Recruitment

Recruitment Status
Completed
Estimated Enrollment
112

Inclusion Criteria

Systolic blood pressure (SBP) ≥ 120 and <160 or;
Diastolic blood pressure (DBP) ≥ 80 and < 100
Pre-hypertension or stage I hypertension, defined as the following after the mean of two clinic measurements:
...
Systolic blood pressure (SBP) ≥ 120 and <160 or;
Diastolic blood pressure (DBP) ≥ 80 and < 100
Pre-hypertension or stage I hypertension, defined as the following after the mean of two clinic measurements:
Age 18-40
Serum urate ≥ 5.0 mg/dL for men or ≥ 4.0 mg/dL for women

Exclusion Criteria

Active smokers
Serious medical condition that at investigator's judgment precludes utilization of a fixed dose of allopurinol
Immune-suppressed individuals including transplant recipients or current use of azathioprine.
...
Active smokers
Serious medical condition that at investigator's judgment precludes utilization of a fixed dose of allopurinol
Immune-suppressed individuals including transplant recipients or current use of azathioprine.
Prior diagnosis of gout or past use of urate-lowering therapy for gout
Prior diagnosis of diabetes
Current use of any urate-lowering therapy or statins
Any current pharmacological treatment for hypertension, including diuretics (calcium channel blockers at stable doses were later allowed)
Individuals of Han Chinese or Thai descent with HLAB5801 genetic phenotype
Leucopenia with absolute white cell count < 3000 /mL, anemia with hemoglobin < 12 g/dL, or thrombocytopenia with platelet count < 150,000/mL
Estimated glomerular filtration rate < 60 mL/min/1.73m2
Pregnancy, or recent delivery or last trimester pregnancy loss more recent than 3 months

Summary

Conditions
  • JNC 7 Stage I Hypertension
  • Pre Hypertension
  • Pre-hypertension
Type
Interventional
Phase
Phase 2Phase 3
Design
  • Allocation: Randomized
  • Intervention Model: Crossover Assignment
  • Masking: Double (Participant, Investigator)
  • Primary Purpose: Treatment

Participation Requirements

Age
Between 18 years and 40 years
Gender
Both males and females

Inclusion Criteria

Systolic blood pressure (SBP) ≥ 120 and <160 or;
Diastolic blood pressure (DBP) ≥ 80 and < 100
Pre-hypertension or stage I hypertension, defined as the following after the mean of two clinic measurements:
...
Systolic blood pressure (SBP) ≥ 120 and <160 or;
Diastolic blood pressure (DBP) ≥ 80 and < 100
Pre-hypertension or stage I hypertension, defined as the following after the mean of two clinic measurements:
Age 18-40
Serum urate ≥ 5.0 mg/dL for men or ≥ 4.0 mg/dL for women

Exclusion Criteria

Active smokers
Serious medical condition that at investigator's judgment precludes utilization of a fixed dose of allopurinol
Immune-suppressed individuals including transplant recipients or current use of azathioprine.
...
Active smokers
Serious medical condition that at investigator's judgment precludes utilization of a fixed dose of allopurinol
Immune-suppressed individuals including transplant recipients or current use of azathioprine.
Prior diagnosis of gout or past use of urate-lowering therapy for gout
Prior diagnosis of diabetes
Current use of any urate-lowering therapy or statins
Any current pharmacological treatment for hypertension, including diuretics (calcium channel blockers at stable doses were later allowed)
Individuals of Han Chinese or Thai descent with HLAB5801 genetic phenotype
Leucopenia with absolute white cell count < 3000 /mL, anemia with hemoglobin < 12 g/dL, or thrombocytopenia with platelet count < 150,000/mL
Estimated glomerular filtration rate < 60 mL/min/1.73m2
Pregnancy, or recent delivery or last trimester pregnancy loss more recent than 3 months

Tracking Information

NCT #
NCT02038179
Collaborators
National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
Investigators
Not Provided