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To Study the Effects of Cordyceps Cicadae on Vision Care

Primary Purpose

Myopia

Status
Recruiting
Phase
Early Phase 1
Locations
Taiwan
Study Type
Interventional
Intervention
Cordyceps cicadae extract
Sponsored by
China Medical University Hospital
About
Eligibility
Locations
Arms
Outcomes
Full info

About this trial

This is an interventional prevention trial for Myopia

Eligibility Criteria

20 Years - undefined (Adult, Older Adult)All SexesAccepts Healthy Volunteers

Inclusion Criteria: Adults aged 20 or over Willing to participate in this study and sign the subject's consent form Myopia less than 700 degrees Exclusion Criteria: Have consumed related eye care products in past 3 months Those who have eye infection in the past 3 months People who have been diagnosed with any eye diseases in past 3 months Those who are allergic to cicadae

Sites / Locations

  • Asia universityRecruiting

Arms of the Study

Arm 1

Arm Type

Experimental

Arm Label

Cordyceps Cicadae extract group

Arm Description

500 mg/ day for 1 month

Outcomes

Primary Outcome Measures

Eye fatigue questionnaire
Eye fatigue were evaluated according to The Ocular Surface Disease Index (OSDI) introduced in 1997 by the Outcomes Research Group (Allergan Inc., Irvine, CA). Content including: (1) Eye swelling, (2) Eye soreness, (3) Photophobia, (4) Blurred vision, (5) Dry eye, (6) Foreign body sensation, (7) Tearing, (8) General discomfort related to eye fatigue. Scores are expressed on a scale of 0-3. 0 = No symptoms , 1 = Occasionally (≤1 time/day), 2 = Sometimes (1-3 times/day), 3 = Frequently (>3 times/day), a low score means less visual fatigue and better eye quality.
Best vision test
Visual acuity was tested with the Snellen Eye Test Chart and recorded with the score proposed by Snellen. Subjects were asked to stand 20 feet away to observe the snellen E-chart and record the smallest visual mark. Recording method: 20/20 (1.0) is defined as normal vision, lower than this score indicates that the subject has ametropia, and higher than this indicates that the subject's vision is higher than the general standard

Secondary Outcome Measures

Full Information

First Posted
March 8, 2023
Last Updated
March 19, 2023
Sponsor
China Medical University Hospital
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1. Study Identification

Unique Protocol Identification Number
NCT05778409
Brief Title
To Study the Effects of Cordyceps Cicadae on Vision Care
Official Title
To Study the Effects of Cordyceps Cicadae on Vision Care
Study Type
Interventional

2. Study Status

Record Verification Date
March 2023
Overall Recruitment Status
Recruiting
Study Start Date
March 8, 2023 (Actual)
Primary Completion Date
December 15, 2023 (Anticipated)
Study Completion Date
December 15, 2023 (Anticipated)

3. Sponsor/Collaborators

Responsible Party, by Official Title
Principal Investigator
Name of the Sponsor
China Medical University Hospital

4. Oversight

Studies a U.S. FDA-regulated Drug Product
Yes
Studies a U.S. FDA-regulated Device Product
No
Product Manufactured in and Exported from the U.S.
Yes

5. Study Description

Brief Summary
Cordyceps cicadae is a traditional Asian herbal medicine with a variety of bioactive substances and curative effects similar to Cordyceps Cicadae, and it has been reported that anti-dry eye and eye protection ingredients can be extracted. With the advancement of civilization, the number of patients with high myopia is increasing year by year and suffers from complications of dry eye or other eye diseases. In this study, the subjects were provided with cicadae extract or placebo in a double-blind manner, tracked the degree of visual fatigue by regular questionnaires, and measured for visual acuity, axial length and diopter. The purpose of this study is to investigate the effect of cicadae extract on visual acuity and visual fatigue, and to evaluate its potential as a health food ingredient.
Detailed Description
Visual acuity measurement: Snellen's Chart was used to measure visual acuity. Refractive examination: Measure binocular refraction with Open Field computer refractor (Shin-Nippon Nvision K5001 Wide View). Measuring the axial length of the eye: Use the multifunctional optical eyeball length measuring instrument (Lenstar) to measure the distance from the instrument to the optical paths such as the cornea, lens, and retina, and then convert to the axial length of the eye. Corneal radian measurement: Use a keratometer (Bausch & Lomb Keratometer) to measure the corneal radian and curvature, and estimate the degree of corneal astigmatism. Visual fatigue questionnaire survey: A visual fatigue scale questionnaire was designed using Ocular Surface Disease Index (OSDI) and Computer Vision Syndrome (CVS).

6. Conditions and Keywords

Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Myopia

7. Study Design

Primary Purpose
Prevention
Study Phase
Early Phase 1
Interventional Study Model
Single Group Assignment
Masking
None (Open Label)
Allocation
N/A
Enrollment
60 (Anticipated)

8. Arms, Groups, and Interventions

Arm Title
Cordyceps Cicadae extract group
Arm Type
Experimental
Arm Description
500 mg/ day for 1 month
Intervention Type
Biological
Intervention Name(s)
Cordyceps cicadae extract
Intervention Description
500mg/ day for one month
Primary Outcome Measure Information:
Title
Eye fatigue questionnaire
Description
Eye fatigue were evaluated according to The Ocular Surface Disease Index (OSDI) introduced in 1997 by the Outcomes Research Group (Allergan Inc., Irvine, CA). Content including: (1) Eye swelling, (2) Eye soreness, (3) Photophobia, (4) Blurred vision, (5) Dry eye, (6) Foreign body sensation, (7) Tearing, (8) General discomfort related to eye fatigue. Scores are expressed on a scale of 0-3. 0 = No symptoms , 1 = Occasionally (≤1 time/day), 2 = Sometimes (1-3 times/day), 3 = Frequently (>3 times/day), a low score means less visual fatigue and better eye quality.
Time Frame
one month
Title
Best vision test
Description
Visual acuity was tested with the Snellen Eye Test Chart and recorded with the score proposed by Snellen. Subjects were asked to stand 20 feet away to observe the snellen E-chart and record the smallest visual mark. Recording method: 20/20 (1.0) is defined as normal vision, lower than this score indicates that the subject has ametropia, and higher than this indicates that the subject's vision is higher than the general standard
Time Frame
one month

10. Eligibility

Sex
All
Minimum Age & Unit of Time
20 Years
Accepts Healthy Volunteers
Accepts Healthy Volunteers
Eligibility Criteria
Inclusion Criteria: Adults aged 20 or over Willing to participate in this study and sign the subject's consent form Myopia less than 700 degrees Exclusion Criteria: Have consumed related eye care products in past 3 months Those who have eye infection in the past 3 months People who have been diagnosed with any eye diseases in past 3 months Those who are allergic to cicadae
Central Contact Person:
First Name & Middle Initial & Last Name or Official Title & Degree
Hui-Wen Lin, Ph.D
Phone
04-23323456
Ext
5131
Email
d9138001@gmail.com
First Name & Middle Initial & Last Name or Official Title & Degree
Tzu-Chun Chen, Master
Phone
0915451008
Email
cherish4488@gmail.com
Overall Study Officials:
First Name & Middle Initial & Last Name & Degree
Hui-Wen Lin, Ph.D
Organizational Affiliation
Asia University
Official's Role
Principal Investigator
Facility Information:
Facility Name
Asia university
City
Taichung
ZIP/Postal Code
413
Country
Taiwan
Individual Site Status
Recruiting
Facility Contact:
First Name & Middle Initial & Last Name & Degree
Lin Hui-Wen, Ph.D
Phone
04-23323456
Ext
5131
Email
d9138001@gmail.com

12. IPD Sharing Statement

Plan to Share IPD
No

Learn more about this trial

To Study the Effects of Cordyceps Cicadae on Vision Care

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