Table 1.

Number of clinical trials with the term “stem cell” in major geographical regions. Data taken from https://clinicaltrials.gov/ for North America and Asia and https://www.clinicaltrialsregister.eu/ctr-search/search for Europe, at 14.12.2017. ^∗Number presented includes clinical studies with phase or status not declared. ^†The numbers include also studies declared as terminated or prematurely ended.

Country/region	USA	Canada	Europe	China	Republic of Korea	Japan	India
Stem cell clinical trials up to 2018∗	2360	277	788	326	160	27	70
Phase 1	766	49	144	153	50	11	47
Phase 1 + 2	1671	150	589	228	107	16	62
Phase 2	1211	129	561	183	82	8	44
Phase 3	184	91	193	39	17	8	7
Phase 4	18	2	36	24	9	0	0
Ongoing	908	117	574	141	54	11	12
Suspended	18	2	28	2	0	0	1
Terminated†	255	22	108	2	9	1	4
Completed	1020	118	231	48	59	12	27
With results	418	51	107	4	6	6	2
Without results	1942	226	678	322	154	21	68