- If approved, PDS would be the first and only eye implant with continuous drug delivery that offers people living with nAMD an alternative to frequent eye injections
- A pivotal study showed PDS extends time between treatments up to six months for more than 98% of patients and provides vision outcomes equivalent to monthly ranibizumab injections
- The
European Medicines Agency has also validated the PDS Marketing Authorisation Application in nAMD
“Anti-VEGF therapy brings significant benefit to people with nAMD, but optimal results require frequent trips to the doctor’s office for eye injections. This burden leaves many people under-treated and susceptible to vision loss,” said
PDS is a permanent refillable eye implant, approximately the size of a grain of rice, designed to continuously deliver a customised formulation of ranibizumab over a period of months, potentially reducing the treatment burden associated with frequent eye injections.4,5
The BLA submission is based on positive results from the phase III Archway study primary analysis, which showed that of those nAMD patients being treated with PDS, more than 98% were able to go six months without needing additional treatment prior to the refill-exchange. In addition, these patients achieved vision outcomes equivalent to patients receiving monthly ranibizumab eye injections. In the study, PDS was generally well-tolerated, with a favourable benefit-risk profile. The safety profile of PDS in the clinical trial setting is well understood and will continue to be closely monitored. If approved, PDS would be the first and only nAMD therapy indicated to allow six months between treatments.4,6
The PDS Marketing Authorisation Application has also been validated by the
About the Archway Study4,6,10
Archway (NCT03677934) is a randomised, multicentre, open-label phase III study evaluating the efficacy and safety of Port Delivery System with ranibizumab (PDS), refilled every six months at fixed intervals, compared to monthly intravitreal injections of ranibizumab 0.5 mg in 418 people living with neovascular age-related macular degeneration (nAMD). Patients enrolled in Archway were responders to prior treatment with anti-vascular endothelial growth factor (VEGF) therapy. In both study arms, patients were treated with at least three anti-VEGF injections within the six months prior to their Archway screening visit. The primary endpoint of the study is the change in best-corrected visual acuity (BCVA) score (the best distance vision a person can achieve – including with correction such as glasses – when reading letters on an eye chart) from baseline at the average of Week 36 and Week 40. Secondary endpoints include safety, overall change in BCVA from baseline and change from baseline in center point thickness over time.
According to pre-specified study criteria, PDS was shown to be non-inferior and equivalent to monthly ranibizumab injections. On average, patients had received five prior ranibizumab injections before their first Archway visit. In the PDS arm of the study, patients gained an average of 0.2 eye chart letters in visual acuity from baseline compared with 0.5 eye chart letters for the monthly ranibizumab arm. During the first treatment interval, before the first scheduled refill, 1.6% of PDS patients assessed (n=4/246) received supplemental treatment, and 98.4% of patients (n=242/246) did not receive supplemental treatment.
In addition, PDS controlled retinal thickness as effectively as monthly ranibizumab, with patients in both arms achieving a mean change in center point thickness within 10 μm from baseline at Week 36. In the study, PDS was generally well-tolerated, with a favourable benefit-risk profile. The safety profile of PDS in the clinical trial setting is well understood and will continue to be closely monitored.
About neovascular age-related macular degeneration
Age-related macular degeneration (AMD) is a condition that affects the part of the eye that provides sharp, central vision needed for activities like reading.2 Neovascular or “wet” AMD (nAMD) is an advanced form of the disease that can cause rapid and severe vision loss.11,12 It develops when new and abnormal blood vessels grow uncontrolled under the macula, causing swelling, bleeding and/or fibrosis.12 Worldwide, around 20 million people are living with nAMD – the leading cause of vision loss in people over the age of 60 – and the condition will affect even more people around the world as the global population ages.1,2,3
About Port Delivery System with ranibizumab (PDS)
PDS is a permanent refillable eye implant, approximately the size of a grain of rice, which is designed to continuously release a customised formulation of ranibizumab into the eye over time.4 Ranibizumab is a vascular endothelial growth factor (VEGF) inhibitor designed to bind to and inhibit VEGF-A, a protein that is believed to play a critical role in the formation of new blood vessels and the leakiness of the vessels.13 PDS contains a customised formulation of ranibizumab not approved by regulatory authorities. It is different from the ranibizumab intravitreal injection, a medicine marketed as Lucentis® (ranibizumab injection), which is approved to treat neovascular age-related macular degeneration (nAMD) and other retinal diseases.14
By maintaining therapeutic drug concentration levels of ranibizumab with two refills per year, PDS may offer greater outcomes certainty in terms of vision gains and maintaining those gains for people living with retinal diseases, including nAMD.6 Additionally, by decreasing the need for frequent injections and physician visits, PDS may reduce the burden of treatment associated with standard anti-VEGF treatments.4,5
About
We have the broadest retina pipeline in Ophthalmology, covering early and late stage products, which is led by science and informed by insights from people with eye diseases. Our late stage pipeline includes two potential first-of-a-kind treatments, Port Delivery System with ranibizumab (PDS) and faricimab, which are being evaluated in a number of retinal conditions including neovascular age-related macular degeneration, diabetic macular edema and diabetic retinopathy. PDS is an investigational, permanent refillable eye implant that continuously delivers a customised formulation of ranibizumab over a period of months, potentially reducing the treatment burden associated with frequent eye injections. Faricimab is the first investigational bispecific antibody designed for the eye. It targets two distinct pathways – via angiopoietin-2 (Ang-2) and vascular endothelial growth factor-A (VEGF-A) – that drive a number of retinal conditions, to stabilise blood vessels, potentially improving vision outcomes for longer. Our early stage pipeline includes gene therapies and treatments for geographic atrophy and other vision-threatening diseases, including rare and inherited conditions.
Applying our extensive experience, we have already brought breakthrough ophthalmic treatments to people living with vision loss through Lucentis®️* (ranibizumab injection), the first treatment approved to improve vision in people with certain retinal conditions.
About
Founded in 1896,
The
*Lucentis® (ranibizumab injection) was developed by
All trademarks used or mentioned in this release are protected by law.
References
[1] Wong WL ,et al. Global prevalence of age-related macular degeneration and disease burden projection for 2020 and 2040: a systematic review and meta-analysis.
[2]
[3] Connolly E, et al. Prevalence of age-related macular degeneration associated genetic risk factors and 4-year progression data in the Irish population. Br
[4] Campochiaro P, et al. Primary analysis results of the phase 3 Archway trial of the port delivery system with ranibizumab for patients with neovascular AMD.
[5] Holz FG, et al. Multi-country real-life experience of anti-vascular endothelial growth factor therapy for wet age-related macular degeneration.
[6] Regillo C, et al. Port delivery system with ranibizumab (PDS) for nAMD: Updated data from the Archway phase 3 trial. Angiogenesis, Exudation, and Degeneration 2021 Annual Meeting; 2021 February 12–13.
[7] ClinicalTrials.gov. Extension study for the port delivery system with ranibizumab (Portal) [Internet; cited
[8] ClinicalTrials.gov. This study will evaluate the efficacy, safety, and pharmacokinetics of the port delivery system with ranibizumab in participants with diabetic macular edema compared with intravitreal ranibizumab (Pagoda) [Internet; cited
[9] ClinicalTrials.gov. A multicenter, randomized study in participants with diabetic retinopathy without center-involved diabetic macular edema to evaluate the efficacy, safety, and pharmacokinetics of ranibizumab delivered via the port delivery system relative to the comparator arm (PAVILION) [Internet; cited
[10] ClinicalTrials.gov. A phase III study to evaluate the Port Delivery System with ranibizumab compared with monthly ranibizumab injections in participants with wet age-related macular degeneration (ARCHWAY) [Internet; cited
[11] Pennington KL, DeAngelis MM. Epidemiology of age-related macular degeneration (AMD): associations with cardiovascular disease phenotypes and lipid factors. Eye and Vision. 2016;3:34.
[12] Little K., et al. Myofibroblasts in macular fibrosis secondary to neovascular age-related macular degeneration-the potential sources and molecular cues for their recruitment and activation. EBioMedicine. 2018;38:283-91.
[13] Wykoff CC, et al. Optimizing anti-VEGF treatment outcomes for patients with neovascular age-related macular degeneration. J Manag Care Spec Pharm. 2018;24(2-a Suppl):S3–S15.
[14] FDA. Highlights of prescribing information, Lucentis. 2012 [Internet; cited
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