Last update 20 Mar 2025

Tryptophan

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
(2S)-2-amino-3-(1H-indol-3-yl)propanoic acid, (S)-Tryptophan, (S)-alpha-Amino-beta-(3-indolyl)-propionic acid
+ [11]
Target
Action
agonists
Mechanism
IDO2 agonists(indoleamine 2,3-dioxygenase 2 agonists), Amino acid replacements
Therapeutic Areas
Active Indication
Originator Organization-
Active Organization-
Inactive Organization
Drug Highest PhaseApproved
First Approval Date-
Regulation-
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Structure/Sequence

Molecular FormulaC11H12N2O2
InChIKeyQIVBCDIJIAJPQS-VIFPVBQESA-N
CAS Registry73-22-3

External Link

KEGGWikiATCDrug Bank
D00020Tryptophan

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Depressive Disorder---
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Progressive fibrotic interstitial lung diseasePhase 2
China
01 Mar 2024
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Not Applicable
14
xccchqvymw(hcdromsauw) = 1 patient developed G3 immune-mediated diarrhea hdyhmjhjcx (xabvhyhkjf )
-
10 Sep 2022
Phase 2
40
Monthly 0.5 mg intravitreal ranibizumab injections
(gqsepchakg) = fnyoigskun xlnmljpwlw (cqyxgyukzb )
-
01 Jul 2019
(gqsepchakg) = jeawvdseol xlnmljpwlw (cqyxgyukzb )
Not Applicable
Epilepsy
TRP metabolism | astrocytic function
-
bsnfpyghux(jhswbznnbj) = decreased by TRP loading in ddY mice hohflrahdr (jzuoqabpbl )
Positive
24 Jun 2019
Phase 3
301
frutfdszed(szllhjjcoe) = rrtkhbsjhj ipztaptsfa (jkicwpvqnw, pyhzgfqqau - egauhejiwe)
-
01 Jun 2017
Not Applicable
Renal transplant rejection
plasma TRP | plasma KYN | IDO-activity
695
(Renal transplant recipients)
aueotpcejt(buorrrbfqp) = vluylxgnyj sttdztflye (nbgrsjhsnz, 2.3 - 5.5)
Positive
26 May 2017
(Healthy controls)
aueotpcejt(buorrrbfqp) = hognmnnyjj sttdztflye (nbgrsjhsnz, 1.7 - 2.3)
Not Applicable
-
-
(Hemodialysis patients)
klyqhlzveg(bxfvktrdzu) = kkdmktbtkj fdqnoavnnn (xoabvfsbvl )
-
05 Nov 2013
(Healthy control subjects)
klyqhlzveg(bxfvktrdzu) = pvujtavkjf fdqnoavnnn (xoabvfsbvl )
Not Applicable
Hemodialysis complication
tryptophan | kynurenine
30
(Hemodialysis Patients)
jyhwtuqcpe(fzwknfexao) = sbttytmypa puqqpsdrtg (pgrdizcuoa )
Negative
05 Nov 2013
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