Skip to content

Pycnogenol® to reduce use of commercial anti-hypertensive medications: a randomised, double-blind, placebo-controlled, prospective, 15-week study

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN44961472
Enrollment
80
Registered
2007-10-31
Start date
2003-08-01
Completion date
Unknown
Last updated
2015-01-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Cardiovascular risk factors in diabetes Circulatory System Cardiovascular risk factors

Interventions

Oral administration of Pycnogenol® pills (25 mg, 5 times a day) or matched inactive placebo for 12 weeks. Total duration of follow-up is 15 weeks.

Sponsors

Horphag Research Ltd (Switzerland)
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Men and women, 40 - 75 years of age 2. Non-insulin dependent type 2 diabetes 3. Receiving pharmaceutical treatment (ACE-inhibitors) for hypertension 4. Pre-trial systolic blood pressure of 130 - 150 mmHg

Exclusion criteria

Exclusion criteria: 1. Type 1 diabetes 2. Use of insulin 3. Any supplements other than single daily multivitamin 4. Having any major illness such as cancer, asthma, or heart failure 5. Any previous cardiac events 6. Pregnancy, or being nursing mother

Design outcomes

Primary

MeasureTime frame
Measured at 12th week of treatment: 1. Blood pressure, measured on the left arm after 10 minutes rest (Korotkoff sounds I and V were taken as the systolic and diastolic blood pressures) 2. Serum endothelin-1 3. Fasting Low Density Lipoprotein (LDL)-cholesterol 4. Glycosylated haemoglobin (HbA1c) 5. Fasting plasma glucose 6. Urinary albumin concentration

Secondary

MeasureTime frame
Measured at 4th and 8th week of treatment: 1. Blood pressure, measured on the left arm after 10 minutes rest (Korotkoff sounds I and V were taken as the systolic and diastolic blood pressures) 2. Serum endothelin-1 3. Fasting Low Density Lipoprotein (LDL)-cholesterol 4. Glycosylated haemoglobin (HbA1c) 5. Fasting plasma glucose 6. Urinary albumin concentration

Countries

United States of America

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026