Drugs / Dimenhydrinate
last change Apr 2026 re-read 9 days ago

Dimenhydrinate

Small molecule targets HRH1 via inhibition

Developed for
dysautonomia · gastroenteritis · peripheral vertigo
Investigated by
Canadian Association of Emergency Physicians · Prince of Songkla University · St. Justine's Hospital · Valenta Pharm JSC

Regulatory milestones approvals, filings & regulatory actions · 1 recorded

MilestoneJurisdictionBrandIndicationDateSentence it was read from
Approved US (FDA) DIMENHYDRINATE — 1972-05-31 fda.gov ↗

Trials 3

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PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 21 trial
Phase 2 NCT01543945 Mar 2008 → Dec 2011 — Prince of Songkla University Completed No outcome recorded
Phase 42 trials
Phase 4 NCT06321341 Jan 2024 → Dec 2026 expected dysautonomia Valenta Pharm JSC Recruiting No outcome recorded
Phase 4 NCT00124787 Apr 2005 → Feb 2012 gastroenteritis St. Justine's Hospital Completed No outcome recorded
Comparator or background therapy10 trials
Phase 2 NCT01008007 Comparator Sep 2009 → May 2010 — Catalysis SL Completed No outcome recorded
Phase 3 NCT04606264 Comparator May 2023 → Mar 2025 — Jennifer Holder-Murray Completed No outcome recorded
Phase 3 NCT02112578 Comparator Nov 2016 → Apr 2017 peripheral vertigo Apsen Farmaceutica S.A. Completed No outcome recorded
Phase 4 NCT04835116 Background Apr → Oct 2019 — Armed Forces Institute of Urology, Rawalpindi Completed No outcome recorded
Phase 4 NCT01890538 Comparator Jun 2013 → May 2014 peripheral vertigo Kocaeli University Completed No outcome recorded

Evidence & citations 11 cited values

Every value below carries the sentence it was read from. 14 sources stand behind the page.

FieldValueCited text
Known as Dimenhydrinate “dexamethasone 8 mg intravenous dimenhydrinate 1mg/kg intravenous” NCT02382146 ↗
12

“intramuscular injection of one bulb of dimenhydrinate (50 mg)” NCT01008007 ↗

“Dimenhydrinate + Cinnarizine” NCT06321341 ↗

NCT00124787 ↗

NCT01543945 ↗

NCT00791960 ↗

NCT05590936 ↗

NCT04606264 ↗

NCT04835116 ↗

NCT06395064 ↗

NCT02112578 ↗

Show 2 more sources

Known as Antemin ChEMBL registry synonym — accepted as the source's own label CHEMBL1200406 ↗
Known as Dimenhidrinato ChEMBL registry synonym — accepted as the source's own label CHEMBL1200406 ↗
Known as DMT “It has been reported that the most commonly used medications for parenteral treatment of vertigo and nausea-vomiting in emergency department are dimenhydrinate (DMT) and...” NCT02253524 ↗
Known as Dramamine ChEMBL registry synonym — accepted as the source's own label CHEMBL1200406 ↗
Known as NSC-117855 ChEMBL registry synonym — accepted as the source's own label CHEMBL1200406 ↗
Known as Vertigo-vomex s ChEMBL registry synonym — accepted as the source's own label CHEMBL1200406 ↗
Action Inhibit “Dimenhydrinate, a histamine receptor blocker” NCT00124787 ↗
1

“Histamine H1 receptor antagonist” CHEMBL1200406 ↗

Modality Small molecule “ethanolamine-derivative anti-histamine” NCT00124787 ↗
Route Oral “Do children treated with oral dimenhydrinate during acute gastro-enteritis experience less vomiting episodes than children treated with placebo?” NCT00124787 ↗
Target HRH1 “Histamine H1 receptor antagonist” CHEMBL1200406 ↗