Table 3.
Designs of 7 interventional trials registered in ClinicalTrial.gov.
| Characteristics | Number | Percentage (%) |
|---|---|---|
| Primary purpose | ||
| Diagnosis | 3 | 42.86 |
| Treatment | 1 | 14.29 |
| Screening | 1 | 14.29 |
| Health services research | 1 | 14.29 |
| Other | 1 | 14.29 |
| Intervention | ||
| Behavioral | 3 | 42.86 |
| Device | 1 | 14.29 |
| Diagnostic test | 2 | 28.57 |
| Other | 1 | 14.29 |
| Intervention model | ||
| Parallel assignment | 5 | 71.43 |
| Single group assignment | 2 | 28.57 |
| Sequential assignment | 0 | 0 |
| Crossover assignment | 0 | 0 |
| Factorial assignment | 0 | 0 |
| Allocation | ||
| Randomized | 4 | 57.14 |
| Nonrandomized | 1 | 14.29 |
| N/A | 2 | 28.57 |
| Masking | ||
| Single | 2 | 28.57 |
| Double | 1 | 14.29 |
| None (open-label) | 4 | 57.14 |
| Registered year | ||
| 2004-2010 | 0 | 0 |
| 2011-2016 | 1 | 14.29 |
| 2017-2021 | 6 | 85.71 |
| Enrollment | ||
| 0-99 | 1 | 14.29 |
| 100-500 | 6 | 85.71 |
| >500 | 0 | 0 |
| Gender | ||
| Female only | 1 | 14.29 |
| Both | 6 | 85.71 |
| Age | ||
| <18 | 0 | 0 |
| ≥18 | 7 | 100.00 |
| All | 0 | 0 |
| Status | ||
| Not recruiting | 1 | 14.29 |
| Recruiting | 3 | 42.86 |
| Completed | 3 | 42.86 |
| Study results | ||
| Has results | 1 | 14.29 |
| No results available | 6 | 85.71 |
| Sponsor | ||
| University | 4 | 57.14 |
| Hospital | 2 | 28.57 |
| Company/industry | 1 | 14.29 |
| Institute | 0 | 0 |
| Other | 0 | 0 |
| Collaborators | ||
| University | 1 | 14.29 |
| Hospital | 3 | 42.86 |
| Company/industry | 1 | 14.29 |
| Institute | 2 | 28.57 |
| Other | 0 | 0 |
| Location | ||
| America | 3 | 42.86 |
| Europe | 1 | 14.29 |
| Asia | 3 | 42.86 |