A Study to Evaluate the Efficacy and Safety of KSI-301, an Anti-VEGF Antibody Biopolymer Conjugate, Versus Aflibercept in Patients With Neovascular (Wet) Age-Related Macular Degeneration. (DAZZLE)
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ClinicalTrials.gov Identifier: NCT04049266 |
Recruitment Status :
Terminated
(Primary Endpoint Not Met)
First Posted : August 8, 2019
Last Update Posted : June 6, 2022
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Condition or disease | Intervention/treatment | Phase |
---|---|---|
Wet Macular Degeneration | Drug: KSI-301 Drug: Aflibercept Other: Sham Procedure | Phase 2 Phase 3 |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 558 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | Triple (Participant, Investigator, Outcomes Assessor) |
Masking Description: | A masked evaluating investigator will be responsible for subject care except the injections and the safety assessment following the injections. An unmasked treating investigator will perform the injections and assess patient safety following the injections. |
Primary Purpose: | Treatment |
Official Title: | A Phase 2b/3, Prospective, Randomized, Double-masked, Active Comparator-controlled, Multi-center Study to Investigate the Efficacy and Safety of Repeated Intravitreal Administration of KSI-301 in Subjects With Neovascular (Wet) Age-related Macular Degeneration. |
Actual Study Start Date : | September 30, 2019 |
Actual Primary Completion Date : | November 17, 2021 |
Actual Study Completion Date : | April 26, 2022 |

Arm | Intervention/treatment |
---|---|
Experimental: KSI-301 5 mg
Drug: KSI-301 5 mg. KSI-301 5 mg will be administered by intravitreal injection into the study eye at 12, 16, and 20 weeks intervals as specified in the study protocol. Drug: Sham Procedure. The sham is a procedure that mimics an intravitreal injection. It involves pressing the blunt end of an empty syringe (without a needle) against the anesthetized eye. It will be administered to participants in both treatments arms at applicable visits to maintain masking. |
Drug: KSI-301
Intravitreal Injection Other: Sham Procedure The sham is a procedure that mimics an intravitreal injection. It involves pressing the blunt end of an empty syringe (without a needle) against the anesthetized eye. It will be administered to participants in both treatments arms at applicable visits to maintain masking. |
Active Comparator: Aflibercept 2 mg
Drug: Aflibercept 2 mg. Aflibercept 2 mg will be administered by intravitreal injection into the study eye once every 4 weeks for 3 consecutive months, followed by once every 8 weeks. Drug: Sham Procedure. The sham is a procedure that mimics an intravitreal injection. It involves pressing the blunt end of an empty syringe (without a needle) against the anesthetized eye. It will be administered to participants in both treatments arms at applicable visits to maintain masking. |
Drug: Aflibercept
Intravitreal Injection
Other Name: Eylea Other: Sham Procedure The sham is a procedure that mimics an intravitreal injection. It involves pressing the blunt end of an empty syringe (without a needle) against the anesthetized eye. It will be administered to participants in both treatments arms at applicable visits to maintain masking. |
- Mean change in Best Corrected Visual Acuity (BCVA) from Day 1. [ Time Frame: Year 1 ]BCVA is measured using ETDRS visual acuity charts.
- Proportion of subjects on a Q12W, Q16W or Q20W dosing regimen of KSI-301. [ Time Frame: Year 1 ]
- Proportion of subjects who gain ≥ 5, ≥10 and ≥15 letters from Day 1. [ Time Frame: Year 1 ]
- Proportion of subjects who lose ≥ 5, ≥10 and ≥15 letters from Day 1. [ Time Frame: Year 1 ]
- Proportion of subjects with BCVA Snellen equivalent of 20/40 or better. [ Time Frame: Year 1 ]
- Proportion of subjects with BCVA Snellen equivalent of 20/200 or worse. [ Time Frame: Year 1 ]
- Mean change in OCT central subfield retinal thickness (CST) from Day 1. [ Time Frame: Year 1 ]
- Mean change in OCT intraretinal fluid volume from Day 1. [ Time Frame: Year 1 ]
- Mean change in OCT subretinal fluid volume from Day 1. [ Time Frame: Year 1 ]
- Proportion of subjects without intraretinal fluid on OCT. [ Time Frame: Year 1 ]
- Proportion of subjects without subretinal fluid on OCT. [ Time Frame: Year 1 ]
- Mean change in CNV total lesion area on FA from baseline. [ Time Frame: Year 1 ]
- Mean chance in area of leakage on FA from baseline. [ Time Frame: Year 1 ]

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Ages Eligible for Study: | 50 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Signed informed consent prior to participation in the study.
- Active, treatment-naïve choroidal neovascularization (CNV) secondary to AMD.
- BCVA ETDRS score between 80 and 25 letters (Snellen equivalent of 20/25 to 20/320), inclusive.
- Other protocol-specified inclusion criteria may apply
Exclusion Criteria:
- CNV secondary to other causes in the Study Eye.
- Any history of macular pathology unrelated to AMD but affecting vision or contributing to subretinal or intraretinal fluid.
- Any history or evidence of a concurrent intraocular condition in the Study Eye that, in the judgment of the Investigator, could require either medical or surgical intervention during the study to prevent or treat visual loss.
- Active ocular or periocular infection or inflammation.
- Prior administration of any approved or investigational treatment for neovascular AMD in the Study Eye.
- Uncontrolled glaucoma in the Study Eye.
- Women who are pregnant or lactating or intending to become pregnant during the study.
- Stroke or myocardial infarction in the 6-month period prior to Day 1.
- Uncontrolled blood pressure defined as a systolic value > 180 mmHg or diastolic value ≥100 mmHg while at rest.
- History of a medical condition that, in the judgment of the Investigator, would preclude scheduled study visits, completion of the study, or a safe administration of investigational product.
- Other protocol-specified exclusion criteria may apply.

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04049266

Study Director: | Jason Ehrlich, MD, PhD | Kodiak Sciences Inc |
Responsible Party: | Kodiak Sciences Inc |
ClinicalTrials.gov Identifier: | NCT04049266 |
Other Study ID Numbers: |
KSI-CL-102 |
First Posted: | August 8, 2019 Key Record Dates |
Last Update Posted: | June 6, 2022 |
Last Verified: | June 2022 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |
Wet AMD choroidal neovascularization secondary to age-related macular degeneration Macular Degeneration Wet Macular Degeneration Retinal Degeneration Kodiak AMD KSI-301 Aflibercept |
Vascular endothelial growth factor VEGF Anti-VEGF Antibody biopolymer conjugate Retinal Diseases Eye Diseases Vision Disorders Vision, low |
Macular Degeneration Wet Macular Degeneration Retinal Degeneration Retinal Diseases Eye Diseases Aflibercept |
Angiogenesis Inhibitors Angiogenesis Modulating Agents Growth Substances Physiological Effects of Drugs Growth Inhibitors Antineoplastic Agents |