Neoplasms

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Hematologic Diseases

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Childhood Acute Lymphoblastic Leukemia

Acute Lymphoblastic Leukemia

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Lipid Regulating Agents

All Drugs and Chemicals

Atorvastatin

Hydroxymethylglutaryl-CoA Reductase Inhibitors

Anticholesteremic Agents

Hypolipidemic Agents

Antimetabolites

Enzyme Inhibitors

6-Months Atorvastatin Therapy; 40mg oral, once daily

6-Months Placebo (sugar pill); oral, once daily

6-Months of Atorvastatin (Lipitor); 40mg, oral, once daily.

6-Months of placebo (sugar) pill; oral, once daily

Sugar Pill (Placebo)

Aaron S Kelly, Ph.D.

Adult survivors of childhood cancer are at high risk of developing cardiovascular disease. Therapies used to treat many cancers, such as chemotherapy and radiation, likely cause damage to the surface of the artery wall called the endothelial layer, leading to the induction of atherosclerosis and eventual cardiovascular disease. HMG coenzyme A reductase inhibitors, or statins, improve endothelial function independent of cholesterol-lowering. In addition, statins have been shown to reduce arterial stiffness and slow arterial thickening. Despite strong evidence supporting the vascular benefits of statins in many different patient populations, these medications have never been studied in cancer survivors. Therefore, the overall objective of this study is to evaluate the effects of statin therapy on vascular health in young adult survivors of childhood cancer.

Twenty-four young adult (age 18-39 years old) survivors of childhood acute lymphoblastic leukemia (ALL) or non-Hodgkin's lymphoma (NHL) will be enrolled in a six-month randomized, double-blind (participants and investigators), placebo-controlled pilot clinical trial comparing the effects of atorvastatin versus placebo on endothelial function and other measures of vascular health.

Our primary objective is to evaluate the effects of 6-months of statin therapy on conduit artery endothelial function in young adult survivors of childhood cancer. The investigators hypothesize that, compared to placebo, atorvastatin will significantly increase brachial artery flow-mediated dilation in survivors of childhood acute lymphoblastic leukemia and non-Hodgkin's lymphoma.

Adult survivors of childhood cancer are at seven times the risk of dying from cardiovascular disease compared to the general population. The increased risk is thought to be the result of the therapies used to treat the cancer such as chemotherapy and radiation. These therapies likely cause damage to the endothelial cells, which line the arterial wall and, when function properly, offer protection from atherosclerosis. Young adult survivors of childhood ALL have reduced endothelial function, or endothelial dysfunction, compared to healthy controls. Endothelial dysfunction is considered an early manifestation of atherosclerosis and therefore is an ideal target of therapy in order to reduce the risk of cardiovascular disease. Interventions that improve endothelial function in young adult survivors of childhood cancer may be beneficial in terms of mitigating the medium- and long-term risk of developing this chronic disease.

HMG coenzyme A reductase inhibitors, or statins, are widely used for cardiovascular disease risk reduction. These medications are primarily used to reduce levels of total- and low-density lipoprotein (LDL) -cholesterol. Meta-analyses have consistently demonstrated that statin therapy improves endothelial function in a wide array of patient populations. Beyond their well-described vascular benefits, statins are an attractive therapeutic option for cardiovascular disease risk reduction due to their strong safety profile.

Despite the clear potential for endothelial function improvement and cardiovascular risk reduction, statin therapy has never been evaluated in survivors of childhood cancer. Although statins have been well-studied in other patient populations at risk for cardiovascular disease, there is strong justification for evaluation in cancer survivors since the mechanisms responsible for the vascular problems in these individuals (treatment-induced vascular toxicity) differ from traditional atherosclerosis. Therefore, the objective of the current study is to assess the ability of statin therapy to improve endothelial function, arterial stiffness, and arterial thickening in young adult survivors of childhood cancer. The focus of the study will be on survivors of hematologic malignancies, acute lymphoblastic leukemia (ALL) and non-Hodgkin's lymphoma (NHL), since the former has been shown to be associated with endothelial impairments and both cancers share common treatment exposures (chemotherapy and radiation), which is likely the primary factor responsible for endothelial dysfunction in these individuals.

Twenty-four young adult (age 18-39 years old) survivors of childhood acute lymphoblastic leukemia (ALL) and non-Hodgkin's lymphoma (NHL)will be enrolled in a six-month randomized, double-blind (participants and investigators), placebo-controlled pilot clinical trial comparing the effects of atorvastatin versus placebo on endothelial function and other measures of vascular health. Following baseline testing, subjects will be randomly assigned (1:1) to either atorvastatin or placebo. Participants will return at 1-month and 3-months for assessment of safety (blood draw and adverse event assessment) and medication compliance and at 6-months for assessment of safety, medication compliance, and reassessment of baseline variables.

Statin Therapy in Young Adult Survivors of Childhood Cancer

Pilot Study of Statin Therapy in Young Adult Survivors of Childhood Cancer

At this time we have no plan to share the IPD.

Carotid Artery Compliance is a measure of arterial stiffness. Higher arterial stiffness places persons at higher risk for CVD.

University of Minnesota

6-Months Atorvastatin Therapy; 40mg oral, once daily

Atorvastatin: 6-Months of Atorvastatin (Lipitor); 40mg, oral, once daily.

6-Months Placebo (sugar pill); oral, once daily

Sugar Pill (Placebo): 6-Months of placebo (sugar) pill; oral, once daily

Total

Age, Categorical

Age, Continuous

Gender

United States

Region of Enrollment

Cameron Naughton

Physician withdrawals, loss to follow-up, drug compliance \<70%, unrelated injury, and self-withdrawal reduced number analyzed. Also, participant movement during FMD assessment and/or poor ultrasound image quality due to difficult brachial artery anatomy or poor circulation led to some unusable data and thus lowered the analyzable sample size.

Change From Baseline in Brachial Artery Flow-Mediated Dilation at 6-months

Discrepant sample sizes are due to lack of reliability of measures. If measures were unreliable they were excluded.

Spots Global Cancer Trial Database for childhood nhl