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A Dose Escalation Study of IBI333 in Subjects With Neovascular Age-related Macular Degeneration

A Dose Escalation Phase I Clinical Study to Evaluate the Tolerability and Safety of IBI333 in Subjects With Neovascular Age-related Macular Degeneration (nAMD)

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05639530
Enrollment
17
Registered
2022-12-06
Start date
2023-02-27
Completion date
2024-04-23
Last updated
2024-09-04

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Neovascular Age-related Macular Degeneration

Brief summary

This study is designed for multi-center, open-label, dose escalation phase I trial to evaluate the safety and tolerability of a single and multiple intravitreal injection of IBI333 in subjects with neovascular age-related macular degeneration (nAMD).

Interventions

BIOLOGICALIBI333

Intravitreal injection of IBI333

Sponsors

Innovent Biologics (Suzhou) Co. Ltd.
Lead SponsorINDUSTRY

Study design

Allocation
NON_RANDOMIZED
Intervention model
SEQUENTIAL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
50 Years to No maximum
Healthy volunteers
No

Inclusion criteria

1. Willing and able to sign informed consent form and comply with visit and study procedures per protocol. 2. Male or female patients ≥ 50 yrs. of age. 3. Active CNV lesions secondary to neovascular AMD. 4. BCVA score of 19-78 letters using ETDRS charts in the study eye. 5. Female subjects of childbearing age or male subjects with childbearing age female partner agree to take effective contraceptive measures from the screening period to 6 months after the end of treatment.

Exclusion criteria

1. Concomitant diseases that may cause subjects fail to respond to the treatment or confuse the interpretation of the study results; 2. Tractional retinal detachment, pre-retinal fibrosis, vitreomacular traction, or epiretinal membrane involving the fovea or disrupting the macular structure in the study eye; 3. Active ocular or periocular inflammation/infection in either eye; 4. Prior any treatment of following in the study eye: 1. Anti-VEGF therapy within 90 days prior to screening; 2. Intraocular glucocorticoid injection within 180 days prior to screening; 3. Laser photocoagulation or photodynamic therapy within 90 days prior to screening; 4. Intraocular surgery within 90 days prior to screening; 5. Laser posterior capsulotomy, laser trabeculectomy or laser peripheral iridectomy within 30 days prior to screening; 5. Glycated hemoglobin (HbA1c) \> 8% within 28 days prior to screening; 6. Uncontrolled hypertension (defined as systolic blood pressure \>160 mmHg or diastolic blood pressure \>100 mmHg); 7. Systemic administration of steroids within 30 days prior to screening; 8. Systemic administration of anti-VEGF drugs within 90 days prior to screening; 9. History of severe hypersensitivity/allergic to active ingredients or any excipients of the study drug, or fluorescein and povidone iodine; 10. Participated in any clinical study of any other drug within 90 days prior to enrollment, or attempted to participate in other drug trials during the study; 11. Other conditions unsuitable for enrollment judged by investigators.

Design outcomes

Primary

MeasureTime frameDescription
Safety and tolerance indicatorsThrough study completion, a maximum of 24 weeks1. Incidence, relatedness and severity of all adverse events (AE), treatment emergent adverse events (TEAE) and serious adverse events (SAE); 2. Incidence of dose limiting toxicity;

Secondary

MeasureTime frame
Maximum concentration (Cmax) of the drug after the administration.Through study completion, a maximum of 24 weeks
Time at which maximum concentration (Tmax) occurs for the drug after the administration.Through study completion, a maximum of 24 weeks
The half-life (t1/2) of drug after the administration .Through study completion, a maximum of 24 weeks
Number of participants with anti-drug antibodies or neutralizing antibodies .Through study completion, a maximum of 24 weeks
The area under the curve (AUC) of serum concentration of the drug after the administration.Through study completion, a maximum of 24 weeks
Changes of CST measured by spectral domain optical coherence tomography (SD-OCT) from baseline.Through study completion, a maximum of 24 weeks
Proportion of subjects without intraretinal or subretinal fluid on SD-OCT.Through study completion, a maximum of 24 weeks
Change of height of pigment epithelial detachment from baseline on SD-OCT.Through study completion, a maximum of 24 weeks
Changes of BCVA measured by ETDRS chart from baseline.Through study completion, a maximum of 24 weeks

Countries

China

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026