hexamethylenetetramine

Small moleculeapproved

Approved

Jul 5, 1967

Methenamine is an antibacterial agent for preventing recurrent urinary tract infection. It can be used as methenamine hippurate or methenamine mandelate preparations and is United States Food and Drug Administration-approved. Methenamine exerts its activity because it is hydrolyzed to formaldehyde in acid urine. — NCATS

Clinical trial activity

5 trials · 6 clinical orgs · 14 marketing orgs

Phase 1
0
Phase 2
1
Phase 3
1
Phase 4
2

Earliest trial started Dec 1, 2014 (NCT02358993)

Timeline

1960s

  1. Jul 5, 1967

    Earliest FDA Approval

  2. Jul 5, 1967

    County Line — NDA Secondary Org

  3. Jul 5, 1967

    Alvogen — Marketing Organization

  4. Jul 5, 1967

    Alvogen — NDA Secondary Org

  5. Jul 5, 1967

    Quagen Pharma — Marketing Organization

1970s

  1. Sep 9, 1976

    Validus Pharmaceuticals — Marketing Organization

  2. Sep 9, 1976

    Validus Pharmaceuticals — NDA Secondary Org

  3. Sep 9, 1976

    ESJAY PHARMA — Marketing Organization

2000s

  1. Jun 20, 2003

    Impax Laboratories — Marketing Organization

2010s

  1. Jan 1, 2016

    Earliest Phase 3 Sponsor(trial)

  2. Jul 5, 2016

    Aurobindo Pharma — Marketing Organization

  3. Aug 1, 2019

    Micro Labs Ltd India — Marketing Organization

2020s

  1. Nov 27, 2020

    RiconPharma — Marketing Organization

  2. Nov 27, 2020

    Novast Labs — Marketing Organization

  3. Nov 27, 2020

    Ingenus Pharmaceuticals — Marketing Organization

  4. Dec 1, 2023

    Jubilant Innovation Ltd. — Marketing Organization

  5. Mar 10, 2025

    Zydus Discovery DMCC — Marketing Organization

Indications

Mechanism of action

  • DNAINHIBITOR

    DNA inhibitor

    Causes cross-linking of proteins and nucleic acids (PMID: 9880479).

Approval history

  • approvedJul 5, 1967

Chemistry & pharmacology

Loading structure…

SMILES

C1N2CN3CN1CN(C2)C3
Mol. weight
140.1863 g/mol
Lipinski Ro5
Pass
Rule of 3
No
Chirality
Achiral Molecule
Inorganic
No
Polymer
No
Delivery
Oral
Availability
Prescription Only

Oral

Yes

Parenteral

No

Topical

No

Sources

Also known as

  • 1,3,5,7-tetraazatricyclo[3.3.1.13,7]decane
  • 1,3,5,7-tetraazatricyclo[3.3.1.13,7]decane
  • 3m brand 1 of methenamine hippurate
  • 3m brand 2 of methenamine hippurate
  • e239
  • e239
  • hexamethylenamine
  • hexamethylenamine
  • hexamethylenamine
  • hexamethylenamine
  • hexamethylenetetramine
  • hexamethylenetetramine
  • hexamethylenetetramine
  • hexamethylenetetramine
  • hexamethylenetetramine
  • hexamethylenetetramine
  • hexamethylenetetramine
  • hexamethylene tetramine
  • hexamethylene tetramine
  • hexamethylene tetramine hippurate
  • hexamethylenetetramine hippurate
  • hexamethylenetetramine hippuric acid complex
  • hexamethylentetramin
  • hexamethylentetramin
  • hexamethylentetraminum
  • hexamethylentetraminum
  • hexamine
  • hexamine
  • hexamine
  • hexamine
  • hexamine hippurate
  • hexamine hippurate
  • hexamine hippurate
  • hexaminum
  • hexaminum
  • hiprex
  • hiprex
  • hiprex
  • hip-rex
  • hmt
  • hmt
  • hmta
  • hmta
  • metenamina
  • metenamina
  • methenamin
  • methenamine
  • methenamine
  • methenamine
  • methenamine
  • methenamine
  • methenamine
  • methenamine
  • méthénamine
  • méthénamine
  • methenamine hippurate
  • methenamine hippurate
  • methenamine hippurate
  • methenamine hippurate
  • methenamine hippurate
  • methenamine hippurate
  • methenaminum
  • methenaminum
  • united drug brand of methenamine hippurate
  • urex
  • urex
  • urex
  • urex
  • urex
  • uritone
  • uritone
  • urotractan
  • urotropin
  • urotropin

Clinical trials

NCT IDPhaseStart dateSponsor(s)
NCT04709601Phase 4Jan 4, 2021The University of Texas, Dallas
NCT03077711Phase 4Jun 1, 2016University of Chicago
NCT01657448Phase 3Jan 1, 2016EMS S/A
NCT02430246N/AJan 1, 2016Emek Medical Center, Technion University
NCT02358993N/ADec 1, 2014University of Pennsylvania
Showing 5 of 5 trials
Page 1 / 1

Organizations

Research & Development (6)

OrganizationOrg typeTrialsAs lead sponsorPhasesEarliest year
Emek Medical CenterAcademic/Hospital1112016
EMS S/AFor profit1112016
Technion UniversityAcademic/Hospital1012016
The University of Texas, DallasAcademic/Hospital1112021
University of ChicagoAcademic/Hospital1112016
University of PennsylvaniaAcademic/Hospital1112014
6 organizations
Page 1 / 1

Marketing (16)

OrganizationOrg typeRelationshipDate
3MFor profitNDA
AlvogenFor profitMKTGJul 5, 1967
AlvogenFor profitNDA2Jul 5, 1967
Aurobindo PharmaFor profitMKTGJul 5, 2016
County LineFor profitNDA2Jul 5, 1967
ESJAY PHARMAFor profitMKTGSep 9, 1976
Impax LaboratoriesFor profitMKTGJun 20, 2003
Ingenus PharmaceuticalsFor profitMKTGNov 27, 2020
Jubilant Innovation Ltd.For profitMKTGDec 1, 2023
Micro Labs Ltd IndiaFor profitMKTGAug 1, 2019
Novast LabsFor profitMKTGNov 27, 2020
Quagen PharmaFor profitMKTGJul 5, 1967
RiconPharmaFor profitMKTGNov 27, 2020
Validus PharmaceuticalsFor profitMKTGSep 9, 1976
Validus PharmaceuticalsFor profitNDA2Sep 9, 1976
Zydus Discovery DMCCFor profitMKTGMar 10, 2025