NCT04120389

Brief Summary

To study the efficacy of an ocular bandage contact lens for the treatment of dry eye after complicated and combined cataract surgery

Trial Health

43
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
30

participants targeted

Target at below P25 for not_applicable

Timeline
Completed

Started Mar 2020

Typical duration for not_applicable

Geographic Reach
1 country

1 active site

Status
unknown

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

September 29, 2019

Completed
10 days until next milestone

First Posted

Study publicly available on registry

October 9, 2019

Completed
5 months until next milestone

Study Start

First participant enrolled

March 13, 2020

Completed
1.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 31, 2021

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 31, 2021

Completed
Last Updated

April 5, 2021

Status Verified

January 1, 2021

Enrollment Period

1.8 years

First QC Date

September 29, 2019

Last Update Submit

April 2, 2021

Conditions

Keywords

Bandage contact lenscataract surgerydry eye

Outcome Measures

Primary Outcomes (13)

  • Ocular Surface Disease Index questionnaire

    Ocular Surface Disease Index questionnaire were included 12 questions,and each was rated from 0-4

    0 day preoperatively

  • Ocular Surface Disease Index questionnaire

    Ocular Surface Disease Index questionnaire were included 12 questions,and each was rated from 0-4

    1 day postoperatively

  • Ocular Surface Disease Index questionnaire

    Ocular Surface Disease Index questionnaire were included 12 questions,and each was rated from 0-4

    1 week postoperatively

  • Ocular Surface Disease Index questionnaire

    Ocular Surface Disease Index questionnaire were included 12 questions,and each was rated from 0-4

    1 month postoperatively

  • Ocular Surface Disease Index questionnaire

    Ocular Surface Disease Index questionnaire were included 12 questions,and each was rated from 0-4

    3 months postoperatively

  • Tear Breakup Time

    Tear Breakup Time was performed to assess tear film stability

    0 day preoperatively

  • Tear Breakup Time

    Tear Breakup Time was performed to assess tear film stability

    1 week postoperatively

  • Tear Breakup Time

    Tear Breakup Time was performed to assess tear film stability

    1 month postoperatively

  • Tear Breakup Time

    Tear Breakup Time was performed to assess tear film stability

    3 months postoperatively

  • Schirmer test with anesthesia

    The Schirmer test was performed by inserting a test strip

    0 day preoperatively

  • Schirmer test with anesthesia

    The Schirmer test was performed by inserting a test strip

    1 week postoperatively

  • Schirmer test with anesthesia

    The Schirmer test was performed by inserting a test strip

    1 month postoperatively

  • Schirmer test with anesthesia

    The Schirmer test was performed by inserting a test strip

    3 months postoperatively

Secondary Outcomes (9)

  • Subjective symptoms

    0 day preoperatively

  • Subjective symptoms

    1 day postoperatively

  • Subjective symptoms

    1 week postoperatively

  • Subjective symptoms

    1 month postoperatively

  • Subjective symptoms

    3 months postoperatively

  • +4 more secondary outcomes

Other Outcomes (5)

  • Best Corrected Visual Acuity

    0 day preoperatively

  • Best Corrected Visual Acuity

    1 day postoperatively

  • Best Corrected Visual Acuity

    1 week postoperatively

  • +2 more other outcomes

Study Arms (2)

BCL group

EXPERIMENTAL

bandage contact lenses(PureVision; Bausch \& Lomb Inc., Rochester, NY)

Device: bandage contact lenses(PureVision; Bausch & Lomb Inc., Rochester, NY)Procedure: phacoemulsification

control group

ACTIVE COMPARATOR
Procedure: phacoemulsification

Interventions

wear an bandage contact lenses for a week after Complicated and Combined cataract surgery.

BCL group

underwent standard phacoemulsification through a 2.8-mm clear corneal temporal incision and intraocular lens

BCL groupcontrol group

Eligibility Criteria

Age40 Years - 80 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • cataract patients(age 40-80)
  • complex symptom(such as:corneal opacity、small pupil、zonule relaxationlens subluxation、Shallow Anterior Chamber、hypermature cataract、hard nucleus,etc)
  • dry eye disease

You may not qualify if:

  • simplex age-related cataract
  • contact lens use
  • ocular therapies such as 0.05% cyclosporine A or steroids in the last 3 months
  • any systemic diseases such as heart diseases, diabetes and psychosis

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Second Affiliated Hospital, Zhejiang University School of Medicine

Hangzhou, Zhejiang, 310009, China

RECRUITING

Related Publications (1)

  • Chen D, Xu D, Wu X, Wang J, Sheng S, Yu X, Lin X, Liu L, Ge X, Zhao H, Xu W. The efficacy of bandage contact lens in relieving the aggravation of dry eye disease after complicated cataract or/and IOL surgery. BMC Ophthalmol. 2024 Mar 28;24(1):141. doi: 10.1186/s12886-024-03385-x.

MeSH Terms

Conditions

CataractLens SubluxationCorneal OpacityMiosisDry Eye Syndromes

Interventions

Phacoemulsification

Condition Hierarchy (Ancestors)

Lens DiseasesEye DiseasesCorneal DiseasesPupil DisordersNeurologic ManifestationsNervous System DiseasesSigns and SymptomsPathological Conditions, Signs and SymptomsLacrimal Apparatus Diseases

Intervention Hierarchy (Ancestors)

Cataract ExtractionRefractive Surgical ProceduresOphthalmologic Surgical ProceduresSurgical Procedures, OperativeUltrasonic Surgical Procedures

Central Study Contacts

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

September 29, 2019

First Posted

October 9, 2019

Study Start

March 13, 2020

Primary Completion

December 31, 2021

Study Completion

December 31, 2021

Last Updated

April 5, 2021

Record last verified: 2021-01

Locations