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Last Updated: December 7, 2019

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DIDRONEL Drug Profile

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Which patents cover Didronel, and what generic alternatives are available?

Didronel is a drug marketed by Mgi Pharma Inc and Apil and is included in two NDAs.

The generic ingredient in DIDRONEL is etidronate disodium. There are four drug master file entries for this compound. One supplier is listed for this compound. Additional details are available on the etidronate disodium profile page.

Drug patent expirations by year for DIDRONEL
Recent Clinical Trials for DIDRONEL

Identify potential brand extensions & 505(b)(2) entrants

SponsorPhase
Assistance Publique - Hôpitaux de ParisPhase 3
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)Phase 3
Eisai Co., Ltd.Phase 3

See all DIDRONEL clinical trials

Recent Litigation for DIDRONEL

Identify potential future generic entrants

District Court Litigation
Case NameDate
Procter & Gamble Company v. Teva Pharmaceuticals USA Inc.2008-02-01

See all DIDRONEL litigation

Synonyms for DIDRONEL
(1-Hydroxy-1-phosphono-ethyl)-phosphonic acid
(1-hydroxy-1-phosphono-ethyl)phosphonic acid
(1-hydroxy-1-phosphonoethyl)phosphonic acid
(1-Hydroxy-1,1-ethanediyl)bis(phosphonic acid)
(1-hydroxy-ethylidene)diphosphonic acid
(1-hydroxyethane-1,1-diyl)bis(phosphonic acid)
(1-Hydroxyethane-1,1-diyl)diphosphonic acid
(1-Hydroxyethane-1,1-diyl)diphosphonic acid disodium salt
(1-Hydroxyethane-1,1-diyl)diphosphonic acid monohydrate
(1-Hydroxyethylene)diphosphonic acid
(1-Hydroxyethylidene)bis(phosphonic acid)
(1-Hydroxyethylidene)bisphosphonic acid
(1-Hydroxyethylidene)bisphosphonic acid monohydrate
(1-Hydroxyethylidene)diphoshonic acid
(1-Hydroxyethylidene)diphosphonic acid
(1-Hydroxyethylidene)diphosphonic acid, disodium salt
(Hydroxyethylidene)diphosphonic acid
0-02-00-00171 (Beilstein Handbook Reference)
1-hydroxy ethylidene
1-hydroxy ethylidene-1,1-diphosphonic acid
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (Powder)
1-HYDROXY-1,1-DIPHOSPHONOETHANE
1-hydroxyethane 1,1-diphosphonic acid
1-Hydroxyethane 1,1-Diphosphonic Acid Disodium Salt
1-Hydroxyethane-1,1-bisphosphonic acid
1-Hydroxyethane-1,1-diphosphonate
1-Hydroxyethane-1,1-diphosphonic acid
1-Hydroxyethane-1,1-diphosphonic Acid Disodium Salt
1-Hydroxyethane-1,1-diphosphonic acid disodium salt hydrate
1-hydroxyethane-1,1-diyldiphosphonic acid
1-Hydroxyethane-1,1,-diphosphonic acid 60% aqueous solution
1-Hydroxyethanediphosphonic acid
1-Hydroxyethylidene 1,1-diphosphonic acid
1-Hydroxyethylidene-1,1-biphosphonate
1-Hydroxyethylidene-1,1-bisphosphonate
1-Hydroxyethylidene-1,1-diphosphonic acid
1-Hydroxyethylidene-1,1-diphosphonic acid disodium salt
1-HydroxyEthylidene-1,1-DiphosphonicAcid
1-Hydroxyethylidenediphosphonic acid
1-Hydroxyethylidenediphosphonic acid 60% aqueous solution
1,1,1-Ethanetriol diphosphonate
1000SL
100511-44-2
103736-66-9
106908-76-3
1159812-97-1
129130-42-3
1338481-55-2
138360-84-6
14860-53-8 (tetra-potassium salt)
187285-10-5
192526-55-9
2809-21-4
303177-33-5
51888-66-5
66216-98-6
7414-83-7
83047-25-0
85188-80-3
853028-38-3
85985-26-8
86159-18-4
A23202
A838033
AB2000336
AC-2078
AC1L1FMT
AC1L2N2E
Acetodiphosphonic acid
Acide etidronique
Acide etidronique [INN-French]
Acido etidronico
Acido etidronico [INN-Spanish]
Acidum etidronicum
Acidum etidronicum [INN-Latin]
AJ-74100
AKOS005524039
AKOS015961949
AN-14328
AN-20166
ANW-46810
BA 49280E
BBL028139
BC210039
BCP22743
BDBM50115102
BPBio1_000997
BRN 1789291
BSPBio_000905
C07736
C2H6Na2O7P2
C2H8O7P2
C3H8O6P2.2Na
Calcimux
CAS-2809-21-4
CAS-7414-83-7
CCG-213569
CHEBI:4906
CHEBI:4907
CHEMBL1201042
CHEMBL871
Cintichem Technetium 99m Hedspa
CS-2337
CTK5C3439
CTK8F9685
D00314
D02373
D4159
DB01077
DBVJJBKOTRCVKF-UHFFFAOYSA-N
Dequest 2010
Dequest 2015
Dequest Z 010
Didronel (TN)
Didronel IV
Didronel R
Dihydrogen (1-hydroxyethylidene)bisphosphonate disodium hydrate
Diphosphonate (base)
disodium (1-hydroxyethane-1,1-diyl)bis[hydrogen (phosphonate)]
Disodium (1-Hydroxyethylidene)-1,1-bisphosphonate
Disodium (1-hydroxyethylidene)diphosphonate
disodium [1-[oxidanidyl(oxidanyl)phosphoryl]-1-oxidanyl-ethyl]-oxidanyl-phosphinate
Disodium 1-Hydroxyethane-1,1-diphosphonate
Disodium 1-hydroxyethylidene phosphonate
Disodium dihydrogen (1-hydroxyethylidene)bisphosphonate
Disodium dihydrogen (1-hydroxyethylidene)diphosphonate
Disodium ethane-1-hydroxy-1,1-diphosphonate
Disodium ethanol-1,1-diphosphonate
Disodium ethydronate
Disodium etidronate
disodium hydroxy-[1-hydroxy-1-[hydroxy(oxido)phosphoryl]ethyl]phosphinate
disodium;hydroxy-[1-hydroxy-1-[hydroxy(oxido)phosphoryl]ethyl]phosphinate
DL-390
DSSTox_CID_3028
DSSTox_CID_9671
DSSTox_GSID_23028
DSSTox_GSID_29671
DSSTox_RID_76837
DSSTox_RID_78804
DTXSID1029671
DTXSID6023028
EC 220-552-8
EHDP
EINECS 220-552-8
EINECS 231-025-7
Ethane-1-hydroxy-1,1-bisphosphonate
ethane-1-hydroxy-1,1-bisphosphonic acid
Ethane-1-hydroxy-1,1-diphosphonate
Ethane-1-hydroxy-1,1-diphosphonate, disodium salt
Ethane-1-hydroxy-1,1-diphosphonic acid
Ethane-1-hydroxy-1,1-diphosphonic acid, disodium salt
Etidron
etidronate
Etidronate (Didronel)
Etidronate disodium
Etidronate disodium (JP17/USP)
Etidronate Disodium [USAN:JAN]
Etidronate disodium [USAN:USP:JAN]
Etidronate disodium hydrate
Etidronate disodium hydrate, >=97% (NMR), solid
Etidronate disodium salt
Etidronate disodium salt hydrate
Etidronic acid
Etidronic acid (USAN/INN)
Etidronic acid [USAN:INN:BAN]
Etidronic acid 60% aqueous solution
Etidronic acid disodium
Etidronic Acid Disodium Salt
Etidronic acid disodium salt hydrate
Etidronic acid, 60% aqueous solution
Etidronic acid, disodium salt
Etidronsaeure
Etidronsaeure dinatriumsalz
Etidronsaure
Ferrofos 510
Fostex NZ 2
FT-0607934
FT-0630369
GP3560
GTPL7184
GWBBVOVXJZATQQ-UHFFFAOYSA-L
HDEPA
HEDP
HMS1570N07
HMS2093P03
HMS2097N07
HMS3604E03
HSDB 5898
HY-B0302
Hydroxyethane-1,1-diphosphonic acid
Hydroxyethanediphosphonic acid
I14-1271
J-504794
Jsp005415
K264
K958
KM1595
KS-00000WG2
KS-1297
LS-106637
LS-106639
M16PXG993G
M2F465ROXU
MCULE-3037955142
MFCD00070585
MFCD00152567
MLS002207267
MLS002695948
MPI Stannous Diphosphonate
NCGC00017072-01
NCGC00159352-02
NCGC00159352-04
NCGC00159352-05
NCGC00179380-04
NCGC00257971-01
NSC 227995
NSC-227995
NSC227995
OEDFK
Ostedron
Osteoscan
Oxyethylidenediphosphonic acid
P,P'-(1-Hydroxyethylidene)bisphosphonic Acid Sodium Salt
Phosphonic acid, (1-hydroxyethylidene)bis-
Phosphonic acid, (1-hydroxyethylidene)bis-, disodium salt
Phosphonic acid, (1-hydroxyethylidene)di-
Phosphonic acid, (1-hydroxyethylidene)di-, disodium salt
Phosphonic acid, 1-hydroxy-1,1-ethanediyl ester
Phosphonic acid, P,P'-(1-hydroxyethylidene)bis-
Phosphonic acid, P,P'-(1-hydroxyethylidene)bis-, sodium salt (1:2)
Prestwick_1061
Prestwick0_000863
Prestwick1_000863
Prestwick2_000863
Prestwick3_000863
RL02950
RP 61
RTR-012472
s1857
SC-25504
SCHEMBL18607
Sequion 10Na2
SM-5600
SMR000038750
sodium 1-hydroxyethane-1,1-diylbis(hydrogenphosphonate)
Sodium Ethane-1-hydroxy-1,1-diphosphonate
Sodium ethidronate
Sodium ethydronate
Sodium etidronate
SPBio_002826
ST2414069
STK721995
TF 133B
Tox21_111596
Tox21_111596_1
Tox21_200417
TR-012472
Turpinal 2NZ
Turpinal SL
UNII-M16PXG993G
UNII-M2F465ROXU
W-104431
Xydifon
ZINC3830813

US Patents and Regulatory Information for DIDRONEL

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Mgi Pharma Inc DIDRONEL etidronate disodium INJECTABLE;INJECTION 019545-001 Apr 20, 1987 DISCN No No   Start Trial   Start Trial   Start Trial
Apil DIDRONEL etidronate disodium TABLET;ORAL 017831-001 Approved Prior to Jan 1, 1982 DISCN Yes No   Start Trial   Start Trial   Start Trial
Apil DIDRONEL etidronate disodium TABLET;ORAL 017831-002 Approved Prior to Jan 1, 1982 DISCN Yes No   Start Trial   Start Trial   Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

Expired US Patents for DIDRONEL

Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
Apil DIDRONEL etidronate disodium TABLET;ORAL 017831-002 Approved Prior to Jan 1, 1982   Start Trial   Start Trial
Mgi Pharma Inc DIDRONEL etidronate disodium INJECTABLE;INJECTION 019545-001 Apr 20, 1987   Start Trial   Start Trial
Apil DIDRONEL etidronate disodium TABLET;ORAL 017831-001 Approved Prior to Jan 1, 1982   Start Trial   Start Trial
Apil DIDRONEL etidronate disodium TABLET;ORAL 017831-002 Approved Prior to Jan 1, 1982   Start Trial   Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >Patent No. >Patent Expiration

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Serving leading biopharmaceutical companies globally:

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Johnson and Johnson
Merck
Moodys
McKinsey
Mallinckrodt

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