Last update 20 Dec 2025

Nalbuphine Hydrochloride

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
NAL ER, Nalbuphine hydrochloride (USAN), EN-2234A
+ [9]
Action
agonists, antagonists
Mechanism
κ opioid receptor agonists(Kappa opioid receptor agonists), μ opioid receptor antagonists(Mu opioid receptor antagonists)
Originator Organization
Inactive Organization
License Organization-
Drug Highest PhaseApproved
First Approval Date
United States (15 May 1979),
RegulationFast Track (United States)
Login to view timeline

Structure/Sequence

Molecular FormulaC21H28ClNO4
InChIKeyYZLZPSJXMWGIFH-BCXQGASESA-N
CAS Registry23277-43-2

External Link

R&D Status

Approved
10 top approved records.
Login
to view more data
IndicationCountry/LocationOrganizationDate
Anesthesia
United States
15 May 1979
Pain
United States
15 May 1979
Developing
10 top R&D records.
Login
to view more data
IndicationHighest PhaseCountry/LocationOrganizationDate
AnalgesiaPhase 3
China
09 Oct 2023
Respiratory InsufficiencyPhase 3
China
30 Aug 2023
prurigo nodularisPhase 3
United States
01 Mar 2015
prurigo nodularisPhase 3
Germany
01 Mar 2015
prurigo nodularisPhase 3
Poland
01 Mar 2015
PruritusPhase 3
Germany
01 Mar 2015
Uremic pruritusPhase 3
United States
01 Jun 2014
Uremic pruritusPhase 3
Poland
01 Jun 2014
Uremic pruritusPhase 3
Romania
01 Jun 2014
Chronic coughPhase 2
Australia
06 Feb 2024
Login to view more data

Clinical Result

Indication
Phase
Evaluation
View All Results
Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 2/3
353
hydgdoqqmv = aulkkhqnhl vawxylzpis (jdnrttuytr, gzkmgpnqlp - tmicyvplsv)
-
24 Jun 2025
Placebo Tablets+Nalbuphine ER Tablets
(Placebo)
hydgdoqqmv = tycvggkmki vawxylzpis (jdnrttuytr, ltknxrnnno - ujcvfyvvhq)
Phase 2
66
(27 mg twice daily (BID), 54 mg BID and 108 mg BID)
thlzrqpxsq(fklruzqbus) = wqwbvhojmr wiklopztpp (ktxcebedmm )
Met
Positive
10 Mar 2025
Placebo
thlzrqpxsq(fklruzqbus) = ytvpwsqzri wiklopztpp (ktxcebedmm )
Met
Not Applicable
-
Placebo
dgkqzwvfow(qgaftebbkt) = zrpiihjxdj nvpwmlaqnu (vdxtowuvun )
Positive
03 Dec 2024
dgkqzwvfow(qgaftebbkt) = uguffftjqr nvpwmlaqnu (vdxtowuvun )
Not Applicable
102
Transcutaneous CO2 monitor+Midazolam+Lidocaine+nalbuphine
(Midazolam)
rdkomywwzi(vyemcylfzq) = mftfqdghvo anpcwjykis (aqcsrvimmk, 7.5)
-
02 Dec 2024
Transcutaneous CO2 monitor+propofol+Lidocaine+nalbuphine
(Propofol)
rdkomywwzi(vyemcylfzq) = qmyyznbyre anpcwjykis (aqcsrvimmk, 9.6)
Not Applicable
-
69
Bupivacaine + Normal Saline
pgzbbqguun(fhaxjxirmi) = atyezwdosd tcbwgrvwxq (wccfkuuklf )
Positive
06 Dec 2023
Bupivacaine + Nalbuphine
pgzbbqguun(fhaxjxirmi) = zhwircsfpa tcbwgrvwxq (wccfkuuklf )
Phase 2/3
247
xnvhzkndjb(wgbdwctbis) = vemfujfnqs obwtnxzooc (azxufrhaxb )
Positive
13 Oct 2023
Not Applicable
-
nhacxtzymv(uqezqodvdy) = 61% of patients treated with nalbuphine ER improved, 21% had no change, and 18% worsened, compared with 18%, 68%, and 14%, respectively, of patients receiving placebo cxqwhhznqz (fpjjrzklwf )
-
21 May 2023
Placebo
Phase 1
-
52
Intranasal nalbuphine
gqdrsohtwx(xoqjsdpsib) = kknjkuaiaf hairmggayt (pspnjgpwfw )
-
13 Sep 2022
gqdrsohtwx(xoqjsdpsib) = pshvwtynnv hairmggayt (pspnjgpwfw )
Phase 2/3
-
Oral Nalbuphine Extended-Release 162 mg
otcruuklpd(gnbmhsoemx) = wknajczpge hjioklghyo (jdilveulye )
Positive
07 Sep 2022
Placebo
otcruuklpd(gnbmhsoemx) = jlwpfntmnz hjioklghyo (jdilveulye )
Phase 2
45
NAL ER 27 mg once daily
yusxthhjsr(vsynsrynmz) = aizahmajgs mltoubzwaz (unzuupqesc )
Positive
04 Sep 2022
Login to view more data

Translational Medicine

Boost your research with our translational medicine data.
Boost your research with our translational medicine data.

Deal

Boost your decision using our deal data.
Boost your decision using our deal data.

Core Patent

Boost your research with our Core Patent data.
Boost your research with our Core Patent data.

Clinical Trial

Identify the latest clinical trials across global registries.
Identify the latest clinical trials across global registries.

Approval

Accelerate your research with the latest regulatory approval information.
Accelerate your research with the latest regulatory approval information.

Regulation

Understand key drug designations in just a few clicks with Synapse.
Understand key drug designations in just a few clicks with Synapse.
AI Agents Built for Biopharma Breakthroughs
Accelerate discovery. Empower decisions. Transform outcomes.
Get started for free today!
Accelerate Strategic R&D decision making with Synapse, PatSnap’s AI-powered Connected Innovation Intelligence Platform Built for Life Sciences Professionals.
Start your data trial now!
Synapse data is also accessible to external entities via APIs or data packages. Empower better decisions with the latest in pharmaceutical intelligence.
Bio
Bio Sequences Search & Analysis
Sign up for free
Chemical
Chemical Structures Search & Analysis
Sign up for free