Treatment of Dysmenorrhoea With the OVA TENS Apparatus
|First Received Date ICMJE||September 22, 2005|
|Last Updated Date||January 12, 2007|
|Start Date ICMJE||September 2005|
|Primary Completion Date||Not Provided|
|Current Primary Outcome Measures ICMJE
||Change in VAS pain score|
|Original Primary Outcome Measures ICMJE||Same as current|
|Change History||Complete list of historical versions of study NCT00225836 on ClinicalTrials.gov Archive Site|
|Current Secondary Outcome Measures ICMJE||Not Provided|
|Original Secondary Outcome Measures ICMJE||Not Provided|
|Current Other Outcome Measures ICMJE||Not Provided|
|Original Other Outcome Measures ICMJE||Not Provided|
|Brief Title ICMJE||Treatment of Dysmenorrhoea With the OVA TENS Apparatus|
|Official Title ICMJE||Treatment of Dysmenorrhoea With the OVA TENS Apparatus|
Dysmenorrhoea (menstrual pain) is a common complaint among women, leading to use of analgesics, reduced quality of life, and interference with daily activities such as going to work or school.
Transcutaneous electrical nerve stimulation (TENS) is a well established method for treatment of pain. Several clinical studies have shown TENS treatment to be effective against dysmenorrhoea. A TENS apparatus specifically developed for the treatment of dysmenorrhoea has now become commercially available (OVA), but is has not been tested in clinical studies.
This study will be done to evaluate the clinical utility of treatment with OVA in women with primary dysmenorrhoea.
Study aims: To compare perception of dysmenorrhoea with and without use of OVA.
Design: Prospective, clinical study lasting four months. The women will use the OVA apparatus during every other menstruation.
Inclusion: 20 female volunteers with primary dysmenorrhoea.
Exclusion: Pregnancy, either ongoing or planned during the study period. Secondary dysmenorrhoea.
Consent: The participants will receive verbal and written information and will sign a consent form.
Randomisation: The participants are randomised to start with either active treatment or observation by drawing a closed, opaque envelope containing the forms for registration of perception of pain.
Registering pain: The participants will mark their perceived degree of dysmenorrhoea daily on 10 cm visual analogue scale (VAS) during each menstruation.
Filling in forms: During each of the four menstruations throughout the study period the participants will respond daily to the questions on the form and note degree of pain on the VAS. At the end of each menstruation they will mail the current form in a stamped and addressed envelope to the study coordinator.
Statistics: We assume that a difference of 2 VAS-points is required for an effect to be of clinical interest. One-sided t-test for paired data will be used in the analysis.
Power calculation using the statistics program SSD v7.0 has shown that 16 participants is required to demonstrate a difference of 2 points at level of significance p=0.01, 90% power and assumed standard deviation of 2.
|Study Type ICMJE||Interventional|
|Study Phase||Not Provided|
|Study Design ICMJE||Allocation: Randomized
Endpoint Classification: Efficacy Study
Intervention Model: Crossover Assignment
Masking: Open Label
Primary Purpose: Treatment
|Intervention ICMJE||Device: OVA (TENS apparatus)|
|Study Arm (s)||Not Provided|
|Publications *||Not Provided|
* Includes publications given by the data provider as well as publications identified by ClinicalTrials.gov Identifier (NCT Number) in Medline.
|Recruitment Status ICMJE||Completed|
|Completion Date||May 2006|
|Primary Completion Date||Not Provided|
|Eligibility Criteria ICMJE||
|Accepts Healthy Volunteers||Yes|
|Contacts ICMJE||Contact information is only displayed when the study is recruiting subjects|
|Location Countries ICMJE||Norway|
|NCT Number ICMJE||NCT00225836|
|Other Study ID Numbers ICMJE||OVA study|
|Has Data Monitoring Committee||Not Provided|
|Responsible Party||Not Provided|
|Study Sponsor ICMJE||The Hospital of Vestfold|
|Collaborators ICMJE||Vitacon AS, Vegamot 8, 7048 Trondheim, Norway|
|Information Provided By||The Hospital of Vestfold|
|Verification Date||January 2007|
ICMJE Data element required by the International Committee of Medical Journal Editors and the World Health Organization ICTRP