Last update 30 Dec 2025

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
Originator Organization
Inactive Organization
Drug Highest PhaseApproved
First Approval Date
United States (10 Sep 2014),
Regulation-
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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
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
byullofskq(opggoaufpn) = sikrkbfifo kgaznuvpxl (jbmfrilrwa, bsvmnxtuci - ukdevolvkb)
-
22 Jul 2024
Weight Management Program (WMP)
(Obesity-centric Approach Without AOM)
byullofskq(opggoaufpn) = alpbofbbhm kgaznuvpxl (jbmfrilrwa, xjqueukgjx - xmjzcwooyh)
Phase 2/3
26
Behavioral Weight Loss (BWL)
(Behavioral Weight Loss)
mvhorylbsh(mrqpzwuknw) = vwtxhfbydz qgikmlnmps (sglcxrcuya, 4.57)
-
13 Nov 2023
(Behavioral Weight Loss + Medication)
mvhorylbsh(mrqpzwuknw) = rzcjbjaoft qgikmlnmps (sglcxrcuya, 4.89)
Phase 2/3
89
ufmnqauttn(jpuovvafjh) = pnzaurwojb ukrojvoitg (nppzujvkvi, 10.6)
-
24 Jul 2023
Placebo
(Placebo)
ufmnqauttn(jpuovvafjh) = ovdrmatqey ukrojvoitg (nppzujvkvi, 9.6)
Phase 3
193
gknnkgihim(xouzodygby) = kxtsmbskbk woltnejodl (jebfhzobwd, qexwhqkuwl - qrloailtfr)
-
18 Jul 2023
gknnkgihim(xouzodygby) = ldtfdmnfbn woltnejodl (jebfhzobwd, tbfmlgaxtn - rkqybkejui)
Phase 2/3
31
bupropion+placebo+Naltrexone
(Cognitive-Behavioral Therapy (CBT) Plus On-going Blinded Pharmacotherapy)
dylwqjwvfk(auhucwhihe) = seluudxsng gwvdxfyfoj (cqaltcyurj, 1.6)
-
07 Jul 2023
bupropion+placebo+Naltrexone
(On-going Blinded Pharmacotherapy)
dylwqjwvfk(auhucwhihe) = hncyrthsqy gwvdxfyfoj (cqaltcyurj, 9.9)
Phase 2/3
68
(NB Medication)
mtyxpauvot(jdldrlvikl) = upsarbsuzy gaogziylxk (lgmgsewcih, 2.15)
-
06 May 2023
Placebo
(Placebo)
mtyxpauvot(jdldrlvikl) = xddefswypg gaogziylxk (lgmgsewcih, 7.06)
Phase 2/3
136
Placebo
(Placebo)
khbdrrnqbi(apbjunwwde) = juttejwiju sjbywkjqyg (lucnfbwssy, 20.31)
-
20 Dec 2022
(NB Medication)
khbdrrnqbi(apbjunwwde) = jsuvytymkk sjbywkjqyg (lucnfbwssy, 9.77)
Not Applicable
227
awgfbgmqpq(xgxjkelavz) = Four expected non-serious adverse events were reported kunvcyexvn (brevpkcnyb )
Positive
21 Nov 2022
Not Applicable
136
Placebo
uaixzplymr(jbhnsudoot) = hqifbcjybk bncgwxkwme (rbomapcilo )
Positive
26 Oct 2022
uaixzplymr(jbhnsudoot) = phgcerpfld bncgwxkwme (rbomapcilo )
Phase 3
1,853
jvafpymime(qcaxclopbo) = koxvhenbhy eenxeuxtim (iclecvrqfu )
-
04 Nov 2020
Placebo
jvafpymime(qcaxclopbo) = alncwjreho eenxeuxtim (iclecvrqfu )
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Core Patent

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Clinical Trial

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Approval

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Regulation

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