- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02005354
Does Trans-Cutaneous Electrical Nerve Stimulation (TENS) Alleviate The Pain Experienced During Bone Marrow Sampling? (TENS)
Does Trans-Cutaneous Electrical Nerve Stimulation (TENS) Alleviate The Pain Experienced During Bone Marrow Sampling in Addition to Standard Techniques?A Randomised, Double-Blinded, Controlled Trial
The approach of this study will be to answer the question does high-frequency stimulation Trans-Cutaneous Electrical Nerve Stimulation (TENS) alleviate the pain experienced during the bone marrow sampling procedure in addition to the standard analgesia given (ie. local anaesthetic with or without inhaled nitrous oxide).
Null hypothesis: TENS does not alleviate the pain experienced during the bone marrow sampling procedure in addition to the standard analgesia given
Study Overview
Status
Conditions
Detailed Description
Patients in whom a bone marrow biopsy is planned will be randomised to one of two groups - a control-TENS group where the TENS machine will be set at the lowest sensory threshold and an intervention-TENS group where the TENS machine will be set at a recognised analgesic level (>50 Hertz (Hz) and below the pain threshold for the patient) (Bennett et al. 2011). The identity of the TENS type will be concealed from both the patient and the doctor performing the biopsy. The primary outcome will be pain and this will be recorded by the patient immediately after the procedure using a validated numerical scale (0-10). All patients will receive standard pain relief (ie. local anaesthetic with or without inhaled nitrous oxide).
The benefit of this study is to establish whether or not TENS can benefit patients as an additional, safe, non-invasive and inexpensive method of pain relief during this frequently painful procedure.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
Devon
-
Plymouth, Devon, United Kingdom, PL6 8DH
- Plymouth Hospitals Nhs Trust
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Participant is willing and able to give informed consent for participation in the study.
- Male or Female, aged 18 years or above.
- Participants are those medical patients seen in the haematology outpatients clinic for whom a bone-marrow trephine biopsy is deemed necessary either for diagnosis, staging or disease monitoring purposes. Participants are either new patients or routine follow ups.
- Participant is able (in the Investigators opinion) and willing to comply with all study requirements.
- Participant is willing to allow his or her General Practitioner to be notified of participation in the study.
Exclusion Criteria:
- Any known adverse reaction to high-frequency TENS or electrode gel pads
- Any significant disease or disorder which, in the opinion of the Investigator, may either put the participants at risk because of participation in the study, or may influence the result of the study, or the participant's ability to participate in the study.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: PREVENTION
- Allocation: RANDOMIZED
- Interventional Model: PARALLEL
- Masking: DOUBLE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: Trans-cutaneous Electrical Nerve Stimulation (TENS)
The Intervention-TENS group will have 2 electrodes applied proximal to the painful area along neuro-anatomical distribution (electrode-one placed 5cm superior and 2cm medial to the posterior superior iliac spine and electrode-two placed 5cm medial to the posterior superior iliac spine) in the same way as the control-TENS group. The concealed electrical parameter in this group will be within the therapeutic window, that is, well above the sensory detection threshold but below the pain threshold giving a "strong but comfortable sensation". From previous studies, this is likely to be 50-110Hz. The device will be activated prior to entry into the treatment room and 2 minutes before administration of local anaesthetic and for 2 minutes after removal of the biopsy needle. This will cover the expected duration of pain as assessed in the pilot study. All patients will receive standard pain relief (ie. local anaesthetic with or without inhaled nitrous oxide) |
Patients in whom a bone marrow biopsy is planned will be randomised to one of two groups - a Placebo Comparator group where the TENS machine will be set at the lowest sensory threshold and an Active Comparator group where the TENS machine will be set at a recognised analgesic level (>50Hz and below the pain threshold for the patient).
All patients will receive standard pain relief (ie.
local anaesthetic with or without inhaled nitrous oxide)
|
Placebo Comparator: Trans-cutaneous Electric Nerve Stimulation (TENS)
Patients in the CT group will have 2 gel-electrodes applied proximal to the sampling area (usually the right posterior superior iliac crest). The Control-TENS device will be identical in appearance to the "Intervention-TENS" device with a functioning display panel. The concealed electrical parameter in this group will be titrated to and set at the sensory detection. All patients will receive standard pain relief (ie. local anaesthetic with or without inhaled nitrous oxide) |
Patients in whom a bone marrow biopsy is planned will be randomised to one of two groups - a Placebo Comparator group where the TENS machine will be set at the lowest sensory threshold and an Active Comparator group where the TENS machine will be set at a recognised analgesic level (>50Hz and below the pain threshold for the patient).
All patients will receive standard pain relief (ie.
local anaesthetic with or without inhaled nitrous oxide)
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Perception of Pain Will be Measured Using a Validated Numerical 0-10 Pain Scale Where 0 = no Pain and 10 = Worst Possible Pain
Time Frame: Post procedure and 24 hours
|
To establish the effect of high-frequency stimulation TENS on the pain experienced by patients undergoing a bone-marrow biopsy, using standard technique with local anaesthetic. The perception of pain will be measured using a pain scale directly after and 24 hours after bone-marrow sampling in patients randomly allocated and blinded to the use of intervention-TENS (IT) or control-TENS (CT) in addition to local anaesthesia. |
Post procedure and 24 hours
|
Collaborators and Investigators
Collaborators
Investigators
- Study Director: Simon AJ Rule, MBChB, MPhil, University Hospital Plymouth NHS Trust
- Principal Investigator: Sarah L Poplar, MB ChB, University Hospital Plymouth NHS Trust
Publications and helpful links
General Publications
- Bennett MI, Hughes N, Johnson MI. Methodological quality in randomised controlled trials of transcutaneous electric nerve stimulation for pain: low fidelity may explain negative findings. Pain. 2011 Jun;152(6):1226-1232. doi: 10.1016/j.pain.2010.12.009. Epub 2011 Mar 23.
- Tucker DL, Rockett M, Hasan M, Poplar S, Rule SA. Does transcutaneous electrical nerve stimulation (TENS) alleviate the pain experienced during bone marrow sampling in addition to standard techniques? A randomised, double-blinded, controlled trial. J Clin Pathol. 2015 Jun;68(6):479-83. doi: 10.1136/jclinpath-2015-202908. Epub 2015 Mar 10.
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- 13/P/168
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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