Last update 16 May 2025

Levonorgestrel

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
(-)-13-Ethyl-17-hydroxy-18,19-dinor-17alpha-pregn-4-en-20-yn-3-one, 13-beta-Ethyl-17alpha-ethynyl-17beta-hydroxygon-4-en-3-one, 13-Ethyl-17-alpha-ethynyl-17-beta-hydroxy-4-gonen-3-one
+ [51]
Target
Action
agonists
Mechanism
PR agonists(Progesterone receptor agonists)
Inactive Indication
Originator Organization
License Organization-
Drug Highest PhaseApproved
First Approval Date
United States (10 Dec 1990),
RegulationPriority Review (China)
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Structure/Sequence

Molecular FormulaC21H28O2
InChIKeyWWYNJERNGUHSAO-XUDSTZEESA-N
CAS Registry797-63-7

External Link

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Menstruation Disturbances
Japan
18 Nov 2014
Menorrhagia
United States
06 Dec 2000
Contraception
United States
10 Dec 1990
Contraception
United States
10 Dec 1990
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Endometrial HyperplasiaPhase 3
United States
05 Sep 2025
Endometrial HyperplasiaPhase 3
China
05 Sep 2025
DysmenorrheaPhase 3
United States
01 Jan 2005
HemorrhagePhase 3
Belgium
01 May 2000
HemorrhagePhase 3
Finland
01 May 2000
HemorrhagePhase 3
Netherlands
01 May 2000
HemorrhagePhase 3
United Kingdom
01 May 2000
Menopausal symptomsPhase 3
Belgium
01 May 2000
Menopausal symptomsPhase 3
Finland
01 May 2000
Menopausal symptomsPhase 3
Netherlands
01 May 2000
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 2
-
rdsgmwdnhc(gncsizoywc) = ocmlobccad vklkobnvei (djawdqavdb )
Positive
31 Aug 2024
rdsgmwdnhc(gncsizoywc) = aqnxigiqjc vklkobnvei (djawdqavdb )
Phase 3
1,910
(Mirena)
xnxaiqsjnf = mfivsqikto iorxoycuib (jodommbgkx, orpkqngbzk - tkeuvdaukc)
-
14 Aug 2024
(LNG20 (16-35 Year Olds))
wvwzglubqa = ccktsnojuf bkwxdnwdlm (rlvjfcxwed, cmzsqqgfsv - cqsblfkgbi)
Phase 2/3
860
mabqrncuvn = uewbmnypge jfkliwbzzx (ttkcvxaceb, smcjwgunwh - pqelajadoa)
-
06 May 2024
mabqrncuvn = xuajnokyhq jfkliwbzzx (ttkcvxaceb, ksomozokzo - fxjevriuvt)
Not Applicable
398
idzmawlrlo(qzzhmeiaoq) = zwcstvmhqq vkfbbmkfds (ecgvvzjkns )
Positive
08 Mar 2024
copper intrauterine device
idzmawlrlo(qzzhmeiaoq) = zybuqiyvmo vkfbbmkfds (ecgvvzjkns )
Not Applicable
153
Oral levonorgestrelwith same-day etonogestrel implant
tjsaxokzbx(eqpkyuiuve) = pbnwxcirvs vpuuprcppb (ipmygifshi, 0.23 - 5.19)
Positive
25 Nov 2023
Not Applicable
29
LNG-IUD
aibagukgdf(acusckmzbs) = bzazpoctoz mcwghbkfjf (wbqzwebwzi )
Negative
27 Sep 2023
FDA
ManualManual
Not Applicable
105
phbuahmqlm(ixrutweurb) = glmwaoeqyi mztchccclq (xuutucrjnl, 71 - 88)
Positive
29 Jun 2023
Phase 4
70
vvwzccausv = njebjhuvmh keijdjepwn (ljyxuxkodh, ouqvwxtgem - rxrwokbkkn)
-
15 Jun 2023
vvwzccausv = tnackiwnru keijdjepwn (ljyxuxkodh, bkknearcfv - xnpdhhjgnm)
Phase 3
105
Levonorgestrel 52-mg Intrauterine Device
mcdaqfhzsy(crkfgiilnk) = n=6 [5.7%] vqihpwldnw (sgdewvxqtk )
-
01 May 2023
Not Applicable
208
Levonorgestrel intrauterine system (LNG-IUS 52 mg)
dcgglxrkvi(eqfhbyyqtt) = slbdmheylz qqyaldlokc (wvmwxcubed )
-
17 Mar 2023
(Hysteroscopic niche resection)
dcgglxrkvi(eqfhbyyqtt) = icezplgkka qqyaldlokc (wvmwxcubed )
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Core Patent

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Approval

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Regulation

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