Drugs / L-NMMA
last change Aug 2026 re-read 2 minutes ago

L-NMMA

Developed for
triple-negative breast carcinoma · autosomal dominant polycystic kidney disease · cardiogenic shock · chronic obstructive pulmonary disease · classic Hodgkin lymphoma · congestive heart failure · DNA repair disease · glomerulonephritis
+8 more · head and neck squamous cell carcinoma · heart failure · melanoma · metabolic syndrome X · metaplastic breast carcinoma · non-small cell lung carcinoma · pulmonary arterial hypertension · urothelial carcinoma
Investigated by
National Heart, Lung, and Blood Institute (NHLBI) · Regional Hospital Holstebro · Vanderbilt University · National Institutes of Health (NIH) · National Institutes of Health Clinical Center (CC) · The Methodist Hospital Research Institute
+26 more · American Diabetes Association · Medical University of Vienna · University of Wisconsin, Madison · Aarhus University Hospital · American Heart Association · Arginox Pharmaceuticals · Brigham and Women's Hospital · Crystal A. Gadegbeku · Emory University · Mayo Clinic · NHS Lothian · National Center for Research Resources (NCRR) · National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) · National Institute on Aging (NIA) · New York Medical College · Novartis Pharmaceuticals · Radboud University Medical Center · Russell Richardson · Technical University Dresden · The University of Texas Medical Branch, Galveston · Umeå University · University Hospital, Grenoble · University of Edinburgh · University of Michigan · Vanderbilt University Medical Center · ZonMw: The Netherlands Organisation for Health Research and Development

Trials 37 · a red edge is where a trial was stopped

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 01 trial
Phase 0 NCT01791816 Feb 2013 → Dec 2022 postural orthostatic tachycardia syndrome, syncope, familial vasovagal New York Medical College Completed No outcome recorded
Phase 117 trials
Phase 1 NCT03066115 Dec 2020 → Dec 2021 University of Wisconsin, Madison Withdrawn No outcome recorded
Phase 1 NCT03236935 Aug 2018 → Oct 2021 DNA repair disease, classic Hodgkin lymphoma, head and neck squamous cell carcinoma, melanoma +2 The Methodist Hospital Research Institute Completed No outcome recorded
Phase 1 NCT02936687 Jan 2017 → Jul 2021 metabolic syndrome X University of Wisconsin, Madison Completed No outcome recorded
Phase 1 NCT01860911 Apr 2013 → Aug 2016 obesity disorder Mayo Clinic Completed No outcome recorded
Phase 1 NCT01122407 Jan 2010 → Nov 2016 hypertensive disorder, obesity disorder Vanderbilt University Medical Center Completed No outcome recorded
Phase 1 NCT02966665 Sep 2008 → Aug 2026 overdue chronic obstructive pulmonary disease, heart failure, pulmonary arterial hypertension Russell Richardson Recruiting No outcome recorded
Phase 1 NCT00580619 Apr 2007 → Jan 2017 myalgic encephalomeyelitis/chronic fatigue syndrome, orthostatic hypotension, postural orthostatic tachycardia syndrome Vanderbilt University Completed No outcome recorded
Phase 1 NCT00327080 May 2006 → Mar 2009 HIV infectious disease National Heart, Lung, and Blood Institute (NHLBI) Terminated No outcome recorded
Phase 1 NCT00690534 Sep 2005 → Aug 2012 muscular atrophy The University of Texas Medical Branch, Galveston Completed No outcome recorded
Phase 1 NCT00095472 Nov 2004 → Aug 2007 sickle cell disease National Heart, Lung, and Blood Institute (NHLBI) Completed No outcome recorded
Phase 1/21 trial
Phase 1/2 NCT02834403 Nov 2016 → Jan 2021 triple-negative breast carcinoma The Methodist Hospital Research Institute Completed No outcome recorded
Phase 27 trials
Phase 2 NCT05660083 Jan 2023 → Dec 2026 expected metaplastic breast carcinoma, triple-negative breast carcinoma The Methodist Hospital Research Institute Recruiting No outcome recorded
Phase 2 NCT00406731 Jan 2008 → Nov 2014 Medical University of Vienna Withdrawn No outcome recorded
Phase 2 NCT00508989 Jul 2007 → Dec 2010 sickle cell disease National Heart, Lung, and Blood Institute (NHLBI) Completed No outcome recorded
Phase 2 NCT00048477 Oct 2002 → Nov 2003 National Heart, Lung, and Blood Institute (NHLBI) Completed No outcome recorded
Phase 2 NCT00166166 Jul 2002 → Jan 2013 hyperlipidemia Emory University Terminated No outcome recorded
Phase 2 NCT00431392 Sep 2001 → ? Medical University of Vienna Completed No outcome recorded
Phase 2 NCT00009581 Jan 2001 → Jan 2003 sickle cell disease National Institutes of Health Clinical Center (CC) Completed No outcome recorded
Phase 31 trial
Phase 3 NCT00112281 May 2005 → Jan 2007 cardiogenic shock Arginox Pharmaceuticals Terminated No outcome recorded
Phase 42 trials
Phase 4 NCT01701973 Jan 2013 → May 2017 obesity disorder Vanderbilt University Completed No outcome recorded
Phase 4 NCT00410085 Jan → Nov 2005 obstructive sleep apnea syndrome Regional Hospital Holstebro Completed No outcome recorded
Phase not applicable8 trials
NCT02183779 Jun 2014 → Oct 2016 Raynaud disease University Hospital, Grenoble Unknown No outcome recorded
NCT01617551 Mar 2012 → Mar 2014 essential hypertension Regional Hospital Holstebro Unknown No outcome recorded
NCT01060930 Mar → Jun 2010 University of Edinburgh Completed No outcome recorded
NCT00685945 Dec 2007 → Jan 2009 obesity disorder Vanderbilt University Completed No outcome recorded
NCT00759707 Apr 2006 → Dec 2009 peripheral arterial disease Brigham and Women's Hospital Completed No outcome recorded
NCT00240058 Jul 2005 → Jun 2006 hypertensive disorder Crystal A. Gadegbeku Completed No outcome recorded
NCT00180063 Oct 2003 → Sep 2005 Technical University Dresden Completed No outcome recorded
NCT00178919 Aug 2002 → Aug 2008 hypertensive disorder, pure autonomic failure Vanderbilt University Completed No outcome recorded
Also used as a comparator or background therapy in 7 trials
PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 01 trial
Phase 0 NCT00708357 Background May 2005 → Dec 2009 Medical University of Vienna Terminated No outcome recorded
Phase 2/31 trial
Phase 2/3 NCT03534661 Comparator Sep 2017 → Mar 2019 hyperlipidemia University Health Network, Toronto Completed No outcome recorded
Phase 41 trial
Phase 4 NCT01744236 Background Apr 2013 → Aug 2015 type 2 diabetes mellitus Amsterdam UMC, location VUmc Completed No outcome recorded
Phase not applicable4 trials
NCT00914394 Comparator Oct 2010 → Jul 2011 Medical University of Vienna Terminated No outcome recorded
NCT00806741 Comparator Sep 2009 → Mar 2010 Medical University of Vienna Completed No outcome recorded
NCT00580957 Background Aug 2008 → May 2015 obesity disorder Vanderbilt University Completed No outcome recorded
NCT00431665 Background Jul 1999 → Jun 2000 Medical University of Vienna Completed No outcome recorded

Evidence & citations 7 cited values

Every value below carries the sentence it was read from. 50 sources stand behind the page.

FieldValueCited text
Known as L-NMMA “Then, a research medication, L-NMMA, which blocks NO in the blood vessel, will be dripped into the same artery followed by another medication nitroprusside, which gives back...” NCT00240058
38

L-NMMA will be infused at 3 mg/kg body weight/hr bolus (over 10min ) followed by a maintenance infusion of 1 mg/kg/hr for the duration of the experiment.” NCT02936687

“The NO synthase inhibitor N(G)-monomethyl-l-arginine (L-NMMA; 0.2 mg x min(-1) x dL(-1) intra-arterially) also restored the norepinephrine sensitivity.” PMID 16864730 Jul 2006

“INTERVENTION: Tilarginine (L-N(G)-monomethylarginine [L-NMMA]), 1-mg/kg bolus and 1-mg/kg per hour 5-hour infusion, vs matching placebo.” PMID 17387132 Mar 2007

“Effects of Acute L-NMMA Treatment on Renal Hemodynamics and Vasoactive Hormones in Patients With Congestive Heart Failure” NCT00344734

“NOS inhibition: L - NMMA is a potent non-selective NOS inhibitor used to study vascular physiology.” NCT02936687

“We plan to study this with two drugs -trimethaphan and L-NMMA.” NCT00580957

“L-N^G monomethyl arginine (L-NMMA)” NCT00759707

“NG-monomethyl-L-arginine (L-NMMA)” NCT00806741

“L-Ng-monomethyl Arginine (L-NMMA)” NCT01791816

“NG-monomethyl-L-arginine (L-NMMA)” NCT00406731

“NG-monomethyl-L-arginine (L-NMMA)” NCT00914394

“NG-monomethyl-L-Arginine (L-NMMA)” NCT00431665

“NG-monomethyl-L-arginine (L-NMMA)” NCT01617551

NCT00327080

NCT01744236

NCT02966665

NCT02834403

NCT00508989

NCT00410085

NCT00076414

NCT03534661

NCT05660083

NCT00072826

NCT03236935

NCT00690534

NCT00048477

NCT00178919

NCT03066115

NCT02183779

NCT00095472

NCT00004575

NCT01701973

NCT01122407

NCT00009581

NCT00580619

NCT00685945

NCT01060930

NCT00180063

Known as L-NG-monomethyl arginine “INTERVENTION: Tilarginine (L-N(G)-monomethylarginine [L-NMMA]), 1-mg/kg bolus and 1-mg/kg per hour 5-hour infusion, vs matching placebo.” PMID 17387132 Mar 2007
4

“Intravenous infusion of 3mg/kg L-NMMA (L-NG-monomethyl arginine; NO synthase inhibitor) and nor-epinephrine at 50 ng/kg/min.” NCT01060930

NCT00759707

NCT01791816

NCT00166166

Known as N-monomethyl-L-arginine “Nitric Oxide blockade via infusion of N-monomethyl-L-arginine (L-NMMA) (0.4 mg/kg/min)” NCT02966665
1

“L-NMMA (N-mono.methyl-L-arginine)” NCT00410085

Known as NG-monomethyl-L-arginine “Measurements were repeated after intra-arterial infusion of tetraethylammonium chloride (TEA; 1 µmol/min), fluconazole (0.4 µmol·min(-1)·l(-1)), and N(G)-monomethyl-L-arginine...” PMID 24925526 Jun 2014
16

“However, we found that AF patients (n=14) were more sensitive to the pressor effects of the NO synthase inhibitor N(G)-monomethyl-l-arginine, suggesting increased NO function...” PMID 18426998 Apr 2008

“Previous studies using an NO synthase inhibitor, NG-monomethyl-L-arginine (L-NMMA) did not fully determine the NO contribution to blood pressure because of baroreflex buffering.” PMID 39090323 Aug 2024

“The NO synthase inhibitor N(G)-monomethyl-l-arginine (L-NMMA; 0.2 mg x min(-1) x dL(-1) intra-arterially) also restored the norepinephrine sensitivity.” PMID 16864730 Jul 2006

“Infusion of NG-monomethyl-L-arginine (L-NMMA; 6.4 µmol/min) into hand veins can cause a 20% increase in vein size in specific subjects.” PMID 21566204 May 2011

“the nitric oxide synthase inhibitor NG-monomethyl-L-arginine (L-NMMA, n=7)” PMID 20484484 May 2010

NCT00806741

NCT00431392

NCT00914394

NCT00344916

NCT00345137

NCT00431665

NCT01860911

NCT00708357

NCT01617551

NCT00344734

NCT00406731

Known as Tilarginine ClinicalTrials.gov intervention name — accepted as the source's own label NCT00112281
Action Inhibit “LNMMA inhibits production of nitric oxide” NCT00004575
Route Other “Small doses of four drugs-bradykinin, sodium nitroprusside, miconazole, and LNMMA-will be given through the arterial catheter” NCT00004575