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Trial registered on ANZCTR
Registration number
ACTRN12608000629336
Ethics application status
Approved
Date submitted
1/10/2008
Date registered
12/12/2008
Date last updated
12/12/2008
Type of registration
Retrospectively registered
Titles & IDs
Public title
The efficacy of selected complementary and alternative medicines & therapies in the prevention and treatment of delayed onset muscle soreness (DOMS) and muscle damage in sub-elite athletes.
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Scientific title
The efficacy of selected complementary and alternative medicines & therapies including Perna canaliculus, Harpagophytum procumbens, Arnica Gel, and Tienchi ginseng in the prevention and treatment of delayed onset muscle soreness (DOMS) and muscle damage in sub-elite athletes.
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Universal Trial Number (UTN)
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Delayed Onset Muscle Soreness
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Condition category
Condition code
Alternative and Complementary Medicine
3953
3953
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0
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Herbal remedies
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Alternative and Complementary Medicine
3954
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0
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Other alternative and complementary medicine
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Musculoskeletal
3955
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0
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Other muscular and skeletal disorders
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Intervention Group 1: Perna canaliculus (green lipped muscle) – capsule form (50mg per capsule). Dosage 2 oral capsules in the morning and evening with meals for eight weeks prior to the down hill run and for three days after.
Intervention Group 2: Harpagophytum procumbens (Devil’s Claw) – liquid form (500mg per millilitre). Dosage 10ml orally daily for six weeks prior to the down hill run and four days after.
Intervention Group 3: Arnica Gel (10mg per gram) – topical application, directions to rub into the quadriceps straight after the down hill run and then every four hours (excluding sleeping hours) for five consecutive days.
Intervention Group 4: Tienchi ginseng – oral tablet form (1000mg per tablet). Dosage 4 tablets, four times daily. Taken 1 hour prior to the down hill run and then for the next consecutive four days.
The down hill run consists of 5 bouts of 8 minute down hill running (-10% gradient) with 2 minute rest intervals walking on the flat.
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Intervention code [1]
3493
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Prevention
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Comparator / control treatment
Control Group 1 - Placebo in 50mg capsule form containing olive oil. Dosage is 2 oral capsules in the morning and evening with meals for eight weeks prior to the down hill run and for three days after.
Control Group 2 - Placebo in 500ml liquid form containing 45% ethanol, coloured and flavoured with gentian, chocolate brown colour and permacol black. Dosage 10ml orally daily for six weeks prior to the down hill run and four days after.
Control Group 3 – Placebo tube of clear base gel for topical application. Directions: rub into the quadriceps straight after the down hill run and then every four hours (excluding sleeping hours) for five consecutive days.
Control Group 4 – Placebo in oral tablet form (containing, calcium & magnesium salts, microcrystalline cellulose, sodium starch glycollate, colours & flavours). Dosage 4 tablets, four times daily. Taken 1 hour prior to the down hill run and then for the next consecutive four days.
The down hill run consists of 5 bouts of 8 minute down hill running (-10% gradient) with 2 minute rest intervals walking on the flat.
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Control group
Placebo
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Outcomes
Primary outcome [1]
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Increase or maintenance of performance through jump squat & Kinetic Communicator (Kin/Com).
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Assessment method [1]
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Timepoint [1]
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6 weeks prior to the down hill run, baseline, 5 minutes post, 4 hours post, 24 hours post, 48 hours post down hill run.
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Primary outcome [2]
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Pain measured subjectively and objectively through the Visual Analogue Scale (VAS) & algometer.
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Assessment method [2]
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Timepoint [2]
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6 weeks prior to the down hill run, baseline, 5 minutes post, 4 hours post, 24 hours post, 48 hours post down hill run.
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Secondary outcome [1]
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Identification of changes in the blood markers that may indicate inflammation and muscle degeneration. Blood analysis to identify the presence of muscle damage markers include Creatine Kinase and Myoglobin, Acute Phase Response Markers include Interleukin-1, Interleukin-6, Tumour Necrosis Factor-? and C-Reactive Protein that may indicate inflammation.
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Assessment method [1]
8201
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Timepoint [1]
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Baseline, 5 minutes post, 4 hours post, 24 hours post, 48 hours post the down hill run.
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Eligibility
Key inclusion criteria
Trained athletes of sub-elite level
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Minimum age
18
Years
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Maximum age
35
Years
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Sex
Males
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Can healthy volunteers participate?
Yes
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Key exclusion criteria
Gastric and/or duodenal ulcers, or gallstones, allergies to shellfish products, diet excessive in fatty fish (i.e. high in eicosapentaenoic acid (EPA), and docosahexaenoic acid (DHA) and omega 3 fatty acids)
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Study design
Purpose of the study
Prevention
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Allocation to intervention
Randomised controlled trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
At session 1 (-6 weeks) all eligible participants will complete a beep test session which will be used to match subjects according to their DOMS response and anthropometric data (height, weight, body mass index, activity and training history). This will enable matching of participants before randomisation to minimise inter-individual variability. Participants will then be randomly assigned active or placebo medication by a computerised random number generator and matched up by an independent party to allow double blinding.
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Randomisation will be conducted by computer. Patients and investigating staff will be blinded to treatment allocation.
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Masking / blinding
Blinded (masking used)
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Who is / are masked / blinded?
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Intervention assignment
Parallel
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Other design features
Placebo controlled and four treatment arms.
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Phase
Phase 2
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Type of endpoint/s
Efficacy
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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Date of first participant enrolment
Anticipated
1/01/2005
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Actual
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
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Actual
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Sample size
Target
96
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
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Funding & Sponsors
Funding source category [1]
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University
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Name [1]
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University of Western Sydney
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Address [1]
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Locked Bag 1797
Penrith South DC
NSW 1797
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Country [1]
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Australia
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Funding source category [2]
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Government body
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Name [2]
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Australian Institute of Sport
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Address [2]
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PO Box 176
Belconnen
ACT
NSW 2616
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Country [2]
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Australia
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Primary sponsor type
University
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Name
University of Western Sydney
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Address
Locked Bag 1797
Penrith South DC
NSW 1797
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Country
Australia
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Secondary sponsor category [1]
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Government body
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Name [1]
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Australian Institute of Sport
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Address [1]
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PO Box 176
Belconnen
ACT
NSW 2616
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Country [1]
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Australia
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
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University of Western Sydney Human Research Ethics Committee
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Ethics committee address [1]
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Locked Bag 1797 Penrith South DC NSW 1797
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Ethics committee country [1]
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Australia
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Date submitted for ethics approval [1]
6028
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Approval date [1]
6028
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15/07/2004
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Ethics approval number [1]
6028
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HREC04/158
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Ethics committee name [2]
6029
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Australian Institute of Sport Ethics Committee
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Ethics committee address [2]
6029
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Ethics committee country [2]
6029
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Australia
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Date submitted for ethics approval [2]
6029
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Approval date [2]
6029
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20/08/2004
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Ethics approval number [2]
6029
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20040805
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Summary
Brief summary
Delayed Onset Muscle Soreness (DOMS) and muscle damage are common and expected self-limiting sports training related conditions that can result in a loss of muscle force and significant pain. For athletes required to train and compete in close succession, DOMS can pose an obstacle to optimal performance. At present there are multiple methods for treating DOMS. Methods include; cryotherapy, anti-inflammatory medications, stretching, hypo-baric oxygen therapy, homeopathy, ultrasound, E-stimulation, L-carnitine, rest and light exercise. To date, a sound and consistent treatment for DOMS has not been established. High-quality scientific research into Complementary and Alternative Medicines (CAM) and DOMS is limited despite the increase usage of such products by athletes. This is a randomised, double blind, placebo controlled trial that looks at four selected CAM’s in four sub-studies and their effect on DOMS and muscle damage in sub-elite athletes.
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Trial website
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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Address
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Country
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Phone
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Fax
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Email
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Contact person for public queries
Name
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Centre for Complementary Medicine Research
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Address
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Locked Bag 1797
Penrith South DC
NSW 1797
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Country
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Australia
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Phone
12152
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+61 2 4620 3284
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Fax
12152
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Email
12152
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[email protected]
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Contact person for scientific queries
Name
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Centre for Complementary Medicine Research
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Address
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Locked Bag 1797
Penrith South DC
NSW 1797
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Country
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Australia
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Phone
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+61 2 4620 3284
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Fax
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Email
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[email protected]
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No information has been provided regarding IPD availability
What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
Documents added manually
No documents have been uploaded by study researchers.
Documents added automatically
No additional documents have been identified.
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