Prospective Study on the Consequences of Weight Loss After Bariatric Surgery on Obese Patients' Spine.

NCT ID: NCT04893954

Last Updated: 2025-09-15

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

NA

Total Enrollment

80 participants

Study Classification

INTERVENTIONAL

Study Start Date

2021-06-03

Study Completion Date

2029-09-30

Brief Summary

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The purpose of this study is to determine how an important weight loss after bariatric surgery affects obese patients ' spine, and the effects it has on low back pain, sagittal alignment and lipomatosis .

Detailed Description

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Obesity and back pain are massive public health problems, and the relationship between the two has not been described and studied. However, the investigators have also observed that many ex-obese patients still suffer from back and leg pain after an important weight loss.

The aim of this study is to measure the effect of weight loss on back pain, and to find out what parameters can explain such modifications (increasing or decreasing back pain).

The investigators will study clinical parameters, as well as radiological (to measure the effect of weight loss on spine sagittal alignment) and MRI (to measure lipomatosis, which is a fat epidural accumulation, responsible for nerve compression and therefore back and leg pain).

Conditions

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Low Back Pain in Obese Patients After Important Weight Loss

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

PREVENTION

Blinding Strategy

NONE

Study Groups

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Obese patients

Group Type OTHER

Full Spine Radiography

Intervention Type DIAGNOSTIC_TEST

Full Spine Radiography

Lumbar spine MRI

Intervention Type DIAGNOSTIC_TEST

Lumbar spine MRI

Interventions

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Full Spine Radiography

Full Spine Radiography

Intervention Type DIAGNOSTIC_TEST

Lumbar spine MRI

Lumbar spine MRI

Intervention Type DIAGNOSTIC_TEST

Eligibility Criteria

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Inclusion Criteria

* Age \> 18 years old
* BMI \> 40 or BMI \> 35 with comorbidities due to obesity ( criteria for bariatric surgery)
* Follow up in Pompidou's Hospital Nutrition service
* Bariatric surgery intervention ( Sleeve gastrectomy or By pass)
* Follow up possible for one year or more
* Being covered by French social insurance
* Consent to participate in the study

Exclusion Criteria

* History of spine surgery
* Bariatric surgery postoperative complication
* Non mastering of french language
* MRI contraindication
* Patient under legal protection ( e.g. guardianship)
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Sauver La Vie

UNKNOWN

Sponsor Role collaborator

URC-CIC Paris Descartes Necker Cochin

OTHER

Sponsor Role collaborator

Assistance Publique - Hôpitaux de Paris

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Emmanuelle FERRERO, MD, PHD

Role: PRINCIPAL_INVESTIGATOR

Assistance Publique - Hôpitaux de Paris

Locations

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Hopital Européen Georges Pompidou

Paris, , France

Site Status RECRUITING

Countries

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France

Central Contacts

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Emmanuelle FERRERO, MD, PHD

Role: CONTACT

01 56 09 32 50

Marie BENHAMMANI-GODARD

Role: CONTACT

00 33 1 58 41 11 90

Facility Contacts

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Emmanuelle FERRERO, MD, PHD

Role: primary

00 33 1 56 09 32 50

References

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Briggs MS, Givens DL, Schmitt LC, Taylor CA. Relations of C-reactive protein and obesity to the prevalence and the odds of reporting low back pain. Arch Phys Med Rehabil. 2013 Apr;94(4):745-52. doi: 10.1016/j.apmr.2012.11.026. Epub 2012 Nov 24.

Reference Type BACKGROUND
PMID: 23187041 (View on PubMed)

Khoueir P, Black MH, Crookes PF, Kaufman HS, Katkhouda N, Wang MY. Prospective assessment of axial back pain symptoms before and after bariatric weight reduction surgery. Spine J. 2009 Jun;9(6):454-63. doi: 10.1016/j.spinee.2009.02.003. Epub 2009 Apr 8.

Reference Type BACKGROUND
PMID: 19356988 (View on PubMed)

Koulischer S, Cadiere B, Cadiere GB, Fabeck L. [Evolution of low back pain after bariatric surgery]. Rev Med Brux. 2015 May-Jun;36(3):147-51. French.

Reference Type BACKGROUND
PMID: 26372975 (View on PubMed)

de Mello AP, Martins GCDS, Heringer AR, Gamallo RB, Martins Filho LFDS, de Abreu AV, Carvalho ACP, Gama MP. Back pain and sagittal spine alignment in obese patients eligible for bariatric surgery. Eur Spine J. 2019 May;28(5):967-975. doi: 10.1007/s00586-019-05935-0. Epub 2019 Mar 15.

Reference Type BACKGROUND
PMID: 30877387 (View on PubMed)

Beckworth WJ, McCarty EJ, Garcia-Corrada JE, Holbrook JF. Epidural Lipomatosis and Associated Spinal Stenosis-The Impact of Weight Loss: A Case Report. Am J Lifestyle Med. 2017 Jan 12;11(6):511-514. doi: 10.1177/1559827616686764. eCollection 2017 Nov-Dec.

Reference Type BACKGROUND
PMID: 30202377 (View on PubMed)

Joaquim AF, Helvie P, Patel AA. Bariatric Surgery and Low Back Pain: A Systematic Literature Review. Global Spine J. 2020 Feb;10(1):102-110. doi: 10.1177/2192568219826935. Epub 2019 Feb 5.

Reference Type BACKGROUND
PMID: 32002354 (View on PubMed)

Other Identifiers

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APHP201602

Identifier Type: -

Identifier Source: org_study_id

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