Table 1

Characteristics of trials in PACTR

DescriptionN (%)
Number of trials registered2998
Number of studies completed1083 (36.1)
Number of completed with results94 (3.1)
Overall trial status
 Completed1083 (36.1)
 Recruiting755 (25.2)
 Not yet recruiting/pending836 (27.9)
 Recruiting755 (25.2)
 Stopped/terminated
 Suspended7 (0.2)
 Pending836 (27.5)
 Other/unknown317 (10.6)
Prospective/retrospective
 Prospectively registered1655 (55.2)
 Retrospectively registered1343 (44.8)
Intervention model
 Parallel assignment2124 (70.8)
 Single group assignment59 (2.0)
 Cross-over assignment201 (6.7)
 Factorial assignment589 (19.6)
 Sequential assignment13 (0.4)
 None (open label)12 (0.4)
Phase
 Not reported2310 (77.1)
 Phase I192 (6.5)
 Phase II138 (4.6)
 Phase III199 (6.6)
 Phase IV155 (5.2)
Primary sponsor
 University196 (6.5)
 Industry or non-governmental organisation61 (2.0)
 Government107 (3.6)
 Charities94 (3.1)
 Hospital67 (2.2)
 Self-funded693 (23.1)
 Funding agency142 (4.7)
 Other45 (1.5)
 No funding1639 (54.7)
Ethics approval received
 Yes2691 (90)
 No307 (10)
Sex
 Both male and female2240 (74.7)
 Female628 (20.9)
 Male130 (4.3)
The target number of participants
 Minimum, maximum0–1 087 000
 Mean (SD)1–140.7 (26–156.8)
 Median (IQR)80 (1–125)
  • PACTR, Pan African Clinical Trials Registry.