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Table 2 Characteristics of the included studies in the review

From: Effect of stem cell treatment on functional recovery of spinocerebellar ataxia: systematic review and meta-analysis

Authors (year)

Participants

Study Design

Country

Inclusion Criteria

Exclusion Criteria

Outcome assessed

Follow-up

PEDro Score

Dongmei et al. (2011) [19]

n = 24 (14: SCA and 10: MSA-C)

Age: 46 years old

Non-randomized clinical trial

China

SCA

Cardiopulmonary, renal and hepatic dysfunction, or systemic infection.

ICARS and ADL

6 and 15 months

5 Points

Jin et al. (2013) [20]

n = 16

Age: 39.9 ± 10.2 years old

Open label uncontrolled clinic trial

China

SCA1, SCA2 or SCA3, age 16–65 years old.

Cardiopulmonary, renal and hepatic dysfunction, or systemic infection; tumor markers; blood pressure > 180/110 mmHg; pregnancy or breastfeeding.

BBS and ICARS

3, 6 and 12 months

6 Points

Tsai et al. (2017) [21]

n = 7

Age: 48.85 ± 14.75 years old

Pilot open label Phase I / IIa clinical trial

Taiwan

SCA 3 or MSA-C varying 10–20 on SARA

Another trial with cell therapy less than 30 days, positive pregnancy test.

SARA, SOT, MRI and F-FDG PET

12 months

5 Points

  1. Legends: SCA Spinocerebellar Ataxia, MSA-C Multiple System Atrophy-Cerebelar Type, SARA Scale for the Assessment and Rating of Ataxia, ICARS International Cooperative Ataxia Rating Scale, ADL Activity of Daily Living Scale, BBS Berg Balance Scale, SOT Posturography, MRI Magnetic Resonance Imaging, F-FDG PET Fluoro-D-glucose integrated with computed tomography. The diagnosis of spinocerebellar ataxia in all studies followed Harding’s diagnostic pattern with molecular confirmation