Study to Evaluate the Safety of CG-P5 Peptide Eye Drops in Patients Diagnosed With Age-related Wet Macular Degeneration

Recruiting now · Phase 1 · Has a placebo group

Conditions studied: Age-related Wet Macular Degeneration

In brief

This will be a randomized, comparative, parallel, clinical study to assess initial safety and tolerability of CG-P5 peptide eye drops compared to placebo in patients diagnosed with age-related wet macular degeneration

Key facts

Study ID

NCT06132035

Run by

Caregen Co. Ltd.

People needed

45

Starts

2023-12-22

Expected to finish

2025-08-01

Last updated by the study team

2025-02-07

Who can join

Age: 50 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Male or female patients ≥50 years of age
• Willing and able to provide written informed consent
• Diagnosis of age-related wet macular degeneration (wAMD) in the study eye as determined by the investigator on fundus examination
• Primary or recurrent active choroidal neovascularization (CNV) lesions involving the foveal center secondary to age-related wet macular degeneration in any one of the eyes. (If both eyes are affected and eligible, the eye with the worse BCVA, as assessed at screening, will be selected as the study eye
• Best corrected visual acuity (BCVA) of 75-25 eye Early Treatment of Diabetic Retinopathy Study (ETDRS) letters (approximate Snellen equivalent between 20/ 32 to 20/320) inclusive before pupil dilation assessed at the initial testing distance of 4 meters
• Central Subfield Thickness (CST thickness) ≥ 250 microns on SD-OCT (exclusive of subretinal pigment epithelial fluid, inclusive of SRF)
• Presence of SRF and/or IRF on SD-OCT
• Total lesion size not greater than 12 disc areas (30.48 mm2) (1 disc area = 2.54 mm2) on FA
• If present, subretinal hemorrhage must comprise < 50% of the total lesion area on FA, SD-OCT, or FAF
• No subfoveal fibrosis or atrophy on FA, SD-OCT, or FAF
• Active CNV membranes with subfoveal leakage or juxtafoveal leakage too close for laser photocoagulation
• Females who are of non-childbearing potential (surgically sterile or menopausal) OR if of childbearing potential using effective birth control and non-pregnant \& non-lactating
• Ability to follow protocol requirements

You may not qualify if…

• Patients having additional eye disease in the posterior segment of study eye other than wAMD
• Any other pathology involving the CNV lesion like retro foveolar atrophy or permanent structural damage to fovea or fibrosis/ hemorrhage involving fovea > 50 % of lesion area of study eye that can affect the efficacy of drug
• Vitreous hemorrhage or history of rhegmatogenous retinal detachment, retinal pigment epithelial tear involving the macula or macular hole (stage 3 or 4) in the study eye
• Aphakia or absence of the posterior capsule in the study eye
• History or expectation of the following surgery in the study eye:
• Vitrectomy within last 1 month
• Cataract surgery or Lasik within the last 3 months
• Planned cataract removal surgery during the study
• A history or medical diagnosis of uncontrolled glaucoma (defined as IOP >25mmHg even with anti-glaucoma medication), advanced glaucoma resulting in a cup/disc ratio >0.8 in the study eye, or glaucoma filtration surgery in the study eye
• Serious complications following surgery in the study eye within 1 year
• Current or planned use of medications known to be toxic to the retina, lens, or optic nerve (e.g., deferoxamine, chloroquine/hydro chloroquine, chlorpromazine, phenothiazines, tamoxifen, nicotinic acid, and ethambutol)
• Medical history or condition: Uncontrolled diabetes mellitus, with glycosylated hemoglobin (HbA1c) > 10%, myocardial infarction or stroke within 12 months of screening, active bleeding disorder, major surgery within 1 month of screening or when planned within the study period, hepatic impairment, uncontrolled hypertension, other unstable or progressive cardiovascular, pulmonary, Parkinson, liver, or renal disease or cancer or dementia
• Previous treatment with intravenous bevacizumab or intravitreal ranibizumab, bevacizumab, aflibercept, pegaptanib in either of the eyes within four months prior to enrolment
• Previous treatment with verteporfin photodynamic therapy (PDT), thermal laser, transpupillary thermotherapy, intravitreal or protein kinase C inhibitors or other AMD therapy in the study eye within 3 months prior to randomization
• Previous treatment with intravitreal ocular or periocular steroids (e.g., triamcinolone, anecortave acetate) or peribulbar steroid in the study eye within past 3 months
• Concurrent use of systemic anti-VEGF agents
• Any ophthalmic device implantation within the previous 12 months
• Patients with a clinically significant abnormal screening hematology, blood chemistry, or urinalysis, unsuitable for study participation in the investigator's opinion
• Aspartate Transaminase (AST), Alanine Transaminase (ALT), alkaline phosphatase, Gamma-glutamyl Transferase (GGT), total bilirubin, direct bilirubin, indirect bilirubin, and LDH ≥ 2.0-fold the upper limit of normal at screening
• Patient with impaired renal function defined as calculated creatinine clearance (CLCr) <30mL/min
• Males: CLCr = [140 - a(years)] x weight(kg)/ 72 x serum creatinine (mg/dL)
• Females: CLCr = [140 - a(years)] x weight(kg) (x 0.85)/ 72 x serum creatinine (mg/dL)
• Significant alcohol or drug abuse within past 2 years per investigator judgement
• Previous participation in other trials for treatment of wAMD with systemic administration if washout period from last administration is shorter than 3 months
• Significant disease or other medical conditions (as determined by medical history, examination, and clinical investigations at screening) that may, in the opinion of the investigator result in the any of the following:

Where it is running

• CBCC Global Research Site:005 — Manchester, Connecticut, United States (enrolling)
• CBCC Global Research Site:006 — Deerfield Beach, Florida, United States (enrolling)
• CBCC Global Research Site:001 — Augusta, Georgia, United States (enrolling)
• CBCC Global Research Site:004 — Carmel, Indiana, United States (enrolling)
• CBCC Global Research Site:003 — Fargo, North Dakota, United States (enrolling)
• CBCC Global Research Site:002 — Erie, Pennsylvania, United States (enrolling)
• CBCC Global Research Site:007 — Philadelphia, Pennsylvania, United States (enrolling)

Full record on ClinicalTrials.gov

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