double blind clinical trials Posts

Italian Study Shows Static Magnetic Fields Benefits Pain.

DISCLAIMER:
The type of magnet used is this study is not a Q Magnet.

 

An Italian study using neodymium magnets sewn into textile supports worn 2-8 hours/day for 4 months has shown significant benefits over and above placebo. The 48 subjects enrolled in the study suffered from osteoarthritis or osteoporosis and were assessed for pain perception at 2 and 4 months after commencing the trial.

The perception of pain was significantly reduced in the active group (36% reduction) and increased in the placebo group (3.4% increase) (p<0.001). In addition, there was an improvement in the quality of sleep in patients with osteoarticular pain.

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The challenges of designing a placebo static magnet for double blind clinical trials

Active and placebo magnets

Clinical trials involving static magnets pose a difficult dilemma for researchers; how to “protect the blind”. That is, seeing you can’t hide a magnetic field, how do you prevent a patient from testing the magnet with, say a paper clip?

For studies like Vallbona it’s not such an issue, as subjects only wear the devices for 45 minutes and researchers can closely monitor subjects to make sure no one “cheats”.

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