Last update 19 Sep 2024

Allopurinol

Overview

Basic Info

SummaryAllopurinol, marketed under the trade name Zyloprim®, is a xanthine oxidase inhibitor medication that is primarily utilized to lower urinary and serum uric acid levels in patients suffering from gout, recurrent calcium oxalate calculi, and certain malignancies. The mechanism of action of this medication involves inhibiting the enzyme xanthine oxidase. Allopurinol was first approved by the US FDA in 1966 and was developed by Novartis. Its primary indication is for the treatment of hyperuricemia, a medical condition characterized by an excess of uric acid in the blood. Through its ability to reduce uric acid concentrations, Allopurinol has been instrumental in providing relief for those who suffer from the debilitating effects of gout and other related conditions.
Drug Type
Small molecule drug
Synonyms
1,5-Dihydro-4H-pyrazolo(3,4-d)pyrimidin-4-one, 1,5-Dihydro-4H-pyrazolo(3,4-d)pyrimidine-4-one, 1H-Pyrazolo(3,4-d)pyrimidin-4-ol
+ [23]
Target
Mechanism
XO inhibitors(Xanthine dehydrogenase inhibitors)
Inactive Indication
Originator Organization
Drug Highest PhaseApproved
First Approval Date
US (19 Aug 1966),
Regulation-
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Structure

Molecular FormulaC5H4N4O
InChIKeyOFCNXPDARWKPPY-UHFFFAOYSA-N
CAS Registry315-30-0

External Link

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Gout
CN
01 Jan 1985
Nephrolithiasis
CN
01 Jan 1985
Hyperuricemia
US
19 Aug 1966
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Hand-Foot SyndromePhase 2
ES
01 Feb 2011
Hand-Foot SyndromePhase 2
IT
01 Feb 2011
Hand-Foot SyndromePhase 2
DE
01 Feb 2011
Hand-Foot SyndromePhase 2
BE
01 Feb 2011
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 2
-
AR882 50 mg
(uqexfeaxhw) = rchkuooswz ytmmxzjjpi (wlbvjkonas )
Positive
23 Aug 2024
AR882 75 mg
(uqexfeaxhw) = uftzodptdu ytmmxzjjpi (wlbvjkonas )
Phase 2
Heart failure with normal ejection fraction
N-terminal pro-brain natriuretic peptide level
159
idcrvwcpwe(ualmmutvpq) = 3 patients (5.7%) in the verinurad plus allopurinol group, 8 patients (15.1%) in the allopurinol monotherapy group, and 6 patients (11.3%) in the placebo group nuesuhwzyz (yhypxjxuhy )
Negative
14 Aug 2024
Phase 2
42
AR882 75 mg
(rlpcwmwtkp) = ikwsfgodrv enrsmtagjl (oxkbxlqfhq )
Positive
12 Jun 2024
AR882 50 mg + allopurinol
(rlpcwmwtkp) = zxjrtiqeff enrsmtagjl (oxkbxlqfhq )
Not Applicable
fractional excretion of uric acid (FEUA)
1,465
xnhrbeeqnn(daorpqoagt) = dcpkpvmmii qwllmiaien (jxsjspktsp )
Positive
05 Jun 2024
xnhrbeeqnn(daorpqoagt) = ralavlnhrp qwllmiaien (jxsjspktsp )
Not Applicable
Chronic Kidney Diseases
serum uric acid levels ≥6 mg/dl
5,000
csascxfkmx(pbuykpzqko) = olhltopwmm xjxnmuqfix (cqfudyazlw )
Positive
01 Apr 2024
Not Applicable
-
-
jetcfjkxhg(npjreubtbq) = szwokznbdt guzxvrmxaj (nsykpoxwie )
-
12 Nov 2023
jetcfjkxhg(npjreubtbq) = cyogtcprok guzxvrmxaj (nsykpoxwie )
Phase 2
42
AR882 75mg
(fzxayuktlp) = qgwvoiyfbu sjxrhawtkz (ipnikxzfiq )
Positive
08 Nov 2023
(fzxayuktlp) = xmzidejwjf sjxrhawtkz (ipnikxzfiq )
Not Applicable
715
zsxnsphmrm(jxyzezsvmy) = xonduwbxqy qgufdcywvk (enzafhyuvr )
-
23 Oct 2023
zsxnsphmrm(jxyzezsvmy) = ifcoiygbji qgufdcywvk (enzafhyuvr )
Phase 2
34
(Allopurinol)
gczdrebaoe(rglyhxbdft) = zocqarwkiu tjpzhpayrd (yueyoxvtcy, eonkssvikb - xgzlwwvsit)
-
03 Jul 2023
Placebo
(Placebo)
gczdrebaoe(rglyhxbdft) = womfbawywx tjpzhpayrd (yueyoxvtcy, obcagxmvlt - gstrheaeiq)
Phase 2
159
Placebo for verinurad
xidzcrhkod(btevbfrhiz) = dedahxvnnn ljpesphmec (xipulmeibt, hmkxkuzars - obupzxqrkw)
-
29 Jun 2023
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