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Table 3 Classification of most important MSC therapy clinical trials for CLI

From: Emerging roles of mesenchymal stem cell therapy in patients with critical limb ischemia

NO

Trial ID

Phase/study condition

MSC source

Disease stage

Administration

Administration route

Endpoints

Follow-up (month)

Patient enrollment

1

NCT00468000

II/completed

Ixmyelocel-T (BM-MNCs and BM-MSCs)

NA

35 × 106, 295 × 106

IM

AFS, ABI, tcpO2, AR, UH, VAS

12

72 (48/24)

2

NCT00518401

I/completed

MESENDO (BM-MNCs and BM-MSCs)

NA

20 × 106, 40 × 106

IM

AEs

6

10

3

NCT00721006

II/completed

MESENDO (BM-MNCs and BM-MSCs)

Rutherford 4–6

9 × 106, 18 × 106

IM

PWD, ABI

4

26

4

NCT00883870

I/II/completed

Stempeucel(R) (allogenic BM-MSCs)

Rutherford 4–6

200 × 106

IM

AEs, ABI, AR, NRS, UH

6

20 (10/10)

5

NCT00955669

I/completed

BM-MSCs or MNCs

Fontaine 5

9.3 ± 1.1 × 108 BM, MSC/9.6 ± 1.1 × 108 MNC

IM

AEs, UH, PWD, ABI, tcpO2, ASM

6

40

6

NCT01065337

II/completed

BM-MNCs and BM-MSCs

Fontaine 3–5

200 × 106, 300 × 106

IM

ABI, TcPO2, UH, ILP

12

30

7

NCT01351610

I/II/completed

MSC_Apceth (BM-MSCs)

Rutherford ≥ 4

NA

IA

AEs, VAS

12

25

8

NCT01484574

II/completed

Stempeucel(R) (allogenic BM-MSCs)

Rutherford 3–5

NA

IM

UH, NRS, PWD, AFS, ABI, tcpO2, RA

24

90

9

NCT01456819

II/unknown

BM-MNCs or BM-MSCs

NA

NA

IM

UH, VAS, DSA, ETT

12

50

10

NCT01483898

III/completed

Ixmyelocel-T (BM-MNCs and BM-MSCs)

Rutherford 5

35 × 106, 295 × 106

IM

AFS, UH, MACE

18

41

11

NCT02336646

I/completed

BM-MSCs

Rutherford 4–6

NA

IM

AEs, ABI, tcpO2, WBFRS, TWD

6

18

12

NCT02685098

I/II/recruiting

BM-MSCs

Rutherford 2–4

NA

IM

AEs, TcPO2, ABI, ICA

24

16

13

NCT03042572

II, III/N/A

BM-MSCs

Rutherford class 4–5

150 × 106

IM

VAS, ABI, TBI, PWD, UH

6

66

14

NCT03455335

Ib/completed

BM-MSCs

Rutherford 4, 5

20 × 106, 40 × 106

IM

AEs, AR, ABI, TcPO2, NRS, UH

12

12

15

TRI/2018/02/011839

IV/completed

Stempeucel(R) (allogenic BM-MSCs)

Rutherford 5–6

2 × 106 cells/kg

IM

AEs, ABI, UH, VAS

12

50

16

NCT01257776

I, II/completed

Ad-MSCs or MNCs

Rutherford 2–4

0.5 × 106, 1 × 106 kg/ml

IA

AEs, UH, tcpO2, and ABI

12

36

17

NCT01211028

I, II/completed

Ad-MSCs

Rutherford 2–6

100 × 106

IM

AEs, UH, NRS, VAS, tcpO2, ABI

6

13

18

NCT01302015

NA/completed

RNL-Vascostem® (Ad-MSCs)

Rutherford 4–6

300 × 106

IM

AEs, UH, ABI, ETT, DSA, AR, WBFRS

6

15

19

NCT01745744

II/completed

Ad-MSCs

Rutherford 2–4

0.5 × 106, 1 × 106 cell/kg

IA

AEs, ABI, tcpO2, ulcer size, MWD,

12

33

20

NCT01663376

NA/completed

Ad-MSCs

Rutherford 4–6

100 × 106, 300 × 106

IM

AEs, ABI, DSA, thermography, WBFRS, ETT

12

20

21

NCT01824069

Ib/completed

Ad-MSCs

Rutherford 4–5

1 × 106 cells/kg

IM

AEs, ABI, AR, ILP

12

7

22

NCT02145897

I, II/unknown

Ad-MSCs

Rutherford 4–5

1 × 106 cells/kg

IM/IV

AEs, ABI, tcpO2, UH

9

60

23

NCT03968198

II/recruiting

Ad-MSCs

NA

90 × 106

IM

AFS, ABI, tcpO2, UH

6

43

24

NCT04466007

II/recruiting

Ad-MSCs

Rutherford 4–5

1 × 106 cells/Kg, 2 × 106 cells/Kg

IM

AEs, vascularization, Rutherford–Becker scale, ABI, AR

12

90

25

NCT04661644

I, IIa/recruiting

Ad-MSCs

Rutherford 4–6

1 × 107 cells/1 mL/via, 1 × 108 cells/1 mL/vial

IM

VAS, PWD, ABI, TBI, UH, MTD

6

20

26

NCT04746599

NA/recruiting

Ad-MSCs

NA

NA

IA

NRS, ABI, tcpO2, AFS

6

20

27

NCT05475418

NA/not yet recruiting

Adipose tissue-derived exosomes mixed with hydrogel

Texas grade 1A–D, 2A–D

NA

Wound surface

UH

1

5

28

NCT01558908

I, II/unknown

ERC

Rutherford 4–5

25 × 106, 50 × 106, 100 × 106

IM

AEs, ABI, VAS, UH, tcpO2

13

15

29

NCT03267784

I, IIa/completed

ABCB5-positive MSCs

Wagner 1–2

2 × 106/cm2 wound surface area

Wound surface

AEs, ABI, UH, NRS, AR

12

23

30

NCT01216865

I, II/unknown

UCB-MSCs

NA

50 × 106

IM

Angiogenesis, ABI, UH, PWD, AR

6

50

31

NCT03994666

II/unknown

UCB-MSCs

NA

60 × 106, 120 × 106

IM

AEs, ABI, tcpO2, DR

12

30

32

NCT03423732

II, III/active, not recruiting

CardioCell (WJ-MSC)

Rutherford 4–5

30 × 106

IM, IA

ABI, tcpO2, AFS, UFS

12

50

33

NCT01859117

I/completed

Cenplacel (PDA-002) (P-MSCs)

Wagner 1–2

3 × 106 10 × 106 30 × 106 100 × 106

IM

AEs, UH, ABI, TBI

24

15

34

NCT00919958

I/completed

PLX-PAD (P-MSCs)

Rutherford 4–5

175 × 106, 315 × 106, 595 × 106

IM

AEs, IR tumorigenesis, AS

24

15

35

NCT00951210

I/completed

PLX-PAD (P-MSCs)

Rutherford 4–5

280 × 106

IM

AEs, DR, AR, IR, VAS

6

12

36

NCT01679990

II/completed

PLX-PAD (P-MSCs)

Rutherford 2–4

NA

IM

MWD

12

180

37

NCT03006770

III/active, not recruiting

PLX-PAD (P-MSCs)

Rutherford 5

300 × 106

IM

MA, DR, NRS, UH

36

213

38

ChiCTR-ONC-16008732

I/completed

P-MSCs

NA

1 × 106 cells/kg

IM

AEs, PWD, MRA, ABI, UH, AR

6

4

39

IRCT20210221050446N1

I, IIa/active

P-MSCs

Rutherford 4–6

20 × 106, 30 × 106, 60 × 106

IM

AR, AEs, ABI, DSA, IR, UH, MTD, PWD, NRS

6

9

  1. ABI ankle-brachial index, AEs adverse events, AFS amputation-free survival, AR amputation rate, ASM angiographic score of MRA, DR death rate, DSA digital subtraction angiography, ETT exercise treadmill test, IA intra-arterial, ICA indocyanine angiography angiogram, ILP improvement of local perfusion transluminal angioplasty, IM intramuscular, IR immunological reaction, IV intravenous, MACE major adverse cardiac event, MRA magnetic resonance angiography, MTD maximum tolerable dose, MWD maximal walking distance, NA not applicable, NRS numeric rating scale, PWD pain-free walking distance, ERC endometrial regenerative cell (menstrual mesenchymal stem cells), TBI toe-brachial index, TcPO2 transcutaneous oxygen pressure, TWD total walking distance, UFS ulcer-free survival, UH ulcer healing, VAS visual analog scale, WBFRS Wong–Baker FACES pain rating score, WJ-MSC Wharton’s jelly mesenchymal stem cell