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Spinal surgery recovery mystery: when does hip strength return?

NCT ID NCT04204135

Knowledge-focused Sponsor: Rush University Medical Center Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only This study
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 26, 2026 · Last updated Jun 26, 2026

Summary

This study follows 22 adults undergoing spinal fusion surgery (LLIF or ALIF) to see how long hip and leg weakness lasts. Researchers measure muscle strength before surgery and again at 6 weeks, 12 weeks, and 6 months after. The goal is to give patients a clearer idea of when they can expect to regain full strength.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If successful, this study could help doctors give patients more accurate recovery timelines after spinal fusion surgery.
What could go wrong
This is a very small observational study (22 people) with no treatment being tested, so results may not apply to everyone and won't change care directly.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

About 22 people

The number the study aims to enrol. It can still change while the study runs.

Started

Oct 2018

Expected to finish

Nov 2027

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Patients undergoing LLIF or ALIF procedures

Ages

Up to 65 years

Sex

Anyone

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * 1-, 2-, or 3-level L2L3, L3L4, or L4L5 LLIF or ALIF for degenerative pathology including radiculopathy, neurogenic claudication, intervertebral disc disease, facet joint disease, degenerative spondylolisthesis, degenerative myelopathy degenerative kyphosis, and scoliosis * Back and/or leg pain * Failed at least 6 months of conservative treatment Exclusion Criteria: * Older than 65 years of age * Prior spinal fusion surgery * Greater than Grade 2 spondylolisthesis * Greater than 10° scoliosis * History of spinal infection

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Conditions

The condition(s) this trial relates to.

intervertebral disk degenerative disorder lumbar disk degenerative disorder spondylolisthesis

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Degenerative disc disease Herniated nucleus pulposus Spondylolisthesis

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Rush University Medical Center

    Chicago, Illinois, 60612, United States

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