Characteristics of trials in PACTR
Description | N (%) |
Number of trials registered | 2998 |
Number of studies completed | 1083 (36.1) |
Number of completed with results | 94 (3.1) |
Overall trial status | |
Completed | 1083 (36.1) |
Recruiting | 755 (25.2) |
Not yet recruiting/pending | 836 (27.9) |
Recruiting | 755 (25.2) |
Stopped/terminated | – |
Suspended | 7 (0.2) |
Pending | 836 (27.5) |
Other/unknown | 317 (10.6) |
Prospective/retrospective | |
Prospectively registered | 1655 (55.2) |
Retrospectively registered | 1343 (44.8) |
Intervention model | |
Parallel assignment | 2124 (70.8) |
Single group assignment | 59 (2.0) |
Cross-over assignment | 201 (6.7) |
Factorial assignment | 589 (19.6) |
Sequential assignment | 13 (0.4) |
None (open label) | 12 (0.4) |
Phase | |
Not reported | 2310 (77.1) |
Phase I | 192 (6.5) |
Phase II | 138 (4.6) |
Phase III | 199 (6.6) |
Phase IV | 155 (5.2) |
Primary sponsor | |
University | 196 (6.5) |
Industry or non-governmental organisation | 61 (2.0) |
Government | 107 (3.6) |
Charities | 94 (3.1) |
Hospital | 67 (2.2) |
Self-funded | 693 (23.1) |
Funding agency | 142 (4.7) |
Other | 45 (1.5) |
No funding | 1639 (54.7) |
Ethics approval received | |
Yes | 2691 (90) |
No | 307 (10) |
Sex | |
Both male and female | 2240 (74.7) |
Female | 628 (20.9) |
Male | 130 (4.3) |
The target number of participants | |
Minimum, maximum | 0–1 087 000 |
Mean (SD) | 1–140.7 (26–156.8) |
Median (IQR) | 80 (1–125) |
PACTR, Pan African Clinical Trials Registry.