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A multicentre trial evaluating the efficacy and safety of oral decitabine-tetrahydrouridine (NDec) in patients with sickle cell disease

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2023-508506-22-00
Acronym
NN7533-4470
Enrollment
15
Registered
2024-06-28
Start date
2022-09-22
Completion date
2025-05-07
Last updated
2024-12-19

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Sickle cell disease

Brief summary

Change from baseline (week 0) to week 24 in total haemoglobin in g/dL

Detailed description

Cmax (maximum concentration) for decitabine from pharmacokinetic assessment At week 24 in ng/mL, Cmax (maximum concentration) for tetrahydrouridine from pharmacokinetic assessment at week 24 in ng/mL, Change in DNMT1 activity From baseline (week 0) to week 24 in MFI, Change in CDA activity From baseline (week 0) to week 24 in µmol/L/min, Change in foetal haemoglobin (g/dL) From baseline (week 0) to week 24 in g/dL, Change in foetal haemoglobin as a proportion of total haemoglobin (%HbF) From baseline (week 0) to week 24 in %, Change in F-cell level as a proportion of total red blood cells (%F-cells) From baseline (week 0) to week 24 in %, Change in haemolysis measure: absolute reticulocyte count From baseline (week 0) to week 24 in cells × 10^9/L, Change in haemolysis measure: indirect bilirubin From baseline (week 0) to week 24 in mg/dL, Change in haemolysis measure: lactate dehydrogenase From baseline (week 0) to week 24 in U/L, Number of vaso-occlusive crises From baseline (week 0) to week 48 in Number of events, Number of acute chest syndrome From baseline (week 0) to week 48 in Number of events, Number of RBC units transfused From baseline (week 0) to week 48 in units, Number of adverse events of grade 3 or higher From baseline (week 0) to week 52 in Number of events

Interventions

DRUGDecitabine/Tetrahydrouridine A 5/250 mg
DRUGPlacebo (NDec)

Sponsors

Novo Nordisk A/S
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
Change from baseline (week 0) to week 24 in total haemoglobin in g/dL

Secondary

MeasureTime frame
Cmax (maximum concentration) for decitabine from pharmacokinetic assessment At week 24 in ng/mL, Cmax (maximum concentration) for tetrahydrouridine from pharmacokinetic assessment at week 24 in ng/mL, Change in DNMT1 activity From baseline (week 0) to week 24 in MFI, Change in CDA activity From baseline (week 0) to week 24 in µmol/L/min, Change in foetal haemoglobin (g/dL) From baseline (week 0) to week 24 in g/dL, Change in foetal haemoglobin as a proportion of total haemoglobin (%HbF) From baseline (week 0) to week 24 in %, Change in F-cell level as a proportion of total red blood cells (%F-cells) From baseline (week 0) to week 24 in %, Change in haemolysis measure: absolute reticulocyte count From baseline (week 0) to week 24 in cells × 10^9/L, Change in haemolysis measure: indirect bilirubin From baseline (week 0) to week 24 in mg/dL, Change in haemolysis measure: lactate dehydrogenase From baseline (week 0) to week 24 in U/L, Number of vaso-occlusive crises From baseline (week 0)

Countries

France, Greece, Italy, Spain

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026