- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02232880
Treatment of Resistant Hypertension by Prevention of T-Cell Co-Stimulation
Study Overview
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Locations
-
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Tennessee
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Nashville, Tennessee, United States, 37232-6602
- Vanderbilt University Medical Center
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-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Men and women 18 to 65 years of age with hypertension, treated with three or more anti-hypertensive drugs, one being a diuretic, and
- having a systolic blood pressure >150 mmHg in the clinic and daytime average >150 mmHg on ambulatory blood pressure monitoring
Exclusion Criteria:
- Medical history of secondary cause of hypertension, severe obesity (BMI >35), severe psychiatric disorders, cancer in the last 5 years other than nonmelanoma skin cell cancers, herpes zoster or cytomegalovirus that resolved less than 2 months before
- Inability to return for abatacept treatment and follow-up for 24 weeks.
- Inability to understand or complete study-related assessments.
- Current abuse of drugs or alcohol.
- Receipt of any live vaccines within 3 months of the anticipated first dose of study medication.
- Evidence of active or latent bacterial or viral infections at the time of potential enrollment, including human immunodeficiency virus (HIV)
- Risk for tuberculosis
- Abnormal laboratory values including positive hepatitis B surface antigen, hemoglobin < 8.5 g/dL, white blood cell count < 3000/mm3, platelets < 100,000/mm3, creatinine > 2.5 times the upper limit of normal (ULN), alanine aminotransferase or aspartate aminotransferase > 2 times the ULN.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: abatacept
Subjects randomized to abatacept weighing 60 to 100 kg will receive 750 mg, and those >100 kg will receive 1000 mg abatacept by intravenous infusion at 0 [randomization], 2, and 4 weeks and then every 4 weeks thereafter for a total of 24 weeks. All subjects will be treated with chlorthalidone 25 mg/day, lisinopril 20 mg/day [Patients with a history of adverse reaction to lisinopril will be treated with losartan 50 mg/day], amlodipine 5 mg/day and spironolactone 25 mg bid as standardized treatment of hypertension prior to randomization and throughout the active treatment phase. |
All subjects will be treated with chlorthalidone 25 mg/day, lisinopril 20 mg/day [Patients with a history of adverse reaction to lisinopril will be treated with losartan 50 mg/day], amlodipine 5 mg/day and spironolactone 25 mg bid as standardized treatment of hypertension prior to randomization and throughout the active treatment phase.
Other Names:
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Placebo Comparator: placebo
Subjects randomized to placebo will receive 100 ml normal saline by intravenous infusion at 0 [randomization], 2, and 4 weeks and then every 4 weeks thereafter for a total of 24 weeks. All subjects will be treated with chlorthalidone 25 mg/day, lisinopril 20 mg/day [Patients with a history of adverse reaction to lisinopril will be treated with losartan 50 mg/day], amlodipine 5 mg/day and spironolactone 25 mg bid as standardized treatment of hypertension prior to randomization and throughout the active treatment phase. |
All subjects will be treated with chlorthalidone 25 mg/day, lisinopril 20 mg/day [Patients with a history of adverse reaction to lisinopril will be treated with losartan 50 mg/day], amlodipine 5 mg/day and spironolactone 25 mg bid as standardized treatment of hypertension prior to randomization and throughout the active treatment phase.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in Systolic Blood Pressure From Randomization to End of Treatment
Time Frame: 6 months
|
Ambulatory blood pressure monitoring will be used at the end of the 4 weeks standardized treatment and at the end of 6 months randomized treatment with abatacept or placebo.
The change in systolic blood pressure from these 2 recordings will be the primary endpoint.
|
6 months
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in Blood Pressure
Time Frame: 6 months
|
Changes in the rate of change of blood pressure estimated by automated in office cuff measurements and ambulatory blood pressure at 12 weeks after randomization
|
6 months
|
Change in Brachial Artery Reactivity
Time Frame: 6 months
|
change in brachial artery reactivity measured at randomization and after 24 weeks of treatment
|
6 months
|
Change in Inflammatory Markers
Time Frame: 6 months
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changes in plasma and T cell markers of activation and T cell cytokine production from randomization to end of 24 weeks of treatment
|
6 months
|
Collaborators and Investigators
Collaborators
Investigators
- Principal Investigator: David G Harrison, MD, Vanderbilt University
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- 121740
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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