The effect of MDR-1 gene expression on outcome in acute myeloblastic leukaemia
1994

Impact of MDR-1 Gene on Acute Myeloblastic Leukaemia Outcomes

Sample size: 859 publication Evidence: moderate

Author Information

Author(s): J.A. Holmes, R.R. West

Primary Institution: University of Wales College of Medicine

Hypothesis

Does P-glycoprotein expression influence the prognosis in acute myeloblastic leukaemia?

Conclusion

P-glycoprotein expression is associated with lower remission rates in acute myeloblastic leukaemia.

Supporting Evidence

  • P-glycoprotein expression is linked to lower remission rates in AML.
  • Meta-analysis included 12 studies with a total of 859 patients.
  • Significant differences in remission rates were observed between MDR-positive and MDR-negative patients.
  • Four studies reported significant results at the p<0.05 level.
  • Two large studies reported no effect of P-170 expression on outcome.

Takeaway

Some leukaemia patients have a gene that makes it harder for their treatment to work, and this study looked at how that gene affects their chances of getting better.

Methodology

Meta-analysis of 12 studies examining the relationship between P-glycoprotein expression and treatment outcomes in AML.

Potential Biases

Potential publication bias may influence the perceived effectiveness of P-glycoprotein expression on outcomes.

Limitations

Variability in study methodologies, treatment regimens, and patient demographics may affect comparability.

Participant Demographics

Patients with acute myeloblastic leukaemia, demographics varied across studies.

Statistical Information

P-Value

0.68

Confidence Interval

0.60-0.70

Statistical Significance

p<0.05

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