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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT00937365
Other study ID # 5033
Secondary ID
Status Completed
Phase Phase 2
First received
Last updated
Start date July 2009
Est. completion date April 2012

Study information

Verified date December 2019
Source Oregon Health and Science University
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This study compares three treatments for low back pain that started during pregnancy. The study hypothesizes that exercise, spinal manipulation, and a mind-body technique called neuroemotional technique (NET) equally affect pain intensity and disability associated with pregnancy-related low back pain. The study also hypothesizes that pain intensity and disability levels do not influence maternal heart rate variability (a measure of stress) and intrauterine attachment (a measure of relationship quality). Ten women will additionally provide blood and salivary oxytocin samples during pregnancy and periodically for three months after birth. These women and their babies will also be videotaped playing for 5 minutes at 2 weeks, 6 weeks, and 3 months postpartum.


Description:

Pregnancy-related low back pain is experienced by over half of all pregnant women. In the United States it is thought of as a normal constituent of pregnancy. However, in Europe low back pain associated with pregnancy is treated. In the United States pregnancy-related low back pain is thought to resolve with birth. However about 1/3 of women who experience pregnancy-related low back pain continue to experience back pain for one year postpartum. Those women whose low back pain persists into the postpartum period are more at risk of experiencing comorbidities such as postpartum depression.

In the extrauterine life maternal pain limits a mother's ability to securely attach with her child. Furthermore, interpretation of pain intensity is influenced by the type of attachment the individual has with her parents. Little is known how maternal pain may influence intrauterine attachment. Similarly, heart rate variability is influenced by pain and by spinal manipulation in non-pregnant populations. However, normal non-pregnant patterns of heart rate variability are altered during the second and third trimesters of pregnancy, and little is known about why this happens or what this means.


Recruitment information / eligibility

Status Completed
Enrollment 64
Est. completion date April 2012
Est. primary completion date April 2012
Accepts healthy volunteers Accepts Healthy Volunteers
Gender Female
Age group 20 Years to 49 Years
Eligibility Inclusion Criteria:

- Healthy

- 20-49 years old

- Pregnant with a singleton

- Low back pain began during pregnancy and has lasted more than one week

- Low back pain is reproducible with palpation

Exclusion Criteria:

- Health conditions such as hypertension, diabetes, cancer, thyroid condition etc.

- Pain radiates below knee

- Cannot read English

- Plans to move away from Portland area during pregnancy

- Not willing to be randomized to one of the three arms of the study

Study Design


Related Conditions & MeSH terms


Intervention

Behavioral:
Exercise
Study visits follow the normal prenatal care schedule (once monthly until 28 weeks, twice monthly until 36 weeks, weekly thereafter). Additional study visits may be necessary if the pain is too intense and requires additional visits.
Procedure:
Spinal Manipulation
Study visits follow the normal prenatal care schedule (once monthly until 28 weeks, twice monthly until 36 weeks, weekly thereafter). Additional study visits may be necessary if the pain is too intense and requires additional visits.
Neuroemotional Technique (NET)
Study visits follow the normal prenatal care schedule (once monthly until 28 weeks, twice monthly until 36 weeks, weekly thereafter). Additional study visits may be necessary if the pain is too intense and requires additional visits.

Locations

Country Name City State
United States Oregon Health & Science University Portland Oregon

Sponsors (2)

Lead Sponsor Collaborator
Oregon Health and Science University The ONE Foundation

Country where clinical trial is conducted

United States, 

References & Publications (11)

Benarroch EE. Pain-autonomic interactions: a selective review. Clin Auton Res. 2001 Dec;11(6):343-9. Review. — View Citation

Borg-Stein J, Dugan SA, Gruber J. Musculoskeletal aspects of pregnancy. Am J Phys Med Rehabil. 2005 Mar;84(3):180-92. Review. — View Citation

Brage S, Sandanger I, Nygård JF. Emotional distress as a predictor for low back disability: a prospective 12-year population-based study. Spine (Phila Pa 1976). 2007 Jan 15;32(2):269-74. — View Citation

Depledge J, McNair PJ, Keal-Smith C, Williams M. Management of symphysis pubis dysfunction during pregnancy using exercise and pelvic support belts. Phys Ther. 2005 Dec;85(12):1290-300. — View Citation

Dipietro JA, Irizarry RA, Costigan KA, Gurewitsch ED. The psychophysiology of the maternal-fetal relationship. Psychophysiology. 2004 Jul;41(4):510-20. — View Citation

Gartner JG. Thymic involution with loss of Hassall's corpuscles mimicking thymic dysplasia in a child with transfusion-associated graft-versus-host disease. Pediatr Pathol. 1991 May-Jun;11(3):449-56. — View Citation

Hurwitz EL, Morgenstern H, Kominski GF, Yu F, Chiang LM. A randomized trial of chiropractic and medical care for patients with low back pain: eighteen-month follow-up outcomes from the UCLA low back pain study. Spine (Phila Pa 1976). 2006 Mar 15;31(6):611-21; discussion 622. — View Citation

Mogren I. Perceived health, sick leave, psychosocial situation, and sexual life in women with low-back pain and pelvic pain during pregnancy. Acta Obstet Gynecol Scand. 2006;85(6):647-56. — View Citation

Padua L, Caliandro P, Aprile I, Pazzaglia C, Padua R, Calistri A, Tonali P. Back pain in pregnancy: 1-year follow-up of untreated cases. Eur Spine J. 2005 Mar;14(2):151-4. Epub 2004 May 15. — View Citation

Stuber KJ, Smith DL. Chiropractic treatment of pregnancy-related low back pain: a systematic review of the evidence. J Manipulative Physiol Ther. 2008 Jul-Aug;31(6):447-54. doi: 10.1016/j.jmpt.2008.06.009. Review. — View Citation

Wadhwa PD. Psychoneuroendocrine processes in human pregnancy influence fetal development and health. Psychoneuroendocrinology. 2005 Sep;30(8):724-43. Epub 2005 Apr 25. Review. — View Citation

* Note: There are 11 references in allClick here to view all references

Outcome

Type Measure Description Time frame Safety issue
Primary Roland Morris Disability Index Last study visit prior to birth
Secondary Pain Visual Analog Scale Last Study Visit Before Birth
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