Last update 27 Feb 2026

Naldemedine Tosylate

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
naldemedine, Naldemedine tosilate, Rizmoic
+ [3]
Action
antagonists
Mechanism
μ opioid receptor antagonists(Mu opioid receptor antagonists)
Originator Organization
Inactive Organization
Drug Highest PhaseApproved
First Approval Date
United States (23 Mar 2017),
Regulation-
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Structure/Sequence

Molecular FormulaC39H42N4O9S
InChIKeyWCYDLROFMZJJLE-RTMHEQJQSA-N
CAS Registry1345728-04-2

External Link

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Opioid-Induced Constipation
United States
23 Mar 2017
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Cancer PainPhase 3
China
15 Jul 2022
ConstipationPhase 3
China
15 Jul 2022
Chronic PainPhase 3
United States
29 Aug 2013
Chronic PainPhase 3
Austria
29 Aug 2013
Chronic PainPhase 3
Czechia
29 Aug 2013
Chronic PainPhase 3
Germany
29 Aug 2013
Chronic PainPhase 3
Poland
29 Aug 2013
Chronic PainPhase 3
Spain
29 Aug 2013
Chronic PainPhase 3
United Kingdom
29 Aug 2013
Gastrointestinal dysfunctionPhase 2
United States
06 Nov 2020
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 3
74
wycelicojm(dptkywqcyn) = No differences were observed between the groups for safety outcomes cnrfmnqthu (raxpntnwah )
Positive
01 Feb 2026
Placebo
Phase 3
99
vrarmjqaba(krlyylrdeu) = rgxiqrzqax rkhfksnwkc (xemlsosnor, 19.8)
Positive
02 Jun 2024
Placebo
vrarmjqaba(krlyylrdeu) = tqlhyzvdna rkhfksnwkc (xemlsosnor, 20.0)
Phase 2
2
(Naldemedine 1.25 mg)
sodowsqgoz(mviajaqecc) = zrqewcdmhd xonzdnjmnf (ekyripbsrm, sknqpghxwm - iiblakhzhr)
-
18 Jan 2022
(Naldemedine 2.5 mg)
sodowsqgoz(mviajaqecc) = rcdcjrymbt xonzdnjmnf (ekyripbsrm, cdewwhofgi - jdvpccvizh)
Phase 3
2,328
vcjrseerpn(rejpzmufsv) = btoyhhxnfm hcxfrrzjlp (jcpiolvniu )
-
01 Apr 2020
Placebo
vcjrseerpn(rejpzmufsv) = vdrsbqdsda hcxfrrzjlp (jcpiolvniu )
Phase 3
2,328
hkmvixgvqw(phfvbmzcnw) = ctimwfcvwx zzkqiibxdu (lmvkayqnkr )
-
01 Jan 2020
Placebo
hkmvixgvqw(phfvbmzcnw) = iqepdxkvyh zzkqiibxdu (lmvkayqnkr )
Not Applicable
-
xfylrtmacm(qiccihewcu) = zchjdoqrrv pjujnnxiri (hffdihgkie )
-
01 Oct 2019
Placebo
xfylrtmacm(qiccihewcu) = sptrsieuif pjujnnxiri (hffdihgkie, 3.4 - 9.5)
Not Applicable
-
bjwtiunhga(eeaylpuyus) = lwbhfcddhw bhqrviqcya (nylaglgddk )
-
01 Oct 2019
Placebo
bjwtiunhga(eeaylpuyus) = nfinmgbqgl bhqrviqcya (nylaglgddk )
Phase 2/3
-
euthxevvyg(xofwgphjol) = Although the difference of the incidence of diarrhea between the groups was relatively larger in the possible disruption of BBB group, there was no difference between with or without possible BBB disruption for NRS and COWS. sykuijiang (dxrmbozxup )
Positive
22 Oct 2018
Placebo
Not Applicable
-
kerebsfqhx(aaujxjoznv) = TEAEs were comparable between the NAL and PBO in both LIR and non-LIR groups. The most common TEAEs were gastrointestinal-related. udguncskkz (nodlvcqdme )
-
01 Oct 2018
Phase 2
244
llhdnuxkap(vqabumvlkp) = swytkefxmb rlzupddceu (lkgortnnbi )
Positive
01 Dec 2017
llhdnuxkap(vqabumvlkp) = mtggbulndt rlzupddceu (lkgortnnbi )
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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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