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Cerebrovascular reserve and white matter disease in patients with chronic anemia. (IMPROvE)

Cerebrovascular reserve and white matter disease in patients with chronic anemia. (IMPROvE) - IMPROvE

Status
Active, not recruiting
Phases
Phase 2
Study type
Observational
Source
NL-OMON
Registry ID
NL-OMON48763
Enrollment
140
Registered
2018-10-30
Start date
2019-01-22
Completion date
Unknown
Last updated
2026-07-13

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

Conditions

Sickle Cell Disease - Thalassemia

Interventions

None listed

Sponsors

Academisch Medisch Centrum
Lead Sponsor

Eligibility

Age
18 Years to 99 Years

Inclusion criteria

Inclusion criteria: Inclusion criteria (patient groups) • Sickle cell disease • Thalassemia major, thalassemia intermedia, and HbH disease • 18 Years of age or older • Informed consent;Inclusion criteria control group • Either AS or AA haemoglobin, • 18 Years of age or older • Informed consent

Exclusion criteria

Exclusion criteria: Exclusion criteria (patient groups) • Hospitalization in the past month for any reason • Inability of the patient to provide informed consent • Contraindications for MRI, such as claustrophobia or the presence of metal in the body • Sickle cell crisis at the moment of participation up to one month prior to participation • History of cerebral pathology that compromises measurements, such as cerebral palsy, brain tumour, meningitis, overt infarct • Brain surgery performed in the last 3 months ;ACZ contraindications • Severe liver, heart or renal dysfunction (clearance

Design outcomes

Primary

MeasureTime frame
CBF measured by ASL; number and volume of silent cerebral infarcts (SCIs) on 3D fluid attenuated inverse recovery (FLAIR) and T2-weighted MRI scans; brain volume by T1 anatomical MPRAGE; CVR measured by ASL using ACZ.

Countries

Netherlands

Outcome results

None listed

Source: NL-OMON (via WHO ICTRP) · Data processed: Jul 23, 2026