Table 2.
Registration of clinical trials with probiotics in international databases.
| Country | Registry | ICTR |
CTG |
||
|---|---|---|---|---|---|
| 12/2017 |
3/2019 |
12/2017 |
3/2019 |
||
| 625 | 1440 | 1067 | 1260 | ||
| China | ChiCTR | 24 | 311 | 33 | 46 |
| Netherlands | NTR | 14 | 15 | 19 | 20 |
| Germany | DRKS | 3 | 31 | 30 | 36 |
| Japan | JPRN | 38 | 53 | 4 | 4 |
| Korea | CRiS | 7 | 27 | 15 | 18 |
| Iran | IRCT | 62 | 248 | 6 | 6 |
| Brazil | ReBec | 3 | 35 | 28 | 33 |
| Cuba | PRCEC | 1 | 1 | - | - |
| Australia/NZl | ACTRN | 35 | 84 | 5 | 6 |
| NCT # | NCT | 347 | 677 | 1067 | 1260 |
Data in the table reflect the number of clinical trials identified by the keyword “probiotics” in the International Clinical Trials Registry Platform (ICTR) and ClinicalTrials.gov (CTG) on December 2017 and March 2019. Chinese Clinical Trial Registry (ChiCTR), The Netherlands National Trial Register (NTR), German Clinical Trials Register (DRKS), Japan Primary Registries Network (JPRN), Clinical Research Information Service (CRiS), Republic of Korea, Iranian Registry of Clinical Trials (IRCT), Brazilian Clinical Trials Registry (ReBec), Cuban Public Registry of Clinical Trials (RPCEC), Australian New Zealand Clinical Trials Registry (ANZCTR). NCT is the identification code of a study registered at clinicaltrials.gov.