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Chemotherapy and radiation used in patients undergoing bone marrow transplant (BMT) disrupts the endothelial lining (a thin layer of cells inside the blood vessels) which is found all throughout the body including the kidney, heart, lungs, and intestines. Disruption of this endothelial lining can lead to complications such as graft-vs-host disease (GVHD), thrombotic microangiopathy (TMA) and veno-occlusive disease (VOD). The purpose of this research study is to help investigators see if pravastatin is safe and well tolerated in patients undergoing BMT to see if it will reduce endothelial injury after BMT.
The investigator hypothesizes that prophylactic pravastatin in pediatric allogeneic hematopoietic stem cell transplant recipients with elevated BMI is safe and feasible.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Pravastatin Prophylactic Treatment | Experimental |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Pravastatin | Drug | Participants will receive pravastatin orally once daily through the first 35 days after bone marrow transplant. |
|
| Measure | Description | Time Frame |
|---|---|---|
| Percentage of participants who developed clinically significant transaminitis, renal dysfunction and rhabdomyolysis | Every enrolled patient will have routine liver function test (LFT) and renal function profile monitoring as part of their standardized transplant care. Transaminitis is expected and often multifactorial in the HSCT population, (i.e. preparative regimen, azole antifungal prophylaxis, or post-transplant complications such as infection and GVHD), therefore, we have determined modified parameters to hold or modify the dose of pravastatin. We will modify and/or hold pravastatin dosing at the time of transaminase elevations > 3X upper limit of normal unless a clear-cut alternative explanation can be provided. Additionally, we will also check creatinine kinase (CK) levels on admission and once weekly while the patient is actively taking pravastatin to monitor for rhabdomyolysis. | Until day 35 after bone marrow transplant when pravastatin is discontinued |
| Percentage of participants who adhered to the medication plan | Participants will be considered adhered to the medication plan if they took the study drug at least 70% of the time. Nursing documentation of pravastatin administration and drug diaries will be used as documentation of compliance. | Until day 35 after bone marrow transplant when pravastatin is discontinued |
| Measure | Description | Time Frame |
|---|---|---|
| Number of participants with overall survival | 100 days after bone marrow transplant | |
| Number of participants with graft failure | Graft failure is defined as follows: Primary graft failure is defined as no evidence of engraftment or hematological recovery of donor cells, within the first month after transplant, without evidence of disease relapse. Secondary graft failure refers to the loss of a previously functioning graft, resulting in cytopenia involving at least two blood cell lineages. |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Jane Koo, MD | Children's Hospital Medical Center, Cincinnati | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Cincinnati Children's Hospital Medical Center | Cincinnati | Ohio | 45229 | United States |
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| ID | Term |
|---|---|
| D017035 | Pravastatin |
| ID | Term |
|---|---|
| D009281 | Naphthalenes |
| D011084 | Polycyclic Aromatic Hydrocarbons |
| D006841 | Hydrocarbons, Aromatic |
| D006844 | Hydrocarbons, Cyclic |
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| 100 days after bone marrow transplant |
| Number of participants with primary disease relapse | Primary disease relapse is defined as: The return of a disease or the signs and symptoms of a disease after a period of improvement. | 100 days after bone marrow transplant |
| Median number of days until neutrophil engraftment | Neutrophil engraftment is defined as the first day of three consecutive days where the neutrophil count (absolute neutrophil count) is 500 cells/mm3 (0.5 x 10^9/L) or greater. | Through study completion, an average of up to 100 days |
| Median number of days until platelet engraftment | Platelet engraftment is usually defined as independence from platelet transfusion for at least 7 days with a platelet count of more than >20 × 10^9/L | Through study completion, an average of up to 100 days |
| Assessment of SLCO1B1 genotyping | The SLCO1B1 gene encodes for making the protein organic anion transporting polypeptide 1B1 (OATP1B1), which is the transporter for drugs, including statins, into the liver. Patients enrolled on study will have their SLCO1B1 genotyping performed from whole blood samples at baseline to determine how this affects their overall statin clearance. | Baseline |
| Measurement of sphingosine-1-phosphate (S1P) levels in plasma | S1P levels will be measured on weekly intervals using mass spectrometry | Weekly from admission until day 35 from bone marrow transplant |
| Number of participants who adhered to the medication plan | The lipid profile is a blood test that includes measurements of cholesterol, triglycerides, High-density lipoprotein (HDL) and Low-density lipoprotein (LDL). It is a routine test that monitors cholesterol levels. Pravastatin reduces cholesterol production. The lipid profile will be measured prior to the first dose of pravastatin. After the last dose of pravastatin the lipid profile will be measured. Any reduction in total cholesterol and LDL levels will be used as a surrogate marker for medication adherence. | Through study completion, an average of 35 days after bone marrow transplant |
| D006838 | Hydrocarbons |
| D009930 | Organic Chemicals |
| D011083 | Polycyclic Compounds |