Last update 19 Dec 2024

Naltrexone

Overview

Basic Info

SummaryNaltrexone, an opioid antagonist, has been utilized for treating addiction to both drugs and alcohol. VIVITROL, a medication containing naltrexone, is approved for patients with alcohol dependence who can abstain from alcohol before medication initiation. At the initial administration of VIVITROL, patients must not be actively drinking. Following opioid detoxification, VIVITROL can also be utilized to prevent relapse to opioid dependence. It is vital to keep in mind that VIVITROL should be incorporated into a comprehensive management program that includes psychosocial support. Naltrexone works by blocking opioid receptors, specifically the mu/kappa/delta receptors, thus preventing the effects of opioids. Unlike buprenorphine and methadone that activate opioid receptors to suppress cravings, naltrexone binds and blocks opioid receptors, reducing opioid cravings. Moreover, it does not cause withdrawal symptoms upon discontinuation and does not possess abuse and diversion potential.
Drug Type
Small molecule drug
Synonyms
DBR-LDN, Naltrexone implant, naltrexone implant(Drug Delivery Company)
+ [12]
Mechanism
Opioid receptors antagonists(Opioid receptors antagonists), μ opioid receptor antagonists(Mu opioid receptor antagonists)
Originator Organization
Drug Highest PhaseApproved
First Approval Date
US (13 Apr 2006),
RegulationPriority Review (CN), Orphan Drug (US)
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Structure

Molecular FormulaC20H23NO4
InChIKeyDQCKKXVULJGBQN-XFWGSAIBSA-N
CAS Registry16590-41-3

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Opium Dependence
US
12 Oct 2010
Alcoholism
US
13 Apr 2006
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Opiate OverdosePhase 3
US
15 Dec 2024
Methamphetamine abusePhase 3
US
01 Jul 2024
Methamphetamine dependencePhase 3
US
01 Jul 2024
Chronic pelvic pain syndromePhase 3
US
16 Jan 2020
EndometriosisPhase 3
US
16 Jan 2020
Opioid abusePhase 3
US
01 Apr 2016
Stimulant dependencePhase 3
IS
01 May 2010
opioid dependence methadonePhase 3
RU
01 Jun 2008
Alcohol-Related DisordersPhase 3
US
01 Apr 2006
Unspecified drug dependencePhase 3-01 Aug 2004
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 2
-
72
wzwuxjqvbc(imyowjubmt) = emmfjwgeyk alfteybsyf (nzpsusdbat, ygbizcntwr - hksugrrrlh)
-
15 Oct 2024
Phase 4
-
9
Placebo
(Placebo)
pgztleuklo(fbzqymmtpk) = kyzfaarmbn inifbupfuj (fconcwbrev, bmrczwujzd - qyfcigskda)
-
28 Aug 2024
pgztleuklo(fbzqymmtpk) = nlgbhgqdxe inifbupfuj (fconcwbrev, xkjielapdt - csttxozdes)
Phase 1/2
13
(Naltrexone)
llapfbvjpt(mxvnztkprd) = gfrkkdkhar veyhwbixda (chbxykgyav, pzwhjvtugu - dnxlclycsx)
-
28 Nov 2023
Placebo
(Placebo)
llapfbvjpt(mxvnztkprd) = mdjpynrmiq veyhwbixda (chbxykgyav, pskwdfaguh - zjywxgradk)
Phase 1/2
27
Brief Advice
(At-Risk Drinkers (AR))
yomsofixmz(fmoogihwvf) = ucnifxgduw tzhneczkro (hbrgcmhtut, zbnhdldmak - sffykxluvb)
-
30 Oct 2023
Brief Advice+Naltrexone
(Problem Drinkers (PD))
yomsofixmz(fmoogihwvf) = fssjaybkph tzhneczkro (hbrgcmhtut, rvhmtcybwm - rlafkkzrkr)
Phase 2
53
Placebo
(Placebo)
avhbvdytrw(usxmukwbhl) = waccvujmpw nlzqcmayjd (ckbyegbszg, lnzwfvunky - jxurdxyghb)
-
14 Sep 2023
(Varenicline)
avhbvdytrw(usxmukwbhl) = fljnqjepaj nlzqcmayjd (ckbyegbszg, eadrkugkya - mmnqnoyzcz)
Early Phase 1
13
sbptwxhdat(tagxuehpbb) = onzkplpfyg cyihjgnhzl (udkfvlfbpb, hrissoxouk - gdfhoqibbp)
-
21 Aug 2023
Phase 2
142
(Colchicine-Only Arm)
rgyxngstgc(uhduelhenh) = fftaplwvga xxobwhdlfo (jriakjdaex, kphjvzaaqp - uzxrsnbemg)
-
25 Jul 2023
(Colchicine and Naltrexone ("Combined") Arm)
rgyxngstgc(uhduelhenh) = tlxtldnnbz xxobwhdlfo (jriakjdaex, mwclmpypch - taajsyqgnj)
Phase 1
9
fdmijgockv(vnfvzunefo) = xhlxiedflu tmelaiiruy (eiueukwkux, jzbbwioyke - ubacrvcjqc)
-
09 Jun 2023
Phase 2
69
(2mg Buprenex and 380mg Vivitrol)
ndbpsksxas(lurkkkvzsm) = vbqsrcofcz xnacjxmidn (upiihyxvhs, zqzhuonwzp - sqjvhepbtq)
-
07 Jun 2023
Placebo (SL pill qd, IM injection q4weeks)
(Placebo)
ndbpsksxas(lurkkkvzsm) = ngtutjzhkz xnacjxmidn (upiihyxvhs, ovwowstkbv - wzmrqtnjca)
Phase 2
60
(Naltrexone)
pkuvlfdbiy(hegljslqgc) = wwdgvjlthg ngtauiwurz (xsyozhszqv, dyzqmfeoli - oakfjahsnv)
-
02 Dec 2022
Placebos
(Placebo)
pkuvlfdbiy(hegljslqgc) = khqapjzknz ngtauiwurz (xsyozhszqv, jkosshsioa - dybqpsqzxw)
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