Could a Weight-Loss drug ease chronic back pain? a trial investigates
NCT ID NCT07731256
First seen Jul 28, 2026 · Last updated Jul 29, 2026 · Updated 1 time
Summary
This phase 2 trial tests whether semaglutide, a weekly injection already used for weight loss, can reduce chronic low back pain in adults with obesity. Researchers will compare semaglutide to a placebo over 52 weeks in 250 participants, measuring changes in pain severity, disability, and quality of life. The goal is to see if the drug's effects on weight and inflammation translate into meaningful pain relief.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- semaglutide, a GLP-1 receptor agonist drug given as a weekly injection
- What this could lead to
- If it works, this could offer a new treatment option for chronic low back pain in people with obesity, potentially reducing pain and improving quality of life.
- What could go wrong
- This is a phase 2 trial, so results are still uncertain. Semaglutide can cause side effects like nausea and vomiting, and it is not yet known if any pain relief will be meaningful or lasting.
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.
- Phase
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Phase 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
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About 250 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Feb 2027
An estimate. Start dates often move.
- Expected to finish
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Sep 2031
An estimate. End dates often move.
- Lead sponsor
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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.
- Ages
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18 to 85 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide 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: * Ability to provide informed consent before any trial-related activities * Age: 18-85 years * Chronic low back pain, defined as an average low back pain severity of at least 4/10 present on most days for 3 months or longer. * BMI: 30-49 kg/m2 Exclusion Criteria: * Known or suspected allergy to trial medication(s), excipients, or related products * Contraindications to study medication(s), worded specifically as stated in the product's Prescribing Information * Previous randomization in this trial * Pregnant, breastfeeding, or the intention of becoming pregnant or not using adequate contraceptive measures * Low back pain related to infection, trauma, or malignancy * Plans to undergo new back pain interventions within 3 months. * Considering or have been offered surgery to treat structural disease believed to cause their low back pain, including infection, severe degeneration adjacent to a prior fusion, mobile spondylolisthesis, severe central lumbar stenosis, coronal or sagittal deformity, or other severe structural pathology diagnosed by a board-certified spine surgeon. Ambiguous cases will be adjudicated by a board-certified spine surgeon. * Another source of pain that is more severe than their low back pain (e.g., headache or radiculopathy) * History of or plans to undergo bariatric weight loss surgery * History of a major abdominal or stomach surgery that might affect drug absorption * Decrease in body weight of \> 5 kg within 3 months of screening * History of diabetes mellitus, with HbA1c \> 7 or requiring medical treatment (i.e., insulin or other diabetes medication other than Metformin). * Uncontrolled hypertension, defined as a systolic blood pressure (BP) \> 155 mmHg or a diastolic BP \> 100 mmHg * Clinically significant congestive heart failure, defined as New York Heart Association Class IV, or active symptoms related to heart failure, or exacerbation requiring hospitalization within 90 days of screening. * Any of the following: myocardial infarction, stroke, hospitalization for unstable angina pectoris, or transient ischemic attack within 90 days of screening. * Other medical conditions that could impact their treatment, similar to prior published reports * Treatment with oral or injectable glucagon-like peptide-1 (GLP-1) receptor agonists within 3 months before screening * Active acute or chronic pancreatitis diagnosed within 180 days or history of unprovoked pancreatitis within the past year. * Stage 3 or worse chronic kidney disease (i.e., eGFR \< 60). * Known active gallstone disease, other than disease previously treated with cholecystectomy. * Newly diagnosed or worsening chronic liver disease. * Active malignancy * Major neurological disease, such as multiple sclerosis or Parkinson's Disease * Major psychiatric disease, such as psychosis or schizophrenia, or a psychiatric disease requiring hospitalization in the preceding 12 months * History of a suicide attempt or any reported suicidal behavior reported within 30 days of screening. * Personal history of MEN2 * Personal or family history of medullary thyroid cancer * Impaired sensorium due to alcohol or drug use.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
2 sites. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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The University of Alabama at Birmingham
Birmingham, Alabama, 35294, United States
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Washington University School of Medicine
St Louis, Missouri, 63108, United States
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Other studies related to the condition(s) this trial covers.
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