| Study | Clinical status | COVID-19 | Demographics | Environmental Exposure | Health Care | Imaging | Parent/ Caretaker | Quality of Life | Tests | Therapeutics |
|---|---|---|---|---|---|---|---|---|---|---|
| CSSCD | 1637 | 594 | 5 | 67 | 364 | 124 | 381 | 2478 | 503 | |
| walk-PHaSST | 416 | 29 | 15 | 71 | 33 | 114 | 360 | 269 | ||
| SAC | 350 | 8 | 32 | 11 | 22 | 1 | 103 | 166 | ||
| SIT Trial | 679 | 54 | 3 | 11 | 23 | 26 | 236 | 125 | ||
| SCDIC Registry | 405 | 57 | 41 | 43 | 144 | 27 | 136 | 144 | ||
| HCT for SCD | 2 | 5 | 1 | 19 | 128 | |||||
| SCCRIP | 38 | 12 | 5 | 8 | 2 | 34 | 18 | |||
| STOP I and II | 632 | 4 | 3 | 2 | 294 | 279 | 215 | |||
| MSH | 185 | 39 | 2 | 10 | 71 | 49 | 160 | 147 | ||
| (SC)2 | 182 | 25 | 68 | 9 | 109 | 37 | ||||
| SCDAA | 4 | 3 | 11 | 1 | 4 | 15 | ||||
| DISPLACE | 41 | 6 | 2 | 38 | 2 | 18 | 73 | |||
| OMG-SCD | 2 | 2 | 23 | 1 | ||||||
| PharmHU | 3 | 3 | 1 | |||||||
| REDS-BSCDC | 1 | 5 | 1 | |||||||
| PUSH_SCD | 18 | 5 | 5 | 38 | 3 | |||||
| Boston Brazil SCD | 6 | 1 | 8 | 1 | ||||||
| Baby HUG | 758 | 33 | 45 | 237 | 37 | 175 | 301 | 119 | ||
| BMT CTN - UD HCT for cSCD-0601 | 459 | 4 | 23 | 16 | 14 | 123 | 80 | 172 | ||
| CSCC-C-Data | 336 | 34 | 69 | 40 | 2 | 141 | 39 | 57 | ||
| SCDIC mESH | 14 | 18 | 172 | 9 | 83 | 73 | ||||
| SCDIC ALIGN | 13 | 5 | 114 | 20 | ||||||
| CSCC-Arginine | 63 | 4 | 19 | 34 | 313 | 29 | ||||
| CSCC-Dexamethasone | 146 | 13 | 29 | 8 | 113 | 103 | ||||
| CSCC-HU-Mg | 46 | 3 | 1 | 1 | 338 | 21 | ||||
| CSCC-Neuropsych | 512 | 15 | 13 | 26 | 111 | 45 | ||||
| CSCC-Priapism | 114 | 12 | 4 | 8 | 23 | 14 | ||||
| CIP | 2 | 2 | 1 | |||||||
| GE-SCD-iPS | 4 | 1 | ||||||||
| ASCQ-Me | 120 | 2 | 26 | 139 | 3 |