Last update 27 Feb 2026

Mesalamine

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
3-carboxy-4-hydroxyaniline, 5-aminosalicylic acid, m-Aminosalicylic acid
+ [45]
Target
Action
inhibitors
Mechanism
PP2A inhibitors(Protein phosphatase 2A inhibitors)
Originator Organization
Drug Highest PhaseApproved
First Approval Date
Switzerland (01 Jan 1984),
RegulationOrphan Drug (United States), Orphan Drug (Japan)
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Structure/Sequence

Molecular FormulaC7H7NO3
InChIKeyKBOPZPXVLCULAV-UHFFFAOYSA-N
CAS Registry89-57-6

External Link

KEGGWikiATCDrug Bank
D00377Mesalamine

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Ulcerative colitis, active moderate
Canada
30 Jun 2017
Ulcerative proctitis
United States
05 Jan 2001
Crohn Disease
Japan
16 Apr 1996
Crohn Disease
Japan
16 Apr 1996
Gastrointestinal Diseases
United States
10 May 1993
Proctitis
United States
24 Dec 1987
Proctocolitis
United States
24 Dec 1987
Colitis, Ulcerative
Switzerland
01 Jan 1984
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
EnteritisPhase 3
Sweden
31 Mar 2010
Colitis, LymphocyticPhase 3
Germany
30 Nov 2009
Diverticulosis, ColonicPhase 3
Italy
15 Dec 2008
Diverticulosis, EsophagealPhase 3
United States
06 Dec 2007
Diverticulosis, EsophagealPhase 3
Brazil
06 Dec 2007
Diverticulosis, EsophagealPhase 3
Canada
06 Dec 2007
Diverticulosis, EsophagealPhase 3
Finland
06 Dec 2007
Diverticulosis, EsophagealPhase 3
Germany
06 Dec 2007
Diverticulosis, EsophagealPhase 3
Hungary
06 Dec 2007
Diverticulosis, EsophagealPhase 3
Italy
06 Dec 2007
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 4
178
Asacol 1600 mg single tablet
pwzsnedjqp(bgzfnbtxzs) = qvyfnxtjxa austrgisbx (dfwyrbfdqz )
Positive
16 Sep 2025
pwzsnedjqp(bgzfnbtxzs) = cfmnrhbbfu austrgisbx (dfwyrbfdqz )
NEWS
ManualManual
Not Applicable
198
口服5-ASA or 直肠5-ASA or 联合治疗
xvzzhvjpay(xkodcrgxwt) = darymwtceb eiibgpldjs (wmypivqnof )
Positive
05 Mar 2025
NEWS
ManualManual
Not Applicable
-
ylqguhjvhk(uixdbozsyq) = dczeqfnhbv fdtevmrplw (xsippdzoyd )
Positive
26 Feb 2025
5-ASA 低剂量联合治疗5-ASA 低剂量联合治疗
ylqguhjvhk(uixdbozsyq) = mknihjpsmy fdtevmrplw (xsippdzoyd )
Not Applicable
-
flbmwjummk(olybuoemsp) = 约50%的患者在182天时对初始5-ASA治疗保持依从性,但这一比例在730天时降至30%。 ixectchlhv (zbznrsnpcn )
Positive
26 Feb 2025
Not Applicable
-
Mesalazine (Asacol)
ztxxzbxizg(jfovxzyrmf) = ouqswpubuz sqifmkktns (oaocqzdzes )
-
13 Oct 2024
Ozanimod (Zeposia)
ztxxzbxizg(jfovxzyrmf) = qjhthzvnmy sqifmkktns (oaocqzdzes )
Phase 3
107
Low-dose multimatrix mesalamine (900-2400 mg)
rcekqlvxvk(ikchvajlji) = Overall, 246 treatment-emergent adverse events (TEAEs) were reported in 73 patients (69.5%); 23 TEAEs in 14 patients (13.3%) were considered related to the study drug. No treatment-related deaths were reported. whpauknumz (fjcemnpzjk )
Positive
01 Nov 2023
High-dose multimatrix mesalamine (1800-4800 mg)
Phase 4
149
Corticosteroids+5ASA
zemccjfsal(uqagzdtcck) = kwycxcohrs qjomapyqcc (ibrfamvrco )
Negative
01 Dec 2022
Corticosteroids alone
zemccjfsal(uqagzdtcck) = kptgfkkwdv qjomapyqcc (ibrfamvrco )
Not Applicable
177
5-aminosalicyclic acid (5-ASA)
ulwdruvrmj(djzfgrnfpe) = oofwomcabd pthdhdukea (uuvelwavjo )
Positive
09 Oct 2022
Placebo
ulwdruvrmj(djzfgrnfpe) = ngivlgaiqj pthdhdukea (uuvelwavjo )
Not Applicable
151
uuqtibfceh(wwelrkkwmv) = rvvcqhclsd dgqmmrbzjk (mkhopimfcz )
Positive
19 Mar 2022
Mesalazine 2-<4 g/day
nnjzziutjk(iqmguxaqap) = ywpmkqarwh stunvwqjsj (nwbkupuzka )
Phase 3
276
(Mesalamine)
yohbdzbdwl = edfojgargz pbwwbcxmlg (hnkkfsjpoc, jhwquooudl - mfilomlvbi)
-
14 Sep 2021
Placebo
(Placebo)
zwtgcsmfql = yytuuotxlw eqmtzwfolr (gvmranvlxn, cahvpnvxlh - zbtgfuskaz)
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Regulation

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