Sitagliptin Phosphate

Details

Stereochemistry	ABSOLUTE
Molecular Formula	C16H15F6N5O.H2O.H3O4P
Molecular Weight	523.3241
Optical Activity	( - )
Defined Stereocenters	1 / 1
E/Z Centers	0
Charge	0

SHOW SMILES / InChI

Structure Search

SMILES

O.OP(O)(O)=O.N[C@@H](CC(=O)N1CCN2C(C1)=NN=C2C(F)(F)F)CC3=C(F)C=C(F)C(F)=C3

InChI

InChIKey=GQPYTJVDPQTBQC-KLQYNRQASA-N

InChI=1S/C16H15F6N5O.H3O4P.H2O/c17-10-6-12(19)11(18)4-8(10)3-9(23)5-14(28)26-1-2-27-13(7-26)24-25-15(27)16(20,21)22;1-5(2,3)4;/h4,6,9H,1-3,5,7,23H2;(H3,1,2,3,4);1H2/t9-;;/m1../s1

HIDE SMILES / InChI

Molecular Formula	C16H15F6N5O
Molecular Weight	407.3136
Charge	0
Count

Stereochemistry	ABSOLUTE
Additional Stereochemistry	No
Defined Stereocenters	1 / 1
E/Z Centers	0
Optical Activity	UNSPECIFIED

Molecular Formula	H2O
Molecular Weight	18.0153
Charge	0
Count

Stereochemistry	ACHIRAL
Additional Stereochemistry	No
Defined Stereocenters	0 / 0
E/Z Centers	0
Optical Activity	NONE

Molecular Formula	H3O4P
Molecular Weight	97.9952
Charge	0
Count

Stereochemistry	ACHIRAL
Additional Stereochemistry	No
Defined Stereocenters	0 / 0
E/Z Centers	0
Optical Activity	NONE

Description
Sources: http://www.accessdata.fda.gov/drugsatfda_docs/label/2015/021995s034lbl.pdf
Curator's Comment: description was created based on several sources, including https://www.ncbi.nlm.nih.gov/pubmed/23745054 https://www.ncbi.nlm.nih.gov/pubmed/17580730

Sitagliptin (MK-0431), chemically (2R)-4-Oxo-4-[3- (trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin- 7(8H)-yl]-1-(2,4,5-trifl uorophenyl)butan-2-amine has a very high selectivity towards DPP-4, with an IC(50) of 18 nM. There is no affinity towards other DDP enzymes (DPP- 8 and DPP-9). It has been approved for the treatment of type 2 diabetes in the USA and Europe and is registered by the name Januvia (Merck Pharmaceuticals, Whitehouse Station, NJ, USA). In healthy volunteers and in patients with type 2 diabetes of different ethnic background, the tolerability of different doses given once or twice daily is good. The drug works to competitively inhibit a protein/enzyme, dipeptidyl peptidase 4 (DPP-4), that results in an increased amount of active incretins (GLP-1 and GIP), reduced amount of release of glucagon (diminishes its release) and increased release of insulin. Sitagliptin is an incretin enhancer and the first marketed medication belonging to the gliptin class. In fact, no published literature exists regarding incidence or severity of hypoglycemia when sitagliptin is used off-label in combined with insulin therapy. However, is recommended to use methods to avoid hypoglycemia when using this off-label combination. Approximately 79% of sitagliptin is excreted unchanged in the urine with metabolism being a minor pathway of elimination. Elimination of sitagliptin occurs primarily via renal excretion and involves active tubular secretion. Sitagliptin is a substrate for human organic anion transporter-3 (hOAT-3), which may be involved in the renal elimination of sitagliptin

Originator

Approval Year

Targets

Primary Target	Pharmacology	Condition	Potency
Dipeptidyl peptidase IV 37 Target ID: CHEMBL284 Sources: https://www.ncbi.nlm.nih.gov/pubmed/17580730	Inhibitor 8504		18.0 nM [IC50]

Conditions

Condition	Modality	Targets	Highest Phase	Product
Type 2 diabetes mellitus 262 Sources: http://www.accessdata.fda.gov/drugsatfda_docs/label/2015/021995s034lbl.pdf	Palliative		Approved 8583	JANUVIA Approved Use JANUVIA is a dipeptidyl peptidase-4 (DPP-4) inhibitor indicated as an adjunct to diet and exercise to improve glycemic control in adults with type 2 diabetes mellitus. (1.1) Important Limitations of Use: •JANUVIA should not be used in patients with type 1 diabetes or for the treatment of diabetic ketoacidosis. (1.2) •JANUVIA has not been studied in patients with a history of pancreatitis. (1.2, 5.1) 1.1 Monotherapy and Combination Therapy JANUVIA® is indicated as an adjunct to diet and exercise to improve glycemic control in adults with type 2 diabetes mellitus. [See Clinical Studies (14). Launch Date 2006

C_max

Value	Dose	Co-administered	Analyte	Population
950 nM DRUG LABEL https://www.accessdata.fda.gov/drugsatfda_docs/label/2019/022044s046lbl.pdf	100 mg single, oral dose: 100 mg route of administration: Oral experiment type: SINGLE co-administered:		SITAGLIPTIN plasma	Homo sapiens population: HEALTHY age: ADULT sex: UNKNOWN food status: UNKNOWN

AUC

Value	Dose	Co-administered	Analyte	Population
8.52 μM × h DRUG LABEL https://www.accessdata.fda.gov/drugsatfda_docs/label/2019/022044s046lbl.pdf	100 mg single, oral dose: 100 mg route of administration: Oral experiment type: SINGLE co-administered:		SITAGLIPTIN plasma	Homo sapiens population: HEALTHY age: ADULT sex: UNKNOWN food status: UNKNOWN

T_1/2

Value	Dose	Co-administered	Analyte	Population
12.4 h DRUG LABEL https://www.accessdata.fda.gov/drugsatfda_docs/label/2019/022044s046lbl.pdf	100 mg single, oral dose: 100 mg route of administration: Oral experiment type: SINGLE co-administered:		SITAGLIPTIN plasma	Homo sapiens population: HEALTHY age: ADULT sex: UNKNOWN food status: UNKNOWN

F_unbound

Value	Dose	Co-administered	Analyte	Population
62% DRUG LABEL https://www.accessdata.fda.gov/drugsatfda_docs/label/2019/022044s046lbl.pdf	100 mg single, oral dose: 100 mg route of administration: Oral experiment type: SINGLE co-administered:		SITAGLIPTIN plasma	Homo sapiens population: HEALTHY age: ADULT sex: UNKNOWN food status: UNKNOWN

Overview

CYP3A4	CYP2C9	CYP2D6	hERG
substrate 1946 inducer 1087 inhibitor 2252	inhibitor 2438	inhibitor 2507	inhibitor 2217

OverviewOther

Other Inhibitor	Other Substrate	Other Inducer
OCT transporters 14 CYP 110 P-gp 1741 OAT3 747 CYP1A2 2153 CYP2B6 926 CYP2C8 1057 CYP2C19 2057	CYP2C8 810 OAT3 391 P-gp 2052 OAT1 395 PEPT1 60 OCT2 434 OAT4 93

Drug as perpetrator

Target	Modality	Activity	Clinical evidence
CYP1A2 2333	inhibitor 4027 Sources: https://www.accessdata.fda.gov/drugsatfda_docs/nda/2006/021995s000_ClinPharmR.pdf Page: 15.0	no [IC50 >100 uM]
CYP2B6 1160	inhibitor 4027 Sources: https://www.accessdata.fda.gov/drugsatfda_docs/nda/2006/021995s000_ClinPharmR.pdf Page: 15.0	no [IC50 >100 uM]
CYP2C19 2141	inhibitor 4027 Sources: https://www.accessdata.fda.gov/drugsatfda_docs/nda/2006/021995s000_ClinPharmR.pdf Page: 15.0	no [IC50 >100 uM]
CYP2C8 1117	inhibitor 4027 Sources: https://www.accessdata.fda.gov/drugsatfda_docs/nda/2006/021995s000_ClinPharmR.pdf Page: 15.0	no [IC50 >100 uM]
CYP2C9 2497	inhibitor 4027 Sources: https://www.accessdata.fda.gov/drugsatfda_docs/nda/2006/021995s000_ClinPharmR.pdf Page: 15.0	no [IC50 >100 uM]
CYP2D6 2546	inhibitor 4027 Sources: https://www.accessdata.fda.gov/drugsatfda_docs/nda/2006/021995s000_ClinPharmR.pdf Page: 15.0	no [IC50 >100 uM]
CYP3A4 2633	inhibitor 4027 Sources: https://www.accessdata.fda.gov/drugsatfda_docs/nda/2006/021995s000_ClinPharmR.pdf Page: 15, 30	no [IC50 >100 uM]	no (co-administration study) Comment: results indicated that sitagliptin was not a time-dependent inhibitor of CYP3A4; sitagliptin did not meaningfully alter the pharmacokinetics of simvastatin. Sources: https://www.accessdata.fda.gov/drugsatfda_docs/nda/2006/021995s000_ClinPharmR.pdf Page: 15, 30
CYP 150	inhibitor 4027 Sources: https://www.accessdata.fda.gov/drugsatfda_docs/nda/2007/022044s000_PharmR.pdf Page: 6.0	no
CYP3A4 2633	inducer 1966 Sources: https://www.accessdata.fda.gov/drugsatfda_docs/nda/2006/021995s000_ClinPharmR.pdf Page: 15.0	no
OAT3 749	inhibitor 4027 Sources: https://www.accessdata.fda.gov/drugsatfda_docs/nda/2007/022044s000_PharmR.pdf Page: 6.0	no
OCT transporters 14	inhibitor 4027 Sources: https://www.accessdata.fda.gov/drugsatfda_docs/nda/2007/022044s000_ClinPharmR.pdf Page: 9.0	no
P-gp 1932	inhibitor 4027 Sources: https://www.accessdata.fda.gov/drugsatfda_docs/nda/2006/021995s000_ClinPharmR.pdf Page: 15.0	no	no (co-administration study) Comment: sitagliptin had no inhibitory effect on the P-gp mediated transport of digoxin, verapmil, ritonavir, adn vinblastine Sources: https://www.accessdata.fda.gov/drugsatfda_docs/nda/2006/021995s000_ClinPharmR.pdf Page: 15.0

Drug as victim

Target	Modality	Activity	Clinical evidence
OAT4 93	substrate 4014 Sources: https://www.accessdata.fda.gov/drugsatfda_docs/nda/2006/021995s000_ClinPharmR.pdf Page: 15.0	inconclusive
OAT1 395	substrate 4014 Sources: https://www.accessdata.fda.gov/drugsatfda_docs/nda/2006/021995s000_ClinPharmR.pdf Page: 15.0	no
OCT2 434	substrate 4014 Sources: https://www.accessdata.fda.gov/drugsatfda_docs/nda/2006/021995s000_ClinPharmR.pdf Page: 15.0	no
PEPT1 60	substrate 4014 Sources: https://www.accessdata.fda.gov/drugsatfda_docs/nda/2006/021995s000_ClinPharmR.pdf Page: 15.0	no
CYP2C8 810	substrate 4014 Sources: https://www.accessdata.fda.gov/drugsatfda_docs/nda/2006/021995s000_ClinPharmR.pdf Page: 4, 42	yes
CYP3A4 1946	substrate 4014 Sources: https://www.accessdata.fda.gov/drugsatfda_docs/nda/2006/021995s000_ClinPharmR.pdf Page: 4, 42	yes
OAT3 391	substrate 4014 Sources: https://www.accessdata.fda.gov/drugsatfda_docs/nda/2006/021995s000_ClinPharmR.pdf Page: 4, 15	yes
P-gp 2052	substrate 4014 Sources: https://www.accessdata.fda.gov/drugsatfda_docs/nda/2006/021995s000_ClinPharmR.pdf Page: 4, 15	yes	yes (co-administration study) Comment: cyclosporin A significantly inhibited P-gp transport of sitagliptin Sources: https://www.accessdata.fda.gov/drugsatfda_docs/nda/2006/021995s000_ClinPharmR.pdf Page: 4, 15

Tox targets

Target	Modality	Activity	Metabolite	Clinical evidence
hERG 2263	inhibitor 2237 Sources: https://www.accessdata.fda.gov/drugsatfda_docs/nda/2006/021995s000_PharmR.pdf Page: 22, 23

Sourcing

Vendor/Aggregator	ID	URL
ChEBI	CHEBI:40237	https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:40237
ChemicalBook	CB01449778	https://www.chemicalbook.com/ChemicalProductProperty_EN_CB01449778
eMolecules	6755163	https://www.emolecules.com/cgi-bin/more?vid=6755163
MolPort	MolPort-003-666-756	https://www.molport.com/shop/molecule-link/MolPort-003-666-756
ZINC	ZINC000001489478	http://zinc15.docking.org/substances/ZINC000001489478

PubMed

Title	Date	PubMed
Dipeptidyl peptidase IV (DPP IV) inhibitors: A newly emerging drug class for the treatment of type 2 diabetes.	2006 Dec	17160910
Effect of single oral doses of sitagliptin, a dipeptidyl peptidase-4 inhibitor, on incretin and plasma glucose levels after an oral glucose tolerance test in patients with type 2 diabetes.	2006 Nov	16912128
Efficacy and safety of the dipeptidyl peptidase-4 inhibitor sitagliptin added to ongoing pioglitazone therapy in patients with type 2 diabetes: a 24-week, multicenter, randomized, double-blind, placebo-controlled, parallel-group study.	2006 Oct	17157112
Discovery of JANUVIA (Sitagliptin), a selective dipeptidyl peptidase IV inhibitor for the treatment of type 2 diabetes.	2007	17352677
Sitagliptin: a viewpoint by Itamar Raz.	2007	17352518
Sitagliptin: a viewpoint by Mark S. Kipnes.	2007	17352517
Sitagliptin.	2007	17352516
Characterization of two cyclic metabolites of sitagliptin.	2007 Apr	17220240
Dipeptidyl peptidase IV inhibitors and the incretin system in type 2 diabetes mellitus.	2007 Aug	17655515
Design and synthesis of potent amido- and benzyl-substituted cis-3-amino-4-(2-cyanopyrrolidide)pyrrolidinyl DPP-IV inhibitors.	2007 Dec 15	17977724
Sitagliptin.	2007 Feb	17342863
New treatment for diabetes.	2007 Jan-Feb	17342826
Diabetes drug update: how 4 new options stack up.	2007 Mar	17343811
Transport of the dipeptidyl peptidase-4 inhibitor sitagliptin by human organic anion transporter 3, organic anion transporting polypeptide 4C1, and multidrug resistance P-glycoprotein.	2007 May	17314201
New treatments for diabetes.	2007 May 24	17526095
New treatments for diabetes.	2007 May 24	17526094
[The incretin effect: a new therapeutic target in type 2 diabetes].	2007 Sep	17958029
Incretin-based treatment of type 2 diabetes: glucagon-like peptide-1 receptor agonists and dipeptidyl peptidase-4 inhibitors.	2007 Sep	17877544
Efficacy and safety of sitagliptin monotherapy in Japanese patients with type 2 diabetes.	2008 Feb	17933414
How lithium treatment generates neutrophilia by enhancing phosphorylation of GSK-3, increasing HIF-1 levels and how this path is important during engraftment.	2008 Jan	17906701
Dipeptidyl peptidase IV inhibitors and diabetes therapy.	2008 Jan 1	17981665

Patents

Sample Use Guides

In Vivo Use Guide

100 mg once daily. It can be taken with or without food.

Route of Administration: Oral

In Vitro Use Guide

Adipose tissue from adult-male Fischer 344 rats were cultured in endothelial progenitor cell culture medium for 14 d with (25 μmol/L) or without sitagliptin.

Substance Class	Chemical Created by `admin` on `Mon Mar 31 18:17:40 GMT 2025` Edited by `admin` on `Mon Mar 31 18:17:40 GMT 2025`
Record UNII	TS63EW8X6F
Record Status	`Validated (UNII)`
Record Version

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Name

Type

Language

Sitagliptin Phosphate

Official Name

English

SITAGLIPTIN PHOSPHATE HYDRATE

Preferred Name

English

SITAGLIPTIN PHOSPHATE MONOHYDRATE

Common Name

English

1,2,4-TRIAZOLO(4,3-A)PYRAZINE, 7-((3R)-3-AMINO-1-OXO-4-(2,4,5-TRIFLUOROPHENYL)BUTYL)-5,6,7,8-TETRAHYDRO-3-(TRIFLUOROMETHYL), PHOSPHATE (1:1) MONOHYDRATE

Common Name

English

7-[(3R)-3-Amino-4-(2,4,5-trifluorophenyl)butanoyl]-3-(trifluoromethyl)-5,6,7,8-tetrahydro-1,2,4-triazolo[4,3-a]pyrazine monophosphate monohydrate

Systematic Name

English

SITAGLIPTIN PHOSPHATE [MART.]

Common Name

English

SITAGLIPTIN PHOSPHATE MONOHYDRATE [EP MONOGRAPH]

Common Name

English

SITAGLIPTIN MONOPHOSPHATE MONOHYDRATE [MI]

Common Name

English

JANUVIA

Brand Name

English

SITAGLIPTIN PHOSPHATE [USP-RS]

Common Name

English

SITAGLIPTIN PHOSPHATE [ORANGE BOOK]

Common Name

English

SITAGLIPTIN MONOPHOSPHATE MONOHYDRATE

Common Name

English

SITAGLIPTIN PHOSPHATE [JAN]

Common Name

English

GLACTIV

Brand Name

English

MK-0431

Code

English

STEGLUJAN COMPONENT SITAGLIPTIN PHOSPHATE

Brand Name

English

SITAGLIPTIN PHOSPHATE HYDRATE [JAN]

Common Name

English

JANUMET COMPONENT SITAGLIPTIN PHOSPHATE

Brand Name

English

SITAGLIPTIN PHOSPHATE [USP MONOGRAPH]

Common Name

English

Sitagliptin phosphate monohydrate [WHO-DD]

Common Name

English

ONO-5435

Code

English

MK0431

Code

English

SITAGLIPTIN PHOSPHATE [USAN]

Common Name

English

SITAGLIPTIN PHOSPHATE [VANDF]

Common Name

English

STELUJAN COMPONENT SITAGLIPTIN PHOSPHATE

Brand Name

English

Classification Tree Code System Code

NCI_THESAURUS

C98086