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Pulmonary arterial hypertension (PAH) can result in right ventricular failure and death. Anakinra has been used in patients with left sided heart failure, and the present study looks to determine if anakinra is safe and effective in patients with PAH. To accomplish this goal, we plan to evaluate for exercise improvement (as assessed by cardiopulmonary exercise testing) in 10 patients with PAH on anakinra.
Patients with pulmonary arterial hypertension will undergo cardiopulmonary exercise testing (CPET) at baseline and at 2 weeks. After the initial CPET, all patients will receive anakinra as a daily injection for 2 weeks. Patients will be instructed in the use of anakinra during their initial visit. Our primary outcome will be the difference in the exercise capacity of patients with PAH, as measured by maximal uptake of oxygen on CPET.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| anakinra | Experimental | Patients will be treated with anakinra, injected SQ daily in a dose of 100mg for 14 days. Before and after this intervention, patients will undergo cardiopulmonary exercise testing (as well as echocardiography, EKG analysis, and serologic analysis). Subjects will be assessed for changes in exercise capacity, as determined by peak oxygen uptake and ventilatory efficiency to CO2 production slope. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Anakinra | Drug |
|
|
| Measure | Description | Time Frame |
|---|---|---|
| Change in exercise capacity, as determined by peak oxygen consumption and ventilatory efficiency on cardiopulmonary exercise testing | 14 days |
| Measure | Description | Time Frame |
|---|---|---|
| Effect of anakinra on serum high sensitivity C-reactive protein | 14 days | |
| Effect of anakinra on serum NT-pro-BNP. | 14 days | |
| Effect of anakinra on serum interleukin-6 |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Dan Grinnan, MD | Virginia Commonwealth University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Virginia Commonwealth University | Richmond | Virginia | 23298 | United States |
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| ID | Term |
|---|---|
| D000081029 | Pulmonary Arterial Hypertension |
| ID | Term |
|---|---|
| D006976 | Hypertension, Pulmonary |
| D008171 | Lung Diseases |
| D012140 | Respiratory Tract Diseases |
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| ID | Term |
|---|---|
| D053590 | Interleukin 1 Receptor Antagonist Protein |
| ID | Term |
|---|---|
| D016207 | Cytokines |
| D036341 | Intercellular Signaling Peptides and Proteins |
| D010455 | Peptides |
| D000602 | Amino Acids, Peptides, and Proteins |
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Open label treatment with Anakinra
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| 14 days |
| Change in symptoms of heart failure (as assessed by questionnaire with the Duke Activity Status Index and Minnesota Living With Heart Failure Questionnaire). | 14 days |
| Correlate between biomarkers (serum high sensitivity C reactive protein, interluekin-6, and NT-pro BNP) and measures of exercise capacity (peak oxygen consumption and ventilatory efficiency on cardiopulmonary exercise testing) | 14 days |
| Number of patients with treatment related adverse events related to anakinra in patients with pulmonary arterial hypertension | 14 days |
| D011506 | Proteins |
| D001685 | Biological Factors |