RCTs of hypnosis/self-hypnosis or autogenic training for asthma symptoms
| Design | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| a) Sample size calculated | d) daily | ||||||||
| N [age range] ATS criteria | b) true randomised | e) duration | Dropouts (DO) and withdrawals (WD) | ||||||
| Source | c)blind | f) follow up | Treatment | Control | Jadad score | Primary measures | Results | ||
| FEV1=forced expiratory volume in 1 second, Raw=airway resistance, NSD=no significant difference (between groups). | |||||||||
| Anon18 | 252 [10–60 years] | Multicentre two parallel groups | Hypnosis and self hypnosis at home 15 min (n=127) | Relaxation and breathing exercises 15 min (n=125) | 28 DO and 8 WD from treatment group; 22 DO and 18 WD from control group | 3 | i) FEV1 | i) NSD | |
| No | a) no | d) yes | ii) Daily wheeze and medication diary | ii) NSD | |||||
| b) yes | e) 1 year | ||||||||
| c) no | f) no | ||||||||
| Deter and Allert19 | 31 [16–60 years] | Three parallel groups | 1 session for 1 hr/wk | Waiting list control group (n=12) | 2 DO autogenic; 3 DO systematic relaxation | 2 | i) Raw | i) NSD | |
| No | a) no | d) no | Info, discussion and autogeneic training (n=9) | ii) Use of sympathomimetics | ii) NSD | ||||
| b) yes | e) 1 year | iii) Self score | iii) NSD | ||||||
| c) no | f) 1 year | Info, discussion and systematic relaxation (n=10) | iv) GP visits | iv) NSD | |||||