1. Inclusion criteria for studies are (i) adult patients (≥18 years); (ii) confirmed diagnosis of brain tumour according to WHO Classification of Central Nervous System tumours (iii) studies that examine the rehabilitation needs of people with primary/secondary (metastatic) brain tumours (iv) studies that describe patient outcomes related to rehabilitation interventions (physical and cognitive). Opinion pieces, editorials and commentaries will be excluded.

Table 1. Details of inclusion/exclusion criteria.

CriteriaInclusionExclusion
PopulationAged 18 years or older
Confirmed diagnosis of brain tumour (WHO
2021 Classification of Central Nervous System
tumours (a. Glioma, glioneuronal and neuronal
tumour, ependymoma; b. Cranial nerve tumour;
c. Meningioma))
Primary/secondary brain tumours
Aged 17 years
or younger
InterventionNeuro-rehabilitation servicesNot applicable
OutcomesAny patient outcomes related to rehabilitation
care
Any patient outcomes related to rehabilitation
interventions
Physical needs e.g., symptom burden, fatigue
Cognitive needs e.g., impaired memory/executive
function
Psychosocial needs e.g., anxiety, depression,
quality of life
Resultant rehabilitation needs (physical &
cognitive)
Socioeconomic needs e.g., financial burden
Views of rehabilitation care – patients, HCP,
carers, families.
Studies
testing the
psychometric
properties of
patient health
measures.
Study DesignStudies with empirical
research methods (e.g., randomized control
trials, longitudinal intervention studies, case
control studies, cohort studies, and cross-
sectional studies)
Reviews
Non-empirical
literature
(e.g., opinion
pieces,
editorials)
ReportingEnglish language
Sufficient detail on unmet rehabilitation needs
Sufficient detail on results*
Not applicable

*enough data reported in the results to be extracted from the paper and reported on in a meaningful manner according to our specified data extraction format. WHO, World Health Organization; HCP, healthcare personnel.

Identifying relevant studies

The search strategy will be determined by the research team in consultation with a specialist librarian. Combinations of disease terms, rehabilitation terms and terms related to rehabilitation needs will be adapted from previous research8. A sample search strategy can be found in Table 2. Reference lists from papers of eligible studies and relevant journals will be checked to identify any potentially eligible articles that might have been missed by the electronic searches. The search will be conducted for research from 2003–2023 and will be restricted to English language papers only.

Table 2. Search terms and strategy for databases.

Databases
2003-2023
Search strategy
EMBASE
PubMed
CINAHL
complete
PsychINFO
PEDro
(MH "Brain Neoplasms+") OR (Brain tumo*
OR brain cancer* OR brain Metastas* OR
brain neoplasm* OR malignant brain tumo*
OR cerebral cancer* OR cerebral tumo* OR
Glioblastoma multiforme OR Glioma* OR
((Brain OR Cranial) AND (tumo* OR
Neoplasm OR Cancer))
AND
“rehabilitation” OR “physical therapy” OR
“physical outcomes” OR “behaviour
therapy” OR “behavior therapy” OR
“cognitive therapy” OR “cognitive
outcomes” OR “functional outcomes” OR
“rehabilitation intervention”
OR
"cognitive rehabilitation" OR "speech
therapy" OR "neurocognitive rehabilitation"
OR" neuropsychological rehabilitation" OR
"non-pharmacological intervention" OR
"health behavior change"*
AND
“unmet needs” OR “rehabilitation needs”
OR “patient* needs” OR “rehabilitation
assessment” OR “rehabilitation care needs”
OR “quality of life” OR “symptom burden”

*terms included to capture US clinical care/research terms

Charting the data. At least two reviewers will independently screen titles and abstracts of records using reference management software, screening tools (e.g., COVIDENCE). Full text versions of potentially eligible papers will be examined to independently assess their suitability. Any disagreements will be solved by consensus or discussion by the research team. Data will be extracted on the following fields: (a) authors, study design, setting, year and country of study, data collection time period; (b) study population; (c) rehabilitation need investigated or rehabilitation intervention (as per WHO package of interventions for rehabilitation: module 7: malignant neoplasms)16; (d) data collection method and instruments used, and (e) main results.

Collating and summarising results

A narrative synthesis of the data will be undertaken, with a structure based on: (i) the overall rehabilitation needs of people with brain tumours; (ii) evidence of unmet rehabilitation needs; (iii) interventions delivered. Where appropriate, illustrative quotes from study participants will be included. The results will be reported in the completed scoping review and presented in a PRISMA-ScR flowchart with a narrative summary.

Discussion

This protocol describes the process and plans for a scoping review investigating the rehabilitation needs of people with brain tumours. It defines the objectives, methods, inclusion/exclusion criteria, data extraction and how results will be reported. The publication of the protocol is important in limiting reporting bias and may also be a useful tool for researchers preparing projects of evidence-synthesis related to rehabilitation needs or practices. Despite agreement among healthcare personnel (HCP) on the therapeutic value of rehabilitation, rehabilitation approaches for brain tumours are frequently lacking in clinical practice guidelines and “best current practice” is not defined14. Brain tumour rehabilitation is complex with multiple challenges, however it is vital that the rehabilitation needs of patients are addressed, as rehabilitation services can lead to improved function and overall improvement in health-related quality of life. International evidence suggests that patients with primary brain tumours have unmet rehabilitation needs and a gap between patients’ needs and their use of multidisciplinary supports services can frequently exist9,1720. Evidence from this proposed scoping review has the potential to contribute to the wider literature and provide data on the impact of unmet needs on the lives of brain tumour survivors with limited/no access to rehabilitation services.

Conclusion

This protocol presents our plans for a scoping review that will contribute to the evidence base of neuro-rehabilitation practices in Irish healthcare. The protocol describes the background and research methodology of a systematic research process. We consider findings emerging from the proposed scoping review will inform the development of evidence based, high quality rehabilitation services.

Study status

The study has commenced (March 2023), with expected completion of the scoping review by November 2025.

Dissemination

An article reporting the results of the scoping review will be submitted to a scientific journal and presented at relevant national and international conferences.

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Version 2
VERSION 2 PUBLISHED 07 Sep 2023
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CITE
how to cite this article
O'Donovan B, Malone A, Horgan F and Bennett K. A scoping review protocol of the rehabilitation needs of people with brain tumours [version 2; peer review: 2 approved] HRB Open Res 2024, 6:45 (https://doi.org/10.12688/hrbopenres.13773.2)
NOTE: it is important to ensure the information in square brackets after the title is included in all citations of this article.
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Open Peer Review

Current Reviewer Status: ?
Key to Reviewer Statuses VIEW
ApprovedThe paper is scientifically sound in its current form and only minor, if any, improvements are suggested
Approved with reservations A number of small changes, sometimes more significant revisions are required to address specific details and improve the papers academic merit.
Not approvedFundamental flaws in the paper seriously undermine the findings and conclusions
Version 2
VERSION 2
PUBLISHED 29 Jan 2024
Revised
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Reviewer Report 31 Jan 2024
Emer Guinan, School of Medicine, Trinity College Dublin, The University of Dublin Trinity College, Dublin, Leinster, Ireland 
Approved
VIEWS 8
The authors have made changes to the manuscript in ... Continue reading
CITE
CITE
HOW TO CITE THIS REPORT
Guinan E. Reviewer Report For: A scoping review protocol of the rehabilitation needs of people with brain tumours [version 2; peer review: 2 approved]. HRB Open Res 2024, 6:45 (https://doi.org/10.21956/hrbopenres.15196.r37917)
NOTE: it is important to ensure the information in square brackets after the title is included in all citations of this article.
Version 1
VERSION 1
PUBLISHED 07 Sep 2023
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Reviewer Report 16 Nov 2023
Melissa Brie, Neurological Surgery, Division of Neuro-Oncology, University of California San Francisco, San Francisco, California, USA 
Jennie Taylor, Neurological Surgery, Division of Neuro-Oncology, University of California San Francisco, San Francisco, California, USA 
Approved
VIEWS 20
This article provides a detailed plan of how their proposed scoping review will be performed in order to answer their research question about the rehabilitation needs of people with brain tumors. The results will be very helpful in further characterizing ... Continue reading
CITE
CITE
HOW TO CITE THIS REPORT
Brie M and Taylor J. Reviewer Report For: A scoping review protocol of the rehabilitation needs of people with brain tumours [version 2; peer review: 2 approved]. HRB Open Res 2024, 6:45 (https://doi.org/10.21956/hrbopenres.15066.r36636)
NOTE: it is important to ensure the information in square brackets after the title is included in all citations of this article.
Views
29
Cite
Reviewer Report 16 Oct 2023
Emer Guinan, School of Medicine, Trinity College Dublin, The University of Dublin Trinity College, Dublin, Leinster, Ireland 
Approved with Reservations
VIEWS 29
This scoping review proposes to examine the rehabilitation needs of people with brain tumours. The protocol is well written, clearly described and follows best practice frameworks for the conduct and proposed reporting of the review. Critically this area is completely ... Continue reading
CITE
CITE
HOW TO CITE THIS REPORT
Guinan E. Reviewer Report For: A scoping review protocol of the rehabilitation needs of people with brain tumours [version 2; peer review: 2 approved]. HRB Open Res 2024, 6:45 (https://doi.org/10.21956/hrbopenres.15066.r36120)
NOTE: it is important to ensure the information in square brackets after the title is included in all citations of this article.

Comments on this article Comments (0)

Version 2
VERSION 2 PUBLISHED 07 Sep 2023
Comment
Alongside their report, reviewers assign a status to the article:
Approved - the paper is scientifically sound in its current form and only minor, if any, improvements are suggested
Approved with reservations - A number of small changes, sometimes more significant revisions are required to address specific details and improve the papers academic merit.
Not approved - fundamental flaws in the paper seriously undermine the findings and conclusions

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