Drugs / Dorzolamide
last change Jun 2026 re-read 9 days ago

Dorzolamide

Small molecule targets CA2 via inhibition

Developed for
open-angle glaucoma · glaucoma · ocular hypertension · congenital glaucoma · diabetic retinopathy · exfoliation syndrome · eye disorder · retinal degeneration
+1 more · diabetic macular edema
Investigated by
Merck Sharp & Dohme LLC · Pharmaceutical Research Network · Alcon Research · Advanced Glaucoma Specialists · Afyon Kocatepe University Hospital · Alfred E. Tiefenbacher (GmbH & Co. KG)
+30 more · Allergan · Azienda Socio Sanitaria Territoriale degli Spedali Civili di Brescia · Canadian Glaucoma Clinical Research Council · Chong Kun Dang Pharmaceutical · Credit Valley EyeCare · Glostrup University Hospital, Copenhagen · Guardion Health Sciences, Inc. · Innovative Medical · Jadran Galenski laboratorij d.d. · Jason Hsu, MD · Kukje Pharma · Laboratorios Poen · Laboratorios Sophia S.A de C.V. · Maisonneuve-Rosemont Hospital · Medical University of Vienna · Merck Frosst Canada Ltd. · National Eye Institute (NEI) · Pfizer · Tecnoquimicas · Universitaire Ziekenhuizen KU Leuven · University Health Network, Toronto · University of Aarhus · University of California, Los Angeles · University of Florida · University of Illinois at Chicago · University of Miami · University of Michigan · University of Nebraska · University of the Incarnate Word · Viatris Inc.

Regulatory milestones approvals, filings & regulatory actions · 2 recorded

MilestoneJurisdictionBrandIndicationDateSentence it was read from
Label expansion US (FDA) TRUSOPT — 2004-04-15 fda.gov ↗
Approved US (FDA) TRUSOPT — 1994-12-09 fda.gov ↗

Trials 37

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 12 trials
Phase 1 NCT02852057 Jan 2018 → Aug 2021 glaucoma University of Florida Completed No outcome recorded
Phase 1 NCT02967614 Dec 2016 → Dec 2017 glaucoma, ocular hypertension Kukje Pharma Completed No outcome recorded
Phase 24 trials · 1 met primary
Phase 2 NCT04448223 Jun 2020 → Dec 2022 ocular hypertension, open-angle glaucoma Chong Kun Dang Pharmaceutical Unknown No outcome recorded
Phase 2 NCT01527682 Jul 2009 → Nov 2016 congenital glaucoma Azienda Socio Sanitaria Territoriale degli Spedali Civili di Brescia Completed No outcome recorded
Phase 2 NCT00832377 Apr 2009 → Mar 2010 glaucoma Merck Sharp & Dohme LLC Completed Met primary
Phase 2 NCT00572936 Mar 2006 → Nov 2009 glaucoma University of Nebraska Completed No outcome recorded
Phase 37 trials · 1 met primary
Phase 3 NCT05973305 Apr 2017 open-angle glaucoma Jadran Galenski laboratorij d.d. Completed No outcome recorded
Phase 3 NCT02390284 Sep 2015 → Oct 2024 glaucoma University of Miami Terminated No outcome recorded
Phase 3 NCT01284166 Jul 2013 → May 2014 glaucoma, ocular hypertension Allergan Withdrawn No outcome recorded Stop: Enrollment
Phase 3 NCT00878917 Apr 2009 → Feb 2010 ocular hypertension, open-angle glaucoma Alfred E. Tiefenbacher (GmbH & Co. KG) Completed Met primary
Phase 3 NCT00576342 Dec 2007 → Jan 2008 glaucoma, ocular hypertension Alcon Research Completed No outcome recorded
Phase 3 NCT00546286 May 2006 → Aug 2007 ocular hypertension, open-angle glaucoma Merck Sharp & Dohme LLC Completed No outcome recorded
Phase 3 NCT00108017 Apr 2005 → Jul 2006 glaucoma, ocular hypertension Merck Sharp & Dohme LLC Completed No outcome recorded
Phase 418 trials · 1 missed
Phase 4 NCT07690397 Jun 2026 → Jul 2027 expected ocular hypertension, open-angle glaucoma Tecnoquimicas Active not recruiting No outcome recorded
Phase 4 NCT05857267 Mar 2023 → Nov 2024 ocular hypertension, open-angle glaucoma Laboratorios Poen Completed No outcome recorded
Phase 4 NCT04702789 Oct 2021 → Nov 2023 ocular hypertension, open-angle glaucoma Laboratorios Sophia S.A de C.V. Terminated No outcome recorded
Phase 4 NCT04676126 May 2021 → May 2022 open-angle glaucoma University of the Incarnate Word Withdrawn No outcome recorded Stop: Enrollment
Phase 4 NCT02053298 Jan 2014 → Dec 2015 open-angle glaucoma Universitaire Ziekenhuizen KU Leuven Completed No outcome recorded
Phase 4 NCT03966560 Jan 2014 → Jan 2015 open-angle glaucoma Afyon Kocatepe University Hospital Completed No outcome recorded
Phase 4 NCT01535768 Feb 2012 → Jun 2018 glaucoma Credit Valley EyeCare Unknown No outcome recorded
Phase 4 NCT01340014 Sep 2011 → Oct 2012 ocular hypertension, open-angle glaucoma Alcon Research Completed No outcome recorded
Phase 4 NCT00906087 Aug 2009 → Jul 2012 glaucoma University of Michigan Completed No outcome recorded
Phase 4 NCT00957190 May 2009 → Sep 2011 eye disorder Maisonneuve-Rosemont Hospital Completed No outcome recorded
Phase not applicable6 trials
— NCT02522039 May → Nov 2014 glaucoma Glostrup University Hospital, Copenhagen Completed No outcome recorded
— NCT01843920 Jun 2011 → Apr 2013 — Jason Hsu, MD Completed No outcome recorded
— NCT00275756 Sep 2008 → Nov 2014 glaucoma Medical University of Vienna Withdrawn No outcome recorded
— NCT00619034 Sep 2007 → Dec 2010 diabetic retinopathy University of Aarhus Completed No outcome recorded
— NCT00440336 Oct 2006 → ? open-angle glaucoma Advanced Glaucoma Specialists Unknown No outcome recorded
— NCT00152932 May 2005 → Jun 2006 glaucoma University Health Network, Toronto Unknown No outcome recorded
Comparator or background therapy21 trials
Phase 2 NCT01887223 Comparator May 2010 → Jun 2011 open-angle glaucoma University of Sao Paulo General Hospital Completed No outcome recorded
Phase 2 NCT01062971 Comparator Feb 2006 → Aug 2007 ocular hypertension, open-angle glaucoma Laboratorios Sophia S.A de C.V. Completed No outcome recorded
Phase 2/3 NCT05083689 Comparator Oct 2021 → Mar 2022 diabetic macular edema Shahid Beheshti University of Medical Sciences Unknown No outcome recorded
Phase 2/3 NCT00991822 Comparator May 1999 → Dec 2001 open-angle glaucoma Medical University of Vienna Completed No outcome recorded
Phase 3 NCT00449956 Comparator Mar 2007 → Feb 2008 glaucoma Merck Sharp & Dohme LLC Completed No outcome recorded

News releases announcing trial results or a regulatory action · 1

DateIssuerRelease
2019-08-01 Alembic Pharmaceuticals Ltd. Regulatory 13th August, 2019, Vadodara, India alembicpharmaceuticals.com ↗
Alembic Pharmaceuticals Limited today announced that the Company has received approval from the US Food & Drug Administration (USFDA) for its Abbreviated New Drug Application (ANDA) for Dorzolamide Hydrochloride Ophthalmic Solution USP, 2%.

Evidence & citations 16 cited values

Every value below carries the sentence it was read from. 60 sources stand behind the page.

FieldValueCited text
Known as Dorzolamide “a topical carbonic anhydrase inhibitor eye drop. (brinzolamide 1% 1 gtts in study eye TID OR dorzolamide 2% 1 gtts in study eye TID)” NCT01535768 ↗
55

“The Fixed Combination Of Latanoprost And Timolol (Xalacom) With The Fixed Combination Of Dorzolamide And Timolol (Cosopt)” NCT00140049 ↗

“Trade name: Dorzol Active ingredient: dorzolamide Pharmaceutical form: eye drops Dosage: 20 mg/mL” NCT05973305 ↗

“Cosopt (dorzolamide 20 mg/ml and timolol maleate 5 mg/ml eye drops, solution)” NCT00471068 ↗

“First Step: Alphagan (Brimonidine) Second Step: Dorzolamide (Trusopt)” NCT00440336 ↗

“Latanoprost (25ug/ml), Dorzolamide (20mg/ml), twice a day” NCT04448223 ↗

“dorzolamide hydrochloride and timolol maleate” NCT06883123 ↗

“Dorzolamide” NCT02967614 ↗

NCT00815373 ↗

NCT00869141 ↗

NCT01527682 ↗

Show 45 more sources

Known as Cosopt pf ChEMBL registry synonym — accepted as the source's own label CHEMBL218490 ↗
Known as Dorzant ChEMBL registry synonym — accepted as the source's own label CHEMBL218490 ↗
Known as Dorzolamida ChEMBL registry synonym — accepted as the source's own label CHEMBL218490 ↗
Known as Dorzolamide (as hydrochloride) ChEMBL registry synonym — accepted as the source's own label CHEMBL218490 ↗
Known as dorzolamide HCl “Combination treatment of dorzolamide HCl (2%)/ timolol maleate (0.5%) BID for six weeks in patients with open-angle glaucoma or ocular hypertension.” NCT00546286 ↗
Known as Dorzolamide Hydrochloride “Dorzolamide (as Dorzolamide Hydrochloride) 20 Mg/mL and Timolol (as Timolol Maleate) 5 Mg/mL Eye Drops” NCT03966560 ↗
2

“Dorzolamide hydrochloride 1%/Timolol maleate 0.5% ophthalmic solution” NCT02325518 ↗

“Cosopt (dorzolamide hydrochloride and timolol maleate)” NCT00440336 ↗

Known as Dorzolamide hydrochloride component of cosopt ChEMBL registry synonym — accepted as the source's own label CHEMBL218490 ↗
Known as Dorzolamide, trans-(-)- ChEMBL registry synonym — accepted as the source's own label CHEMBL218490 ↗
Known as Dorzolamide/timolol Maleate Fixed Combination ClinicalTrials.gov intervention name — accepted as the source's own label NCT01471158 ↗
Known as MK-507 ChEMBL registry synonym — accepted as the source's own label CHEMBL218490 ↗
Known as Trusopt “The topical carbonic anhydrase inhibitor, Dorzolamide (Trusopt\*), has recently been approved for chronic use in the treatment of glaucoma.” NCT00815373 ↗
4

“reference product (Trusopt®) or test product (dorzolamide 2% eye drops, Rompharm Company SRL)” PMID 35909461 ↗ Jul 2022

“First Step: Alphagan (Brimonidine) Second Step: Dorzolamide (Trusopt)” NCT00440336 ↗

“Dorzolamide (2%, carbonic anhydrase inhibitor, Trusopt®” NCT00275756 ↗

“Trusopt” NCT01887223 ↗

Action Inhibit “carbonic anhydrase inhibitor which reduces intraocular pressure (IOP) by decreasing the production of aqueous humour” NCT00152932 ↗
1

“Carbonic anhydrase II inhibitor” CHEMBL218490 ↗

Modality Small molecule — CHEMBL218490 ↗
Route Topical “topically applied Dorzolamide” NCT00152932 ↗
Target CA2 “Carbonic anhydrase II inhibitor” CHEMBL218490 ↗