Tibial nerve stimulation to improve bladder symptoms in Parkinson's

ISRCTN ISRCTN11484954
DOI https://doi.org/10.1186/ISRCTN11484954
IRAS number 295856
Secondary identifying numbers IRAS 295856
Submission date
06/05/2021
Registration date
22/06/2021
Last edited
04/03/2025
Recruitment status
No longer recruiting
Overall study status
Completed
Condition category
Nervous System Diseases
Prospectively registered
Protocol
Statistical analysis plan
Results
Individual participant data
Record updated in last year

Plain English Summary

Background and study aims:
Bladder symptoms are extremely common in Parkinson’s disease (PD) and have a profound impact on quality of life. Transcutaneous tibial nerve stimulation (TTNS) is a potential method of treating overactive bladder symptoms in neurological disorders. If effective, this will improve bladder symptoms in PD without side effects encountered with drugs and potentially prevent falls and hospital admission associated with urinary disorders.

Who can participate:
People with Parkinson's with bladder symptoms (not caused by any obvious structural problem)

What does the study involve:
Participants will be allocated to one of two groups, with an equal chance of being in either group (like tossing a coin). One group of participants will be asked to use a small, self-adhesive stimulator device that affects the bladder, called Geko, on the lower leg, twice per week for 30 min at a time, over 12 weeks. The other group of participants will use the same device at a lower stimulation strength that does not affect the bladder. The treatment itself is given at home by the participant. Participants will be asked to rate their bladder symptom score with a questionnaire every other week, and more thorough bladder testing will be organised just before and just after the 12 week period at the Royal United Hospital in Bath (UK). This will require a visit to the research clinic, but the stimulation treatment is given at home by the participants themselves.

What are the possible benefits and risks of participating?
It is hoped that tibial nerve stimulation using the Geko device will improve bladder symptoms. It is hoped that the Geko device will be easy to use without any possible trip hazards of using other methods explored in the past such as TENS machines. The Geko device is already licensed in the UK for another purpose and the only main side effect can be some skin irritation (which is rare).

Where is the study run from?
The University of Bristol (UK)

When is the study starting and how long is it expected to run for?
From February 2021 to April 2024

Who is funding the study?
The Gatsby Charitable Foundation (UK)

Who is the main contact?
Dr Matthew Smith
matthew.smith@bristol.ac.uk

Contact information

Dr Matthew Smith
Public, Scientific

University of Bristol
1-5 Whiteladies Road
Bristol
BS8 1NU
United Kingdom

ORCiD logoORCID ID 0000-0002-5327-369X
Phone +44 117 428 3112
Email matthew.smith@bristol.ac.uk

Study information

Study designSingle-blinded randomized control trial
Primary study designInterventional
Secondary study designRandomised controlled trial
Study setting(s)Home
Study typeTreatment
Participant information sheet No participant information sheet available
Scientific titleSTRIPE (Stimulation of the Tibial nerve Repetitively to Improve Incontinence in Parkinson’s disease Electronically): A randomised controlled trial of tibial nerve stimulation to improve bladder symptoms in patients with idiopathic Parkinson’s disease
Study acronymSTRIPE
Study hypothesisTibial nerve stimulation provided by a novel self-adhesive device will improve bladder symptoms in Parkinson's
Ethics approval(s)Approved 24/06/2021, London - Camden & Kings Cross Research Ethics Committee (NHSBT Newcastle Blood Donor Centre,
Holland Drive, Newcastle/London, NE2 4NQ, UK; +44 (0)207 104 8233; CamdenandKingsCross.REC@hra.nhs.uk), ref: 21/LO/0418, 21/NI/0091
ConditionBladder symptoms in Parkinson's
InterventionTibial nerve stimulation using the Geko device, a self adhesive neuromuscular stimulator.
This will be compared to a placebo arm using this device, in a way that does not provide threshold nerve stimulation. Stimulation will be given twice per week for 30 min, for a period of 12 weeks. Participants will be randomised electronically using a minimisation technique.
Intervention typeDevice
Pharmaceutical study type(s)
PhasePhase II
Drug / device / biological / vaccine name(s)Geko
Primary outcome measureQuality of life measured using the International Consultation on Incontinence Questionnaire Overactive Bladder (ICIQ-OAB) at baseline, 2, 4, 6, 8, 10, 12, 16, 20, and 24 weeks
Secondary outcome measures1. Urinary frequency rate, incontinence episodes, and nocturia measured using a bladder diary at baseline and 12 weeks
2. Quality of life measured using the ICIQ-OABqol and the EuroQol 5-dimension (EQ5D) questionnaires at baseline and 12 weeks
3. Mood measured using the Patient Health Questionnaire-9 (PHQ9) at baseline and 12 weeks
4. Neurogenic bowel dysfunction measured using the Neurogenic bowel score at baseline and 12 weeks
5. Bladder function measured using uroflowmetry and post-void residual at baseline and 12 weeks
6. Autonomic function measured using Scales for Outcomes in Parkinson’s Disease - Autonomic Dysfunction (SCOPA-AUT) questionnaire at baseline and 12 weeks
7. Device tolerability and adverse events measured using participant diaries between baseline and 12 weeks
Overall study start date02/02/2021
Overall study end date01/04/2024

Eligibility

Participant type(s)Patient
Age groupSenior
Lower age limit18 Years
SexBoth
Target number of participants220
Total final enrolment148
Participant inclusion criteria1. Idiopathic Parkinson’s Disease
2. Ability to consent
3. Aged ≥18 years
4. Determined to have significant bladder symptoms as defined by questionnaire response within PRIME-Parkinson study or referred from non-PRIME centres at recommendation of local clinician due to bladder symptoms
Participant exclusion criteria1. Parkinsonism of any other aetiology such as but not limited to drug-induced Parkinsonism (DIP), multiple system atrophy (MSA), corticobasal degeneration (CBD), vascular parkinsonism, and progressive supranuclear palsy (PSP)
2. Clinical diagnosis of dementia
3. Recent bladder medication
4. Implantable electronic device
5. Abnormality of both lower limbs
6. Limited life expectancy
7. Severe BPH or history of urological cancer
Recruitment start date02/09/2021
Recruitment end date09/06/2023

Locations

Countries of recruitment

  • England
  • United Kingdom

Study participating centre

RICE
Royal United Hospital
Coombe Park
Bath
BA1 3NG
United Kingdom

Sponsor information

University of Bristol
University/education

Beacon House
Queens Road
Bristol
BS8 1QU
England
United Kingdom

Phone +44 (0)117 928 9000
Email research-governance@bristol.ac.uk
Website www.bristol.ac.uk
ROR logo "ROR" https://ror.org/0524sp257

Funders

Funder type

Charity

Gatsby Charitable Foundation
Private sector organisation / Trusts, charities, foundations (both public and private)
Alternative name(s)
THE GATSBY CHARITABLE FOUNDATION, GATSBY
Location
United Kingdom

Results and Publications

Intention to publish date06/04/2025
Individual participant data (IPD) Intention to shareYes
IPD sharing plan summaryAvailable on request
Publication and dissemination planPlanned dissemination of results in peer-reviewed journals, national/international conferences, and Parkinsons UK research events
IPD sharing planThe datasets generated during and/or analysed during the current study are/will be available upon request from Dr Matthew Smith (matthew.smith@bristol.ac.uk) after August 2024.

Study outputs

Output type Details Date created Date added Peer reviewed? Patient-facing?
Protocol article 28/10/2022 31/10/2022 Yes No

Editorial Notes

04/03/2025: An email address was changed throughout the record and the intention to publish date was changed from 06/06/2024 to 06/04/2025.
11/10/2023: The following changes were made to the study record:
1. Ethics approval details added.
2. The overall study end date was changed from 04/12/2023 to 01/04/2024.
3. Total final enrolment added.
21/03/2023: The recruitment end date was changed from 09/03/2023 to 09/06/2023.
31/10/2022: Publication reference added.
14/06/2021: Trial’s existence confirmed by London - Camden & Kings Cross Research Ethics Committee.