Early Prevention Strategies of Severe Proliferative Vitreoretinopathy Base on Precision Diagnosis of Single Cell Sequencingvitreoretinopathy

August 19, 2020 updated by: Fang Wang, Shanghai 10th People's Hospital

Early Prevention Strategies of Severe Proliferative Vitreoretinopathy Base on Precision Diagnosis of Single Cell Sequencing

Study of initiating proliferative vitreoretinopathy (PVR)cell subtype (PVR initiating cells (PVR-IC) in RPE cells of rhegmatogenous retinal detachment (RRD) patients; to prove the percentage of PVR-IC decides the risk of serious PVR occurring after surgery; to investigate the safety and efficacy of early local steroids drug intervention in patients with severe postoperative PVR.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Unknown

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Anticipated)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
60

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Not Applicable

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

18 years to 60 years (Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • (1) Age: 18-60 years old, regardless of gender; (2) Clinical diagnosis of with rhegmatogenic retinal detachment (RRD); (3) Surgery for Retinal Detachment is required; (4) Myopia < = 800 degrees; (4) PVR classification: no restrictions; (5) Patients undergoing the first or second operation. (6) Patients volunteered to participate in this study and signed informed consent.

Exclusion Criteria:

  • (1) Exudative detachment of retina; (2) Those who are allergic to the drugs used in the study; (3) Combined with other eye diseases: other fundus diseases, glaucoma, corneal opacity diseases, genetic diseases); (4) history of internal eye surgery >=3 times; (5) Postoperative follow-up could not be scheduled; (6) Patients with systemic diseases (such as asthma, heart failure, myocardial infarction, liver failure, kidney failure and other major diseases).

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Prevention
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Sham Comparator: RD control group
Conventional Surgery for Retinal Detachment
Procedure: Conventional Surgery for Retinal Detachment
Conventional Surgery for Retinal Detachment
Experimental: RD treatment group1
Conventional Surgery for Retinal Detachment，RPE cell collection, single cell heterogeneity study
Procedure: Conventional Surgery for Retinal Detachment
Conventional Surgery for Retinal Detachment
Diagnostic test: RPE cell collection and single cell heterogeneity study
Study of initiating proliferative vitreoretinopathy (PVR)cell subtype (PVR initiating cells (PVR-IC) in RPE cells of rhegmatogenous retinal detachment (RRD) patients, the percentage of which decides the risk of serious PVR occurring after surgery.
Active Comparator: RD treatment group2
Conventional Surgery for Retinal Detachment，RPE cell collection, single cell heterogeneity study, postoperative intervention
Procedure: Conventional Surgery for Retinal Detachment
Conventional Surgery for Retinal Detachment
Diagnostic test: RPE cell collection and single cell heterogeneity study
Study of initiating proliferative vitreoretinopathy (PVR)cell subtype (PVR initiating cells (PVR-IC) in RPE cells of rhegmatogenous retinal detachment (RRD) patients, the percentage of which decides the risk of serious PVR occurring after surgery.
Procedure: Postoperative intervention
Early local steroids drug intervention in patients with severe postoperative PVR

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Retina reattachment rate
Time Frame: 3 months post operation
Percentage of participants whose fundus achieved the following conditions simultaneously (B-mode ultrasound showed retinal detachment band height was 0mm, OCT showed subretinal fluid height was 0um)
3 months post operation
Number of Severe PVR
Time Frame: 3 months post operation
Number of participants whose fundus achieved the following conditions simultaneously (B-mode ultrasound showed proliferative band height exceeded 0mm, OCT showed proliferative band exceeded 0um)
3 months post operation
Best Corrected visual Acuity (BCVA）
Time Frame: 3 months post operation
Patients' best corrected visual acuity assessed by logarithmic visual acuity(0.5-1.0； For example, normal vision was 1.0)
3 months post operation
Intraocular pressure (IOP)
Time Frame: 3 months post operation
Patients' IOP(mmHg) assessed by noncontact tonometer
3 months post operation

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
Retina reattachment rate
Time Frame: 12 months post operation
Percentage of participants whose fundus achieved the following conditions simultaneously (B-mode ultrasound showed retinal detachment band height was 0mm, OCT showed subretinal fluid height was 0um)
12 months post operation
Number of Severe PVR
Time Frame: 12 months post operation
Number of participants whose fundus achieved the following conditions simultaneously (B-mode ultrasound showed proliferative band height exceeded 0mm, OCT showed proliferative band exceeded 0um)
12 months post operation
Best Corrected visual Acuity (BCVA）
Time Frame: 12 months post operation
Patients' best corrected visual acuity assessed by logarithmic visual acuity(0.5-1.0； For example, normal vision was 1.0)
12 months post operation
Intraocular pressure (IOP)
Time Frame: 12 months post operation
Patients' IOP(mmHg) assessed by noncontact tonometer
12 months post operation

Other Outcome Measures

Other Outcome Measures

For clinical trials, a planned measurement described in the protocol that is used to determine the effect of an intervention/treatment on participants. For observational studies, a measurement or observation that is used to describe patterns of diseases or traits, or associations with exposures, risk factors, or treatment. Types of outcome measures include primary outcome measure and secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
RD treatment group1and RD treatment group2
Time Frame: 1 weeks post operation,3 months post operation,12 months post operation
Proportion (%)of PVR-IC subtypes in RPE cells assessed by 10×Genomics single cell sequencing
1 weeks post operation,3 months post operation,12 months post operation
RD treatment group2
Time Frame: 2 weeks post operation,3 months post operation,12 months post operation
Patients' IOP (mmHg)assessed by noncontact tonometer; len's opacity(Grade1-4) assessed by PENTACAM; number of participants who occurred subconjunctival chemosis and hemorrhage(area 1/4-1)
2 weeks post operation,3 months post operation,12 months post operation

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Shanghai 10th People's Hospital

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Anticipated)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
September 1, 2020

Primary Completion (Anticipated)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
June 30, 2022

Study Completion (Anticipated)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
December 31, 2022

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
August 13, 2020

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
August 19, 2020

First Posted (Actual)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
August 20, 2020

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
August 20, 2020

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
August 19, 2020

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
August 1, 2020

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • 09.01.10002

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

Yes

IPD Plan Description

To complete the preliminary report of clinical research.evaluation of the clinical protocol.

IPD Sharing Time Frame

2022.12- completing follow-up. Summarizing and analyzing all test data.Comparison of efficacy and summary of adverse reactions.Statistical analysis.Overall outcome evaluation of the clinical protocol.

IPD Sharing Access Criteria

All access

IPD Sharing Supporting Information Type

  • Study Protocol

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

product manufactured in and exported from the U.S.

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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