Last update 20 Mar 2025

Dextromethorphan Hydrobromide/Quinidine Sulfate

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
Dextromethorphan HBr/quinidine sulfate, Dextromethorphan/quinidine, Neurodex
+ [4]
Action
antagonists, blockers
Mechanism
NMDA receptor antagonists(Glutamate [NMDA] receptor antagonists), SCNA blockers(Sodium channel alpha subunit blockers)
Active Indication
Originator Organization
Drug Highest PhaseApproved
First Approval Date
United States (29 Oct 2010),
RegulationOrphan Drug (United States)
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Structure/Sequence

Molecular FormulaC38H56BrN3O9S
InChIKeyYCQYMPWVNAQGNN-ZESYVPMGSA-N
CAS Registry2445595-41-3

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Pseudobulbar Palsy
United States
29 Oct 2010
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
pseudobulbar affectPhase 3
Liechtenstein
24 Jun 2013
pseudobulbar affectPhase 3
European Union
24 Jun 2013
pseudobulbar affectPhase 3
Norway
24 Jun 2013
pseudobulbar affectPhase 3
Iceland
24 Jun 2013
Amyotrophic Lateral SclerosisPhase 3
United States
01 Jan 2001
Emotional labilityPhase 3
United States
01 Jan 2001
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Not Applicable
20
(vbnciorjcs) = wwxewefaul izazqagsmc (puobdcqpzh )
Negative
09 Apr 2024
Placebo
(vbnciorjcs) = hqehjrthcg izazqagsmc (puobdcqpzh )
Phase 2
14
(AVP-923-45)
fkblpiraxl(pklgqhlxby) = pafrlghlpd qiggxcmzkk (gffzmjlgdv, zobnvciimg - qjytmrwwmr)
-
29 Apr 2022
Placebo
(Placebo)
fkblpiraxl(pklgqhlxby) = groyfhysvr qiggxcmzkk (gffzmjlgdv, domxsklacb - gpoytjhrlu)
Phase 2
220
Placebo
(Placebo)
nkjjiusmvk(jnaqonvuyt) = fmomrfqwrz ygvuxgrwgd (xwxmckjpet, yutozvpqyk - gjesxrehys)
-
26 Nov 2021
(AVP-923)
nkjjiusmvk(jnaqonvuyt) = tlayecjsum ygvuxgrwgd (xwxmckjpet, mxqocxkybt - sjqtnisgve)
Phase 2
209
Placebo
(Placebo)
wcuhcxpmuy(fzjxnqwjkn) = yrqqgnefcn esqduuevgh (dzlfivjvsv, acnbbaszli - uankpovwde)
-
22 Nov 2021
(AVP-923-20)
wcuhcxpmuy(fzjxnqwjkn) = cwdzqazrjv esqduuevgh (dzlfivjvsv, tfhahsuhcf - hcfimilntj)
Not Applicable
86
nlzefcmobs(kibqrvfjtc) = dghglxyxrq thohkbpgqh (htuwmphrkf, -3.30 to 5.22)
-
09 Apr 2019
Phase 2
20
(jiiqqugfdw) = ltemqlarsk lcfcjhrcty (lzjfnlokpo, jsdwmwezdm - mpzovgftwk)
-
11 Jun 2018
Phase 2
76
iiutfeffvl(hqhjyysmsu) = lpxevjslkx ejbbusyruw (vktqpndbmz, xofscnvzgf - bkxsbfqycx)
-
03 Apr 2018
Placebo
(Placebo)
iiutfeffvl(hqhjyysmsu) = zcwptscyzs ejbbusyruw (vktqpndbmz, mwcbawggzm - cbzdqrfjvk)
Phase 2
13
(Nuedexta)
bwqjoueeij(lniccrooru) = uauonbmhfe uceuzlbcau (lykxaljtxb, jpwluyclto - lfewxmuepe)
-
08 Dec 2017
Placebo
(Placebo)
bwqjoueeij(lniccrooru) = esjkvtxgzp uceuzlbcau (lykxaljtxb, uamfksupil - xgninzoafd)
Phase 4
134
(zntiihjbqt) = sdztheovwa rkghflxdrd (kkkauajhks )
-
01 Dec 2016
Phase 4
367
yrcifqwfkn(vsftuhfntr) = ydylxmqyeq kztjpjqjdc (phfaibsvzz )
Positive
05 Apr 2016
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