Women treated for breast cancer who are considering taking Hormone Replacement Therapy (HRT) should be cautious when using published research to inform their decision. An article published today in the journal Breast Cancer Research reveals that qualitative studies on the recurrence of breast cancer in breast cancer survivors undergoing HRT are unreliable.
There are two main types of research studies – qualitative and quantitative. Each type is used to answer different research questions. Dr Col, from Brown Medical School, USA, and colleagues found that all of the qualitative studies on the recurrence of breast cancer in patients taking HRT they looked at have “serious design features that could introduce selection, reporting and/or publication biases”.
These qualitative studies have concluded that there is no increased risk of the recurrence of breast cancer in patients taking HRT, but the authors of today’s study feel that this is not a reliable conclusion. Meanwhile, evidence from randomized controlled trials - a type of quantitative study – suggests the opposite – that there is an increased risk of the recurrence of breast cancer in patients taking HRT.
Juliette Savin | alfa
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