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CompletedNCT05612308VOP&SNAGUpdated Nov 10, 2022

Vertical Oscillatory Pressure and Sustained Natural Apophyseal Glides in ow Back Pain

An interventional study of Vertical Oscillatory Pressure (VOP) in Non Specific Low Back Pain, sponsored by Obafemi Awolowo University. Completed at 1 site in Nigeria. Open to participants aged 18 Years to 75 Years. Per ClinicalTrials.gov, last updated 2022-11-10.

Sponsored by Obafemi Awolowo University · Not applicable, Interventional, and Treatment

From the registry’s dates

  • Registered 1 year 1 month after the study started (first participant enrolled Sep 2021, registered Oct 2022).

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Phase
Not applicable
Study type
Interventional
Enrollment
25
Allocation
Randomized
Ages
18 Years to 75 Years
Sex
All
01

Study summary

Among different spinal manual therapies, which have been reported to be effective in the management of LBP are Sustained Natural Apophyseal Glide (SNAGS) and Vertical Oscillatory Pressure (VOP) . Vertical oscillatory pressure is a derivative of manipulative therapy whereby a gentle vertical manipulative oscillation is applied on spinal vertebrae and has been noted to be effective in management of low back pain . On the contrary, the SNAGS is a manipulative technique that is commonly used in the western countries and found to be effective in reducing pain and disability in the management of mechanical LBP . However, there are limited studies comparing the effects of SNAG and VOP on clinical and psychosocial variables in patients with mechanical LBP in Nigeria. Hence, this study aims at investigating the effects of Nwugarian VOP and SNAG techniques on selected clinical and psychosocial variables in patients with mechanical LBP.

Read the detailed description

Low back pain and the attendant disabilities have been on the increase in Africa and its burden is more in countries with longer life expectancy . The menace of the condition includes high level of disability, producing significant restrictions on usual activity and participation, such as ability to work . Contrary to general belief, LBP is not a problem that always resolves by itself, recurrences are usual and the course is varying in different circumstances . While emerging evidence and advocacy by Physiotherapy Associations favours active treatment for long-term LBP, however, spinal manipulation remains an important option for LBP that will or not resolve with active and self-care. Spinal manipulation has been reported to produce significant benefits within a short period , may be more and faster than expected improvements with active therapies . Further, while there is increasing advocacy for active management of LBP, many patients are not well suited or positioned to treat themselves, hence may require experts' management.

Sustained Natural Apophyseal Glide (SNAGS) is a manipulative technique that is commonly used in the western countries and found to be effective in reducing pain and disability in the management of mechanical LBP . In another study by Shabana et al., on the comparative effect of SNAGS and Maitland's mobilization in chronic LBP, better improvement was observed in SNAGS group than in Maitland's. however, it is not commonly used in the Nigerian context. On the other hand, the Nwugarian technique; VOP, propunded by Nwuga is a home-grown spinal manipulation approach in Nigeria demonstrated the effectiveness of VOP on pain and disability in patients with mechanical lowback pain. VOP, in combination with lumbar stabilization exercises has also been noted to be more effective compared with VOP in isolation in the management chronic low back pain . Similarly, Egwu et al., concluded that VOP has significant effects on pain intensity and Lumbo-sacral mobility, and opined that VOP should be preferred as spinal mobilization therapy outcome measures in youths and elderly individuals with LBP. The effectiveness of VOP is hinged on few available studies. VOP requires pressure on the vertebral spinous process with oscillation by the therapist. The therapeutic mechanism of spinal manipulation have emphasized the importance of directing forces to specific spinal joints for the purpose of correcting a biomechanical dysfunction or misalignment . Studies have also shown and validated spinal manipulation to affect both sensory and motor nerve activity as well as electromyographic measured muscle activity . Outcome measures reflect the impact of the health care service or intervention on the health status of patients. To achieve comprehensive multidimensional evaluation of outcome in LBP ,one of the core outcome domains that must be considered is pain, the method of assessing has always been participants rating of improvement and satisfaction with treatment but not the effects of intervention at cellular level. Use of serum biomarkers has the potential to measure the effects of intervention at cellular level thereby helping to identify relevant treatment options and decrease the likelihood of failed interventions. However, effects of known treatment like VOP and SNAGS on the inflammatory status and bio cellular pain substance in patients with long term low-back pain has not been explored, ,hence this study This study is therefore aimed to investigate and compare the effect of VOP and SNAGS on pain-biomarkers, disability, flexibility and health-related quality of life in patients with mechanical LBP.

02

Conditions studied

  • Non Specific Low Back Pain

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Keywords

  • Low back pain,
  • Vertical Oscillatory Pressure,
  • Sustained Natural Apophzeal Glide,
  • Pain-Biomakers
  • Health Related Quality of Life
03

In context

Low Back Pain

2,923 studies on the registry are indexed under Low Back Pain; 579 are open to participants now.

This study's enrollment of 25 is below the median of 60 across 2,364 interventional studies indexed under Low Back Pain.

Browse Low Back Pain studies →

Lead sponsor

Obafemi Awolowo University is the lead sponsor of 16 studies on the registry; none are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years to 75 Years
Sexes eligible
All
Accepts healthy volunteers
No

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • Patients with non specific low back pain of at least 3 months duration
  • age of 18-75 years
  • No history of hospitalization in the last 12 months

Exclusion criteria

Exclusion Criteria:

  • No history of trauma
  • organic diseases
  • No mental disorderliness
05

Study design

Phase
Not applicable
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
None (open label)
Enrollment
25 participants (actual)

Study arms

  • Experimental
    Verical Oscillatory Pressure (VOP)

    Vertical Oscillatory Pressure (VOP) will be administered with the patient lying prone on a couch. The researcher will place the thumb reinforced with the other thumb on the implicated lumbar vertebra, then apply pressure posterior anteriorly on the spinous process and oscillate for a maximum of 60 seconds. This will be done on each patient in this group twice a week for 6 weeks after an initial assessment both subjective and objective (Egwu et al, 2007).

    Other: Vertical Oscillatory Pressure (VOP)

  • Experimental
    Sustained Natural Apophyzeal Glides

    Participant in this group will undergo SNAG technique on lumbar vertebra with active spinal movement according to Mulligan, (2004). Participants will be in a sitting position on the edge of the couch while both feet will be on a footrest. A stabilization belt will be used around the patient's waist and the therapist's hips and the researcher standing behind the patient well supported with stabilization belt. The researcher places one thumb or hypothenar eminence (pisiform bone) reinforced by the other on the spinous process of the implicated lumbar vertebra and then apply pressure posterior-anteriorly on the spinous process, the pressure will be sustained and the patient concurrently performs active spinal movement. SNAGS will be applied with 3 repetitions on the first day and 10 repetitions from next visit. SNAG will be used twice a week for 6 weeks.

    Other: Vertical Oscillatory Pressure (VOP)

Interventions

  • OtherVertical Oscillatory Pressure (VOP)

    The VOP involves a pressure from the posterior aspect of the body while patient lye prone. the pressure is exacted directly on the spine, The sustained Natural Apophyseal Glides involves pressure as well when the patient sits down on a chair. The movement is done from the posterior to the anterior as well

    Also known as: Sustained Natural Apophyseal Glides (SNAGs)

06

What researchers measure

Primary outcomes

  1. Visual analogue scale

    Pain perception: Which is measured by Visual Analogue Scale . This is an instrument that measure the pain perception of the patients. The minimum is 0, which indicated no pain and the maximum is 10 which described excruciating pain

    Time frame: 6 weeks

Secondary outcomes

  1. Interleuking 6

    Concentration of pain factors in the blood. It is an chemical in the blood that determines how individuals perceive pain in the body. The minimum is 30 which indicate no pain and the maximum could be 250 which indicate extreme pain

    Time frame: 6 weeks

07

Study locations

1 site
  • Obafemi Awolowo University
    Ile-Ife, Osun 220005, Nigeria
08

References and documents

Publications

  • Ojoawo AO, Olaogun MO, Odejide SA, Badru AA. Effect of vertical oscillatory pressure on disability of patients with chronic mechanical low back pain using Roland Morris Disability questionnaire. Tanzan J Health Res. 2013 Jan;15(1):58-63. doi: 10.4314/thrb.v15i1.9. PubMed 26591674 ↗
  • Ogunlana MO, Odole AC, Adejumo A, Odunaiya N. Catastrophising, pain, and disability in patients with nonspecific low back pain. Hong Kong Physiother J. 2015 Dec;33(2):73-79. doi: 10.1016/j.hkpj.2015.03.001. Epub 2015 Apr 16. PubMed 30930571 ↗
  • Roche RJ, Silamut K, Pukrittayakamee S, Looareesuwan S, Molunto P, Boonamrung S, White NJ. Quinine induces reversible high-tone hearing loss. Br J Clin Pharmacol. 1990 Jun;29(6):780-2. doi: 10.1111/j.1365-2125.1990.tb03704.x. PubMed 2198912 ↗

Individual participant data

Plan to share: No — The data may not be shared with other researchers

09

Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reachedSimilar studies: half by the dot; the band is the middle halfHalf of similar studies reached it by the dot; the band is the middle half, from a quarter to three quarters

Ran from Sep 2021 to primary completion in Jul 2022, 9 months.

Of 1,231 non-industry interventional studies with no phase under Low Back Pain, half reached primary completion within 11 months of starting (the median), counting those still running; a quarter within 4 and three quarters within 26. This study's 9 months is below that.

Counting every sponsor, half of 1,286 studies reached it within 11 months; a quarter within 5 and three quarters within 27.

How these figures are worked out, and which studies are left out of them.

Registered
Oct 31, 2022
First posted
Nov 10, 2022
StartActual
Sep 24, 2021
Primary completionActual
Jul 18, 2022
CompletionActual
Sep 10, 2022
Last update
Nov 10, 2022
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on Nov 10, 2022, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT05612308
Lead sponsor
Obafemi Awolowo University
Responsible party
Adesola Ojo Ojoawo (Principal Investigator, Obafemi Awolowo University) — Principal investigator
First posted
Nov 10, 2022
Start date
Sep 24, 2021
Primary completion
Jul 18, 2022
Completion
Sep 10, 2022
Last update
Nov 10, 2022

Study contacts

Adesola O Ojoawo, PhD
principal investigator · Obafemi Awolowo University Ile ife

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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This study is completed, as verified in Nov 2022. You cannot join it, but the record below documents what was studied.

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