AzTrials
AzTrials

Low Back PainNCT05647629

Observational Study of the Development of Low Back Pain After Total Hip Arthroplasty.

An observational study of Low Back Pain and Hip Osteoarthritis, run by Universidad de Zaragoza at 2 sites in Spain.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
Search all trials

Trial summary

The investigators are going to observe the appearance of low back pain in patients who have undergone hip prosthesis surgery. Read more about this study

Who is it for?
Any age
What is being tested?
Total hip arthroplasty
Type of treatment
Surgery or procedure
How many people
618 participants
Where
2 sitesSpain
Study dates
1 Oct 2021to 23 Feb 2025
Phase
Observational
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 Any age
  • All sexes
  • No healthy volunteers
  • Child, Adult, Older adult

Study population: Population corresponding to Sector II of Zaragoza, Autonomous Community of Aragon, Spain.

Who may be able to join

  • Patients over 18 years of age and under 70 years of age, intervened by CTA due to OAC since January 1, 2010 and before January 1, 2021 and who have developed subsequent lumbar pathology.

Who cannot join

  • Under 18 years of age at the time of the intervention.
  • Over 70 years of age at the time of surgery.
  • Previous low back pain.
  • Bilateral CTA.
  • Previous lower limb or axial fracture.
  • Dysmetria.
Show all 14Show fewer
  • Vertebral surgery prior to CTA.
  • Scoliosis.
  • Scheuermann's disease.
  • Neoplasms affecting axial skeleton.
  • Bone infections.
  • Neurodegenerative disease.
  • CTA secondary to fractures.
  • CTA replacements.

Trial locations and contacts

2 sites in 1 country.

Spain2 sites
  • Francisco José Gallego Peñalver

    Valencia, Valencia, 46015

  • Francisco José Gallego Peñalver

    Zaragoza, Zaragoza, 50009

Other trials in Spain

About this study

Official title: Development of Low Back Pain After Total Hip Arthroplasty.

The investigators are going to observe the appearance of low back pain in patients who have undergone hip prosthesis surgery.

Being tested
Total hip arthroplasty
Keywords
Pain, Low back pain, Psoas muscle, Hip arthroplasty
Medical subject headings
Low Back Pain, Osteoarthritis, Hip, Pain

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Total hip arthroplastyProcedure or surgery

    hip prosthesis surgery

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Prevalence of patients with low back pain

    First episode of low back pain

    Measured: 10 years

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted12 Dec 2022
  2. Study start1 Oct 2021
  3. Primary completion1 Dec 2022
  4. Study completion23 Feb 2025

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Case only
Time perspective
Prospective
Enrolment
618 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT05647629
Sponsor's protocol ID
PI21/346
Status last verified
Feb 2025
First submitted
2 Dec 2022
Last updated
4 May 2026
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
Undecided

Publications

  • Mak D, Chisholm C, Davies AM, Botchu R, James SL. Psoas muscle atrophy following unilateral hip arthroplasty. Skeletal Radiol. 2020 Oct;49(10):1539-1545. doi: 10.1007/s00256-020-03447-3. Epub 2020 May 2.

    PubMed 32361852
  • Morohashi I, Homma Y, Kanda A, Yamamoto Y, Obata H, Mogami A, Obayashi O, Kaneko K. Iliopsoas impingement after revision total hip arthroplasty treated with iliopsoas muscle transection. Ann Med Surg (Lond). 2016 Mar 10;7:30-3. doi: 10.1016/j.amsu.2016.03.004. eCollection 2016 May.

    PubMed 27054031
  • Slater N, Singh R, Senasinghe N, Gore R, Goroszeniuk T, James D. Pressure monitoring of the femoral nerve during total hip replacement: an explanation for iatropathic palsy. J R Coll Surg Edinb. 2000 Aug;45(4):231-3.

    PubMed 11130022
  • Zhu J, Li Y, Chen K, Xiao F, Shen C, Peng J, Chen X. Iliopsoas tendonitis following total hip replacement in highly dysplastic hips: a retrospective study. J Orthop Surg Res. 2019 May 22;14(1):145. doi: 10.1186/s13018-019-1176-z.

    PubMed 31118071
  • Hessmann MH, Hubschle L, Tannast M, Siebenrock KA, Ganz R. [Irritation of the iliopsoas tendon after total hip arthroplasty]. Orthopade. 2007 Aug;36(8):746-51. doi: 10.1007/s00132-007-1094-3. German.

    PubMed 17541541
  • Rasch A, Bystrom AH, Dalen N, Berg HE. Reduced muscle radiological density, cross-sectional area, and strength of major hip and knee muscles in 22 patients with hip osteoarthritis. Acta Orthop. 2007 Aug;78(4):505-10. doi: 10.1080/17453670710014158.

    PubMed 17966005
  • Jorda Llona M, Perez Bocanegra E, Garcia-Mifsud M, Jimeno Bernad R, Ortiz Hernandez R, Castells Ayuso P. [Back school: a simple way to improve pain and postural behaviour]. An Pediatr (Barc). 2014 Aug;81(2):92-8. doi: 10.1016/j.anpedi.2013.11.018. Epub 2013 Dec 28. Spanish.

    PubMed 24380773
  • Gallego-Penalver FJ, Romero-de-la-Higuera SB, Berdejo Arceiz V, Gomez Trullen EM. Low back pain after total hip arthroplasty: Long-term retrospective cohort study. Rehabilitacion (Madr). 2025 Jul-Sep;59(3):100928. doi: 10.1016/j.rh.2025.100928. Epub 2025 Aug 4.

    PubMed 40763561

Questions about this trial

What is this clinical trial studying?

An observational study of Low Back Pain and Hip Osteoarthritis, run by Universidad de Zaragoza at 2 sites in Spain.

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 1 inclusion and 14 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 4 May 2026. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 2 sites in Spain. 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?

Prevalence of patients with low back pain (time frame: 10 years). 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 NCT05647629, which also lists 8 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 4 May 2026.

Free account

Log in to keep searching

You’ve used your 3 free searches. AzTrials is free: log in or create a free account to keep searching clinical trials and save the ones you want to follow.

Create a free accountLog in