Page last updated: 2024-11-05

methenamine mandelate

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Description

Methenamine mandelate is a urinary antiseptic medication used to treat urinary tract infections. It works by releasing formaldehyde in the acidic environment of the urine, which has antibacterial properties. Methenamine mandelate is typically used for long-term prevention of urinary tract infections, especially in people with recurrent infections or who are at high risk of developing infections. The medication is often used in combination with other antibiotics. Methenamine mandelate is synthesized by reacting methenamine with mandelic acid. The resulting compound is a white, crystalline powder that is readily soluble in water. Research on methenamine mandelate focuses on its efficacy in treating urinary tract infections, its potential side effects, and its interactions with other medications. The compound is generally well-tolerated, but can cause some side effects, such as nausea, vomiting, and abdominal pain. Methenamine mandelate should be used with caution in people with kidney disease, as it can accumulate in the body and cause toxicity.'

methenamine mandelate: 'Reflux' is Dagra brand name which is not kept as term due to low use and other meanings of the term [Medical Subject Headings (MeSH), National Library of Medicine, extracted Dec-2023]

Cross-References

ID SourceID
PubMed CID11478
CHEMBL ID3833312
SCHEMBL ID3645
MeSH IDM0079831

Synonyms (74)

Synonym
methenamine mandelate
mandelate, hexamethylenetetra-amine-
hexamethylenetetramine mandelate
587-23-5
D00856
mandelamine (tn)
hexamine mandelate (jan)
methenamine mandelate (usp)
AKOS024319335
mandelic acid, compd with hexamethylenetetramine
einecs 229-817-2
hexamethylenetetramine, mandelate
6754-75-2
benzeneacetic acid, alpha-hydroxy-, compd with 1,3,5,7-tetraazatricyclo(3.3.1.1(3,7))decane
glycolic acid, compound with 1,3,5,7-tetraazatricyclo(3.3.1.13,7)decane
mandelic acid salt with (ch2)6n4
ai3-50130
hexamethylenetetramine phenylglycolate
uro-cedulamin
1,3,5,7-tetraazatricyclo(3.3.1.1(3,7))decane, mono(alpha-hydroxybenzeneacetate)
hexamethyleneamine mandelate
diuramine
mandoz
uronamin
mandastat
reflux
mandelic acid methenamine salt
mandopan
hexamine mandelate
prov-u-sep
mandurin
renelate
unii-695n30cinr
mandalay
cedulamin
hexamethylenetetramine monomandelate
mandural
mantropine
695n30cinr ,
einecs 209-597-4
mandacon
penelate
hexamethylenetetramine mono-(+-)-mandelate
uronamine
uromandelin
methenamine mandelate [usp]
hexydaline
FT-0603481
hexamine mandelate [jan]
methenamine mandelate [green book]
methenamine mandelate [who-dd]
methenamine mandelate [usp-rs]
hexamethylenetetramine mono-(+/-)-mandelate
methenamine mandelate [vandf]
methenamine mandelate [mart.]
hexamethylenamine mandelate
methenamine mandelate [usp monograph]
methenamine mandelate [mi]
SCHEMBL3645
CHEMBL3833312
methenamine mandelate, united states pharmacopeia (usp) reference standard
hydroxy(phenyl)acetic acid compound with 1,3,5,7-tetraazatricyclo[3.3.1.1~3,7~]decane (1:1)
methenaminemandelate
19442-87-6
DTXSID40941180
hydroxy(phenyl)acetic acid--1,3,5,7-tetraazatricyclo[3.3.1.1~3,7~]decane (1/1)
2-hydroxy-2-phenylacetic acid;1,3,5,7-tetrazatricyclo[3.3.1.13,7]decane
BCP32164
hexamethylenetetramine mandelate pound>>hexamine mandelate
Q27264316
benzeneacetic acid, alpha-hydroxy-, (+/-)-, compd. with 1,3,5,7-tetraazatricyclo((3.3.1.1(sup 3,7))decane (1:1)
methenamine mandelate (usp-rs)
methenamine mandelate (usp monograph)
methenamine mandelate (mart.)
[information is derived through text-mining from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Research

Studies (33)

TimeframeStudies, This Drug (%)All Drugs %
pre-199029 (87.88)18.7374
1990's1 (3.03)18.2507
2000's2 (6.06)29.6817
2010's1 (3.03)24.3611
2020's0 (0.00)2.80
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Market Indicators

Research Demand Index: 45.61

According to the monthly volume, diversity, and competition of internet searches for this compound, as well the volume and growth of publications, there is estimated to be strong demand-to-supply ratio for research on this compound.

MetricThis Compound (vs All)
Research Demand Index45.61 (24.57)
Research Supply Index3.56 (2.92)
Research Growth Index4.38 (4.65)
Search Engine Demand Index67.44 (26.88)
Search Engine Supply Index1.99 (0.95)

This Compound (45.61)

All Compounds (24.57)

Study Types

Publication TypeThis drug (%)All Drugs (%)
Trials1 (3.03%)5.53%
Reviews1 (3.03%)6.00%
Case Studies0 (0.00%)4.05%
Observational0 (0.00%)0.25%
Other31 (93.94%)84.16%
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Clinical Trials (10)

Trial Overview

TrialPhaseEnrollmentStudy TypeStart DateStatus
Prospective Randomized Study to Compare Clinical Outcomes in Patients With Osteomyelitis Treated With Intravenous Antibiotics Versus Intravenous Antibiotics With an Early Switch to Oral Antibiotics [NCT02099240]Early Phase 111 participants (Actual)Interventional2014-03-06Terminated(stopped due to Not enough patient enrollment and lack of staffing)
Clinical Assessment of Urinary Antiseptics Methenamine and Methylthioninium in Recurrent Cystitis [NCT03379389]Phase 4284 participants (Actual)Interventional2018-03-31Completed
Methenamine Hippurate Versus Trimethoprim in the Prevention of Recurrent UTIs [NCT03077711]Phase 492 participants (Actual)Interventional2016-06-30Completed
Probiotics/Lactobacillus as a Prophylactic Aid in Recurrent Bacterial Cystitis in Women. A Randomized, Prospective, Double-Blinded, Placebo Controlled, Multi-Center Study. [NCT00781625]120 participants (Anticipated)Interventional2008-10-31Recruiting
The Efficacy and Cost-effectiveness of a 24-hour Course of metheNamine Hippurate for Preventing Post-Operative Urinary Tract Infection [NCT02358993]201 participants (Actual)Interventional2014-12-31Completed
Methenamine Hippurate With Cranberry Capsules Versus Cranberry Capsules Alone for UTI Prevention in a Short-term Indwelling Foley Catheter Population After Urogynecological Surgery: A Double-Blinded Randomized Controlled Trial [NCT03818321]Phase 2185 participants (Actual)Interventional2019-06-17Completed
A Multidisciplinary, Multimodal Bundled Care Approach to Chronic Pelvic Pain [NCT05658874]Phase 380 participants (Anticipated)Interventional2022-12-01Recruiting
Phase III, Prospective, Multicenter, Single-blind, Randomized, Superiority to Evaluate the Efficacy and Safety of Methenamine Association 250mg + Methylthioninium Chloride 20 mg Compared to Phenazopyridine 100 mg in Symptomatic Control of Dysuria [NCT01657448]Phase 3316 participants (Actual)Interventional2016-06-27Completed
The Efficacy and Effect of Methenamine Hippurate in a Non-antibiotic, Multimodal Approach to UTI Prevention [NCT03996057]Phase 40 participants (Actual)Interventional2018-06-20Withdrawn(stopped due to "Project canceled due to PI leaving institution, staff changes and COVID~Project canceled for other reason , describe: - Due to staff changes and COVID~Project canceled due to PI leaving, staff changes and COVID")
The Effect of Methenamine Hippurate to Reduce Antibiotic Prescribing Due to New Episodes of Urinary Tract Infections (UTI) in Elderly Women With Recurrent UTI - a Triple- Blinded, Randomized Placebo-controlled Phase IV Study [NCT04077580]Phase 4400 participants (Anticipated)Interventional2019-11-01Enrolling by invitation
[information is prepared from clinicaltrials.gov, extracted Sep-2024]

Trial Outcomes

TrialOutcome
NCT02358993 (5) [back to overview]Antibiotic Resistance of Culture-positive Symptomatic UTI
NCT02358993 (5) [back to overview]Number of Participants With Culture-positive Symptomatic UTI
NCT02358993 (5) [back to overview]Rate of UTI Consistent With NHSN Criteria
NCT02358993 (5) [back to overview]Treatment of Clinically Suspected UTI - Per Protocol
NCT02358993 (5) [back to overview]Treatment of Clinically Suspected UTI - Using Intent to Treat Analysis
NCT03077711 (5) [back to overview]Morisky Medication Adherence Survey
NCT03077711 (5) [back to overview]Number of Infections
NCT03077711 (5) [back to overview]Recurrent UTI
NCT03077711 (5) [back to overview]Time to Subsequent Infection as Defined From Time of Treatment Initiation to Recurrence of UTI
NCT03077711 (5) [back to overview]Bacterial Infection Prevalence and Types
NCT03818321 (1) [back to overview]Incidence of Urinary Track Infection (UTI)

Antibiotic Resistance of Culture-positive Symptomatic UTI

All patients who submit urine cultures that are positive will have sensitivities performed as per standard care. The prevalence of bacterial species and sensitivities will be collected (NCT02358993)
Timeframe: 3 weeks post-operative

InterventionParticipants (Count of Participants)
Methenamine0
Ciprofloxacin0

[back to top]

Number of Participants With Culture-positive Symptomatic UTI

All patients will be encouraged to submit urine cultures prior to treatment, but this is not always possible. Amongst patients who undergo urine culture as part of standard of care for UTI, the rate of positive cultures will be identified. (NCT02358993)
Timeframe: 3 weeks post-operative

InterventionParticipants (Count of Participants)
Methenamine5
Ciprofloxacin4

[back to top]

Rate of UTI Consistent With NHSN Criteria

We plan to analyze the prevalence of UTI in this population that meet the definitions of symptomatic UTI and catheter-associated UTI according to the National Healthcare Safety Network criteria. (NCT02358993)
Timeframe: 3 weeks post-operative

InterventionParticipants (Count of Participants)
Methenamine10
Ciprofloxacin6

[back to top]

Treatment of Clinically Suspected UTI - Per Protocol

This is defined as any symptomatic UTI requiring treatment with antibiotics as determined by the development of 2 or more of the following symptoms, in the absence of vaginal symptoms: urinary frequency; urinary urgency; dysuria; fever over 38oC/100.4oF; suprapubic, flank, or back pain; and/or chills. (NCT02358993)
Timeframe: 3 weeks post-operative

InterventionParticipants (Count of Participants)
Methenamine12
Ciprofloxacin12

[back to top]

Treatment of Clinically Suspected UTI - Using Intent to Treat Analysis

This is defined as any symptomatic UTI requiring treatment with antibiotics as determined by the development of 2 or more of the following symptoms, in the absence of vaginal symptoms: urinary frequency; urinary urgency; dysuria; fever over 38oC/100.4oF; suprapubic, flank, or back pain; and/or chills. (NCT02358993)
Timeframe: 3 weeks post-operative

InterventionParticipants (Count of Participants)
Methenamine13
Ciprofloxacin12

[back to top]

Morisky Medication Adherence Survey

Morisky Medication Adherence Scale-8 (MMAS-8). Patient tolerability of medications using a tolerability survey. Minimum and maximum scores are 0 and 8 respectively. 0 means no adherence and 8 is maximal adherence. Low adherence corresponds to a score less than 6, medium adherence is between 6 and <8, and 8 is high adherence. (NCT03077711)
Timeframe: up to 12 months

Interventionunits on a scale (Mean)
Patients With Recurrent UTIs Arm 17.28
Patients With Recurrent UTIs Arm 26.94

[back to top]

Number of Infections

The number of infections at a 12 month follow up time period as defined by symptoms and positive urine culture. (NCT03077711)
Timeframe: up to 12 months

Interventionurinary tract infections (Mean)
Patients With Recurrent UTIs Arm 11.5
Patients With Recurrent UTIs Arm 21.6

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Recurrent UTI

The number of patient who had a recurrence of UTI within 12 months (NCT03077711)
Timeframe: up to 12 months

InterventionParticipants (Count of Participants)
Patients With Recurrent UTIs Arm 128
Patients With Recurrent UTIs Arm 228

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Time to Subsequent Infection as Defined From Time of Treatment Initiation to Recurrence of UTI

Patients will be advised to follow up with any symptoms of a recurrence or at 6 and 12 month intervals if symptom-free. (NCT03077711)
Timeframe: up to 12 months

Interventiondays (Mean)
Patients With Recurrent UTIs Arm 1101
Patients With Recurrent UTIs Arm 2119

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Bacterial Infection Prevalence and Types

Urine cultures and sensitivities for positive urine cultures (NCT03077711)
Timeframe: up to 12 months

,
Interventioninfections (Number)
Escherichia coliKlebsiella pneumoniaEnterococcus faecalisExtended spectrum beta lactamase Escherichia coliOther bacteriaStrains pan sensitive to all antibioticsStrains resistant to trimethoprimStrains resistant to abx other than trimethoprim
Patients With Recurrent UTIs Arm 14311361555810
Patients With Recurrent UTIs Arm 25069912203029

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Incidence of Urinary Track Infection (UTI)

Incidence of UTIs will be diagnosed at one week post-op visit. (NCT03818321)
Timeframe: From surgery to one week post-op visit, approximately 1 week post surgery

InterventionParticipants (Count of Participants)
Methenamine Hippurate With Cranberry62
Placebo With Cranberry71

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