Topiroxostat

Topiroxostat
Systematic (IUPAC) name

4-[5-(4-Pyridinyl)-1H-1,2,4-triazol-3-yl]-2-pyridinecarbonitrile
Clinical data
Trade names	Topiloric, Uriadec
Legal status	Approved in Japan
Identifiers
CAS Number	577778-58-6
ATC code	None
PubChem	CID 5288320
ChemSpider	4450517
Chemical data
Formula	C₁₃H₈N₆
Molar mass	248.24 g/mol
SMILES C1=CN=CC=C1C2=NC(=NN2)C3=CC(=NC=C3)C#N
InChI InChI=1S/C13H8N6/c14-8-11-7-10(3-6-16-11)13-17-12(18-19-13)9-1-4-15-5-2-9/h1-7H,(H,17,18,19) Key:UBVZQGOVTLIHLH-UHFFFAOYSA-N

Topiroxostat (INN; trade names Topiloric, Uriadec) is a drug for the treatment of gout and hyperuricemia.^[1] It was approved for use in Japan in June 2013.^[1]

Topiroxostat is a xanthine oxidase inhibitor which reduces serum urate levels.^[2]

References

1 2 "New Drugs FY2013" (PDF). Pharmaceuticals and Medical Devices Agency, Japan.
↑ Hosoya, Tatsuo; Ohno, Iwao; Nomura, Shinsuke; Hisatome, Ichiro; Uchida, Shunya; Fujimori, Shin; Yamamoto, Tetsuya; Hara, Shigeko (2014). "Effects of topiroxostat on the serum urate levels and urinary albumin excretion in hyperuricemic stage 3 chronic kidney disease patients with or without gout". Clinical and Experimental Nephrology. doi:10.1007/s10157-014-0935-8.

Drugs used for gout (M04)

Drugs to lower uric acid levels

primary	Probenecid Sulfinpyrazone Benzbromarone Isobromindione

secondary	Amlodipine Atorvastatin Fenofibrate Guaifenesin Lesinurad Losartan

Xanthine oxidase inhibitors

purine analogues	Allopurinol^# Oxypurinol Tisopurine

other	Febuxostat Inositols (Phytic acid Myo-inositol)

Mitotic inhibitors

Colchicine

Other

^#WHO-EM
^‡Withdrawn from market
Clinical trials:
- ^†Phase III
- ^§Never to phase III

Purinergics

Receptor
(ligands)

P0
(adenine)

Agonists: 8-Aminoadenine
Adenine

P1
(adenosine)

Agonists: 2-(1-Hexynyl)-N-methyladenosine
2-Cl-IB-MECA
2'-MeCCPA
4'-O-β-D-Glucosyl-9-O-(6''-deoxysaccharosyl)olivil
5'-N-ethylcarboxamidoadenosine
Adenosine
ADP
AMP
Apadenoson
ATL-146e
ATP
BAY 60–6583
Binodenoson
Capadenoson
CCPA
CGS-21680
CP-532,903
Evodenoson
GR 79236
LUF-5835
LUF-5845
N⁶-Cyclopentyladenosine
Neladenoson dalanate
Piclidenoson
Regadenoson
SDZ WAG 994
Selodenoson
Sonedenoson
Tecadenoson
UK-432,097

P2
(nucleotide)

P2X (ATP)	Agonists: 2-Me-SATP α,β-Me-ATP Adenosine ADP AMP Ap4A Ap5A ATP ATPγS BzATP Cibacron blue CTP D-β,γ-Me-ATP GTP HT-AMP Ivermectin L-β,γ-Me-ATP MRS-2219 PAPET-ATP UTP Zinc Antagonists: 5-BDBD A-317491 A-438079 A-740003 A-804598 A-839977 AF-353 AZ-10606120 AZ-11645373 BBG Calcium Calmidazolium Chelerythrine Copper Emodin (Rheum officinale) Evans Blue GW-791343 HMA Ip5I isoPPADS JNJ-47965567 KN-04 KN-62 Magnesium MRS-2159 NF-023 NF-110 NF-157 NF-279 NF-449 Oxidized-ATP Phenol Red Phenolphthalein PPADS PPNDS PSB-12062 Puerarin (Radix puerariae) Purotoxin 1 RB-2 Ro 0437626 Ro 51 RO-3 Sodium ferulate (Angelica sinensis, Ligusticum wallichii) Suramin TC-P 262 Tetramethylpyrazine (ligustrazine) (Ligusticum wallichii) TNP-ATP Zinc

P2Y	Agonists: 2-Me-SADP 2-Me-SATP 2-Thio-UTP 5-Br-UDP 5-OMe-UDP α,β-Me-ATP Adenosine ADP ADPβS Ap3A AR-C 67085MX ATP ATPγS CTP dATP Denufosol Diquafosol IDP ITP INS-365 INS-37217 MRS-2365 MRS-2690 MRS-2693 MRS-2768 MRS-2957 MRS-4062 NF-546 PAPET-ATP PSB-0474 PSB-1114 UDP UDPβS UDP-galactose UDP-glucose UDP-N-acetylglucosamine Up3U UTP UTPγS Antagonists: 2-Me-SAMP A3P5PS AMPαS Ap4A AR-C 66096 AR-C 67085MX AR-C 69931MX AR-C 118925XX ATP BzATP C1330-7 Cangrelor Clopidrogel Elinogrel Ip5I MRS-2179 MRS-2211 MRS-2279 MRS-2395 MRS-2500 MRS-2578 NF-157 NF-340 PIT PPADS Prasugrel PSB-0739 RB-2 Regrelor Suramin Ticagrelor Ticlopidine UDP

Transporter
(blockers)

CNTs	6-Hydroxy-7-methoxyflavone Adenosine dMeThPmR Estradiol KGO-2142 KGO-2173 MeThPmR Phloridzin Progesterone

ENTs	Barbiturates Benzodiazepines Cilostazol Dilazep Dipyridamole Estradiol Ethanol Hexobendine NBMPR Pentoxifylline Progesterone Propentofylline

PMAT	Decynium-22

Enzyme
(inhibitors)

XO	Allopurinol Amflutizole Benzbromarone Caffeic acid Cinnamaldehyde Cinnamomum osmophloeum Febuxostat Myo-inositol Kaempferol Myricetin Niraxostat Oxypurinol Phytic acid Pistacia integerrima Propolis Quercetin Tisopurine Topiroxostat

Others	Aminopterin Azathioprine Methotrexate Mycophenolic acid Pemetrexed Pralatrexate Many others

Others

Others: Chrysophanol (rhubarb)

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