Intravitreal Ranibizumab and TA Combination Therapy vs. Ranibizumab Monotherapy in Polypoidal Choroidal Vasculopathy (RANTA)

November 29, 2018 updated by: Aier School of Ophthalmology, Central South University

Multicenter Randomized Controlled Study of Intravitreal Ranibizumab and Triamcinolone Acetonide Combination Therapy Versus Ranibizumab Monotherapy in Patients With Polypoidal Choroidal Vasculopathy

The purpose of this study is to evaluate the effects and safety of ranibizumab therapy combined with TA versus ranibizumab monotherapy in patients with polypoidal choroidal vasculopathy (PCV). Furthermore, the pharmacogenetics effect of inflammatory related genes polymorphism in response to the treatments. To further confirm the role of inflammatory factors in the pathogenesis and advance of PCV.

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.

Detailed Description

Polypoidal choroidal vasculopathy (PCV), a vascular disease of the choroid, appears to be the predominant subtype of exudative or "wet" AMD in Asian populations, in contrast to choroidal neovascularization secondary to AMD (CNV-AMD) in Western populations. There are distinct differences in pathophysiological, clinical and epidemiological factors between the two subtypes, although they also share some common risk factors. In contrast to CNV-AMD, PCV does not seem to respond as well to anti-VEGF treatment. The optimal treatment option for PCV remains elusive, with most studies showing good short-term visual outcome but poorer longer-term outcome with current treatment strategies. Therefore, understanding the pathogenesis of PCV, while developing novel and effective treatments strategies to prevent PCV-related vision loss is significant unmet needs.

The purpose of this study is to assess the effects and safety of ranibizumab therapy combined with TA versus ranibizumab monotherapy in patients with PCV. Second, the pharmacogenetics effect of inflammatory related genes and polymorphism in response to the treatments of PCV will be explored. To further confirm the role of inflammatory factors in the pathogenesis and advance of PCV, it is important to determine the levels of inflammatory factors in the anterior chamber aqueous humor from PCV patients, comparing with the aqueous humor acquired from the age-matched age-related cataract patients undergoing phacoemulsification.

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.
120

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.
  • Phase 4

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • China
    • Beijing
      • Beijing, Beijing, China
        • Beijing Aier Intech Eye Hospital
    • Guangdong
      • Guanzhou, Guangdong, China
        • Guangzhou Aier Eye Hospital
      • Shenzhen, Guangdong, China, 510000
        • Shenzhen Aier Eye Hospital
      • Shenzhen, Guangdong, China, 528000
        • Shenzhen Eye Hospital
    • Heilongjiang
      • Harbin, Heilongjiang, China
        • Harbin Aier Eye Hospital
    • Hubei
      • Wuhan, Hubei, China
        • Wuhan General Hospital of Pla
    • Zhejiang
      • Wenzhou, Zhejiang, China, 325027
        • The Eye Hospital of Wenzhou Medical University

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

50 years to 80 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • bestcorrected visual acuity (BCVA) letter score of 73 to 24 using Early Treatment of Diabetic Retinopathy Study charts at a starting distance of 4 m (20/40 to 20/320 Snellen equivalent);
  • a greatest lineardimensionof the lesion of <5400 um( 9 Macular Photocoagulation Study disk areas), assessed by ICGA;
  • Cross-reading by different center to confirmed diagnosis of PCV, that is, presence of early subretinal focal ICGA hyperfluorescence (appearing within the first 6 minutes after injection of indocyanine green) and in addition, at least one of the following angiographic or clinical criteria: (i) association with a BVN, (ii) presence of pulsatile polyp, (iii) nodular appearance when viewed stereoscopically, (iv) presence of hypofluorescent halo (in first 6 minutes),7 (v) orange subretinal nodules in stereoscopic color fundus photograph (polyp corresponding to ICGA lesions), or (vi) association with massive submacular hemorrhage (defined as size of hemorrhage of at least 4 disk areas).

Exclusion Criteria:

  • received treatment previously with verteporfin PDT, focal laser photocoagulation, transpupillary thermotherapy, pneumatic displacement of subretinal blood, or any investigational treatment;
  • a history of angioid streaks, presumed ocular histoplasmosis syndrome, or pathologic myopia;
  • experienced RPE tear, retinal detachment, macular hole, or uncontrolled glaucoma;
  • undergone intraocular surgery (except uncomplicated cataract extraction with intraocular lens implantation within 60 days before the screening visit)

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: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Single

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.
Experimental: Ranibizumab + Triamcinolone Acetonide
intravitreal injection: Ranibizumab 0.5mg + Triamcinolone Acetonide 2mg
Drug: Triamcinolone Acetonide
Intravitreal inject 0.5mg of Ranibizumab and 2mg of Triamcinolone Acetonide.
Other Names:
  • RANTA
Drug: Ranibizumab
Intravitreal inject 0.5mg of Ranibizumab.
Other Names:
  • RAN
Active Comparator: Ranibizumab
intravitreal injection: Ranibizumab 0.5mg
Drug: Ranibizumab
Intravitreal inject 0.5mg of Ranibizumab.
Other Names:
  • RAN

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
Change of mean BCVA
Time Frame: 12 months
Change of Central BCVA (Measured with EDTRS Chart,numbers of letters) (primary: baseline and 6 months, secondary: baseline to 12 months)
12 months

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
Change of Central Rerina Thickness
Time Frame: 12 months
Change of Central Rerina Thickness (um) (primary: between baseline and 6 months, secondary: between baseline to 12 months)
12 months
regression of Branch vacular network(BVN)
Time Frame: 12 months
Size of Branch vascular network (um)
12 months
Polyps regression
Time Frame: 12 months
Size of polyps (um)(primary: between baseline and 6 months, secondary: between baseline to 12 months)
12 months
Number of re-treatments
Time Frame: 12 month
re-treatments numbers
12 month

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.
Aier School of Ophthalmology, Central South University

Investigators

Investigators

A researcher involved in a clinical study. Related terms include site principal investigator, site sub-investigator, study chair, study director, and study principal investigator.
  • Study Chair: Shibo Tang, Aier School of Ophthalmology, Central South University

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 (Actual)

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.
January 1, 2017

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.
December 1, 2018

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 1, 2019

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).
April 17, 2016

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.
June 16, 2016

First Posted (Estimate)

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.
June 21, 2016

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.
November 30, 2018

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.
November 29, 2018

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.
November 1, 2018

More Information

Terms related to this study

Keywords

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.
  • IRB2016006

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

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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