Drugs / Diquafosol

Trials 19

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 24 trials
Phase 2 NCT06146881 Oct 2022 → Dec 2023 dry eye syndrome Indonesia University Unknown No outcome recorded
Phase 2 NCT01381731 Apr → Jun 2005 — Merck Sharp & Dohme LLC Terminated No outcome recorded
Phase 2 NCT00679718 Jan → Jul 2000 dry eye syndrome Merck Sharp & Dohme LLC Completed No outcome recorded
Phase 2 NCT00680108 Sep 1999 → May 2000 dry eye syndrome Merck Sharp & Dohme LLC Completed No outcome recorded
Phase 36 trials · 1 met primary
Phase 3 NCT06903884 Feb 2026 → Jun 2028 expected vernal keratoconjunctivitis The University of Hong Kong Recruiting No outcome recorded
Phase 3 NCT06427031 Jul 2023 → May 2024 dry eye syndrome Taejoon Pharmaceutical Co., Ltd. Completed No outcome recorded
Phase 3 NCT00831662 Jan → Dec 2009 dry eye syndrome Merck Sharp & Dohme LLC Completed Met primary
Phase 3 NCT00600288 Jan → May 2008 dry eye syndrome Merck Sharp & Dohme LLC Completed No outcome recorded
Phase 3 NCT00403975 Jun → Nov 2004 dry eye syndrome Merck Sharp & Dohme LLC Completed No outcome recorded
Phase 3 NCT00403715 Feb 2001 → Sep 2002 dry eye syndrome Merck Sharp & Dohme LLC Completed No outcome recorded
Phase 42 trials
Phase 4 NCT07297316 Oct 2022 → Aug 2024 dry eye syndrome Korea University Anam Hospital Completed No outcome recorded
Phase 4 NCT04668118 Feb 2021 → Oct 2022 VISS syndrome, asthenopia, dry eye syndrome Peking University Third Hospital Unknown No outcome recorded
Phase not applicable7 trials
— NCT07097922 Aug 2025 → May 2026 overdue dry eye syndrome He Eye Hospital Not yet recruiting No outcome recorded
— NCT06852105 Feb 2025 → May 2026 overdue dry eye syndrome He Eye Hospital Not yet recruiting No outcome recorded
— NCT06537349 Aug → Dec 2024 overdue dry eye syndrome He Eye Hospital Not yet recruiting No outcome recorded
— NCT05193331 Apr → Aug 2023 — He Eye Hospital Unknown No outcome recorded
— NCT05383612 Aug 2022 → May 2024 dry eye syndrome Zhongshan Ophthalmic Center, Sun Yat-sen University Unknown No outcome recorded
— NCT06560580 Nov 2021 → Jul 2023 dry eye syndrome Tianjin Eye Hospital Completed No outcome recorded
— NCT01101984 Feb 2010 → Apr 2012 dry eye syndrome Santen Pharmaceutical Co., Ltd. Completed No outcome recorded
Comparator or background therapy7 trials
Phase 1/2 NCT05346783 Comparator Oct 2021 → Dec 2022 dry eye syndrome Taejoon Pharmaceutical Co., Ltd. Unknown No outcome recorded
Phase 3 NCT04548427 Comparator Sep 2020 → May 2021 dry eye syndrome Chong Kun Dang Pharmaceutical Completed No outcome recorded
Phase 4 NCT07397949 Comparator Mar → Dec 2026 expected cataract, dry eye syndrome Samsung Medical Center Not yet recruiting No outcome recorded
Phase 4 NCT07397936 Comparator Aug 2024 → May 2025 cataract, dry eye syndrome Samsung Medical Center Completed No outcome recorded
— NCT05456061 Comparator Aug 2018 → Aug 2019 dry eye syndrome, tear protein, anodal Yonsei University Completed No outcome recorded

News releases announcing trial results or a regulatory action · 3

DateIssuerRelease
2022-06-20 Santen Gmbh Regulatory Santen receives manufacturing and marketing approval for the dry-eye treatment DIQUAS LX Ophthalmic Solution 3% in Japan - Improved formulation to reduce administration frequency to three-times daily, thus easing patients' burden - santen.com ↗
June 20, 2022, Santen Pharmaceutical Co., Ltd. (head office in Osaka City; hereinafter “Santen”) today announced that it has obtained manufacturing and marketing approval for the dry eye treatment DIQUAS LX Ophthalmic Solution 3% (diquafosol sodium) in Japan.
2021-08-30 Santen Gmbh Regulatory Santen Files for Manufacturing and Marketing Approval of STN1008903 (diquafosol sodium) - Improved formulation to reduce the frequency of administration to ease patients' burden - santen.com ↗
Santen Pharmaceutical Co., Ltd. (Head office in Osaka; hereinafter “Santen”) announced today the filing for manufacturing and marketing approval of dry eye ophthalmic drug STN1008903 (diquafosol sodium) in Japan.
2018-05-02 RegeneRx Biopharmaceuticals, Inc. Results ReGenTree Presents Results of a Comparison Study of RGN-259 and Approved Prescription Drugs for Dry Eye Syndrome in a Mouse Model at ARVO regenerx.com ↗
Such improvements with RGN-259 treatment were comparable to or better than that seen with approved prescription treatments such as cyclosporine A (Restasis®), lifitegrast (Xiidra®), and diquafosol (Diquas®), which are marketed in the USA or Japan.

Evidence & citations 11 cited values

Every value below carries the sentence it was read from. 28 sources stand behind the page.

FieldValueCited text
Known as diquafosol “Diquafosol ophthalmic sodium solution, 1 drop 3 times a day” NCT06427031 ↗
22

NCT00403975 ↗

NCT02608489 ↗

NCT00679718 ↗

NCT06903884 ↗

NCT06146881 ↗

NCT05383612 ↗

NCT04668118 ↗

NCT06537349 ↗

NCT00831662 ↗

NCT07297316 ↗

Show 12 more sources

Known as Diquafosol ophthalmic sodium solution “Diquafosol ophthalmic sodium solution, 1 drop 3 times a day” NCT06427031 ↗
Known as Diquafosol Sodium “3% Diquafosol Sodium Eye Drops (DIQUAS ophthalmic solution 3%; Santen Pharmaceutical Co. Ltd, Osaka, Japan),3% diquafosol was administered six times a day for 12 weeks.” NCT05383612 ↗
5

“Effect of topical 3% diquafosol sodium on eyes with dry eye disease and meibomian gland dysfunction” PMID 29075094 ↗ Sep 2017

“Each patient was prescribed 3% (5 mL: 150 mg) diquafosol sodium eye drops” NCT06560580 ↗

NCT06852105 ↗

NCT04548427 ↗

NCT07097922 ↗

Known as diquafosol tetrasodium “the group 1 uses preservative free 3% diquafosol tetrasodium ophthalmic solution (Diquas-S; Santen Pharmaceutical Co, Ltd, Osaka, Japan) 6 times a day, the group 2 uses 3%...” NCT03640351 ↗
7

“Double-masked, placebo-controlled safety and efficacy trial of diquafosol tetrasodium (INS365) ophthalmic solution for the treatment of dry eye.” PMID 15502479 ↗ Nov 2004

“Diquafosol tetrasodium is a dinucleotide polyphosphate which a purinoceptor agonist” NCT05193331 ↗

“diquafosol tetrasodium (INS365) ophthalmic solution” NCT00680108 ↗

“diquafosol tetrasodium (INS365) ophthalmic solution” NCT00679718 ↗

“diquafosol tetrasodium (INS365) Ophthalmic Solution” NCT00403715 ↗

“diquafosol tetrasodium Ophthalmic Solution, 2%” NCT00600288 ↗

“diquafosol tetrasodium ophthalmic solution 2%” NCT01381731 ↗

Known as Diquas “the group 1 uses preservative free 3% diquafosol tetrasodium ophthalmic solution (Diquas-S; Santen Pharmaceutical Co, Ltd, Osaka, Japan) 6 times a day, the group 2 uses 3%...” NCT03640351 ↗
2

“3% Diquafosol Sodium Eye Drops (DIQUAS ophthalmic solution 3%; Santen Pharmaceutical Co. Ltd, Osaka, Japan),3% diquafosol was administered six times a day for 12 weeks.” NCT05383612 ↗

“Diquafosol (Diquas)” NCT02608489 ↗

Known as Diquas-S “the group 1 uses preservative free 3% diquafosol tetrasodium ophthalmic solution (Diquas-S; Santen Pharmaceutical Co, Ltd, Osaka, Japan) 6 times a day, the group 2 uses 3%...” NCT03640351 ↗
Known as DQS “Diquafosol ophthalmic solution (DQS) stimulates P2Y2 receptors on the ocular surface” NCT05193331 ↗
Known as INS365 “Double-masked, placebo-controlled safety and efficacy trial of diquafosol tetrasodium (INS365) ophthalmic solution for the treatment of dry eye.” PMID 15502479 ↗ Nov 2004
3

“diquafosol tetrasodium (INS365) Ophthalmic Solution” NCT00403715 ↗

“diquafosol tetrasodium (INS365) ophthalmic solution” NCT00680108 ↗

“diquafosol tetrasodium (INS365) ophthalmic solution” NCT00679718 ↗

Action Activate “a P2Y2 receptor agonist that stimulates fluid and mucin secretion on the ocular surface” PMID 15502479 ↗ Nov 2004
Modality Oligonucleotide (other) “Diquafosol is a dinucleotide derivative” NCT03640351 ↗
Route Topical “when applied topically in subjects with dry eye disease” NCT00403715 ↗