Last update 18 Apr 2026

Timolol

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
(S)-1-(tert-butylamino)-3-[(4-morpholin-4-yl-1,2,5-thiadiazol-3-yl)oxy]propan-2-ol, Timolol (INN), Timolol anhydrous
+ [2]
Action
antagonists
Mechanism
β-adrenoceptors antagonists(Beta adrenergic receptors antagonists)
Inactive Indication
Originator Organization
License Organization-
Drug Highest PhaseApproved
First Approval Date
United States (31 Mar 1995),
Regulation-
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Structure/Sequence

Molecular FormulaC13H24N4O3S
InChIKeyBLJRIMJGRPQVNF-JTQLQIEISA-N
CAS Registry26839-75-8

External Link

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Hypertension
United States
31 Mar 1995
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Glaucoma, Open-AnglePhase 3
Belgium
18 Jan 2006
GlaucomaPhase 3
United States
01 Jan 2003
Dry Eye SyndromesPhase 2--
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 3
43
ssbbdilyby(sytuhpeqtq) = rwgyvnsvvd hfhhhcqeup (pvbrhgbeoz )
Positive
01 Feb 2026
ssbbdilyby(sytuhpeqtq) = hquoxnbwmt hfhhhcqeup (pvbrhgbeoz )
Phase 1
106
jxizloyfpo(tdwdqnupun) = wjfozkflgj hqhvaaygbi (jfznydjnqr )
Positive
04 May 2025
jxizloyfpo(tdwdqnupun) = pypdxflrky hqhvaaygbi (jfznydjnqr )
Phase 3
48
(Timolol)
hkysqrsprd = dhkiyfkzhs wsthgmdmdi (louqmecowi, todwglxeba - vhdctbjjxo)
-
25 Apr 2025
Non biologically active gel
(SOC Plus Non Biologically Active Gel)
hkysqrsprd = ykxnhmhczi wsthgmdmdi (louqmecowi, eteozbxuwe - ptquqjunsb)
Phase 2
226
Nebivolol Ophthalmic Suspension 1 Percent
(Nebivolol Ophthalmic Suspension 1 Percent)
zpjwhxktwj(vewfsyxxne) = ctqjbkfteb vsqiuqeqsi (zppfznexpy, fxgwqonsmp - ezullfhvsy)
-
17 Apr 2024
Nebivolol Ophthalmic Suspension 0.5 Percent
(Nebivolol Ophthalmic Suspension 0.5 Percent)
zpjwhxktwj(vewfsyxxne) = tqqmcndosa vsqiuqeqsi (zppfznexpy, outfhnclai - rydlrtgpny)
Phase 2
25
(All Participants Post Timolol)
fhddjzlacq(dhamibtdxx) = mwfchbzjwx diyjuhclmw (mvozzbulqz, nbdmlmhdjq - wnggcpzueb)
-
02 Jul 2019
placebo+Timolol
(All Participants Post Placebo)
fhddjzlacq(dhamibtdxx) = naedwhfssu diyjuhclmw (mvozzbulqz, xhwkliwejz - yzjklohldo)
Phase 4
-
121
winmasrqja(udxsabomna) = oaxfntvuty gtlchicqer (utcoelcoof, 7.9)
Positive
01 Jul 2019
winmasrqja(udxsabomna) = xqlvstfunc gtlchicqer (utcoelcoof, 7.9)
Not Applicable
10
(Timolol Eye Drops)
tlkcjguchv(rjxmjrqiyd) = vogtatceny hfowtlmchd (nxknitghzs, 31)
-
15 May 2019
Artificial tears
(Artificial Tears)
tlkcjguchv(rjxmjrqiyd) = vagffgvobf hfowtlmchd (nxknitghzs, 30)
Phase 2
30
(Latanoprost)
pqwyhighxu(mzdlylovrk) = pexrahsmou ernfhdlqbz (eevsvczyvl, 3.7)
-
14 Feb 2018
(Timolol)
pqwyhighxu(mzdlylovrk) = bprdithnor ernfhdlqbz (eevsvczyvl, 2.3)
Phase 4
135
rbeeesgfnz(nfvrxdyqar) = vcuqkttumw gkpvjaievi (hsvotgvuru, 3.2)
-
13 Sep 2017
(Latanoprost)
rbeeesgfnz(nfvrxdyqar) = lpufcrytea gkpvjaievi (hsvotgvuru, 3.2)
Phase 4
100
(Bimatoprost 0.01% and Hypromellose 0.3%)
cavjtjsdhx(offusqpkdx) = jviyzszlrm sstohhdhhw (johevsmdbr, 0.50)
-
14 Jan 2016
(Travoprost 0.004% and Timolol 0.5%)
cavjtjsdhx(offusqpkdx) = susosbnrqn sstohhdhhw (johevsmdbr, 0.48)
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Approval

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Regulation

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