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Glaukos Corporation (NYSE:GKOS) announced positive outcomes from its Phase 2b clinical trial of the iDose TR implant for glaucoma treatment, showing that approximately 70% of subjects maintained controlled intraocular pressure with fewer topical medications over 36 months. The trial demonstrated an average IOP reduction of 8.3 mmHg and a favorable safety profile, with no significant adverse effects reported. Following these promising results, Glaukos is preparing for a Phase 3 trial, with NDA submission targeted for 2022 and potential FDA approval in 2023.
Positive
70% of subjects maintained intraocular pressure with fewer topical medications at 36 months.
Average IOP reductions of 8.3 mmHg and 8.5 mmHg in fast- and slow-release arms, respectively.
Favorable safety profile with no serious adverse events reported.
Momentum towards Phase 3 trial and anticipated NDA submission in 2022.
Negative
None.
Approximately 70% of Subjects were Well-Controlled on iDose TR with the Same or Fewer Topical IOP-Lowering Medications at 36 Months vs. Screening
Favorable Safety Profile Through 36 Months
SAN CLEMENTE, Calif.--(BUSINESS WIRE)--
Glaukos Corporation (NYSE: GKOS), an ophthalmic medical technology and pharmaceutical company focused on novel therapies for the treatment of glaucoma, corneal disorders and retinal diseases, today announced that its iDose® TR sustained-release travoprost implant continued to provide sustained substantial reductions in intraocular pressure (IOP) in a 36-month analysis of the 36-month Phase 2b clinical trial conducted under a U.S. Investigational New Drug (IND) protocol.
Administered during a micro-invasive procedure, the iDose TR contains a novel formulation of travoprost, a prostaglandin analog used to reduce IOP, and was designed to continuously release therapeutic levels of the medication for at least one year. Once all travoprost is released, the iDose TR was designed to be removed and replaced with a new iDose TR, thus potentially offering an alternative to daily eye drop treatment.
The 154-subject, multi-center, randomized, double-blind Phase 2b trial was designed to evaluate a single administration of one of two iDose TR models with different travoprost release rates compared to topical timolol ophthalmic solution, 0.5% BID (twice a day). The primary efficacy endpoint agreed on with the U.S. Food and Drug Administration (FDA) is the non-inferiority comparison to timolol over the first three months after a single implantation of iDose TR. The currently reported Phase 2b results are based on an analysis conducted at 36 months for all 154 subjects randomized into the trial, with 51, 54 and 49 subjects randomized to iDose TR fast-release arm, iDose TR slow-release arm and timolol active comparator arm, respectively. The subjects randomized to either iDoseTR arm received a single intracameral implant while the subjects randomized to the timolol active comparator received twice-daily eye drops over the 36-month evaluation period, which equates to approximately 2,190 eye drops per eye, per protocol.
Topline summary results and observations from the analysis of the iDose TR Phase 2b clinical trial at 36 months are as follows:
70% and 68% of subjects in the fast- and slow-release iDose TR arms, respectively, were well-controlled with the same or fewer IOP-lowering topical medications at 36 months versus screening, versus 46% of subjects in the timolol control arm.
In this responder group, average IOP reductions from baseline observed at 36 months were 8.3 mmHg and 8.5 mmHg in the fast- and slow-release iDose TR arms, respectively, versus 8.2 mmHg in the timolol control arm.
Overall, iDose TR subjects performed similarly to timolol subjects at 36 months in terms of mean IOP reductions with fewer topical medications versus timolol.
The 36-month Phase 2 data also continued to demonstrate a favorable safety profile for iDose TR, with no clinically significant corneal endothelial cell loss, no serious corneal adverse events and no adverse events of periorbital fat atrophy and conjunctival hyperemia reported to date in either elution arm.
“These latest Phase 2 results further underscore the potential of iDose TR to safely provide multiple years of sustained dropless therapy and help tackle the significant problem of patient non-adherence to and chronic side effects associated with topical glaucoma medication regimens,” said Thomas Burns, Glaukos president and chief executive officer. “We believe there is an important unmet clinical need and strong appetite within the ophthalmic community for safe, effective and durable dropless pharmaceutical alternatives to traditional topical medications. These data reaffirm our excitement about the potential commercial prospects of iDoseTR and mark another critical step forward in the advancement of our novel and comprehensive product pipeline designed to transform the treatment of chronic eye diseases for the benefit of patients worldwide.”
On June 10, 2021, Glaukos announced the completion of patient enrollment and randomization in its ongoing Phase 3 clinical program for iDose TR. The Phase 3 program consists of two prospective, randomized, double-masked clinical trials designed to compare the safety and efficacy of iDose TR to topical timolol ophthalmic solution, 0.5%, in reducing elevated intraocular pressure in subjects with open-angle glaucoma (OAG) or ocular hypertension. The primary efficacy endpoint of the Phase 3 studies is non-inferiority comparison to topical timolol 0.5% BID over the first 3 months, and safety evaluations for up to 12 months. The Phase 3 trials randomized a total of 1,150 subjects across 89 clinical sites, the majority of which are in the United States. The 12-month iDose TR Phase 3 trial results are expected to support Glaukos’ targeted NDA submission in 2022 and FDA approval for iDose TR in 2023.
About Glaukos
Glaukos (www.glaukos.com) is an ophthalmic medical technology and pharmaceutical company focused on novel therapies for the treatment of glaucoma, corneal disorders and retinal diseases. The company pioneered Micro-Invasive Glaucoma Surgery, or MIGS, to revolutionize the traditional glaucoma treatment and management paradigm. Glaukos launched the iStent®, its first MIGS device, in the United States in 2012, its next-generation iStent inject® device in the United States in 2018, and most recently, the iStent inject W device in 2020. In corneal health, Glaukos’ proprietary suite of single-use, bio-activated pharmaceuticals are designed to strengthen, stabilize and reshape the cornea through a process called corneal collagen cross-linking to treat corneal ectatic disorders and correct refractive conditions. Glaukos is leveraging its platform technology to build a comprehensive and proprietary portfolio of micro-scale surgical and pharmaceutical therapies in glaucoma, corneal health and retinal disease.
Forward-Looking Statements
All statements other than statements of historical facts included in this press release that address activities, events or developments that we expect, believe or anticipate will or may occur in the future are forward-looking statements. Although we believe that we have a reasonable basis for forward-looking statements contained herein, we caution you that they are based on current expectations about future events affecting us and are subject to risks, uncertainties and factors relating to our operations and business environment, all of which are difficult to predict and many of which are beyond our control, that may cause our actual results to differ materially from those expressed or implied by forward-looking statements in this press release. These potential risks and uncertainties include, without limitation, the timing and extent to which we submit our U.S. NDA submission for iDose TR, obtain regulatory approval for iDose TR or other investigational products, our ability to successfully commercialize such products, the ability to obtain and maintain adequate financial coverage and reimbursement for our products, and the continued efficacy and safety profile of our products. These and other risks, uncertainties and factors related to Glaukos, and our business are described in detail under the caption “Risk Factors” and elsewhere in our Quarterly Report on Form 10-Q for the quarter ended September 30, 2021, which was filed with the Securities and Exchange Commission (SEC) on November 8, 2021. Our filings with the Securities and Exchange Commission are available in the Investor Section of our website at www.glaukos.com or at www.sec.gov. In addition, information about the risks and benefits of our products is available on our website at www.glaukos.com. All forward-looking statements included in this press release are expressly qualified in their entirety by the foregoing cautionary statements. You are cautioned not to place undue reliance on the forward-looking statements in this press release, which speak only as of the date hereof. We do not undertake any obligation to update, amend or clarify these forward-looking statements whether as a result of new information, future events or otherwise, except as may be required under applicable securities law.
Investor Contact:
Chris Lewis Sr. Director, Investor Relations & Corporate Strategy & Development
(949) 481-0510
clewis@glaukos.com
Source: Glaukos Corporation
FAQ
What were the results of Glaukos' Phase 2b clinical trial for iDose TR?
The trial indicated that approximately 70% of subjects were well-controlled on iDose TR with fewer topical medications, showing significant IOP reductions over 36 months.
What is the expected timeline for iDose TR FDA approval?
Glaukos plans to submit a New Drug Application (NDA) for iDose TR in 2022, with FDA approval anticipated in 2023.
What safety profile was reported for iDose TR in the clinical trial?
The safety profile for iDose TR remained favorable with no clinically significant adverse effects reported over the 36-month trial period.
How does iDose TR compare to traditional glaucoma treatments?
iDose TR provided sustained IOP control with fewer medications compared to the traditional timolol eye drops, equating to approximately 2,190 drops over the evaluation period.
