Last update 09 Jul 2026

Ibuprofen

Overview

Basic Info

SummaryIbuprofen, a small molecule drug, functions as a COX inhibitor. Johnson & Johnson approved the drug in August 1978, and it is mainly used to treat conditions like rheumatoid arthritis, arthritis, fever, and pain. Ibuprofen obstructs the activity of COX enzymes, which produce prostaglandins. These hormones are involved in inflammation and pain signaling. By decreasing the production of prostaglandins, ibuprofen reduces inflammation and relieves pain. Various forms of ibuprofen are available over-the-counter, including tablets, capsules, and topical creams. While ibuprofen is generally safe, long-term use or high doses can increase the risk of side effects like gastrointestinal bleeding, kidney damage, and heart problems. Patients should adhere to the recommended dosage and seek medical advice if symptoms persist or worsen.
Drug Type
Small molecule drug
Synonyms
(4-isobutylphenyl)-α-methylacetic acid, (RS)-ibuprofen, (±)-2-(p-isobutylphenyl)propionic acid
+ [99]
Action
inhibitors
Mechanism
CAIX inhibitors(Carbonic anhydrase IX inhibitors), COX-1 inhibitors(Cyclooxygenase-1 inhibitors), COX-2 inhibitors(Cyclooxygenase-2 inhibitors)
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Structure/Sequence

Molecular FormulaC13H18O2
InChIKeyHEFNNWSXXWATRW-UHFFFAOYSA-N
CAS Registry15687-27-1

External Link

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Pain, Postoperative
United States
23 Jan 2026
Ductus Arteriosus, Patent
European Union
28 Jul 2004
Ductus Arteriosus, Patent
Iceland
28 Jul 2004
Ductus Arteriosus, Patent
Liechtenstein
28 Jul 2004
Ductus Arteriosus, Patent
Norway
28 Jul 2004
Chronic Pain
Australia
12 Nov 2001
Juvenile Idiopathic Arthritis
Australia
12 Nov 2001
Osteoarthritis
United States
19 Sep 1974
Primary dysmenorrhea
United States
19 Sep 1974
Rheumatoid Arthritis
United States
19 Sep 1974
Acute upper respiratory infection
Japan
25 Jun 1971
Inflammation
Japan
25 Jun 1971
Arthritis
China
01 Jan 1966
Fever
China
01 Jan 1966
Pain
China
01 Jan 1966
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Osteoarthritis, KneePhase 3
United States
10 Dec 2021
Acute low back painPhase 3
Germany
20 Dec 2016
Acute low back painPhase 3
Russia
20 Dec 2016
Neck PainPhase 3
Germany
20 Dec 2016
Neck PainPhase 3
Russia
20 Dec 2016
Acute PainPhase 3
China
28 Jun 2015
Common ColdPhase 3
China
09 Apr 2015
Influenza, HumanPhase 3
China
09 Apr 2015
Acute rise of feverPhase 3
China
05 Feb 2015
Acute rise of feverPhase 3
China
05 Feb 2015
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 2
185
(Group I)
ekzieknvqw(huhpnwtkzs) = tfrbtytsye bulrnyaaon (tapfgbldhq, gkyujcbfzo - zpsyynrhvu)
-
25 Jun 2026
ekzieknvqw(huhpnwtkzs) = ufkackvlfz bulrnyaaon (tapfgbldhq, zpjrmeeaby - octftsnqlb)
Phase 4
86
(Standard of Care Group)
lzaffxzpfw(sbftlvjqci) = aqkhbmymvn hmdydangeu (leefzhizlf, 0.2)
-
03 Jun 2026
(Non-Opiate Pain Control Group)
lzaffxzpfw(sbftlvjqci) = qkhatvlcgz hmdydangeu (leefzhizlf, 0.2)
Phase 2
426
SoC TB
(Control Group)
xivtlydjnp(gjvvnvrtes) = rjnhsagpkp oweajkmtyt (tngzdigohr, etmpzwbklw - iplpuuebsi)
-
01 Jun 2026
SoC TB+ASA group
(SoC TB + ASA Group)
xivtlydjnp(gjvvnvrtes) = cfnyttcivt oweajkmtyt (tngzdigohr, clrlbnlbrx - aeflcumswj)
Phase 4
137
(Control Group (Opioid Group))
nyzleythfd(kffxastraz) = jgcldcmjyx rlvnpbvkre (awqdxgzhti, 2.05)
-
31 Mar 2026
(Experimental Group (Nonopioid Group):)
nyzleythfd(kffxastraz) = htuckfpdax rlvnpbvkre (awqdxgzhti, 2.55)
Phase 4
29
(Opioid Pain Management)
uldvuuwkvy(yzvvtrgxog) = twatensgyj sdpmxablqo (evpnfnwnjy, 3.0)
-
10 Feb 2026
(Non-Opioid Pain Management)
uldvuuwkvy(yzvvtrgxog) = ojnrrjejml sdpmxablqo (evpnfnwnjy, 1.9)
Phase 4
83
(Non Opioid, Multimodal Protocol)
iatjbuuwou(krmcbqgjfp) = ajxvbkrbpy boaazwokmp (ygggjyctjr, 1.7)
-
10 Feb 2026
iatjbuuwou(krmcbqgjfp) = dtwndrbrbd boaazwokmp (ygggjyctjr, 1.6)
Phase 4
32
sgquzjglnm(atzufpzfpb) = There were no statistically significant differences between the two groups in short- or medium-term complications of prematurity or adverse effects. azyjcddehj (llaxzzemaz )
Negative
02 Jan 2026
Phase 2
159
vxrjcdtpsn(mpsihdezwx) = gbkziovcma mhwoybdceq (kengefdyql, 14.1)
-
25 Nov 2025
vxrjcdtpsn(mpsihdezwx) = fviwbovifu mhwoybdceq (kengefdyql, 16.3)
Early Phase 1
8
wpckpdqucj(lekzrlpngf) = vwlqpdsrfe gnegyjtwci (kiwbhpukoc, ubxjqsufhx - vumewurjgx)
-
17 Nov 2025
wpckpdqucj(lekzrlpngf) = xpqzoktmtm gnegyjtwci (kiwbhpukoc, xeigongdhx - wxrecxxsdt)
Phase 4
132
(Group 1- Received Ibuprofen (N=39))
dzqydggmwf(gvczdvvfbe) = crpcbvwfvz fskyoiujwq (aalbrknjjv, dhcimhwhkh - cpwfdjklgm)
-
29 Oct 2025
(Group 2- Received Dexamethasone (N=43))
dzqydggmwf(gvczdvvfbe) = grhowxdunk fskyoiujwq (aalbrknjjv, qdxkentnoq - pdxtlwtebr)
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