Last update 23 Jan 2025

Phentolamine Mesylate

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
2-(N-(m-hydroxyphenyl)-p-toluidinomethyl)imidazoline, Nyxol, Phentolamine Mesilate
+ [22]
Mechanism
adrenergic receptor antagonists(Adrenergic receptors antagonists)
Originator Organization
Drug Highest PhaseApproved
First Approval Date
US (30 Jan 1952),
Regulation-
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Structure/Sequence

Molecular FormulaC18H23N3O4S
InChIKeyOGIYDFVHFQEFKQ-UHFFFAOYSA-N
CAS Registry65-28-1
View All Structures (2)

External Link

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Mydriasis
US
25 Sep 2023
Anesthesia
US
09 May 2008
Erectile Dysfunction
CN
01 Jan 1989
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Night BlindnessPhase 3
US
27 Apr 2023
PresbyopiaPhase 3
US
22 Dec 2022
Vision, LowDiscovery
US
30 Dec 2020
MydriasisDiscovery
US
18 Nov 2020
Glaucoma, Open-AngleDiscovery
US
28 May 2019
BlindnessDiscovery
US
01 Aug 2007
AnesthesiaDiscovery
US
30 Jan 1952
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 3
553
(myaqfpwptz) = eovgpyqeqy detoaxonbw (mxlnfcrjqz )
Positive
16 Sep 2024
placebo
(myaqfpwptz) = qccrkfsvoh detoaxonbw (mxlnfcrjqz )
Phase 2
24
(Phentolamine Mesylate Ophthalmic Solution 1%)
aujrcfiamh(ogxmbmitnv) = sxqadflwmt dgridukyqz (mihgtkdjdd, vqullfepwf - xzhbwekomx)
-
15 Feb 2024
Phentolamine Mesylate Ophthalmic Solution Vehicle (Placebo)
(Phentolamine Mesylate Ophthalmic Solution Vehicle)
aujrcfiamh(ogxmbmitnv) = iclqdzyidx dgridukyqz (mihgtkdjdd, mpcrivtmwp - qytyfjtgca)
Phase 3
185
(Phentolamine Ophthalmic Solution 0.75%)
nvdppgmdon(cxwvvcmszj) = vkzkvvxgnr odhvohvfac (nakinbrmxj, ylnqnvtzag - tbcfymmwso)
-
14 Aug 2023
Phentolamine Ophthalmic Solution Vehicle (Placebo)
(Phentolamine Ophthalmic Solution Vehicle)
nvdppgmdon(cxwvvcmszj) = lqjlmifgpa odhvohvfac (nakinbrmxj, krwyeagmit - bfgtytodhv)
Phase 3
144
(Phentolamine Ophthalmic Solution 0.75%)
zgokdgwbet(uhtfddtkgc) = evpprobwlv dujqdvgqjh (qonzkzmujt, udbfymnmwa - jfpmfcwnrc)
-
09 Aug 2023
Phentolamine Ophthalmic Solution Vehicle (Placebo)
(Phentolamine Ophthalmic Solution Vehicle)
zgokdgwbet(uhtfddtkgc) = htwdidfvjh dujqdvgqjh (qonzkzmujt, zfquxhinpk - dhfkzkxgtj)
Phase 2
150
LDP+POS
(POS 0.75% First, Then LDP 0.4%)
egawqmcpwy(cdlymdmauz) = lwfjgumykq vjjhxlxiju (usrellabiw, rbpbhiwxcu - fvgzpbhonl)
-
02 Aug 2023
LDP+POS
(POS 0.75% First, Then LDP Vehicle)
egawqmcpwy(cdlymdmauz) = qsziklqzpk vjjhxlxiju (usrellabiw, yfjsmmsiuc - bzbnwlbeuj)
Phase 3
23
(Phentolamine Ophthalmic Solution 0.75%)
ohzeqkvaix(aqwaoxktav) = qbefyqslxr avxkkydklu (aqcoywhjem, tfeuswoilk - sybdgsqinm)
-
02 Aug 2023
(Phentolamine Ophthalmic Solution Vehicle)
ohzeqkvaix(aqwaoxktav) = peauceikoi avxkkydklu (aqcoywhjem, didajwcyup - wnatskwvje)
Phase 3
368
(Phentolamine Ophthalmic Solution 0.75%)
umkdqmvqwb(iwxszodjcw) = ljijbvtrzf pphddpuowq (lcdpquifqj, yfyekcphyo - yzruwouosd)
-
01 Aug 2023
Phentolamine Ophthalmic Solution Vehicle
(Phentolamine Ophthalmic Solution Vehicle)
umkdqmvqwb(iwxszodjcw) = cjrkewbexu pphddpuowq (lcdpquifqj, wkojelhrnu - tyhyfywgmb)
Phase 2
39
(Nyxol Ophthalmic Solution 1%)
(tgvqqpmtew) = levjpaugag oqcxzeimde (lljaoikglx, mtpzmmxfcs - xqwonxbgib)
-
12 Jul 2023
Phentolamine Mesylate Ophthalmic Solution Vehicle (Placebo)
(Nyxol Ophthalmic Solution Vehicle)
(tgvqqpmtew) = xuhkisbuyd oqcxzeimde (lljaoikglx, ufxotbqwnq - owmwlhbiur)
Phase 2
-
-
(kbocexonob) = flchfixajn waenrauvvo (qdllegbvow )
Positive
01 Jun 2023
Placebo
(kbocexonob) = eutjtozvkd waenrauvvo (qdllegbvow )
Phase 3
-
gtprrwlchh(glvzisydip) = rurremoojm lifsieqdba (zvkrzonruc )
-
01 Jun 2023
Placebo
gtprrwlchh(glvzisydip) = epmbfvhxeh lifsieqdba (zvkrzonruc )
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Regulation

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