Bach & Hayes9
|
United States |
Not registered |
39, 63/54 |
Psychiatric inpatients |
Individual, four sessions, lasting 45-50 min |
Treatment as usual |
40, 40 |
35, 35 |
No |
Hospitalization |
Not applicable |
4 months following discharge from inpatient care, 7, 14 participants rehospitalized |
Psychiatric hospitalization reported as an outcome |
Gaudiano & Herbert10
|
United States |
Not registered |
Not possible to extract data from the manuscript. Data not reported. |
Psychiatric inpatients |
Individual, one to five sessions (average of three), lasting 60 min |
Enhanced treatment as usual |
19, 21 |
19, 21 |
No |
BPRS: total scoreHospitalization |
58.4 (8.6),59.0 (8.0) |
Prior to discharge from hospital41.6 (7.8), 45.6 (8.5) Nine control and five ACT patients hospitalized |
Psychiatric hospitalization reported as an outcome. Authors report “no adverse events were observed from participation in the study.” |
White12
|
United Kingdom |
The trial was retrospectively registered (NCT01003132), but the registration number was not reported in the manuscript. |
34, 78/48 |
Community-dwelling |
Individual, 10 sessions |
Waitlist |
14, 13 |
14, 10 |
No |
Positive symptoms determined using the positive symptoms subscale of PANSS |
11.36 (2.62), 12.75 (4.16) |
3 months post baseline9.75 (3.60), 11.70 (4.72) |
Participant in the trial did have contact with crisis contacts that would constitute an adverse event, but numbers not reported. Authors stated that “There were no suspected unexpected serious adverse reactions over the course of the trial.” |
Shawyer11
|
Australia |
Retrospectively registered (after the first participant had been enrolled). Reason for retrospective registration not given. |
40, 56/74 |
Community-dwelling |
Individual, 12 sessions, weekly (plus three assessment and engagement sessions) |
Befriending (n=17 participants were initially randomized to a waiting list and then to ACT or befriending) |
21, 22 |
The authors reported that between 18-20 participants were followed up in each group, depending on the measure |
Yes |
PANSS: total score |
67.9 (13.6), 58.1 (8.4) |
Completion of therapy60.1 (15.9), 57.5 (10.4) |
Harms not reported |
Boden29
|
United States |
Prospectively registered |
Not possible to extract data from the manuscript. Data not reported. |
Inpatients |
Individual, four sessions |
The control condition is treatment as usual in registry. In the manuscript, the authors describe attentional control (not described in detail). |
12, 6 |
5, 4 |
No |
Symptoms determined using the BPRS |
Data are not reported in the registry |
Discharge from hospital-8.0 (13.8),-11.6 (5.8) |
No harms reported |
Shawyer30
|
Australia |
Prospectively registered |
34, 61/75 |
Community-dwelling |
Individual, eight sessions, 50 min, weekly to fortnightly, over 3 months, delivered by a clinical psychologist |
8, 50 min sessions of befriending delivered by a clinical psychologist |
49, 47 |
49, 47 |
Yes |
PANSS: total score |
79.2 (14.1),78.6 (14.9) |
Post-therapy74.6 (16.6), 72.6 (14.7) |
The authors state similar rates of hospital admissions in both groups (serious adverse event), but do not report numbers. No other harms reported. |
Spidel16
|
Canada |
Not registered |
Not possible to extract data from the manuscript. Data not reported. Authors state that participants had psychosis and childhood trauma. |
Not specified |
Group, eight sessions (up to eight participants), lasting 90 min |
Waitlist (treatment as usual) |
30, 20 |
30, 15 |
No |
BPRS (expanded) total score |
50.2 (1.6),51.0 (1.9)
|
End of treatment 43.1 (1.6), 51.1 (1.9) |
Not reported |
Tyrberg31
|
Sweden |
Not registered |
41, 62/29 |
Inpatients |
Individual, one to four sessions (average of two), lasting 45 min |
Treatment as usual |
12, 10 |
11, 10 |
No |
Rehospitalization |
Not applicable |
4-month follow-up from trial entry 1, 4 |
Not reported |