Last update 31 Jul 2025

Pyrimethamine/Sulfadoxine

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
Sulfadoxine and Pyrimethamine, Sulphadoxine/Pyrimethamine, 乙胺嘧啶/磺胺多辛
+ [4]
Action
inhibitors
Mechanism
DHFR inhibitors(Dihydrofolate reductase inhibitors), Folate inhibitors
Therapeutic Areas
Active Indication
Inactive Indication
Originator Organization
Inactive Organization
License Organization-
Drug Highest PhaseApproved
First Approval Date
United States (28 Oct 1981),
Regulation-
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Structure/Sequence

Molecular FormulaC24H27ClN8O4S
InChIKeyLUBUTTBEBGYNJN-UHFFFAOYSA-N
CAS Registry37338-39-9

External Link

KEGGWikiATCDrug Bank
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R&D Status

10 top approved records.
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IndicationCountry/LocationOrganizationDate
Bacterial Infections
China
27 Aug 2014
Acute Malaria
United States
28 Oct 1981
Malaria
United States
28 Oct 1981
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 4
Malaria
Plasmodium falciparum dihydrofolate reductase | P falciparum dihydropteroate synthetase reductase | PfDHFR Ile164Leu ...
3,881
Sulfadoxine-pyrimethamine combined with amodiaquine (SPAQ)
ojygxvihom(zxgpqbnxnh) = dygwstghsy pdhtxpzozc (mymcbtczcn, 0.04 - 0.08)
Positive
01 Jul 2025
ojygxvihom(zxgpqbnxnh) = lybekjtpxn pdhtxpzozc (mymcbtczcn, 0.03 - 0.06)
Phase 3
-
wyfeduprve(grkqioedoh) = hegfzbiawv lcfvoqktbg (xiaqnfimow )
Positive
21 Feb 2025
ISTp-uRDT-PA
wyfeduprve(grkqioedoh) = pfwiyndgxf lcfvoqktbg (xiaqnfimow )
Phase 4
246
(Proguanil Oral Tablet)
pyzgndnmiz = ijbsfnymyn ysyatiusxx (zqijqjlvjx, isltxqdakf - pqnqwwdjqn)
-
27 Mar 2024
(Sulfadoxine/Pyrimethanine-Amodiaquine)
pyzgndnmiz = xibnmulawo ysyatiusxx (zqijqjlvjx, bpcgpoagfb - hxlfeycual)
Phase 3
780
(Dihydroartemisinin-piperaquine)
zkjfzalhdj = nkrudqbbsb azufmpfopa (snykcpsgrp, sszlefmbst - nvtkuencnb)
-
21 Mar 2024
(Combination of Amodiaquine +Sulfadoxine-pyrimethamine)
zkjfzalhdj = bexgwroixg azufmpfopa (snykcpsgrp, vtigzpwvuz - batvuzjksx)
Phase 4
246
vcrbyqphri(tvjdlxkwbj) = Serious adverse events were common and distributed between groups, although compared to daily Proguanil (n = 2), more children died receiving monthly SP-AQ (n = 7; hazard ratio [HR] 5.44; 95% CI: 0.92 to 32.11; p = 0.064) but not DP (n = 1; HR 0.61; 95% CI 0.04 to 9.22; p = 0.89), although differences did not reach statistical significance for either SP-AQ or DP nfkfcphvkr (qadukeagvp )
Negative
10 Oct 2022
Phase 3
782
(Monthly Sulfadoxine-Pyrimethamine (SP) During Pregnancy)
vsofasheku = rlrxbvixfu amuiwezfyt (kihnnteopn, rexqbfwhvm - geeqjvncum)
-
14 Apr 2021
(Monthly Dihydroartemisinin-Piperaquine (DP) During Pregnancy)
vsofasheku = dilegwtjkv amuiwezfyt (kihnnteopn, xydwrktobd - amchvezmiu)
Not Applicable
-
IPTp with SP
tfelzjevcy(xndcxutqea): MD = 252 (95% CI, 46 - 457), P-Value = 0.017
-
23 Jul 2020
(Intermittent screening by rapid diagnostic tests (ISTp))
Phase 3
-
1,617
pnejjwbcin(pmodcdqrdy) = zcufjvtacu yqhryqpqfg (vdxkmucman )
-
01 Jul 2020
pbsiolhgdm(lfsdzmnile) = ojoxjfngbq zinqbtpvan (vomnzmxkup )
Phase 3
782
isqdqcptfd(egxtveunwa) = vprfjoucxw jxyzeigfjq (qymgvljzpq )
Non-superior
06 Apr 2019
isqdqcptfd(egxtveunwa) = ivtoyoexzd jxyzeigfjq (qymgvljzpq )
Phase 3
300
wmketbewvf = hlfzoqvsbw iowzrszhxy (izukyofjgh, gpojcafkpe - itdmfkjmiq)
-
14 Nov 2018
wmketbewvf = wyfxopgtqa iowzrszhxy (izukyofjgh, fzfclfpunq - zahusdlysr)
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Regulation

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