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FDA Approves Tyrvaya Nasal Spray for Dry Eye Disease

The approval “marks a milestone for patients and eye care professionals,” says the CEO of Oyster Point Pharma.

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PRINCETON, NJ — The U.S. Food and Drug Administration has approved Tyrvaya nasal spray for treatment of the signs and symptoms of dry eye disease.

The announcement comes from Oyster Point Pharma Inc. (Nasdaq: OYST), a commercial-stage biopharmaceutical company developing therapies for ophthalmic diseases.

“The approval of TYRVAYA Nasal Spray marks a milestone for patients and eye care professionals by providing a new drug treatment option for the signs and symptoms of dry eye disease with a differentiated route of administration that is believed to leverage a nerve pathway that can be accessed within the nose,” said Jeffrey Nau, CEO of Oyster Point Pharma.

The 0.03 mg “is believed to bind to cholinergic receptors to activate the trigeminal parasympathetic pathway resulting in increased production of basal tear film as a treatment for dry eye disease.”

More from the press release:

TYRVAYA Nasal Spray is a highly selective cholinergic agonist delivered twice daily as an aqueous nasal spray into each nostril to activate basal tear production. Nasal spray administration provides a new way to treat dry eye disease without administering medication onto an already irritated ocular surface. In addition, nasal delivery may allow some patients who have difficulty independently administering topical eye drops to administer independently their prescribed dry eye disease therapy.

Jeffrey Nau, Ph.D., MMS, president and CEO of Oyster Point Pharma commented, “The approval of TYRVAYA Nasal Spray marks a milestone for patients and eye care professionals by providing a new drug treatment option for the signs and symptoms of dry eye disease with a differentiated route of administration that is believed to leverage a nerve pathway that can be accessed within the nose.” Dr. Nau further stated, “In any therapeutic area, it’s always an exciting moment when you follow the science and develop a truly innovative pharmaceutical treatment option for patients that addresses an important unmet medical need. In conjunction with the FDA, it has been an honor to work alongside my colleagues at Oyster Point to bring TYRVAYA Nasal Spray to the dry eye disease community. We look forward to making TYRVAYA Nasal Spray available to eye care professionals and their patients.”

Ed Holland, M.D., Director of Cornea Services at Cincinnati Eye Institute and Professor of Ophthalmology at the University of Cincinnati said, “I see many patients in my practice whose lives are impacted by dry eye disease. TYRVAYA Nasal Spray is a new pharmaceutical approach with a differentiated mechanism of action for the dry eye disease community. Having a product that provides clinically meaningful production of basal tear film as early as four weeks is incredible for the dry eye patient.”

TYRVAYA Nasal Spray was studied in the ONSET-1, ONSET-2, and MYSTIC clinical trials in over 1,000 patients with mild, moderate or severe dry eye disease. In ONSET-1 and ONSET-2, the majority of patients were female (74%), the mean (standard deviation [SD]) age was 61 (12.5) years, the mean (SD) baseline anesthetized Schirmer’s score was 5.1 mm (2.9), and the mean (SD) baseline eye dryness score (EDS) was 59.3 (21.6). Use of artificial tears was allowed during the studies. Enrollment criteria included minimal signs [i.e., anesthetized Schirmer’s score (range, 0-10 mm) and corneal fluorescein staining (range, 2-14)] and enrollment was not limited by baseline EDS (range, 2-100).

Basal tear production was measured by change from baseline in anesthetized Schirmer’s score, based on a test that utilizes calibrated filter paper to wick tears and measure tear volume. Eye dryness was measured by change from baseline in Eye Dryness Score, a visual analogue scale where patients rated their level of eye dryness discomfort, with a greater reduction in score indicating greater symptom relief. Eye dryness score was evaluated both in the Controlled Adverse Environment (CAE®) * and in the clinic environment.

TYRVAYA-treated patients showed statistically significant improvements in tear film production as assessed using the anesthetized Schirmer’s score (0-35 mm) at Week 4. Of the patients treated with TYRVAYA, 52% achieved ≥10 mm increase in Schirmer’s score from baseline in the ONSET-1 study, and 47% achieved ≥10 mm increase in Schirmer’s score from baseline in the ONSET-2 study, compared to 14% and 28% of vehicle-treated patients in the ONSET-1 study and the ONSET-2 study, respectively at Week 4 (p<0.01 in both studies). Of the patients treated with TYRVAYA, the mean change in Schirmer’s score was 11.7 mm and 11.3 mm as compared to 3.2 mm and 6.3 mm in the vehicle treated patients in the ONSET-1 study and ONSET-2 study, respectively at Week 4.

In the Controlled Adverse Environment (CAE®), in ONSET-1 the observed mean change from baseline in Eye Dryness Score at week 3 was -16.0 mm in TYRVAYA-treated patients (n=45) compared to -4.4 mm in vehicle- treated patients (n=42). This endpoint was met (p<0.01). In ONSET-2, the observed mean change from baseline in Eye Dryness Score at week 4 was -10.3 mm in TYRVAYA-treated patients (n=187) compared to -7.4 mm in vehicle-treated patients (n=169). This endpoint was not met (p>0.05).

In the clinic environment, in ONSET-1 the mean change from baseline in Eye Dryness Score at week 4 was -18.9 mm in TYRVAYA-treated patients (n=46) compared to -5.4 mm in vehicle-treated patients (n=43). This endpoint was met (p=0.01). In ONSET-2, the mean change from baseline in Eye Dryness Score at week 4 was -19.8 mm in TYRVAYA-treated patients (n=255) compared to -15.4 mm in vehicle-treated patients (n=248). As the CAE® endpoint was not statistically significant, this secondary endpoint was not eligible for statistical testing and was not met.

The most common adverse reaction reported in 82% of patients was sneezing. Events that were reported in 5- 16% of patients were cough, throat irritation, and instillation-site (nose) irritation.

TYRVAYA Nasal Spray will be available with a prescription in November 2021 in cartons containing two multidose nasal spray bottles. Each nasal spray bottle covers treatment for 15 days, administered twice daily into each nostril. Samples that provide 15 days of treatment will also be made available to eye care providers.

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