NCT02976766

Brief Summary

The purpose of this study is to determine whether gypenosides are neuroprotective in patients with acute optic neuritis.

Trial Health

57
Monitor

Trial Health Score

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

Enrollment
10

participants targeted

Target at below P25 for phase_2

Timeline
Completed

Started Feb 2017

Typical duration for phase_2

Geographic Reach
1 country

1 active site

Status
terminated

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

First Submitted

Initial submission to the registry

November 24, 2016

Completed
5 days until next milestone

First Posted

Study publicly available on registry

November 29, 2016

Completed
2 months until next milestone

Study Start

First participant enrolled

February 4, 2017

Completed
3.9 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 31, 2020

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 31, 2020

Completed
Last Updated

December 19, 2025

Status Verified

December 1, 2025

Enrollment Period

3.9 years

First QC Date

November 24, 2016

Last Update Submit

December 12, 2025

Conditions

Keywords

NeuroprotectionClinical trialTraditional Chinese medicineAxonal lossJiaogulanGynostemma pentaphyllumOptical coherence tomography

Outcome Measures

Primary Outcomes (1)

  • Mean retinal nerve fibre layer thickness

    6 months

Secondary Outcomes (5)

  • Total macular volume

    6 months

  • Best corrected visual acuity

    6 months

  • Latency and amplitude of visual evoked potentials

    6 months

  • Mean visual field defect

    6 months

  • Number of participants with Adverse events

    Screening until end of study

Study Arms (2)

Gypenosides

EXPERIMENTAL
Drug: Gypenosides

Placebo

PLACEBO COMPARATOR
Drug: Placebo

Interventions

Participants will receive gypenosides 180 mg/day (60 mg three times a day) for 10 days.

Also known as: Jiaogulan Zongdai
Gypenosides

Participants will receive placebo three times a day for 10 days.

Placebo

Eligibility Criteria

Age18 Years - 60 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64)

You may qualify if:

  • Male and female Chinese patients aged ≥18 to ≤60 years
  • Patients with a first episode of optic neuritis in the eye of interest
  • First symptoms of optic neuritis ≤28 days prior to the first administration of investigational product
  • Best corrected visual acuity in the eye of interest ≤0.8

You may not qualify if:

  • Pre-existing multiple sclerosis MS or NMO
  • Refractive media opacity
  • Hyperopia \>5 diopters, myopia \<-5 diopters, or astigmatism \>3 diopters
  • Active tuberculosis, hepatitis, renal insufficiency, uncontrolled hypertension, diabetes mellitus, infection with HIV or syphilis, or any other conditions potentially interfering treatment trial
  • Other autoimmune diseases (systemic lupus erythematosus, rheumatoid arthritis, etc)
  • Existing other retina or optic nerve diseases
  • Pregnant or females who plan to be pregnant during study

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

The First Affiliated Hospital of Guangxi Medical University

Nanning, Guangxi, 530021, China

Location

MeSH Terms

Conditions

Optic Neuritis

Condition Hierarchy (Ancestors)

Optic Nerve DiseasesCranial Nerve DiseasesNervous System DiseasesEye Diseases

Study Officials

  • Yi Du, MD

    The First Affiliated Hospital of Guangxi Medical University, China

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Dr.

Study Record Dates

First Submitted

November 24, 2016

First Posted

November 29, 2016

Study Start

February 4, 2017

Primary Completion

December 31, 2020

Study Completion

December 31, 2020

Last Updated

December 19, 2025

Record last verified: 2025-12

Locations