NCT00032500

Brief Summary

The purpose of this study is to determine whether three Echinacea preparations with different chemical compositions are effective for prevention or treatment of the common cold.

Trial Health

87
On Track

Trial Health Score

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

Timeline
Completed

Started Sep 2001

Geographic Reach
1 country

1 active site

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

September 1, 2001

Completed
7 months until next milestone

First Submitted

Initial submission to the registry

March 22, 2002

Completed
3 days until next milestone

First Posted

Study publicly available on registry

March 25, 2002

Completed
2.1 years until next milestone

Study Completion

Last participant's last visit for all outcomes

May 1, 2004

Completed
Last Updated

August 18, 2006

Status Verified

July 1, 2006

First QC Date

March 22, 2002

Last Update Submit

August 17, 2006

Conditions

Common Cold

Keywords

common coldEchinacea

Interventions

EchinaceaDRUG

Sponsors & Collaborators

Study Sites (1)

University of Virginia, Charlottesville

Charlottesville, Virginia, 22904, United States

Location

Related Publications (1)

  • Turner RB, Bauer R, Woelkart K, Hulsey TC, Gangemi JD. An evaluation of Echinacea angustifolia in experimental rhinovirus infections. N Engl J Med. 2005 Jul 28;353(4):341-8. doi: 10.1056/NEJMoa044441.

    PMID: 16049208RESULT

MeSH Terms

Conditions

Common Cold

Interventions

Echinacea extract

Condition Hierarchy (Ancestors)

Respiratory Tract InfectionsInfectionsPicornaviridae InfectionsRNA Virus InfectionsVirus DiseasesRespiratory Tract Diseases

Study Officials

  • Ronald B. Turner, MD

    University of Virginia School of Medicine

    PRINCIPAL INVESTIGATOR

  • J. David Gangemi, PhD

    Clemson University

  • Rudolf Bauer, PhD

    Karl-Franzens-Universitaet Graz

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
DOUBLE
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
NIH

Study Record Dates

First Submitted

March 22, 2002

First Posted

March 25, 2002

Study Start

September 1, 2001

Study Completion

May 1, 2004

Last Updated

August 18, 2006

Record last verified: 2006-07

Locations

US(1)