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Acupuncture Using Yamamoto's Method for the Treatment of Acute Nonspecific Low Back Pain (ANLBP)

This study has been completed.
Sponsor:
Information provided by:
Federal University of São Paulo
ClinicalTrials.gov Identifier:
NCT01124955
First received: May 13, 2010
Last updated: June 13, 2011
Last verified: November 2009
History of Changes
Results First Received: August 9, 2010  
Study Type: Interventional
Study Design: Allocation: Randomized;   Endpoint Classification: Efficacy Study;   Intervention Model: Parallel Assignment;   Masking: Double Blind (Subject, Outcomes Assessor);   Primary Purpose: Treatment
Condition: Low Back Pain
Interventions: Other: Acupuncture
Other: Non-penetrating acupuncture

  Participant Flow
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Recruitment Details
Key information relevant to the recruitment process for the overall study, such as dates of the recruitment period and locations
100 patients were recruited from the university hospital of the Federal University of São Paul (UNIFESP), from November 2009 to June 2010.

Pre-Assignment Details
Significant events and approaches for the overall study following participant enrollment, but prior to group assignment
80 patients were randomized during the study.

Reporting Groups
  Description
Acupuncture The technique of acupuncture used in this study is Yamamoto New Scalp Acupuncture called YNSA.
Placebo Group Patients were submitted to five non-penetrating acupuncture sessions in the placebo group (PG).

Participant Flow:   Overall Study
    Acupuncture     Placebo Group  
STARTED     40     40  
COMPLETED     40     40  
NOT COMPLETED     0     0  



  Baseline Characteristics
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Reporting Groups
  Description
Acupuncture The technique of acupuncture used in this study is Yamamoto New Scalp Acupuncture called YNSA.
Placebo Group Patients were submitted to five non-penetrating acupuncture sessions in the placebo group (PG).
Total Total of all reporting groups

Baseline Measures
    Acupuncture     Placebo Group     Total  
Number of Participants  
[units: participants]
 		  40     40     80  
Age  
[units: participants]
 		     
Between 18 and 65 years     40     40     80  
Age  
[units: years]
Mean ± Standard Deviation 		  47  ± 9.8     43.9  ± 10.9     45.4  ± 10.3  
Gender  
[units: participants]
 		     
Female     25     26     51  
Male     15     14     29  
Region of Enrollment  
[units: participants]
 		     
Brazil     40     40     80  



  Outcome Measures
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1.  Primary:   Pain Assessed on a 10-point Numeric Pain Scale   [ Time Frame: days 0, 3, 7, 14, 21 and 28 ]
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Measure Type Primary
Measure Title Pain Assessed on a 10-point Numeric Pain Scale
Measure Description The primary outcome is a visual analog pain scale (VAS), graded in centimeters from 0 to 10 (0=no pain; 10=worst imaginable pain), measured before (VAS 1) and after (VAS 2) the acupuncture session.
Time Frame days 0, 3, 7, 14, 21 and 28  
Safety Issue Yes  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
Intention to treat analysis (ITT)

Reporting Groups
  Description
Acupuncture The technique of acupuncture used in this study is Yamamoto New Scalp Acupuncture called YNSA.
Placebo Group Patients were submitted to five non-penetrating acupuncture sessions in the placebo group (PG).

Measured Values
    Acupuncture     Placebo Group  
Number of Participants Analyzed  
[units: participants]
 		  40     40  
Number of cm Analyzed  
[units: cm]
 		  40     40  
Pain Assessed on a 10-point Numeric Pain Scale  
[units: cm]
Mean ± Standard Deviation 		   
Day 0     6.55  ± 1.4     6.68  ± 1.44  
Day 3     4.63  ± 2.23     5.13  ± 2.21  
Day 7     3.83  ± 2.61     4.4  ± 2.09  
Day 14     2.8  ± 2.27     3.95  ± 2.19  
Day 21     2.49  ± 2.4     4.18  ± 2.52  
Day 28     1.98  ± 2.12     3.38  ± 2.26  

No statistical analysis provided for Pain Assessed on a 10-point Numeric Pain Scale



2.  Secondary:   Roland-Morris Disability Questionnaire (RM)   [ Time Frame: days 0, 3, 7, 14, 21 and 28 ]
  Show Outcome Measure 2

3.  Secondary:   Quality of Life Assessed on the SF-36   [ Time Frame: Days 0, 3, 7, 14, 21 and 28 ]
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4.  Secondary:   Likert Improvement Assessment Scale   [ Time Frame: Days 0, 3, 7, 14 and 21 ]
  Show Outcome Measure 4

5.  Secondary:   Number of Anti-inflammatory Tablets Taken   [ Time Frame: Days 3,7,14,21 and 28 ]
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  Serious Adverse Events
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  Other Adverse Events
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  More Information
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Certain Agreements:  
Principal Investigators are NOT employed by the organization sponsoring the study.
There is NOT an agreement between Principal Investigators and the Sponsor (or its agents) that restricts the PI's rights to discuss or publish trial results after the trial is completed.


Limitations and Caveats
Limitations of the study, such as early termination leading to small numbers of participants analyzed and technical problems with measurement leading to unreliable or uninterpretable data
No text entered.  


Results Point of Contact:  
Name/Title: Tatiana Molinas Hasegawa
Organization: Federal University of São Paulo
phone: 55 115576 4239
e-mail: tatianamolinas@hotmail.com


Publications:


Responsible Party: Tatiana Molinas Hasegawa, Federal University of Sao Paulo
ClinicalTrials.gov Identifier: NCT01124955     History of Changes
Other Study ID Numbers: FDAAAAU
Study First Received: May 13, 2010
Results First Received: August 9, 2010
Last Updated: June 13, 2011
Health Authority: Brazil: Ethics Committee