NCT02532699

Brief Summary

This the first report undertaken to assess the effect of supplementation with oral gamma-aminobutyric acid (GABA), adenosine and antrosterol-containing AC mycelia on blood pressure among people with mild hypertension. Overall, AC mycelia consumption for 8 weeks could successfully reduce mean diastolic and systolic BP through the suppression of PRA that is linked to downstream suppresion of angiotensin II formation, which further decreases the sympathetic outflow that leads to hypertension. In addition to blood pressure lowering properties, AC mycelia also has beneficial effect in reducing oxidative stress, significantly. No adverse events were noted, suggesting that AC mycelia deserve its consideration as a candidate for safe alternative treatment to conventional anti-hypertensive medications.

Trial Health

100
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
41

participants targeted

Target at below P25 for not_applicable hypertension

Timeline
Completed

Started Jun 2011

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

June 1, 2011

Completed
7 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

January 1, 2012

Completed
6 months until next milestone

Study Completion

Last participant's last visit for all outcomes

July 1, 2012

Completed
3.1 years until next milestone

First Submitted

Initial submission to the registry

August 14, 2015

Completed
12 days until next milestone

First Posted

Study publicly available on registry

August 26, 2015

Completed
Last Updated

August 26, 2015

Status Verified

August 1, 2015

Enrollment Period

7 months

First QC Date

August 14, 2015

Last Update Submit

August 23, 2015

Conditions

Keywords

Antrodia cinnamomea myceliablood pressureadenosineantrosterolclinical trialgamma-aminobutyric acid

Outcome Measures

Primary Outcomes (1)

  • AC anti-hypertensive measure blood pressure (SBP and DBP )

    "Blood pressure" to "Number of pressure with SBP and DBP,

    10 weeks

Secondary Outcomes (1)

  • Blood biochemical values (Liver function)

    10 weeks

Study Arms (2)

AC mycelia

ACTIVE COMPARATOR

Subjects receive three capsules per day containing either 420 mg of AC mycelia.

Dietary Supplement: AC mycelia

Placebo

PLACEBO COMPARATOR

Subjects receive three capsules per day containing starch placebo of similar appearance.

Dietary Supplement: Placebo

Interventions

AC myceliaDIETARY_SUPPLEMENT

An 8 week double-blinded randomized placebo-controlled parallel study with 2 week follow-up period was performed in mild hypertension subjects. Consenting eligible subjects were receive three capsules per day containing either 420 mg of AC mycelia of similar appearance for 8 weeks. The subjects were required to visit at baseline, every two weeks during the intervention period (8 weeks), and at follow-up 2 weeks after treatment had ended. During each study visit, systolic and diastolic BPs were recorded, fasting blood samples were collected and anthropometric measurements were performed. Compliance was evaluated using a food diary and monitored with biweekly telephone calls.

Also known as: niu-chang-chih
AC mycelia
PlaceboDIETARY_SUPPLEMENT

An 8 week double-blinded randomized placebo-controlled parallel study with 2 week follow-up period was performed in mild hypertension subjects. Consenting eligible subjects were receive three capsules per day containing 420 mg starch placebo of similar appearance for 8 weeks. The subjects were required to visit at baseline, every two weeks during the intervention period (8 weeks), and at follow-up 2 weeks after treatment had ended. During each study visit, systolic and diastolic BPs were recorded, fasting blood samples were collected and anthropometric measurements were performed. Compliance was evaluated using a food diary and monitored with biweekly telephone calls.

Placebo

Eligibility Criteria

Age20 Years - 80 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Eligible subjects were untreated hypertensive men or women aged between 20 and 80 years old with SBP between 130 and 179 mmHg and/or DBP between 85 and 109 mmHg as measured in a sitting position

You may not qualify if:

  • Subjects were excluded if they had a history of major cardiovascular disease, severe liver dysfunction, insulin-dependent diabetes mellitus or stroke. They were also excluded if they routinely consumed alcohol, were pregnant or unable to comprehend study instructions.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Related Publications (1)

  • 1. Geethangili, M.; Tzeng, Y.M. Review of pharmacological effects of antrodia camphorata and its bioactive compounds. Evidence-based complementary and alternative medicine : eCAM 2011, 2011, 212641. 2. Liu, D.Z.; Liang, Y.C.; Lin, S.Y.; Lin, Y.S.; Wu, W.C.; Hou, W.C.; Su, C.H. Antihypertensive activities of a solid-state culture of taiwanofungus camphoratus (chang-chih) in spontaneously hypertensive rats. Bioscience, biotechnology, and biochemistry 2007, 71, 23-30. 3. Jong-Wook Shin, S.-I.L.; Kim, S.-D. Effect of acetic acid fermented juice prepared using submerged culture media of antrodia camphorata mycelium on blood glucose and lipid profiles of rats in which diabetes was induced with streptozotocin. Korean J. Food Preserv. 2008, 15, 725-730.

    BACKGROUND

MeSH Terms

Conditions

Hypertension

Condition Hierarchy (Ancestors)

Vascular DiseasesCardiovascular Diseases

Study Officials

  • You-Cheng Mr Shen, Ph.D.

    Chung Shan Medical University

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
School of Health Diet and Industry Managment

Study Record Dates

First Submitted

August 14, 2015

First Posted

August 26, 2015

Study Start

June 1, 2011

Primary Completion

January 1, 2012

Study Completion

July 1, 2012

Last Updated

August 26, 2015

Record last verified: 2015-08