New study tracks how sickle cell drug affects puberty and fertility

NCT ID NCT07116772

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

The SAFE study is a long-term research project following 250 adolescents and young adults with sickle cell anemia. It aims to understand how the medicine hydroxyurea affects growth, puberty, and the ability to have children. Researchers will also compare pregnancy outcomes between those who take hydroxyurea and those who do not.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance

hydroxyurea

What this could lead to

If successful, this study could clarify how hydroxyurea affects growth, puberty, and fertility in people with sickle cell anemia, helping guide safer long-term use.

What could go wrong

This is an observational study, not a treatment trial. It will not test new therapies or directly improve outcomes. Results may take years and may not apply to everyone.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for SICKLE CELL ANEMIA are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

Conditions

The condition(s) this trial relates to.

sickle cell disease

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • Buganda Medical Centre

    RECRUITING

    Mwanza, Tanzania

    Contact Email: •••••@•••••

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Caribbean Institute for Health Research, University of West Indies

    RECRUITING

    Kingston, Jamaica

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Centro de Obstetricia y Ginecologia

    RECRUITING

    Santo Domingo, Dominican Republic

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••