Icariin to Prevent Corticosteroid-related Memory Changes

NCT ID: NCT02112123

Last Updated: 2017-08-18

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE1

Total Enrollment

24 participants

Study Classification

INTERVENTIONAL

Study Start Date

2014-04-30

Study Completion Date

2016-12-31

Brief Summary

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The purpose of this study is to investigate the pharmacokinetic properties of icariin, an active ingredient in the over-the-counter supplement, Horny Goat Weed.

Detailed Description

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The purpose of this study is to investigate the pharmacokinetic properties of icariin, an active ingredient in the over-the-counter supplement, Horny Goat Weed.

Healthy volunteers will be randomly assigned to a 5 day course of icariin at 100 mg/day, 200 mg/day, 400 mg/day, or 800 mg/day, or a matching placebo.

24 hours of blood samples will be drawn for pharmacokinetic analysis. Side effects will be assessed for the full 5 days.

Conditions

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the Pharmacokinetic Profile of Icariin in Humans

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

BASIC_SCIENCE

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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Placebo

Matching placebo given for 5 days (qd po)

Group Type PLACEBO_COMPARATOR

Matching placebo

Intervention Type DIETARY_SUPPLEMENT

Icariin - 100 mg/day

Icariin given at 100 mg/day (qd po) for 5 days

Group Type ACTIVE_COMPARATOR

Icariin

Intervention Type DRUG

Icariin - 200 mg/day

Icariin given at 200 mg/day (qd po) for 5 days

Group Type ACTIVE_COMPARATOR

Icariin

Intervention Type DRUG

Icariin - 400 mg/day

Icariin given at 400 mg/day (qd po) for 5 days

Group Type ACTIVE_COMPARATOR

Icariin

Intervention Type DRUG

Icariin - 840 mg/day

Icariin given at 840 mg/day (qd po) for 5 days

Group Type ACTIVE_COMPARATOR

Icariin

Intervention Type DRUG

Icariin - 1680 mg/day

Icariin given at 1680 mg/day (qd po) for 5 days

Group Type ACTIVE_COMPARATOR

Icariin

Intervention Type DRUG

Interventions

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Icariin

Intervention Type DRUG

Matching placebo

Intervention Type DIETARY_SUPPLEMENT

Other Intervention Names

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Horny Goat Weed epimedium extract

Eligibility Criteria

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Inclusion Criteria

* Healthy men and women
* Ages 18 - 50 years
* BMI between 18.5 and 30
* Ability to read and speak English
* Education of 12 or more years or equivalent (at least GED received)

Exclusion Criteria

* Medication changes in the past 30 days
* History of psychotropic medication therapy in the past 30 days
* Current or past 30 days opioid therapy
* Current or past 30 days erectile dysfunction therapy
* Significant medical conditions
* Hypertensive blood pressure, defined as either systolic pressure \> 140 or diastolic pressure \> 90
* Baseline heart rate \> 100 bpm or \< 50 bpm
* History of major psychiatric illness
* History of drug/alcohol abuse or current tobacco use
* Vulnerable populations including pregnant or nursing women, the incarcerated, or individuals with severe cognitive disorders
* History of allergic reaction or contraindication to icariin
* Baseline QIDS score \> 7, current suicidal ideation, or history of suicide attempt
* Education history that includes Special Education or history of mental disability
* Clinically significant abnormalities on baseline labs and ECG results
* Current participation in any other pharmacotherapy studies
Minimum Eligible Age

18 Years

Maximum Eligible Age

50 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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National Center for Complementary and Integrative Health (NCCIH)

NIH

Sponsor Role collaborator

University of Texas Southwestern Medical Center

OTHER

Sponsor Role lead

Responsible Party

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Sherwood Brown

Professor

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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E. Sherwood Brown, M.D., Ph.D.

Role: PRINCIPAL_INVESTIGATOR

UT Southwestern Medical Center

Locations

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UT Southwestern Medical Center

Dallas, Texas, United States

Site Status

Countries

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United States

Other Identifiers

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1R21AT007869-01

Identifier Type: NIH

Identifier Source: secondary_id

View Link

102012-052

Identifier Type: -

Identifier Source: org_study_id

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