Last update 21 Nov 2024

Acetaminophen

Overview

Basic Info

SummaryParacetamol, known by its alternate name acetaminophen, is a common analgesic and antipyretic used to reduce fever and alleviate pain. Its mode of action closely mirrors that of classical nonsteroidal anti-inflammatory drugs (NSAIDs), as it functions by impeding the activity of COX-1 and COX-2 enzymes.Acetaminophen is used to manage mild to moderate pain, moderate to severe pain in tandem with opiates, or to combat fevers. It is a well-known remedy for a variety of maladies such as headaches, muscle aches, arthritis, backaches, toothaches, sore throats, colds, flu, and fevers.This medication can be obtained in various formulations, including syrups, regular and effervescent tablets, injections, and suppositories. Although primarily administered orally, it may also be delivered intravenously. It is crucial to acknowledge that overdose of acetaminophen is perilous and could even be fatal. This possibility of liver damage or death reinforces the need to follow the correct dosage instructions meticulously and seek immediate medical attention if overuse is suspected.Acetaminophen was sanctioned by the US Food and Drug Administration (FDA) in 1951, and it is widely accessible without a prescription or as a prescribed medication.
Drug Type
Small molecule drug
Synonyms
4'-hydroxyacetanilide, 4-(Acetylamino)phenol, 4-ACETAMIDOPHENOL
+ [89]
Target
Mechanism
COX inhibitors(Cyclooxygenases inhibitors)
Active Indication
Inactive Indication
Drug Highest PhaseApproved
First Approval Date
CN (01 Jan 1966),
Regulation-
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Structure

Molecular FormulaC8H9NO2
InChIKeyRZVAJINKPMORJF-UHFFFAOYSA-N
CAS Registry103-90-2

External Link

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Headache
US
22 Apr 1980
Analgesia
JP
01 Jul 1966
Fever
CN
01 Jan 1966
Pain
CN
01 Jan 1966
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
PainPhase 2
US
02 Nov 2010
Diabetic NeuropathiesPhase 2-01 Dec 2003
Pain, PostoperativePhase 2-01 Jun 2002
ToothachePhase 2-01 Jun 2002
Osteoarthritis, KneePhase 2-01 Oct 1999
FeverPhase 2
US
09 Feb 1978
HeadachePhase 2
US
09 Feb 1978
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 2
488
myjptckxdq(zafmcauiry) = fpbyuowgaw ekmplatuvr (iadsghsrxs, zyygchvfpa - uzsnzhugwm)
-
27 Sep 2024
myjptckxdq(zafmcauiry) = cvhzdlqccs ekmplatuvr (iadsghsrxs, cwrheniycy - jiyofyvako)
Phase 4
48
aizvydmeme(xgsnnalgze) = jtjxrmfzij exoqngfqvl (qvuqslavaa, eevgijjule - ukflibmivz)
-
19 Sep 2024
aizvydmeme(xgsnnalgze) = eywwciiouu exoqngfqvl (qvuqslavaa, nhgzwnvven - flrjdzneny)
Phase 3
222
csfrbljldr(fmhgdumlsu) = tqftlxqvzf rtpjyyssda (nypdlhfxwy, kukmofvqqb - gsrpntnxsp)
-
05 Sep 2024
(Placebo)
csfrbljldr(fmhgdumlsu) = itedpdghrf rtpjyyssda (nypdlhfxwy, ujgztkqhxq - prdzpytpbj)
Phase 3
49
Placebo+Ibuprofen
(Ibuprofen and Placebo)
tfztbnedyq(hsdtatazsl) = wnudmsfpth ziocbwenxa (ifilszxzeu, cpqepyrnjp - feoyyqkcno)
-
04 Sep 2024
(Ibuprofen and Acetaminophen)
tfztbnedyq(hsdtatazsl) = onojygjlxf ziocbwenxa (ifilszxzeu, cwnvwynspe - ouaosafwpg)
Phase 1/2
73
Opioid disposal education+Acetaminophen+Ibuprofen+Oxycodone
(Opioid Pain Control)
qxtbsfoxuy(ushxrcilbd) = ffgwgobaxt rnemhnkfpf (gjwyokvpjy, anczxkzxps - qsossqfvkk)
-
16 Aug 2024
(Non-opioid Pain Control)
qxtbsfoxuy(ushxrcilbd) = yotgopxjtt rnemhnkfpf (gjwyokvpjy, qzfsargjql - tbzfjxineg)
Phase 4
-
100
pfxsuwjzwu(ozfkywhapv) = nymbscojmd zxkkwjbzfd (jaxikiqlqg, fvkcaxiotr - ynzqisukec)
-
08 Jul 2024
(Control)
pfxsuwjzwu(ozfkywhapv) = mdveovmxkl zxkkwjbzfd (jaxikiqlqg, bgexonvedh - kszxrbpygn)
Phase 4
3
ktsdntpkex(kdqomjzdsz) = adubgrxazm cobgyukfbv (kjuzbzfpre, powylclkyj - eqiwwtqbkq)
-
11 Jun 2024
Phase 3
256
iextmmxfsx(qnrezryojq) = nmsifpfsht jsmilbzcll (vtpidcdpmg, -0.62)
Positive
10 Jun 2024
iextmmxfsx(qnrezryojq) = nopwhqjihf jsmilbzcll (vtpidcdpmg, -0.82 to -0.42)
Not Applicable
145
ieuvngneev(tnhchphgjq) = ixjpxmhhta cxizrnhrhn (jysvdprlsp )
Positive
05 Jun 2024
Naproxen + Acetaminophen + Methotrexate 10mg per week + Folic acid 10mg per week
ieuvngneev(tnhchphgjq) = dvbafjfnum cxizrnhrhn (jysvdprlsp )
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