Clinical trial • Phase III • Ophthalmology
timolol; brimonidine tartrate for Ocular hypertension | Glaucoma
Phase III trial of timolol; brimonidine tartrate for Ocular hypertension | Glaucoma.
Overview
- Trial Therapeutic Area
- Ophthalmology
- Trial Disease
- Ocular hypertension | Glaucoma
- Trial Stage
- Phase III
- Drug Modality
- Small molecule
Key dates
- Initial CTIS Submission Date
- 21-11-2025
- First CTIS Authorization Date
- 27-03-2026
Trial design
Randomised, combigan, 2 mg/ml + 5 mg/ml eye drops (timolol maleate + brimonidine tartrate); ocular administration (eye drops); dose unit: drops (gtt); maximum daily dose amount listed as 4 drops/day; further schedule details not specified in the record.-controlled Phase III trial in Greece.
- Randomised
- Yes
- Comparator
- Combigan, 2 mg/ml + 5 mg/ml eye drops (timolol maleate + brimonidine tartrate); ocular administration (eye drops); dose unit: drops (Gtt); maximum daily dose amount listed as 4 drops/day; further schedule details not specified in the record.
- Target Sample Size
- 180
- Trial Duration For Participant
- 89
Eligibility
Recruits 180 Participants must provide voluntary written informed consent before any trial procedures; those who are legally incapacitated or legally detained are explicitly excluded. No paediatric participants or assent procedures are included; no other vulnerable-population consent/assent arrangements are described..
- Pregnancy Exclusion
- pregnancy or breast-feeding or childbearing potential not protected by a highly effective contraceptive method of birth control
- Vulnerable Population
- Participants must provide voluntary written informed consent before any trial procedures; those who are legally incapacitated or legally detained are explicitly excluded. No paediatric participants or assent procedures are included; no other vulnerable-population consent/assent arrangements are described.
Inclusion criteria
- {"criterion_text":"- male or female, of any race and ≥18 years of age\n- willing to provide voluntarily written informed consent and data protection declaration before any clinical trial related procedure is performed\n- diagnosed of unilateral or bilateral open angle glaucoma (including open-angle glaucoma with pseudoexfoliation or pigment dispersion) or ocular hypertension\n- average IOP ≥ 22 mm Hg and ≤ 34 mm Hg measured at 08:00 am, 12:00 am and 04:00 pm pre-treatment at baseline in at least one eye\n- without treatment for open-angle glaucoma with IOP-lowering drugs, for at least 4 weeks\n- best-corrected visual acuity ≥20 of 100 (Snellen) corresponding to logMAR ≤ 0.7 in the study eye\n- females who participate in the study are either unable to gestate [i.e. post-menopausal (absence of menses for 12 months prior to drug administration), hysterectomy, bilateral oophorectomy, tubal ligation at least 6 months prior to drug administration] or at reproductive age; Females of reproductive age if sexually active, must be practicing an effective method of birth control throughout the study; reliable contraception methods are considered the following: • combined (estrogen and progestogen containing) hormonal contraception associated with inhibition of ovulation: oral, intravaginal or transdermal • progestogen-only hormonal contraception associated with inhibition of ovulation oral, implantable or injectable • intrauterine device (IUD) • intrauterine hormone-releasing system (IUS) • bilateral tubal occlusion • vasectomised partner • sexual abstinence\n- expected by the investigator that IOP will remain controlled under treatment without optic nerve damage or progression of visual field loss\n- patients with controlled arterial blood pressure according to the investigator’s opinion\n- able to understand the requirements of the clinical trial and to agree to return for the required follow-up visits"}
Exclusion criteria
- {"criterion_text":"- history of chronic or recurrent inflammatory eye disease (i.e. scleritis, uveitis, herpes keratitis), ocular trauma within the past 6 months or ocular inflammation within the past 3 months or infections\n- a history of, or current other severe ocular pathology (including severe dry eye) in either eye, that would preclude the administration of a beta-blocker\n- a history of depression, cerebral or coronary insufficiency, Raynaud's phenomenon, orthostatic hypotension or thromboangiitis obliterans\n- any uncontrolled systemic disease\n- current reactive airway disease including bronchial asthma or a history of bronchial asthma, or severe chronic obstructive pulmonary disease\n- severe acute allergic rhinitis\n- sinus bradycardia, sick sinus syndrome, sino-atrial block, second- or third-degree atrioventricular block not controlled with pace-maker\n- overt cardiac failure, cardiogenic shock\n- use at any time prior to baseline of intraocular corticosteroid implant\n- use within two weeks prior to baseline of: 1) topical ophthalmic corticosteroid, or 2) topical corticosteroid\n- use within one month prior to baseline of: 1) systemic corticosteroid, 2) monoamine oxidase (MAO) inhibitor therapy, 3) any antidepressant which affects noradrenergic transmission (e.g., tricylic antidepressants, mianserin) or 4) adrenergic-augmenting psychotropic drug (e.g., desipramine, amitriptyline)\n- severe central visual field loss (i.e., sensitivity ≤10 decibel [dB] in at least 2 of the 4 visual field test points closest to the point of fixation) in either eye\n- use within six months prior to baseline of intravitreal or subtenon injection of ophthalmic corticosteroid\n- underwent within twelve months prior to baseline: refractive surgery, filtering surgery or laser surgery for IOP reduction\n- pregnancy or breast-feeding or childbearing potential not protected by a highly effective contraceptive method of birth control\n- narrow-angle/angle-closure glaucoma\n- current participation or not yet completed period of at least 30 days since ending of another investigational device or drug trial(s)\n- unwillingness or inability to comply with the clinical trial procedures\n- severe illness or other condition that would make the patient, in the opinion of the Investigator, unsuitable for the study\n- unwillingness to consent to storage, saving and transmission of pseudonymous medical data for clinical trial reasons\n- who are legally incapacitated\n- who are legally detained in an official institute\n- treatment with local or systemic corticosteroids in non-stable doses in the last 30 days\n- compromised cornea or corneal abnormalities that will preclude accurate IOP-reading with an applanation tonometer\n- clinically significant or progressive retinal disease (e.g. retinal degeneration, diabetic retinopathy, retinal detachment) in either eye\n- intraocular surgery within the past 3 months\n- ocular laser surgery within the past 1 month\n- planned ocular surgery of any kind during study participation\n- extremely narrow or partially closed angle, cup/disk ratio >0.8\n- a history of, or current severe hepatic or renal impairment\n- treatment with oral carbonic anhydrase inhibitors (e.g., acetazolamide, methazolamide, topiramate, sultiame, zonisamide)\n- ocular treatment with any prostamide, prostaglandin, carbonic anhydrase inhibitor and pilocarpine\n- current use of topical, ocular, nonsteroidal anti-inflammatory drugs\n- any change in any systemic medication that could affect IOP within the last 30 days before the beginning of and during the study (e.g., clonidine, β-blockers etc.)\n- known hypersensitivity to beta-blockers\n- a history of allergic hypersensitivity or poor tolerance to any component of the eye drops used in this clinical trial"}
Endpoints
Primary endpoints
- {"endpoint_text":"- The primary efficacy endpoint will be the difference between Test and Comparator in mean diurnal IOP change from baseline to week 12 visit after adjusting for baseline measurement (week 0).","definition_or_measurement_approach":"Mean diurnal intraocular pressure (IOP) change from baseline to week 12 visit after adjusting for baseline measurement (week 0)."}
Secondary endpoints
- {"endpoint_text":"- Difference between Test and Comparator in mean diurnal IOP change from baseline to week 2 visit after adjusting for baseline measurement (week 0).\n- Difference between Test and Comparator in mean diurnal IOP change from baseline to week 6 visit after adjusting for baseline measurement (week 0).\n- Frequency of study drugs’ related adverse events.","definition_or_measurement_approach":"Mean diurnal IOP change at weeks 2 and 6 adjusted for baseline (week 0) for the first two endpoints; adverse event frequency assessed as frequency of study drug-related AEs for the safety endpoint."}
Recruitment
- Planned Sample Size
- 180
- Recruitment Window Months
- 24
- Consent Approach
- Voluntary written informed consent required prior to any trial procedures; participant must be ≥18 and able to consent. Subject information and informed consent form documents are present (including Greek-language versions). No assent procedures or paediatric consent described.
Geography
- Total Number Of Sites
- 13
- Total Number Of Participants
- 180
Greece
- Earliest CTIS Part Ii Submission Date
- 10-02-2026
- Latest Decision Or Authorization Date
- 27-03-2026
- Processing Time Days
- 45
- Number Of Sites
- 13
- Number Of Participants
- 180
Sites
- Site Name
- OPHTHALMIATREION ATHINON
- Department Name
- 1st Ophthalmology Clinic
- Contact Person Name
- Ioannis Chalkiadakis
- Contact Person Email
- ihalkia@gmail.com
- Site Name
- 401 General Military Hospital Of Athens
- Department Name
- Glaucoma Unit
- Contact Person Name
- Paraskevi Xanthopoulou
- Contact Person Email
- vivixanthopoulou@hotmail.com
- Site Name
- General Hospital of Katerini
- Department Name
- Opthalmology Department
- Contact Person Name
- Georgia Limpanovnou
- Contact Person Email
- Georgialimp@gmail.com
- Site Name
- Iaso Thessalia General Clinic Private Obstetrics S.A.
- Department Name
- 3rd Opthalmology Clinic
- Contact Person Name
- Dimitrios Koufakis
- Contact Person Email
- dkoufakis@icloud.com
- Site Name
- General Hospital Of Athens G Gennimatas
- Department Name
- 1st University Ophthalmology Clinic
- Contact Person Name
- Stylianos Kandarakis
- Contact Person Email
- eyeclinic.uoa@gmail.com
- Site Name
- General University Hospital Of Patras
- Department Name
- Ophthalmology Clinic
- Contact Person Name
- Constantinos Georgakopoulos
- Contact Person Email
- cgeorg@upatras.gr
- Site Name
- Ippokratio General Hospital Of Thessaloniki
- Department Name
- Ophthalmology Clinic
- Contact Person Name
- Mikes Glynatsis
- Contact Person Email
- mnglynatsis@gmail.com
- Site Name
- General Hospital Of Karditsa
- Department Name
- Ophthalmology Clinic
- Contact Person Name
- Paraskevi Markousi
- Contact Person Email
- pmarkousi@yahoo.gr
- Site Name
- University General Hospital Of Thessaloniki Ahepa
- Department Name
- 1st University Department of Ophthalmology
- Contact Person Name
- Anastasios Georgios Konstas
- Contact Person Email
- agkonstas@gmail.com
- Site Name
- General University Hospital Of Larissa
- Department Name
- Ophthalmology Clinic
- Contact Person Name
- Sofia Androudi
- Contact Person Email
- androudi@otenet.gr
- Site Name
- University General Hospital Of Alexandroupoli
- Department Name
- University Ophthalmology Clinic
- Contact Person Name
- Georgios Lampiris
- Contact Person Email
- labiris@usa.net
- Site Name
- University General Hospital Of Ioannina
- Department Name
- Ophthalmology Clinic
- Contact Person Name
- Andreas Katsanos
- Contact Person Email
- katsanos@uoi.gr
- Site Name
- General Hospital Of Volos Achilopouleio
- Department Name
- Ophthalmology Clinic
- Contact Person Name
- Ourania Tounakaki
- Contact Person Email
- raniatounakaki@hotmail.gr
Sponsor
Primary sponsor
- Full Name
- OmniVision GmbH
- Organisation Type
- Pharmaceutical company
- Country Of Registered Address
- Germany
Contract research organisations
- Name
- Becro M.E.P.E.
- Responsibilities
- Listed sponsor duties include Clinical Research Organisation (codes provided in record)
Third parties
- {"country":"Greece","full_name":"Becro M.E.P.E.","duties_or_roles":"Sponsor duties codes present in record; includes explicit role: Clinical Research Organisation (as provided in sponsorDuties).","organisation_type":"Pharmaceutical company"}
Investigational products
- Investigational Product Name
- Brimonidine-Timolol
- Active Substance
- timolol; brimonidine tartrate
- Modality
- Small molecule
- Routes Of Administration
- OCULAR
- Route
- OCULAR
- Authorisation Status
- prodAuthStatus: 1 (as listed in productDictionaryInfo)
- Frequency
- Maximum daily dose amount listed as 4 drops/day
- Maximum Dose
- 4 drops/day (maxTotalDoseAmount: 356 drops over maxTreatmentPeriod 89 days as listed)
- Investigational Product Name
- Combigan, 2 mg/ml + 5 mg/ml, krople do oczu, roztwór
- Active Substance
- timolol maleate; brimonidine tartrate
- Modality
- Small molecule
- Routes Of Administration
- OCULAR
- Route
- OCULAR
- Authorisation Status
- prodAuthStatus: 2; marketingAuthNumber: 12076; authorisationCountryCode: PL (as listed in productDictionaryInfo)
- Frequency
- Maximum daily dose amount listed as 4 drops/day
- Maximum Dose
- 4 drops/day (maxTotalDoseAmount: 356 drops over maxTreatmentPeriod 89 days as listed)
- Combination Treatment
- Yes
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