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Recruiting Phase 2 NCT06578507

NCT06578507 Pharmacokinetics, Efficacy and Safety of Twice Daily Dosing Regimen of Hydroxycarbamide Dispersible Tablets in Children With Sickle Cell Disease

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Clinical Trial Summary
NCT ID NCT06578507
Status Recruiting
Phase Phase 2
Sponsor Theravia
Condition Sickle Cell Disease
Study Type INTERVENTIONAL
Enrollment 50 participants
Start Date 2025-01-21
Primary Completion 2027-02

Eligibility & Interventions

Sex All sexes
Min Age 9 Months
Max Age 11 Years
Study Type INTERVENTIONAL
Interventions
Hydroxycarbamid

Eligibility Fast-Check

Enter your details for a quick preliminary check. This does not replace medical advice.

What to Expect as a Participant

You will actively receive the study intervention — which may be a drug, biologic, device, or procedure.

In Phase 2, researchers evaluate early signs of effectiveness. You may be randomized to receive the active treatment or a comparator. Monitoring continues closely.

This trial targets 50 participants in total. It began in 2025-01-21 with a primary completion date of 2027-02.

⚠ This information is for research awareness only. Always consult your physician before joining any clinical trial. Participation is voluntary and you may withdraw at any time.

Brief Summary

The purpose of this interventional, phase II, national, multicentric, non-randomised, open-label study is to evaluate the pharmacokinetics (PK), efficacy and safety of Hydroxycarbamide Paediatric dispersible tablets with a twice daily dosing regimen in children with Sickle Celle Disease between 9 months to 11 years of age. Participants will: * Take Hydroxycarbamide twice a day every day for 12 months * Visit the clinic at screening, baseline, 1, 3, 6, 9 and 12 months

Eligibility Criteria

Inclusion Criteria: * Written informed consent, signed and dated by both parents or by the legally acceptable representative(s) of the children, and, if possible, assent from the children, * HbSS or HbSβ0 SCD, * Aged between 9 months and 11 years old, * Hydroxycarbamide naïve, * Parent(s) or legally acceptable representative(s) capable of communicating with the investigator and understanding the requirements and constraints of the study protocol and willing to comply with the study requirements, * Contraception criterion, if applicable: for patients who are sexually active * Affiliated to a social security plan or beneficiary of a similar insurance plan, * Patient must meet the following laboratory values : Absolute Neutrophil Count ≥ 1.0x109/L, Platelets ≥ 75x109/L and Haemoglobin (Hgb) \> 5.5 g/dL, * Transcranial Doppler (TCD) in the last 12 months indicating low risk for stroke is required for children over 18 months of age. Exclusion Criteria: * Participation in any other clinical study for any other pharmaceutical product within 4 weeks preceding the inclusion visit, * Patients who have had chronic blood transfusion or transfusion in the last 3 months preceding the inclusion visit, * Patients treated with other SCD-modifying therapies, * Patient with a stage 3, 4 or 5 chronic kidney disease, * Patients known to be infected with human immunodeficiency virus, hepatitis B virus, or hepatitis C virus, * Known hypersensitivity or allergy to the excipients, * Any surgical or medical condition or any significant illness that, in the opinion of the investigator, constitutes a risk or a contraindication to the participation of the patient to the study, or that may interfere with the objectives, conduct or evaluation of the study, * Female patients who are pregnant or lactating, * Any documented history of a clinical stroke or intracranial haemorrhage, or an uninvestigated neurologic finding within the past 12 months.

Contact & Investigator

Central Contact

Laura Thomas-bourgneuf

✉ laura.thomas-bourgneuf@theravia.com

📞 + 33 1 49 70 95 83

Principal Investigator

Josephine Brice, MD

PRINCIPAL INVESTIGATOR

Hôpital Necker-Enfants Malades

Frequently Asked Questions

Who can join the NCT06578507 clinical trial?

This trial is open to participants of all sexes, aged 9 Months or older, up to 11 Years, studying Sickle Cell Disease. Full inclusion and exclusion criteria are listed in the Eligibility Criteria section. Always confirm your eligibility with the research team before applying.

What phase is the NCT06578507 trial and what does that mean for participants?

Phase 2 trials evaluate whether the treatment shows signs of effectiveness while continuing to monitor safety. More participants are enrolled than in Phase 1 to help refine the treatment protocol.

Is NCT06578507 currently recruiting?

Yes, NCT06578507 is actively recruiting participants. Contact the research team at laura.thomas-bourgneuf@theravia.com for enrollment information.

Where is the NCT06578507 trial being conducted?

This trial is being conducted at Créteil, France, Jossigny, France, Le Kremlin-Bicêtre, France, Lyon, France and 2 additional locations.

Who is sponsoring the NCT06578507 clinical trial?

NCT06578507 is sponsored by Theravia. The principal investigator is Josephine Brice, MD at Hôpital Necker-Enfants Malades. The trial plans to enroll 50 participants.

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ClinicalMetric — Independent clinical trial intelligence platform. Not affiliated with NIH, ClinicalTrials.gov, the U.S. FDA, or any pharmaceutical company, hospital, or clinical research organization. Trial data is sourced from ClinicalTrials.gov for informational purposes only and does not constitute medical advice. Do not make any treatment, enrollment, or health decisions based solely on information found here — always consult a qualified healthcare professional. Full Disclaimer  ·  Last Reviewed: April 2026  ·  Data Methodology