Authors and year | Type of sleep study | Design | Sample size | Intervention | Location and name of device | Control | Follow-up/wash-out |
Bignold et al, 20117 | Polygraphy | Randomised cross-over trial | n=15 | PT | Chest; BuzzPOD | Inactive treatment | 3 weeks/1 week wash-out |
van Maanen et al, 201236 | PSG | Randomised cross-over trial | n=30 | PT | Neck, prototype | Inactive treatment | 1 night with device on and 1 night off/1–2 weeks wash-out |
Dieltjens et al, 201537 | PSG | Randomised cross-over trial | n=20 | PT | Chest, Night Balance | MAD only, PT+MAD | 1 night intervention/no wash-out |
Eijsvogel et al, 201538 | PSG | Parallel RCT | n=55 | PT | Chest, Night Balance | TBT | 1 month |
Benoist et al, 201739 | PSG | Multicentre parallel RCT | n=99 | PT | Chest, Night Balance | MAD | 3 months |
Laub et al, 201740 | Polygraphy | Parallel RCT | n=101 | PT | Chest, Night Balance | No treatment | 2 months |
Berry et al, 201941 | PSG | Multicentre randomised cross-over trial | n=117 | PT | Chest, Night Balance | APAP | 6 weeks/no wash-out |
Mok et al, 202042 | PSG | Randomised cross-over trial | n=40 | PT | Neck, Night Shift | APAP | 8 weeks/1 week wash-out |
Hidalgo Armas et al, 202143 | PSG | Parallel RCT | n=128 | PT | Forehead, Somnibel | No treatment, Inactive treatment | 12 weeks |
Suzuki et al, 202144 | PSG | Parallel RCT | n=160 | PT | Neck, Night Shift | MAD | 8 weeks |
For more information on the location and the names of the device, see figure 1.
APAP, auto-adjusting positive airway pressure; MAD, mandibular advancement device; n, sample size; PSG, polysomnography; PT, positional therapy; RCT, randomised controlled trials; TBT, tennis-ball technique.