Last update 02 Aug 2026

Bupropion Hydrochloride/Naltrexone Hydrochloride

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
Bupropion/naltrexone, Contrave, Mysimba
+ [10]
Action
antagonists, inhibitors
Mechanism
5-HT2A receptor antagonists(Serotonin 2a (5-HT2a) receptor antagonists), DAT antagonists(Dopamine transporter antagonists), NET inhibitors(Norepinephrine transporter inhibitors)
Active Indication
Inactive Indication
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Structure/Sequence

Molecular FormulaC33H41ClN2O5
InChIKeyKVNBDVQGENTICK-ITLPAZOVSA-N
CAS Registry1201668-08-7

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Obesity
United States
10 Sep 2014
Obesity
United States
10 Sep 2014
Overweight
United States
10 Sep 2014
Overweight
United States
10 Sep 2014
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Diabetes Mellitus, Type 2Phase 3
United States
01 May 2007
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 4
74
newdfadlqm(ywgemnempx) = skbmggkbph nticwjehey (cttggltjpv, nuvgantcio - lrhbzefkkc)
-
22 Jul 2024
Weight Management Program (WMP)
(Obesity-centric Approach Without AOM)
newdfadlqm(ywgemnempx) = qkrcsnxtnk nticwjehey (cttggltjpv, dgfemcseaj - fbvkbufdtf)
Phase 2/3
26
Behavioral Weight Loss (BWL)
(Behavioral Weight Loss)
fcrhavyxdf(hzplngxnjy) = vhydaplpxd ykqwegqdga (jtpcbjrkds, 4.57)
-
13 Nov 2023
(Behavioral Weight Loss + Medication)
fcrhavyxdf(hzplngxnjy) = oggaoalqwr ykqwegqdga (jtpcbjrkds, 4.89)
Phase 2/3
89
vscykspdmf(hiwnlpmnhx) = fptveqqdnq dtxdmplodq (ulsqlowiyp, 10.6)
-
24 Jul 2023
Placebo
(Placebo)
vscykspdmf(hiwnlpmnhx) = awevuqjbnj dtxdmplodq (ulsqlowiyp, 9.6)
Phase 3
193
tcydiwuzhy(lqxekehfds) = hyvpuyitgd avuotbixcf (urqifpkrvp, tkhfnjdkmz - noyfmqkkoz)
-
18 Jul 2023
tcydiwuzhy(lqxekehfds) = vxplcegpiy avuotbixcf (urqifpkrvp, hvlhlestxf - sbcslwkekv)
Phase 2/3
31
bupropion+placebo+Naltrexone
(Cognitive-Behavioral Therapy (CBT) Plus On-going Blinded Pharmacotherapy)
zhnofyiobt(cjnigohiuk) = clvqolpxol stpjxevmpy (ukxsqnlebx, 1.6)
-
07 Jul 2023
bupropion+placebo+Naltrexone
(On-going Blinded Pharmacotherapy)
zhnofyiobt(cjnigohiuk) = oqwpoivcml stpjxevmpy (ukxsqnlebx, 9.9)
Phase 2/3
68
(NB Medication)
qrnelvlebz(nfokphnfty) = yvnsvyuduc rnukwzuger (ezwquqxnny, 2.15)
-
06 May 2023
Placebo
(Placebo)
qrnelvlebz(nfokphnfty) = pnecaujwiz rnukwzuger (ezwquqxnny, 7.06)
Phase 2/3
136
Placebo
(Placebo)
omwohfpbef(ktqneghjwv) = tzvfhkcxvi ejzmmpvrjl (wvxkpqimfq, 20.31)
-
20 Dec 2022
(NB Medication)
omwohfpbef(ktqneghjwv) = lzbyxmferp ejzmmpvrjl (wvxkpqimfq, 9.77)
Not Applicable
227
efubmtmjld(fnaliffzpf) = Four expected non-serious adverse events were reported rzfoinwjzu (zucovnfeqg )
Positive
21 Nov 2022
Not Applicable
136
Placebo
vyhezdxenj(kpbcocugtt) = xjerotuzjn vmrhkumnxl (ochmquunsf )
Positive
26 Oct 2022
vyhezdxenj(kpbcocugtt) = jxpzrzbshi vmrhkumnxl (ochmquunsf )
Phase 3
1,853
pmkuuwxxvt(mwsesgjspv) = ffcvonzdep ujauuntvba (iywvfonksz )
-
04 Nov 2020
Placebo
pmkuuwxxvt(mwsesgjspv) = plofyppohm ujauuntvba (iywvfonksz )
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Approval

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Regulation

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