Condition
Melatonin clinical trials and research
As of November 12, 2026, Find a Trial lists 5 Melatonin clinical trials that are recruiting, at sites in 4 countries (most in Sweden (2), China (1), United States (1)). Every study is explained in plain English. Data from ClinicalTrials.gov and NIH RePORTER, updated November 12, 2026.
- 5Clinical trials
- 4Countries
Newest Melatonin clinical trials
| Study | Phase | Where | Status | Registered |
|---|---|---|---|---|
| Magnesium and melatonin nightly supplement for nighttime leg cramps and poor sleep | — | Birmingham, Alabama and 6 other locations | Recruiting | Jun 16, 2026 |
| Melatonin versus pregabalin for pain and anxiety after spine surgery | — | Tanta, El-Gharbia | Recruiting | Jan 15, 2026 |
| Using light to improve well-being and sleep quality for radiographers | — | Lund, Skåne County and 2 other locations | Recruiting | Nov 13, 2024 |
| Investigating melatonin phase delay in children with idiopathic scoliosis | — | Wenzhou, Zhejiang | Recruiting | Jul 16, 2024 |
| Dynamic lighting to improve sleep and circadian rhythm in frail older adults | — | Malmö | Recruiting | Nov 4, 2021 |
All recruiting trials (5)
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Magnesium and melatonin nightly supplement for nighttime leg cramps and poor sleep
A nightly magnesium and melatonin supplement is being tested to see if it improves sleep quality in adults with nighttime leg cramps.
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Melatonin versus pregabalin for pain and anxiety after spine surgery
This trial will test whether taking melatonin or pregabalin around the time of elective spine surgery reduces postoperative pain and anxiety in adults aged 21–60.
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Using light to improve well-being and sleep quality for radiographers
This study tests if different lighting conditions can help radiographers feel better and sleep more soundly during the darker months of the year.
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Investigating melatonin phase delay in children with idiopathic scoliosis
This study is trying to see if a delay in melatonin levels is common in children with newly diagnosed idiopathic scoliosis and if it might be linked to their condition.
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Dynamic lighting to improve sleep and circadian rhythm in frail older adults
This test will try dynamic, spectrum-changing hospital room lighting to improve sleep and circadian rhythms for people aged 65 and older during their hospital stay.
Related topics
Quick answers
How many Melatonin clinical trials are recruiting right now?
5, as of November 12, 2026. We update this list each time we refresh our data from ClinicalTrials.gov.
Where are these trials running?
In 4 countries. The most sites are in Sweden (2 trials), China (1 trial), United States (1 trial), Egypt (1 trial). Each study page lists its sites and which ones are recruiting.
How do I join one?
Open a study, check the "Is this trial a fit for you?" section, then contact the study team listed on the page. They will ask a few screening questions. Asking is free and does not commit you to anything. Talk it over with your doctor first.
Find the studies that fit you
A list is a starting point. Tell us your situation in your own words and we'll rank the studies that match and explain why. It's free and needs no account.