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Table 4 Summary of included studies

From: Immunoglobulin utilization in Canada: a comparative analysis of provincial guidelines and a scoping review of the literature

Study

Type of work

Location

Sample Size / Cohort

IG type

Study period

Study Design/Analysis

Alcantara et al. (2021) [32]

Journal article

Single site in Toronto, Ontario

34 patients with generalized MG

IVIG & SCIG

2015–2020

Retrospective cohort study

Arnold et al. (2020) [50]

Journal article

Canada-wide

74 patients with ITP

IVIG vs eltrombopag

2013–2019

Clinical trial (randomized, open-label)(Bridging ITP Trial)

Bourque et al. (2016) [31]

Journal article

Single site in Ottawa, Ontario

9 patients with MG

IVIG & SCIG

2015–2016

Retrospective cohort study

Brownlee et al. (2022) [48]

Journal article

Single site in Ottawa, Montreal

10 patients with PID or SID who did not tolerate the side effects of 20% SCIG

SCIG

2018–2020

Prospective cohort

Fu et al. (2018) [35]a

Journal article

Single site in Toronto, Ontario

57 PID patients

SCIG & IVIG

Study published in 2018-

Cost savings study

Gerth et al. (2014) [34]a

Journal article

N/A

PID/SID patients

IVIG & SCIG

N/A

Cost savings simulation study

Hsia et al. (2015) [27]

Journal article

Two hospitals in Ontario

383 adult patients with ITP

IVIG

2003–2012

Retrospective audit

Jutras et al. (2021) [26]

Journal article

Single site in Montréal Québec

172 critically ill pediatric patients

IVIG

2013–2018

Retrospective cohort study

Kaur et al. (2022) [51]

Journal article

Canada-wide

74 patients with ITP

IVIG vs eltrombopag

2013–2019

Cost-effectiveness analysis of data from Bridging ITP Trial

Keith et al. (2022) [46]a

Journal article

6 centers across Canada (except Québec)

125 Patients with PID or SID

SCIG

2018–2020

Phase 4, non-interventional, prospective, single-arm study

Kobayashi et al. (2022) [47]a

Journal article

Multi-national, including Canada

102 patients with PID

SCIG

238 weeks follow-up duration. Dates were not mentioned

Secondary analysis of data from previous single-arm phase 3 trials

Liu et al. (2019) [28]

Journal article

Single site in Toronto, Ontario

40 patients with ITP

IVIG

2014

Audit

Mallick et al. (2022) [41]a

Journal article

Canada-wide

296 Patients with PID or SID

SCIG & IVIG

2020–2021

Survey Study

Murphy et al. (2019) [17]

Journal article

Four sites in Ottawa, Ontario

2629 patients

IVIG

2007–2016

Trend Analysis

Reid et al. (2014) [37]

Journal article

Referral centers or community hospitals in Ontario

169 patients who were on hospital-based IG replacement therapy

IVIG & SCIG

Survey using questionnaire

Ritchie et al. (2022) [36]a

Journal article

Alberta, Province-wide

7890 adult and pediatric patients who used IG products

SCIG & IVIG

2012–2019

Retrospective population-based cohort

Shih et al. (2017) [9]

Journal article

Four sites in Ontario

178 adult patients

IVIG

2014

Audit

Sholapur et al. (2016) [38]

Journal article

Single site in Ontario

12 ITP patients

IVIG

Study published in 2016-

Cross-sectional study

Suleman et al. (2019) [33]a

Journal article

Single site in Ottawa, Ontario

19 patients with immune-mediated neurological disorders

IVIG & SCIG

2010–2016

Retrospective cohort study

Sultan et al. (2017) [39]a

Journal article

Single site in Montreal, Québec

60 children with PID

SCIG

Study published in 2017-

Cross-sectional study

Tran et al. (2023) [29]

Journal article

Three hospitals in British Columbia

114 patients with SID

SCIG & IVIG

2018–2019

Retrospective cohort/audit

Walter et al (2014) [45]

Journal article

Manitoba, province-wide

62 patients with PID

SCIG

2007–2018

Retrospective

Abadeh et al. (2023) [49]

Conference abstract

Ontario, multicentre

108 patients with SID

IVIG/SCIG

2020–2022

Cross-sectional

Furlan et al. (2016) [52]

Conference abstract

Ontario

32 patients who received IVIG and 38 patients treated with plasma exchange

IVIG

2007–2010

Cost-minimization analysis

Mallon et al. (2016) [43]

Conference abstract

Alberta, multicentre

8 patients with MG

SCIG

Clinical trial

Shabani-Rad et al. (2018) [30]

Conference abstract

Calgary, Alberta

IVIG recipients

IVIG

2017

Cross-sectional

Siddiqi et al. (2018) [44]

Conference abstract

Alberta, multicentre

822 patients with MG

SCIG

Clinical trial

Streu et al (2016) [42]

Conference abstract

Manitoba, single centre

53 patients with CLL

SCIG

Two year period

Prospective

Zhou et al. (2021) [40]

Conference abstract

Ontario, single centre

Adult patients receiving IVIG for Inflammatory Myositis

IVIG/SCIG

Survey

  1. IVIG: intravenous immunoglobulin; SCIG: subcutaneous immunoglobulin; MG: myasthenia gravis; ITP: immune thrombocytopenia; PID: primary immune deficiency; SID: secondary immune deficiency. The key findings of the publications in this table can be found in Additional file 1: Table S3
  2. aStudies were funded by IVIG/SCIG manufacturers. Fu et al., Gerth et al., Mallick et al., Ritchie et al., Suleman et al., and Sultan et al. were funded by CSL Behring. Keith et al. were funded by Baxalta US Inc. and Baxalta Innovations GmBH. Kobayashi et al. was funded by Octapharma AG