Low Anterior Resection Syndrome Clinical Trial
— POLARiSOfficial title:
A Feasibility, Multicentre Randomised Control Trial Assessing the Treatment Options for Patient With Major Low Anterior Resection Syndrome to Establish a Pathway Of Low Anterior Resection Syndrome Relief After Surgery
Verified date | November 2022 |
Source | Cardiff and Vale University Health Board |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
Currently, no standard exists for the treatment and management of Low Anterior Resection Syndrome (LARS)- a common disorder that affects patients who have had part of their bowel removed due to colorectal cancer. Decisions about which treatment patients receive is at the discretion of local clinicians, leading to a variation in both clinical practice and the outcomes of these patients. As a result, there is a need for research to assess what treatments are most effective in treating or managing LARS to establish a consensus and develop a treatment pathway in the UK. This study aims to assess the feasibility of undertaking such a trial utilising a novel 'trial within cohorts (TWiCs)' study design, with a view to informing the design of a full-scale trial.
Status | Active, not recruiting |
Enrollment | 187 |
Est. completion date | September 30, 2023 |
Est. primary completion date | September 30, 2023 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility | Inclusion Criteria: - For cohort: - Diagnosis of rectal or sigmoid cancer - Low or high anterior resection (colorectal resection with anastomosis to the rectum) - Functioning anastomosis - Aged 18 years and older - Primary surgery/reversal of ileostomy less than 10 years before recruitment - Reversal of ileostomy at least 12 weeks prior to recruitment with at least a further 12 weeks of standard care to manage symptoms following reversal - Willing and able to provide valid informed consent - For randomisation: - Recruited to cohort study - Willing and able to provide valid informed consent for randomisation - Major LARS symptoms (Defined as score of 30+ on LARS scoring tool) - Previous unsuccessful conservative treatment determined by treating clinician and patient Exclusion Criteria: - For cohort - Inability to understand and complete study questionnaires independently. (Due to cognitive or intellectual impairment, Due to insufficient English language skills) - For randomised control trial - Pregnancy - No previous conservative treatment plan for the management of LARS - Does not meet any treatment-specific criteria - For TAI randomisation: - Unable to perform TAI - History of anastomotic leak with evidence of ongoing leak/sinus - Previous use of TAI for LARS - Site unable to offer TAI as a treatment - Any other contraindications advised by the care team, product manufacturer or distributor - For SNM randomisation: - <12months since primary cancer surgery - Palliative disease - Site unable to offer SNM as a treatment - Previous SNM - Specific contraindications to implantation - Any other contraindications advised by the care team, product manufacturer or distributor. |
Country | Name | City | State |
---|---|---|---|
United Kingdom | Julie Cornish | Cardiff | |
United Kingdom | Leeds Teaching Hospital NHS Trust | Leeds | Yorkshire |
United Kingdom | Royal Gwent Hospital | Newport | |
United Kingdom | University Hospital Southampton NHS Foundation Trust | Southampton | Hampshire |
Lead Sponsor | Collaborator |
---|---|
Cardiff and Vale University Health Board | Aneurin Bevan University Health Board, Bowel Research UK, The Leeds Teaching Hospitals NHS Trust, University Hospital Southampton NHS Foundation Trust, University of Leeds |
United Kingdom,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Recruitment rate of to cohort arm of study | The total number of participants enrolled into the study over the recruitment period. | 9 months | |
Primary | Assess characteristics of patients recruited to the cohort | We will record basic demographics, medical history and prevalence of relative symptoms of participants enrolled in the cohort study to describe the characteristics of no- minor- and major- LARS patients | 9 months | |
Primary | Prevalence of 'major LARS' in the patient cohort | The number of participants in the cohort that meet the criteria for 'major low anterior resection syndrome (LARS)', as measured by the LARS scoring tool. LARS scoring tool produces a score from 0 - 42, which represents the severity of symptoms, where 0 is least severe and 42 is most severe. Score =>30 is considered 'major LARS'. LARS score will be measured at 5 times at 3-monthly intervals over 12 months. | 12 months | |
Primary | Onset of 'major LARS' symptoms in relation to surgery | The time (in months) from resection surgery to onset of 'major LARS' symptoms, as reported by the LARS scoring tool. | Time from surgery to onset of major LARS, up to 10 years. | |
Primary | Onset of 'major LARS' symptoms in relation to radiotherapy treatment | The time (in months) from completing radiotherapy treatment to onset of 'major LARS' symptoms, as reported by the LARS scoring tool. | Time from ending radiotherapy treatment to onset of major LARS, up to 10 years. | |
Primary | Recruitment rate to randomised trial part of the study | The total number of cohort participants that are enrolled into the randomised trial part of the study, over the recruitment period. | 9 months | |
Primary | Proportion of randomised participants that are allocated to each trial arm | The proportion of randomised participants that meet the criteria for, and are allocated to, each of the three trial arms (transanal irrigation; sacral neuromodulation; optimised conservative management). | 9 months | |
Primary | Describe variation in clinical practice across UK sites | Where possible, we will record patient's previous treatments and interactions with health services in relation to their bowel dysfunction symptoms. This will be used to describe the variation in UK clinical practice in terms of diagnosis, management and treatment pathways. | Up to 10 years prior to recruitment | |
Primary | Compliance of participants to the study programme | The proportion of participants that complete and return follow-up questionnaires (four questionnaires at 3-month intervals). | 12 months | |
Primary | Adherence of participants to the treatment programme | The proportion of patients that continue to receive the treatment assigned to them at the end of the follow-up period. | 12 months | |
Secondary | Change in LARS score | LARS score will be measured at 5 time points (at 3-monthly intervals from baseline to 12 months) to assess severity of bowel dysfunction. Self-reported by participants using the LARS scoring tool (min 0, max 42) where higher score denotes greater severity of symptoms. | 12 months. | |
Secondary | Change in EuroQuol 5-Dimension Health-related Quality of Life instrument (5-level) (EQ-5D-5L) | Patient-reported quality of life will be measured using the EuroQuol 5-Dimension Health-related Quality of Life instrument (5-level) (EQ-5D-5L) at 5 time-points (3-monthly intervals from baseline to 12 months). Quality of life total score will be calculated (min 5; max 25), where reduction in total score represents improvement in quality of life. | 12 months | |
Secondary | Change in European Organisation for Research and Treatment of Cancer Colorectal Quality of Life Questionnaire | Quality of life will be self-reported by participants using the European Organisation for Research and Treatment of Cancer Colorectal Quality of Life Questionnaire (EORTC QLQ-CR29) at 5 time-points (3-monthly intervals, from baseline to 12 months). Quality of life total score will be calculated (min 26; max 104) where reduction in total score represents improvement in quality of life. | 12 months | |
Secondary | Change in European Organisation for Research and Treatment of Cancer Cancer Quality of Life Questionnaire | Quality of life will be self-reported by participants using the European Organisation for Research and Treatment of Cancer Cancer Quality of Life Questionnaire (EORTC QLQ-C30). This will be recorded at 5 time-points (3-monthly intervals, from baseline to 12 months). Total score will be calculated (min 30; max 128), where reduction in total score represents improvement in quality of life. | 12 months | |
Secondary | Change in medical outcome profile score | Measure Yourself Medical Outcome Profile (MYMOP) 2 will be used to record patient-reported medical outcome profile at 5 time-points (3-montly intervals from baseline to 12 months). Change in patient-reported severity (min 0; max 5) will be measured, where change = 1.0 is considered clinically significant. | 12 months | |
Secondary | Patient-reported adverse events | We will record any adverse events reported by randomised patients in relation to each of the treatments they receive, which impairs their adherence to the study protocol, treatment programme or safety. | 12 months | |
Secondary | LARS treatment history | Treatments offered to manage individual patient's LARS symptoms will be recorded, along with duration of treatment and reasons for stopping. This will be used to support the description of standard care variation and patient characteristics. | 12 months |
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