Journal
HUMAN FERTILITY
Volume 26, Issue 2, Pages 347-354Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/14647273.2023.2191222
Keywords
Surrogate outcomes; upstream outcomes; IVF; IVF add-ons; assisted reproduction
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Trials evaluating IVF and treatment options often fail to consider the impact on clinical outcomes. A survey found that IVF patients mistakenly believed that improvements in upstream outcomes would lead to improved live-birth rates. This has implications for how information is presented to patients.
Trials evaluating the efficacy of IVF and various treatment options often focus on upstream outcome measures, improvements which may not translate into clinical outcome improvements. A cross-sectional online survey was distributed globally among IVF patients. Respondents were randomised to view one of 16 statements about a hypothetical IVF treatment option called 'FertiSure', stated to improve one of four upstream outcomes. Statements varied in whether they contained information stating that FertiSure was not proven to improve live-birth rates and about potential risks. Many patients inferred that improvements in upstream outcomes would result in improvements in the probability of live-birth. Nearly 80% of respondents were willing to use FertiSure. Respondents told that FertiSure was not proven to improve live-birth rates and were less willing to use FertiSure. More respondents agreed that FertiSure may pose a risk to patients when they were told this was the case. However, this did not affect their willingness to use FertiSure. Interestingly, 34% of respondents believed FertiSure would not improve the probability of live-birth but were still willing to use it. These results have implications for IVF clinic websites and information about treatment options which may not routinely contain statements about the limited evidence-base and possible risks.
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