Knee OsteoarthritisNCT02947451
Immediate Effects of Manual Therapy Versus TENS in Patients With Knee Osteoarthritis
A study testing Manual Therapy and TENS in people with Knee Osteoarthritis, run by Gabriel Peixoto Leão Almeida at 1 site in Brazil.
Trial summary
Patients with knee Osteoarthritis have high prevalence of pain , requiring ever more precise interventions in their management. This study aims to investigate the immediate effects of manual therapy and TENS on pain in patients with knee Osteoarthritis. Read more about this study
- Who is it for?
- Ages 50 years and older
- Conditions the study is for
- Knee Osteoarthritis
- What is being tested?
- Manual Therapy and TENS
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 54 participants
- Where
- 1 siteBrazil
- Study dates
- Nov 2016to Nov 2018
- Phase
- Interventional
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 50 years and older
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- Knee osteoarthritis diagnosed by clinical criteria established by the American College of Rheumatology and radiological criteria of Kelgren-Lawrence
- Age over 50 years
- Pain intensity above 2 on the VAS
Who cannot join
- Other systemic inflammatory disease
- Changes in sensitivity
- Use of anti-inflammatory steroids, tranquillizers and/or antidepressants in the last month
- Analgesic in last 24 hours
- Use of cardiac pacemaker
Trial locations and contacts
1 site in 1 country.
About this study
Patients with knee Osteoarthritis have high prevalence of pain , requiring ever more precise interventions in their management. This study aims to investigate the immediate effects of manual therapy and TENS on pain in patients with knee Osteoarthritis. Knowledge of best interventions favors reducing spending on health and safety for the patient.
Read the detailed description
This study aims to compare the efficacy of manual therapy and TENS for immediate control of pain in patients with knee osteoarthritis. They will be included 62 patients with clinical and radiological diagnosis of knee osteoarthritis, presenting pain of at least 3 in VAS, which are recruited from rheumatology and geriatrics clinics in Fortaleza / CE through a prior screening.
Will be three assessments, prior to the intervention, immediately after it and after 72 hours. The data collected shall appear in individual printed records. Participants will be divided into two therapy groups, of which one will be applied manual therapy and other TENS. There will be randomisation allocation of individuals in the groups and because of the nature of the interventions only the evaluator may be blind.
In manual therapy group will be assigned a protocol with manual passive stretching for the quadriceps muscles, hamstrings, triceps surae, adductors and abductors of the hip; myofascial release peripatellar; joint mobilization grades 1 and 2 for tibiofemoral joint and femoro - patellar in the affected knee.
In TENS group will be applied to continuous current mode, frequency 100Hz and pulse width of 50μs for 40 minutes in a single application. The intensity will be defined by the patient, should the stimulus be considered intense, but pleasant to it.
The Kolmogorov - Smirnov test is used to verify the data distribution normality. The characterization of the participants is performed by means of descriptive statistical analysis. Parametric or non-parametric tests will be used according to the data distribution normality for comparison between groups at baseline. The evaluator blinding will be tested using the chi -square test by comparing the randomization code with the evaluator opinion. The difference between the groups and their respective confidence intervals will be calculated by linear mixed models using interaction term of "time versus group."
- Conditions
- Knee Osteoarthritis
- Being tested
- Manual Therapy, TENS
- Medical subject headings
- Osteoarthritis, Knee
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Manual TherapyOther
In manual therapy group will be assigned a protocol with manual passive stretching for the quadriceps muscles, hamstrings, triceps surae, adductors and abductors of the hip; myofascial release peripatellar; joint mobilization grades 1 and 2 for tibiofemoral joint and femoro - patellar in the affected knee.
Stretching, myofascial release and mobilizations will be held for 30 seconds, with three repetitions of each. The intervention will be applied only once.
TENSOther
Also called Transcutaneous electrical nerve stimulation
In TENS group will be applied to continuous current mode, frequency 100Hz and pulse width of 50μs for 40 minutes in a single application. The intensity will be defined by the patient, should the stimulus be considered intense, but pleasant to it.
| Study group | Role | What they receive |
|---|---|---|
| Manual therapy | Experimental | In manual therapy group will be assigned a protocol with manual passive stretching for the quadriceps muscles, hamstrings, triceps surae, adductors and abductors of the hip; myofascial release peripatellar; joint mobilization grades 1 and 2 for tibiofemoral joint and femoro - patellar in the affected knee, in a single application. Receives: Other: Manual Therapy |
| TENS | Experimental | In TENS group will be applied to continuous current mode, frequency 100Hz and pulse width of 50μs for 40 minutes in a single application. Receives: Other: TENS |
What is being measured
The primary outcome is the main question the study is designed to answer.
Pain intensity in Visual Analogic Scale
It consists of 11 points, ranging from 0 ( no pain) to 10 ( maximum possible pain ), the volunteer instructed to quantify their knee pain present at the time of evaluation.
Measured: Immediately
Pressure Pain Threshold in Algometer
They will be scored 7 points, the first being located at the apex of the patella, the second three cm medial to the apex of the patella, the third two centimeters higher than the second, the fourth two centimeters lower than the second, the fifth three centimeters lateral to the apex of the patella, the sixth two centimeters above the fifth and seventh two centimeters below the fifth.
Participants will be instructed to report to the appraiser whenever the feeling in the stimulus site becomes clearly painful. There will be two measurements at each point, each starting from point 1 to 7. It shall be considered the average of each isolated point and the average of the averages of the points how test result.
Measured: Immediately
Secondary outcomes (3)
Global Rating of Change Scale
Used to evaluate the self- perception of the volunteer about the overall state of the affected knee. It is formed by 11 points, ranging from -5 (much worse), 0 (unchanged) to +5 (completely better), the participant instructed to quantify their perception with the question: "Compared to their condition before the treatment, how would you describe your knee right now?"
Measured: Immediately and 72 hours after intervention
Pain intensity in Visual Analogic Scale 72 hours after intervention
It consists of 11 points, ranging from 0 ( no pain) to 10 ( maximum possible pain ), the volunteer instructed to quantify their knee pain present at the time of evaluation.
Measured: 72 hours after intervention
Pressure Pain Threshold in Algometer 72 hours after intervention
They will be scored 7 points, the first being located at the apex of the patella, the second three cm medial to the apex of the patella, the third two centimeters higher than the second, the fourth two centimeters lower than the second, the fifth three centimeters lateral to the apex of the patella, the sixth two centimeters above the fifth and seventh two centimeters below the fifth.
Participants will be instructed to report to the appraiser whenever the feeling in the stimulus site becomes clearly painful. There will be two measurements at each point, each starting from point 1 to 7. It shall be considered the average of each isolated point and the average of the averages of the points how test result.
Measured: 72 hours after intervention
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted27 Oct 2016 (estimated)
- Study startNov 2016
- Primary completionNov 2016
- Study completionNov 2018
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (25)Papers the sponsor has linked to this study.
- Other trials for Knee OsteoarthritisStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase N/A
- Primary purpose
- Supportive care
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Double blind
- Who is masked
- Investigator, Outcomes assessor
- Enrolment
- 54 participants (actual)
Sponsor and investigators
- Lead sponsor
- Gabriel Peixoto Leão Almeida
- Sponsor type
- University, hospital or other
- Responsible party
- Sponsor-investigator, Gabriel Peixoto Leão Almeida, Universidade Federal do Ceara
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT02947451
- Sponsor's protocol ID
- TCC_Isabel
- Status last verified
- Jul 2020
- First submitted
- 6 Sep 2016
- Last updated
- 8 Jul 2020
- Results posted
- No
- Data monitoring committee
- No
- Individual data sharing
- No
Publications
Bedson J, Jordan K, Croft P. The prevalence and history of knee osteoarthritis in general practice: a case-control study. Fam Pract. 2005 Feb;22(1):103-8. doi: 10.1093/fampra/cmh700. Epub 2005 Jan 7.
PubMed 15640302Deyle GD, Gill NW, Allison SC, Hando BR, Rochino DA. Knee OA: which patients are unlikely to benefit from manual PT and exercise? J Fam Pract. 2012 Jan;61(1):E1-8.
PubMed 22220299Alshami AM. Knee osteoarthritis related pain: a narrative review of diagnosis and treatment. Int J Health Sci (Qassim). 2014 Jan;8(1):85-104. doi: 10.12816/0006075.
PubMed 24899883French HP, Brennan A, White B, Cusack T. Manual therapy for osteoarthritis of the hip or knee - a systematic review. Man Ther. 2011 Apr;16(2):109-17. doi: 10.1016/j.math.2010.10.011. Epub 2010 Dec 13.
PubMed 21146444Deyle GD, Allison SC, Matekel RL, Ryder MG, Stang JM, Gohdes DD, Hutton JP, Henderson NE, Garber MB. Physical therapy treatment effectiveness for osteoarthritis of the knee: a randomized comparison of supervised clinical exercise and manual therapy procedures versus a home exercise program. Phys Ther. 2005 Dec;85(12):1301-17.
PubMed 16305269Altman R, Asch E, Bloch D, Bole G, Borenstein D, Brandt K, Christy W, Cooke TD, Greenwald R, Hochberg M, et al. Development of criteria for the classification and reporting of osteoarthritis. Classification of osteoarthritis of the knee. Diagnostic and Therapeutic Criteria Committee of the American Rheumatism Association. Arthritis Rheum. 1986 Aug;29(8):1039-49. doi: 10.1002/art.1780290816.
PubMed 3741515KELLGREN JH, LAWRENCE JS. Radiological assessment of osteo-arthrosis. Ann Rheum Dis. 1957 Dec;16(4):494-502. doi: 10.1136/ard.16.4.494. No abstract available.
PubMed 13498604Abbott JH, Robertson MC, Chapple C, Pinto D, Wright AA, Leon de la Barra S, Baxter GD, Theis JC, Campbell AJ; MOA Trial team. Manual therapy, exercise therapy, or both, in addition to usual care, for osteoarthritis of the hip or knee: a randomized controlled trial. 1: clinical effectiveness. Osteoarthritis Cartilage. 2013 Apr;21(4):525-34. doi: 10.1016/j.joca.2012.12.014. Epub 2013 Jan 8.
PubMed 23313532Brantingham JW, Bonnefin D, Perle SM, Cassa TK, Globe G, Pribicevic M, Hicks M, Korporaal C. Manipulative therapy for lower extremity conditions: update of a literature review. J Manipulative Physiol Ther. 2012 Feb;35(2):127-66. doi: 10.1016/j.jmpt.2012.01.001.
PubMed 22325966Jansen MJ, Viechtbauer W, Lenssen AF, Hendriks EJ, de Bie RA. Strength training alone, exercise therapy alone, and exercise therapy with passive manual mobilisation each reduce pain and disability in people with knee osteoarthritis: a systematic review. J Physiother. 2011;57(1):11-20. doi: 10.1016/S1836-9553(11)70002-9.
PubMed 21402325Moss P, Sluka K, Wright A. The initial effects of knee joint mobilization on osteoarthritic hyperalgesia. Man Ther. 2007 May;12(2):109-18. doi: 10.1016/j.math.2006.02.009. Epub 2006 Jun 13.
PubMed 16777467Pollard H, Ward G, Hoskins W, Hardy K. The effect of a manual therapy knee protocol on osteoarthritic knee pain: a randomised controlled trial. J Can Chiropr Assoc. 2008 Dec;52(4):229-42.
PubMed 19066697Basedow M, Williams H, Shanahan EM, Runciman WB, Esterman A. Australian GP management of osteoarthritis following the release of the RACGP guideline for the non-surgical management of hip and knee osteoarthritis. BMC Res Notes. 2015 Oct 5;8:536. doi: 10.1186/s13104-015-1531-z.
PubMed 26438323McAlindon TE, Bannuru RR, Sullivan MC, Arden NK, Berenbaum F, Bierma-Zeinstra SM, Hawker GA, Henrotin Y, Hunter DJ, Kawaguchi H, Kwoh K, Lohmander S, Rannou F, Roos EM, Underwood M. OARSI guidelines for the non-surgical management of knee osteoarthritis. Osteoarthritis Cartilage. 2014 Mar;22(3):363-88. doi: 10.1016/j.joca.2014.01.003. Epub 2014 Jan 24.
PubMed 24462672Bjordal JM, Johnson MI, Lopes-Martins RA, Bogen B, Chow R, Ljunggren AE. Short-term efficacy of physical interventions in osteoarthritic knee pain. A systematic review and meta-analysis of randomised placebo-controlled trials. BMC Musculoskelet Disord. 2007 Jun 22;8:51. doi: 10.1186/1471-2474-8-51.
PubMed 17587446
Study at a glance
From the registry record, last updated by the sponsor on 8 Jul 2020. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Immediate Effects of Manual Therapy Versus TENS in Patients With Knee Osteoarthritis
- ClinicalTrials.gov ID
- NCT02947451
- Acronym / sponsor ID
- TCC_Isabel
- Conditions
- Knee Osteoarthritis
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 54 participants (actual)
- Lead sponsor
- Gabriel Peixoto Leão AlmeidaUniversity, hospital or other
- Study start
- Nov 2016
- Primary completion
- Nov 2016 (actual)
- Study completion
- Nov 2018 (actual)
- First posted
- 27 Oct 2016 (estimated)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
Patients with knee Osteoarthritis have high prevalence of pain , requiring ever more precise interventions in their management. This study aims to investigate the immediate effects of manual therapy and TENS on pain in patients with knee Osteoarthritis. Knowledge of best interventions favors reducing spending on health and safety for the patient.
Detailed description
This study aims to compare the efficacy of manual therapy and TENS for immediate control of pain in patients with knee osteoarthritis. They will be included 62 patients with clinical and radiological diagnosis of knee osteoarthritis, presenting pain of at least 3 in VAS, which are recruited from rheumatology and geriatrics clinics in Fortaleza / CE through a prior screening.
Will be three assessments, prior to the intervention, immediately after it and after 72 hours. The data collected shall appear in individual printed records. Participants will be divided into two therapy groups, of which one will be applied manual therapy and other TENS. There will be randomisation allocation of individuals in the groups and because of the nature of the interventions only the evaluator may be blind.
In manual therapy group will be assigned a protocol with manual passive stretching for the quadriceps muscles, hamstrings, triceps surae, adductors and abductors of the hip; myofascial release peripatellar; joint mobilization grades 1 and 2 for tibiofemoral joint and femoro - patellar in the affected knee.
In TENS group will be applied to continuous current mode, frequency 100Hz and pulse width of 50μs for 40 minutes in a single application. The intensity will be defined by the patient, should the stimulus be considered intense, but pleasant to it.
The Kolmogorov - Smirnov test is used to verify the data distribution normality. The characterization of the participants is performed by means of descriptive statistical analysis. Parametric or non-parametric tests will be used according to the data distribution normality for comparison between groups at baseline. The evaluator blinding will be tested using the chi -square test by comparing the randomization code with the evaluator opinion. The difference between the groups and their respective confidence intervals will be calculated by linear mixed models using interaction term of "time versus group."
Study design
- Primary purpose
- Supportive care
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Double blind (investigator, outcomes assessor)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| Manual therapy | Experimental | Other: Manual TherapyIn manual therapy group will be assigned a protocol with manual passive stretching for the quadriceps muscles, hamstrings, triceps surae, adductors and abductors of the hip; myofascial release peripatellar; joint mobilization grades 1 and 2 for tibiofemoral joint and femoro - patellar in the affected knee, in a single application. |
| TENS | Experimental | Other: TENSIn TENS group will be applied to continuous current mode, frequency 100Hz and pulse width of 50μs for 40 minutes in a single application. |
Who may qualify
- Ages
- 50 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (3 listed)
- Knee osteoarthritis diagnosed by clinical criteria established by the American College of Rheumatology and radiological criteria of Kelgren-Lawrence
- Age over 50 years
- Pain intensity above 2 on the VAS
Key exclusion criteria (5 listed)
- Other systemic inflammatory disease
- Changes in sensitivity
- Use of anti-inflammatory steroids, tranquillizers and/or antidepressants in the last month
- Analgesic in last 24 hours
- Use of cardiac pacemaker
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Manual TherapyIn manual therapy group will be assigned a protocol with manual passive stretching for the quadriceps muscles, hamstrings, triceps surae, adductors and abductors of the hip; myofascial release peripatellar; joint mobilization grades 1 and 2 for tibiofemoral joint and femoro - patellar in the affected knee. Stretching, myofascial release and mobilizations will be held for 30 seconds, with three repetitions of each. The intervention will be applied only once. | Other | Manual therapy |
| TENSAlso: Transcutaneous electrical nerve stimulationIn TENS group will be applied to continuous current mode, frequency 100Hz and pulse width of 50μs for 40 minutes in a single application. The intensity will be defined by the patient, should the stimulus be considered intense, but pleasant to it. | Other | TENS |
Primary outcome
Pain intensity in Visual Analogic Scale
Time frame: Immediately
It consists of 11 points, ranging from 0 ( no pain) to 10 ( maximum possible pain ), the volunteer instructed to quantify their knee pain present at the time of evaluation.
Pressure Pain Threshold in Algometer
Time frame: Immediately
They will be scored 7 points, the first being located at the apex of the patella, the second three cm medial to the apex of the patella, the third two centimeters higher than the second, the fourth two centimeters lower than the second, the fifth three centimeters lateral to the apex of the patella, the sixth two centimeters above the fifth and seventh two centimeters below the fifth. Participants will be instructed to report to the appraiser whenever the feeling in the stimulus site becomes clearly painful. There will be two measurements at each point, each starting from point 1 to 7. It shall be considered the average of each isolated point and the average of the averages of the points how test result.
3 secondary outcomes
Global Rating of Change Scale
Time frame: Immediately and 72 hours after intervention
Pain intensity in Visual Analogic Scale 72 hours after intervention
Time frame: 72 hours after intervention
Pressure Pain Threshold in Algometer 72 hours after intervention
Time frame: 72 hours after intervention
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 8 Jul 2020.
- Background: PubMed 15640302Bedson J, Jordan K, Croft P. The prevalence and history of knee osteoarthritis in general practice: a case-control study. Fam Pract. 2005 Feb;22(1):103-8. doi: 10.1093/fampra/cmh700. Epub 2005 Jan 7.
- Background: PubMed 22220299Deyle GD, Gill NW, Allison SC, Hando BR, Rochino DA. Knee OA: which patients are unlikely to benefit from manual PT and exercise? J Fam Pract. 2012 Jan;61(1):E1-8.
- Background: PubMed 24899883Alshami AM. Knee osteoarthritis related pain: a narrative review of diagnosis and treatment. Int J Health Sci (Qassim). 2014 Jan;8(1):85-104. doi: 10.12816/0006075.
- Background: PubMed 21146444French HP, Brennan A, White B, Cusack T. Manual therapy for osteoarthritis of the hip or knee - a systematic review. Man Ther. 2011 Apr;16(2):109-17. doi: 10.1016/j.math.2010.10.011. Epub 2010 Dec 13.
- Background: PubMed 16305269Deyle GD, Allison SC, Matekel RL, Ryder MG, Stang JM, Gohdes DD, Hutton JP, Henderson NE, Garber MB. Physical therapy treatment effectiveness for osteoarthritis of the knee: a randomized comparison of supervised clinical exercise and manual therapy procedures versus a home exercise program. Phys Ther. 2005 Dec;85(12):1301-17.
- Background: PubMed 3741515Altman R, Asch E, Bloch D, Bole G, Borenstein D, Brandt K, Christy W, Cooke TD, Greenwald R, Hochberg M, et al. Development of criteria for the classification and reporting of osteoarthritis. Classification of osteoarthritis of the knee. Diagnostic and Therapeutic Criteria Committee of the American Rheumatism Association. Arthritis Rheum. 1986 Aug;29(8):1039-49. doi: 10.1002/art.1780290816.
- Background: PubMed 13498604KELLGREN JH, LAWRENCE JS. Radiological assessment of osteo-arthrosis. Ann Rheum Dis. 1957 Dec;16(4):494-502. doi: 10.1136/ard.16.4.494. No abstract available.
- Background: PubMed 23313532Abbott JH, Robertson MC, Chapple C, Pinto D, Wright AA, Leon de la Barra S, Baxter GD, Theis JC, Campbell AJ; MOA Trial team. Manual therapy, exercise therapy, or both, in addition to usual care, for osteoarthritis of the hip or knee: a randomized controlled trial. 1: clinical effectiveness. Osteoarthritis Cartilage. 2013 Apr;21(4):525-34. doi: 10.1016/j.joca.2012.12.014. Epub 2013 Jan 8.
- Background: PubMed 22325966Brantingham JW, Bonnefin D, Perle SM, Cassa TK, Globe G, Pribicevic M, Hicks M, Korporaal C. Manipulative therapy for lower extremity conditions: update of a literature review. J Manipulative Physiol Ther. 2012 Feb;35(2):127-66. doi: 10.1016/j.jmpt.2012.01.001.
- Background: PubMed 21402325Jansen MJ, Viechtbauer W, Lenssen AF, Hendriks EJ, de Bie RA. Strength training alone, exercise therapy alone, and exercise therapy with passive manual mobilisation each reduce pain and disability in people with knee osteoarthritis: a systematic review. J Physiother. 2011;57(1):11-20. doi: 10.1016/S1836-9553(11)70002-9.
- Background: PubMed 16777467Moss P, Sluka K, Wright A. The initial effects of knee joint mobilization on osteoarthritic hyperalgesia. Man Ther. 2007 May;12(2):109-18. doi: 10.1016/j.math.2006.02.009. Epub 2006 Jun 13.
- Background: PubMed 19066697Pollard H, Ward G, Hoskins W, Hardy K. The effect of a manual therapy knee protocol on osteoarthritic knee pain: a randomised controlled trial. J Can Chiropr Assoc. 2008 Dec;52(4):229-42.
- Individual participant dataSharing planned: No
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
The record lists no contact. Use the official record to reach the sponsor.
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing Manual Therapy and TENS in people with Knee Osteoarthritis, run by Gabriel Peixoto Leão Almeida at 1 site in Brazil.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 3 inclusion and 5 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 8 Jul 2020. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in Brazil. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Pain intensity in Visual Analogic Scale (time frame: Immediately). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT02947451, which also lists 25 linked publications.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 8 Jul 2020.