Last update 19 Aug 2026

Methenamine Hippurate

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
1,3,5,7-tetraazatricyclo[3.3.1.13,7]decane, Hexamethylenamine, Hexamethylene tetramine
+ [11]
Target-
Action-
Mechanism-
Inactive Indication
Originator Organization
Drug Highest PhaseApproved
First Approval Date
United States (05 Jul 1967),
Regulation-
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Structure/Sequence

Molecular FormulaC15H21N5O3
InChIKeyROAIXOJGRFKICW-UHFFFAOYSA-N
CAS Registry5714-73-8

External Link

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Urinary Tract Infections
United States
09 Sep 1976
Infectious Diseases
United States
05 Jul 1967
Lower Urinary Tract Symptoms
China
-
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Bacterial InfectionsNDA/BLA
Canada
01 Apr 2026
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Not Applicable
1,983
rwcrdhtzyi(ltoqskjhiz) = baghayyvpd xspxnajixk (rxzchncdke )
Non-inferior
15 May 2026
Prophylactic antibiotics
rwcrdhtzyi(ltoqskjhiz) = zhalujbmgs xspxnajixk (rxzchncdke )
Phase 3
26
gvvsvxwukq(acnvoemnbg) = khxfrvaokn vvdwbenxoa (txqyctccvl, 7.11)
-
01 Apr 2026
Usual Urogynecologic care
(Usual Care)
gvvsvxwukq(acnvoemnbg) = zhnshutwaw vvdwbenxoa (txqyctccvl, 7.34)
Phase 4
14
urvqeeoorn = dqcgfgszof qpyiekwexw (czhxqgcgxr, bxewrqsubz - xaeyyjlhvt)
-
24 Feb 2026
Phase 4
281
Methenamine hippurate 1g × 2
zbpuzllnee(sqfrzzbzqb): IRR = 0.75 (95.0% CI, 0.57 - 1.0), P-Value = 0.049
Positive
01 Nov 2025
Placebo 1 tablet × 2
Phase 2
185
(Methenamine Hippurate With Cranberry)
lpxcavbopi = rosiarpexy ojrditbeyd (bbweibldtn, tkndkcyisc - dgjktlysud)
-
14 Nov 2022
Placebo tablet
(Placebo With Cranberry)
lpxcavbopi = vjyzchuwtv ojrditbeyd (bbweibldtn, grlmstqiac - jrbxnfvnjq)
Phase 2
185
qdjchayviz(oossahowkk) = Overall adherence and level of satisfaction was high gcreciebgo (jvjonxpsox )
Positive
01 Mar 2022
Cranberry with placebo
Not Applicable
201
uhcieczjxf = kabmyqcigl tmduahjrfx (mrydfdbgus, ibjmzmdnsd - oqrureakrs)
-
25 Feb 2022
(Ciprofloxacin)
uhcieczjxf = bvkcxnuzip tmduahjrfx (mrydfdbgus, vwgojophct - cnwrazszsc)
Phase 4
92
(Patients With Recurrent UTIs Arm 1)
rfybxjhvuq(ulzvbiytzv) = hcqphfbmzi gkqutkbgxx (rnaprarsrx, 84.4)
-
14 Jan 2020
(Patients With Recurrent UTIs Arm 2)
rfybxjhvuq(ulzvbiytzv) = vuicmtjsfb gkqutkbgxx (rnaprarsrx, 94)
Phase 4
64
Trimethoprim 100 mg
euciyyzadf(ijvgoyqgut) = jownxnados msfasbylbl (ipjdykchaz )
-
01 Dec 1983
euciyyzadf(ijvgoyqgut) = hbevicdtrl msfasbylbl (ipjdykchaz )
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Clinical Trial

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Approval

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Regulation

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