Anemia Clinical Trial
Official title:
Neurovascular Complications and White Matter Damage in Acquired Anemias
Verified date | October 2023 |
Source | Children's Hospital Los Angeles |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Observational |
This is an observational trial, in patients with moderate to severe anemia and control subjects. The main purpose of this study is to understand whether normal brain blood flow, oxygen extraction reserve, white matter volumes, and brain functional connectivity are affected by acquired anemia. The investigators will perform baseline MRI monitoring for all subjects. All eligible subjects will be asked to provide informed consent before participating in the study.
Status | Withdrawn |
Enrollment | 0 |
Est. completion date | November 1, 2020 |
Est. primary completion date | November 1, 2020 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 16 Years to 60 Years |
Eligibility | Inclusion criteria (observational component): - Age between 16 and 60 years of age. - Any ethnicity. - Either sex. - Anemic group: hemoglobin less than 10.5 g/dl on screening hemoglobin. - Control group: hemoglobin >13.2 g/dl for females, >14.6 g/dl for males, comparable age, sex and ethnicity to currently enrolled anemic subjects. Exclusion criteria (observational component): - Diabetes requiring medication. - Hypertension requiring medication. - Sleep disordered breathing requiring intervention. - Body mass index >35 (morbid obesity) - Contraindications to MRI, including pacemaker, severe claustrophobia, pregnancy. - Known systemic inflammatory disease such as inflammatory bowel disease, systemic lupus erythematosus, or scleroderma. - Known HIV. Inclusion criteria (interventional component): - Criteria for observational component, plus - ron deficiency anemia based upon attending hematologist interpretation of transferrin saturation, ferritin, and other ancillary labs including hs-CRP, MMA. Exclusion criteria (interventional component): - Criteria for observational component, plus - Prior reaction to intravenous iron. - History of multiple drug allergies. - History of severe asthma, eczema, or atopy. - Systemic mastocytosis. - Severe respiratory or cardiac disease. |
Country | Name | City | State |
---|---|---|---|
United States | City of Hope Blood Donor Center | Duarte | California |
United States | Cedar Sinai Blood Bank | Los Angeles | California |
United States | Children's Hospital Los Angeles | Los Angeles | California |
United States | University of California, Los Angeles Blood Donor Center | Los Angeles | California |
Lead Sponsor | Collaborator |
---|---|
Children's Hospital Los Angeles |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Impact of acquired anemia on cerebrovascular oxygen delivery (ml O2/100g/min) | Impact of acquired anemia on cerebrovascular oxygen delivery will be assessed by measuring cerebral blood flow and oxygen content through MRI. | Day 0 | |
Primary | Impact of acquired anemia on cerebrovascular flow reactivity (%SI change/%ETCO2) | baseline MRI with blood oxygenation level dependent (BOLD) acquisition will be assessed in response to carbon dioxide exposure to determine whether acquired anemia affects cerebrovascular reserve | Day 0 | |
Primary | Impact of acquired anemia on blood brain barrier permeability surface area product (ml H20/100g/min) | baseline PSA product using water-extraction-with-phase-contrast-arterial-spin-tagging (WEPCAST) MRI will be assessed to determine whether acquired anemia affects blood brain barrier permeability to water | Day 0 | |
Primary | Impact of acquired anemia on cerebral metabolic rate of oxygen (ml O2/100g/min) | T2 relaxation under spin tagging (TRUST) acquisition via MRI will be used to assess any impact of anemia on cerebral metabolic rate of oxygen. | Day 0 | |
Primary | Impact of acquired anemia on total brain blood flow (ml blood/100g/min) | Phase contrast MRI will be assessed to determine whether acquired anemia affects total brain blood flow | Day 0 |
Status | Clinical Trial | Phase | |
---|---|---|---|
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