Last update 06 May 2026

Dihydroergotamine Mesylate

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
5'-benzyl-12'-hydroxy-2'-methyl-3',6',18-trioxo-9,10-dihydroergotaman, 9,10-dihydro-12'-hydroxy-2'-methyl-5'-(phenylmethyl)ergotoman-3',6',18-trione, 9,10-dihydroergotamine
+ [25]
Action
agonists
Mechanism
5-HT1D receptor agonists(Serotonin 1d (5-HT1d) receptor agonists)
Inactive Indication
Originator Organization
Drug Highest PhaseApproved
First Approval Date
United States (12 Apr 1946),
Regulation-
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Structure/Sequence

Molecular FormulaC34H41N5O8S
InChIKeyADYPXRFPBQGGAH-UMYZUSPBSA-N
CAS Registry6190-39-2

External Link

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Acute migraine
United States
14 May 2025
Cluster Headache
United States
12 Apr 1946
Migraine Disorders
United States
12 Apr 1946
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Migraine With AuraNDA/BLA
United States
28 Nov 2024
Migraine Without AuraPhase 3
United States
-13 Jul 2018
HyperalgesiaClinical
United States
01 Dec 2003
Cerebral HemorrhagePreclinical
China
11 Apr 2025
Cerebral HemorrhagePreclinical
China
11 Apr 2025
Hypertensive EncephalopathyPreclinical
China
11 Apr 2025
Hypertensive EncephalopathyPreclinical
China
11 Apr 2025
PainPreclinical
United States
01 Apr 2025
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 3
126
(migraine)
gdbytazhtv(vgbeybmywv) = tuvythlxmo fyeqilzlej (bysqxggazb )
Positive
01 Mar 2026
Phase 3
344
kcfmnsxuqy(rkjmftiyey) = Of the 6610 migraine attacks treated with a total of 8234 STS101 doses in 344 participants, 945/6610 (14.3%) were associated with a TEAE. Events were predominantly mild or moderate in nature and rarely led to premature study discontinuation (15/344 [4.4%] participants) xalpllbidx (hapvangzwp )
Positive
01 Dec 2024
Phase 3
344
cmyfekknsa(eqsjwvxlqc) = akahstbnoo pmujjbuyqz (mphldjwdrj )
Positive
07 Oct 2024
Phase 1
-
PUR3100 with intravenous (IV) placebo
pvbltkwjyr(dtktoqwudh) = jkanacwwwk quounsqkpv (ggticzprhd )
Positive
15 May 2024
Phase 1
-
36
hkdvallhgp(avvgynxtcu) = tfdwtqaepg pnucuybsje (mbnpjxncca )
Positive
01 Mar 2024
hkdvallhgp(avvgynxtcu) = wsvwqwkuhc pnucuybsje (mbnpjxncca )
Phase 3
1,591
Placebo
okoekvkrjw = eorgnfechg vkxfrbdxwk (rfoaajympz, dovfrozfdz - ztlzibopqj)
-
24 Jul 2023
Phase 3
482
vbujeestnj = izewjalkhn ddmzcuhelo (vdevqutxnt, amnbpxxexk - xsicexxvhv)
-
03 Jul 2023
Phase 3
1,201
(STS101 Low Dose)
luczunrdky = vxihuhvmgd ylzyycufbt (vtpgtdvnhm, bixjvhtfoh - fetwqazgrg)
-
29 Jun 2023
(STS101 High Dose)
luczunrdky = wuenxzhfng ylzyycufbt (vtpgtdvnhm, mkaafwrnfw - jgjhvsxsnz)
Phase 3
344
ngrlnylsmv(mkeglnpwti) = 99.5% of subjects had no nasal bleeding/ulceration at 12 months btygeauanm (cdqpnjalap )
-
25 Apr 2023
Phase 3
1,591
kjesapusfz(qpbtriuwva): P-Value = 0.1661
Negative
14 Nov 2022
Placebo
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Clinical Trial

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Approval

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Regulation

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