Hot pack therapy: a simple fix for back pain?
NCT ID NCT07242183
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study will test whether a single 20-minute hot-pack session can immediately reduce pain and muscle stiffness in adults with low back pain. Twenty-four participants will be randomly assigned to receive either a real hot pack or a room-temperature sham pack. Researchers will measure changes in muscle stiffness and pain right after treatment and check back after 24-48 hours.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Hot-pack therapy (moist heat pack applied to the lower back for 20 minutes)
- What this could lead to
- If it works, this could provide a simple, low-cost option for temporary pain and stiffness relief in people with low back pain.
- What could go wrong
- This is a very small, early-stage trial with only 24 people and a single session. The sham control may also produce some relief, and results may not apply to all types of back pain.
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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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 24 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Nov 2025
An estimate. Start dates often move.
- Expected to finish
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Dec 2025
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 65 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: * Adults aged 18-65 years Nonspecific/mechanical low back pain (clinical diagnosis) Baseline pain ≥3/10 on a 0-10 Visual Analogue Scale (VAS) Able to understand procedures and provide written informed consent Able to attend baseline, immediate post-session, and 24-48 h follow-up assessments Exclusion Criteria: * Neurologic deficit, tumour, or systemic inflammatory disease Prior lumbar spine surgery Heat or cold therapy to the lumbar region within the past 6 weeks Dermatologic lesions, open wounds, or skin conditions over the lumbar area Contraindications to heat (e.g., impaired sensation/neuropathy over the area, severe circulatory disorders) Pregnancy Implanted electronic devices (e.g., pacemaker) Inability to comply with the study schedule or procedures
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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 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.
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