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Cochrane Database of Systematic Reviews

Mycophenolate mofetil versus methotrexate for prevention of graft‐versus‐host disease in people receiving allogeneic hematopoietic stem cell transplantation

Information

DOI:
https://doi.org/10.1002/14651858.CD010280.pub2Copy DOI
Database:
  1. Cochrane Database of Systematic Reviews
Version published:
  1. 25 July 2014see what's new
Type:
  1. Intervention
Stage:
  1. Review
Cochrane Editorial Group:
  1. Cochrane Haematology Group

Copyright:
  1. Copyright © 2014 The Cochrane Collaboration. Published by John Wiley & Sons, Ltd.

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Authors

  • Mohamed Kharfan‐Dabaja

    Department of Blood and Marrow Transplantation, H. Lee Moffitt Cancer Center, Division of Oncologic Sciences, University of South Florida, Tampa, USA

    Division of Hematology‐Oncology and Bone Marrow Transplantation Program, American University of Beirut, Beirut, Lebanon

  • Rahul Mhaskar

    Center for Evidence Based Medicine and Health Outcomes Research, University of South Florida, Tampa, USA

  • Tea Reljic

    Center for Evidence Based Medicine and Health Outcomes Research, University of South Florida, Tampa, USA

  • Joseph Pidala

    Department of Blood and Marrow Transplantation, H. Lee Moffitt Cancer Center, Division of Oncologic Sciences, University of South Florida, Tampa, USA

  • Janelle B Perkins

    Department of Blood and Marrow Transplantation, H. Lee Moffitt Cancer Center, Division of Oncologic Sciences, University of South Florida, Tampa, USA

  • Benjamin Djulbegovic

    Department of Blood and Marrow Transplantation, H. Lee Moffitt Cancer Center, Division of Oncologic Sciences, University of South Florida, Tampa, USA

    USF Clinical Translational Science Institute, Departments of Medicine, Hematology and Health Outcome Research, University of South Florida, Tampa, USA

  • Ambuj Kumar

    Correspondence to: Center for Evidence Based Medicine and Health Outcomes Research, University of South Florida, Tampa, USA

    [email protected]

    [email protected]

Contributions of authors

Mohamed Kharfan‐Dabaja (MK‐D), Joseph Pidala (JAP), Janelle B Perkins (JBP), Benjamin Djulbegovic (BD), Ambuj Kumar (AK), and Rahul Mhaskar (RM) contributed to the initiation and design of this review.

Tea Reljic (TR) and RM conducted the search, study selection, and data extraction.

MK‐D, JAP, and AK resolved any disagreements during the conduct of the review.

MK‐D and AK performed a random data check prior to analysis.

TR and RM performed all analyses.

MK‐D, JAP, JBP, and BD contributed clinical expertise.

BD, RM, TR, and AK contributed statistical and methodological expertise.

Sources of support

Internal sources

  • None, Other.

External sources

  • None, Other.

Declarations of interest

The review authors have no conflicts of interest to report.

Acknowledgements

We would like to thank the Cochrane Haematological Malignancies Group for critical reading of our protocol and review, and helpful feedback.

Version history

Published

Title

Stage

Authors

Version

2014 Jul 25

Mycophenolate mofetil versus methotrexate for prevention of graft‐versus‐host disease in people receiving allogeneic hematopoietic stem cell transplantation

Review

Mohamed Kharfan‐Dabaja, Rahul Mhaskar, Tea Reljic, Joseph Pidala, Janelle B Perkins, Benjamin Djulbegovic, Ambuj Kumar

https://doi.org/10.1002/14651858.CD010280.pub2

2012 Dec 12

Mycophenolate mofetil versus methotrexate for prevention of acute graft‐versus‐host disease in patients receiving allogeneic hematopoietic stem cell transplantation

Protocol

Mohamed Kharfan‐Dabaja, Rahul Mhaskar, Tea Reljic, Joseph Pidala, Janelle B Perkins, Benjamin Djulbegovic, Ambuj Kumar

https://doi.org/10.1002/14651858.CD010280

Differences between protocol and review

Due to the small number of studies identified by this systematic review and the lack of data reported by subgroup, we have not performed any subgroup analyses or sensitivity analyses proposed in the protocol.

Keywords

MeSH

PICOs

Population
Intervention
Comparison
Outcome

The PICO model is widely used and taught in evidence-based health care as a strategy for formulating questions and search strategies and for characterizing clinical studies or meta-analyses. PICO stands for four different potential components of a clinical question: Patient, Population or Problem; Intervention; Comparison; Outcome.

See more on using PICO in the Cochrane Handbook.

Study flow diagram.
Figures and Tables -
Figure 1

Study flow diagram.

Risk of bias graph: review authors' judgments about each risk of bias item presented as percentages across all included studies.
Figures and Tables -
Figure 2

Risk of bias graph: review authors' judgments about each risk of bias item presented as percentages across all included studies.

Risk of bias summary: review authors' judgments about each risk of bias item for each included study.
Figures and Tables -
Figure 3

Risk of bias summary: review authors' judgments about each risk of bias item for each included study.

Comparison 1 Mycophenolate mofetil versus methotrexate, Outcome 1 Prevention of acute GVHD grade II to IV.
Figures and Tables -
Analysis 1.1

Comparison 1 Mycophenolate mofetil versus methotrexate, Outcome 1 Prevention of acute GVHD grade II to IV.

Comparison 1 Mycophenolate mofetil versus methotrexate, Outcome 2 Overall survival.
Figures and Tables -
Analysis 1.2

Comparison 1 Mycophenolate mofetil versus methotrexate, Outcome 2 Overall survival.

Comparison 1 Mycophenolate mofetil versus methotrexate, Outcome 3 Time to neutrophil engraftment.
Figures and Tables -
Analysis 1.3

Comparison 1 Mycophenolate mofetil versus methotrexate, Outcome 3 Time to neutrophil engraftment.

Comparison 1 Mycophenolate mofetil versus methotrexate, Outcome 4 Time to platelet engraftment.
Figures and Tables -
Analysis 1.4

Comparison 1 Mycophenolate mofetil versus methotrexate, Outcome 4 Time to platelet engraftment.

Comparison 1 Mycophenolate mofetil versus methotrexate, Outcome 5 Incidence of relapse.
Figures and Tables -
Analysis 1.5

Comparison 1 Mycophenolate mofetil versus methotrexate, Outcome 5 Incidence of relapse.

Comparison 1 Mycophenolate mofetil versus methotrexate, Outcome 6 Nonrelapse mortality.
Figures and Tables -
Analysis 1.6

Comparison 1 Mycophenolate mofetil versus methotrexate, Outcome 6 Nonrelapse mortality.

Comparison 1 Mycophenolate mofetil versus methotrexate, Outcome 7 Prevention of chronic GVHD.
Figures and Tables -
Analysis 1.7

Comparison 1 Mycophenolate mofetil versus methotrexate, Outcome 7 Prevention of chronic GVHD.

Comparison 1 Mycophenolate mofetil versus methotrexate, Outcome 8 Incidence of severe mucositis.
Figures and Tables -
Analysis 1.8

Comparison 1 Mycophenolate mofetil versus methotrexate, Outcome 8 Incidence of severe mucositis.

Comparison 1 Mycophenolate mofetil versus methotrexate, Outcome 9 Use of total parenteral nutrition.
Figures and Tables -
Analysis 1.9

Comparison 1 Mycophenolate mofetil versus methotrexate, Outcome 9 Use of total parenteral nutrition.

Comparison 1 Mycophenolate mofetil versus methotrexate, Outcome 10 Incidence of narcotic use for pain control.
Figures and Tables -
Analysis 1.10

Comparison 1 Mycophenolate mofetil versus methotrexate, Outcome 10 Incidence of narcotic use for pain control.

Summary of findings for the main comparison. Mycophenolate mofetil versus methotrexate for prevention of graft‐versus‐host disease in people receiving allogeneic hematopoietic stem cell transplantation

Mycophenolate mofetil versus methotrexate for prevention of graft‐versus‐host disease in people receiving allogeneic hematopoietic stem cell transplantation

Patient or population: people receiving allogeneic hematopoietic stem cell transplantation
Settings: inpatients/hospital
Intervention: mycophenolate mofetil versus methotrexate

Outcomes

Illustrative comparative risks* (95% CI)

Relative effect
(95% CI)

No of Participants
(studies)

Quality of the evidence
(GRADE)

Assumed risk

Corresponding risk

Methotrexate

Mycophenolate mofetil

Overall survival

HR 0.73

(0.45 to 1.17)

129
(2 studies)

⊕⊕⊝⊝
low1,3

Prevention of acute GVHD grade II to IV

Study population

RR 1.25
(0.75 to 2.09)

174
(3 studies)

⊕⊝⊝⊝
very low1,2,3

595 per 1000

744 per 1000
(446 to 1000)

Moderate5

368 per 1000

460 per 1000
(276 to 769)

Incidence of relapse

Study population

RR 0.84
(0.52 to 1.38)

129
(2 studies)

⊕⊕⊝⊝
low1,3

348 per 1000

293 per 1000
(181 to 481)

Moderate5

386 per 1000

324 per 1000
(201 to 533)

Nonrelapse mortality

Study population

RR 1.21
(0.62 to 2.36)

89
(1 study)

⊕⊕⊝⊝
low1,4

255 per 1000

309 per 1000
(158 to 603)

Moderate5

255 per 1000

309 per 1000
(158 to 602)

Prevention of chronic GVHD

Study population

RR 0.92
(0.65 to 1.3)

129
(2 studies)

⊕⊕⊝⊝
low1,3

500 per 1000

460 per 1000
(325 to 650)

Moderate5

539 per 1000

496 per 1000
(350 to 701)

Incidence of severe mucositis

Study population

RR 0.48
(0.32 to 0.73)

174
(3 studies)

⊕⊕⊝⊝
low1,3

557 per 1000

267 per 1000
(178 to 407)

Moderate5

579 per 1000

278 per 1000
(185 to 423)

Use of total parenteral nutrition

Study population

RR 0.48
(0.26 to 0.91)

129
(2 studies)

⊕⊕⊝⊝
low1,3

606 per 1000

291 per 1000
(158 to 552)

Moderate5

614 per 1000

295 per 1000
(160 to 559)

Incidence of narcotic use for pain control

Study population

RR 0.76
(0.63 to 0.91)

129
(2 studies)

⊕⊕⊝⊝
low1,3

909 per 1000

691 per 1000
(573 to 827)

Moderate5

921 per 1000

700 per 1000
(580 to 838)

*The basis for the assumed risk (e.g. the median control group risk across studies) is provided in footnotes. The corresponding risk (and its 95% confidence interval) is based on the assumed risk in the comparison group and the relative effect of the intervention (and its 95% CI).
CI: confidence interval; GVHD: graft‐versus‐host disease; HR: hazard ratio; RR: risk ratio.

GRADE Working Group grades of evidence
High quality: Further research is very unlikely to change our confidence in the estimate of effect.
Moderate quality: Further research is likely to have an important impact on our confidence in the estimate of effect and may change the estimate.
Low quality: Further research is very likely to have an important impact on our confidence in the estimate of effect and is likely to change the estimate.
Very low quality: We are very uncertain about the estimate.

1 Only one of the included articles described an adequate method of generation of randomization sequence and reported an adequate concealment of the sequence of allocation (Perkins 2010). The trials conducted by Kiehl et al. and Perkins et al. were open‐label trials.
2 The pooled estimate has wide confidence intervals, which reflects lower precision of the estimate.
3 Only three RCTs are published comparing mycophenolate mofetil versus methotrexate which reflects potential publication bias.
4 Data were reported in only one RCT.

5 Generated by GRADEpro software based on event rate in the control arm of included studies.

Figures and Tables -
Summary of findings for the main comparison. Mycophenolate mofetil versus methotrexate for prevention of graft‐versus‐host disease in people receiving allogeneic hematopoietic stem cell transplantation
Comparison 1. Mycophenolate mofetil versus methotrexate

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Prevention of acute GVHD grade II to IV Show forest plot

3

174

Risk Ratio (M‐H, Random, 95% CI)

1.25 [0.75, 2.09]

2 Overall survival Show forest plot

2

129

Hazard Ratio (Random, 95% CI)

0.73 [0.45, 1.17]

3 Time to neutrophil engraftment Show forest plot

2

129

Hazard Ratio (Random, 95% CI)

0.77 [0.51, 1.17]

4 Time to platelet engraftment Show forest plot

2

129

Hazard Ratio (Random, 95% CI)

0.87 [0.81, 0.93]

5 Incidence of relapse Show forest plot

2

129

Risk Ratio (IV, Random, 95% CI)

0.84 [0.52, 1.38]

6 Nonrelapse mortality Show forest plot

1

89

Risk Ratio (M‐H, Random, 95% CI)

1.21 [0.62, 2.36]

7 Prevention of chronic GVHD Show forest plot

2

129

Risk Ratio (M‐H, Random, 95% CI)

0.92 [0.65, 1.30]

8 Incidence of severe mucositis Show forest plot

3

174

Risk Ratio (M‐H, Random, 95% CI)

0.48 [0.32, 0.73]

9 Use of total parenteral nutrition Show forest plot

2

129

Risk Ratio (M‐H, Random, 95% CI)

0.48 [0.26, 0.91]

10 Incidence of narcotic use for pain control Show forest plot

2

129

Risk Ratio (M‐H, Random, 95% CI)

0.76 [0.63, 0.91]

Figures and Tables -
Comparison 1. Mycophenolate mofetil versus methotrexate