Anti-Mullerian Hormone in the Female Participants of the Multi-Center Study of Hydroxyurea

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PROJECT SUMMARY In the United States, patients with sickle cell anemia (SCA) now survive into adulthood, making reproductive concerns increasingly important for this population. Little is known about how SCA affects women’s reproductive capacity. The ovaries may be among the end-organs injured by the oxidative and hypoxic- ischemic injury of SCA. Hydroxyurea, a chemotherapeutic used to treat SCA starting as early as 9 months of age, may also affect fertility. Methodologically rigorous studies have not yet been performed to identify whether women with SCA have compromised fertility as a consequence of baseline SCA or as a consequence of treatments for SCA. This knowledge is especially important because fertility concerns are a barrier to SCA treatment, and because fertility evaluation and preservation strategies exist, but indications for their use in women with SCA are absent. This study proposes measuring anti-mullerian hormone, an established biomarker of ovarian reserve, in samples from the Multi-Center Study of Hydroxyurea, the randomized placebo-controlled trial of hydroxyurea in adults with SCA. Anti-mullerian hormone levels will be compared in hydroxyurea and placebo treated subjects and within the placebo-treated group, the association of clinical characteristics with anti-mullerian hormone levels will be analyzed. Samples from this well phenotyped cohort provide an opportunity to study how untreated SCA and hydroxyurea may affect a marker of ovarian reserve in women with SCA. Another placebo-controlled trial of hydroxyurea in adults with SCA will never be performed. Thus, this research will serve as a springboard for prospective research on fertility markers in females with SCA. 1