| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
theophylline
[no description available] | 2.37 | 2 | 0 | dimethylxanthine | adenosine receptor antagonist;
anti-asthmatic drug;
anti-inflammatory agent;
bronchodilator agent;
drug metabolite;
EC 3.1.4.* (phosphoric diester hydrolase) inhibitor;
fungal metabolite;
human blood serum metabolite;
immunomodulator;
muscle relaxant;
vasodilator agent |
aspirin
Aspirin: The prototypical analgesic used in the treatment of mild to moderate pain. It has anti-inflammatory and antipyretic properties and acts as an inhibitor of cyclooxygenase which results in the inhibition of the biosynthesis of prostaglandins. Aspirin also inhibits platelet aggregation and is used in the prevention of arterial and venous thrombosis. (From Martindale, The Extra Pharmacopoeia, 30th ed, p5). acetylsalicylate : A benzoate that is the conjugate base of acetylsalicylic acid, arising from deprotonation of the carboxy group.. acetylsalicylic acid : A member of the class of benzoic acids that is salicylic acid in which the hydrogen that is attached to the phenolic hydroxy group has been replaced by an acetoxy group. A non-steroidal anti-inflammatory drug with cyclooxygenase inhibitor activity. | 2.37 | 2 | 0 | benzoic acids;
phenyl acetates;
salicylates | anticoagulant;
antipyretic;
cyclooxygenase 1 inhibitor;
cyclooxygenase 2 inhibitor;
drug allergen;
EC 1.1.1.188 (prostaglandin-F synthase) inhibitor;
geroprotector;
non-narcotic analgesic;
non-steroidal anti-inflammatory drug;
plant activator;
platelet aggregation inhibitor;
prostaglandin antagonist;
teratogenic agent |
cilostazol
[no description available] | 2.38 | 2 | 0 | lactam;
tetrazoles | anticoagulant;
bronchodilator agent;
EC 3.1.4.17 (3',5'-cyclic-nucleotide phosphodiesterase) inhibitor;
fibrin modulating drug;
neuroprotective agent;
platelet aggregation inhibitor;
vasodilator agent |
cimetidine
Cimetidine: A histamine congener, it competitively inhibits HISTAMINE binding to HISTAMINE H2 RECEPTORS. Cimetidine has a range of pharmacological actions. It inhibits GASTRIC ACID secretion, as well as PEPSIN and GASTRIN output.. cimetidine : A member of the class of guanidines that consists of guanidine carrying a methyl substituent at position 1, a cyano group at position 2 and a 2-{[(5-methyl-1H-imidazol-4-yl)methyl]sulfanyl}ethyl group at position 3. It is a H2-receptor antagonist that inhibits the production of acid in stomach. | 1.97 | 1 | 0 | aliphatic sulfide;
guanidines;
imidazoles;
nitrile | adjuvant;
analgesic;
anti-ulcer drug;
H2-receptor antagonist;
P450 inhibitor |
dipyridamole
Dipyridamole: A phosphodiesterase inhibitor that blocks uptake and metabolism of adenosine by erythrocytes and vascular endothelial cells. Dipyridamole also potentiates the antiaggregating action of prostacyclin. (From AMA Drug Evaluations Annual, 1994, p752). dipyridamole : A pyrimidopyrimidine that is 2,2',2'',2'''-(pyrimido[5,4-d]pyrimidine-2,6-diyldinitrilo)tetraethanol substituted by piperidin-1-yl groups at positions 4 and 8 respectively. A vasodilator agent, it inhibits the formation of blood clots. | 1.97 | 1 | 0 | piperidines;
pyrimidopyrimidine;
tertiary amino compound;
tetrol | adenosine phosphodiesterase inhibitor;
EC 3.5.4.4 (adenosine deaminase) inhibitor;
platelet aggregation inhibitor;
vasodilator agent |
1-methyl-3-isobutylxanthine
1-Methyl-3-isobutylxanthine: A potent cyclic nucleotide phosphodiesterase inhibitor; due to this action, the compound increases cyclic AMP and cyclic GMP in tissue and thereby activates CYCLIC NUCLEOTIDE-REGULATED PROTEIN KINASES. 3-isobutyl-1-methylxanthine : An oxopurine that is xanthine which is substituted at positions 1 and 3 by methyl and isobutyl groups, respectively. | 2.66 | 3 | 0 | 3-isobutyl-1-methylxanthine | |
milrinone
[no description available] | 1.97 | 1 | 0 | bipyridines;
nitrile;
pyridone | cardiotonic drug;
EC 3.1.4.17 (3',5'-cyclic-nucleotide phosphodiesterase) inhibitor;
platelet aggregation inhibitor;
vasodilator agent |
papaverine
Papaverine: An alkaloid found in opium but not closely related to the other opium alkaloids in its structure or pharmacological actions. It is a direct-acting smooth muscle relaxant used in the treatment of impotence and as a vasodilator, especially for cerebral vasodilation. The mechanism of its pharmacological actions is not clear, but it apparently can inhibit phosphodiesterases and it may have direct actions on calcium channels.. papaverine : A benzylisoquinoline alkaloid that is isoquinoline substituted by methoxy groups at positions 6 and 7 and a 3,4-dimethoxybenzyl group at position 1. It has been isolated from Papaver somniferum. | 3.48 | 2 | 0 | benzylisoquinoline alkaloid;
dimethoxybenzene;
isoquinolines | antispasmodic drug;
vasodilator agent |
propranolol
Propranolol: A widely used non-cardioselective beta-adrenergic antagonist. Propranolol has been used for MYOCARDIAL INFARCTION; ARRHYTHMIA; ANGINA PECTORIS; HYPERTENSION; HYPERTHYROIDISM; MIGRAINE; PHEOCHROMOCYTOMA; and ANXIETY but adverse effects instigate replacement by newer drugs.. propranolol : A propanolamine that is propan-2-ol substituted by a propan-2-ylamino group at position 1 and a naphthalen-1-yloxy group at position 3. | 1.97 | 1 | 0 | naphthalenes;
propanolamine;
secondary amine | anti-arrhythmia drug;
antihypertensive agent;
anxiolytic drug;
beta-adrenergic antagonist;
environmental contaminant;
human blood serum metabolite;
vasodilator agent;
xenobiotic |
sulmazole
sulmazole: structure given in first source. sulmazole : An imidazopyridine that is 1H-imidazo[4,5-b]pyridine which is substituted at position 2 by a 2-methoxy-4-(methylsulfinyl)phenyl group. An A1 adenosine receptor antagonist, it was formerly used as a cardiotonic agent. | 1.97 | 1 | 0 | imidazopyridine;
sulfoxide | adenosine A1 receptor antagonist;
cardiotonic drug;
EC 3.1.4.* (phosphoric diester hydrolase) inhibitor |
sulpiride
Sulpiride: A dopamine D2-receptor antagonist. It has been used therapeutically as an antidepressant, antipsychotic, and as a digestive aid. (From Merck Index, 11th ed). sulpiride : A member of the class of benzamides obtained from formal condensation between the carboxy group of 2-methoxy-5-sulfamoylbenzoic acid and the primary amino group of (1-ethylpyrrolidin-2-yl)methylamine. | 1.97 | 1 | 0 | benzamides;
N-alkylpyrrolidine;
sulfonamide | antidepressant;
antiemetic;
antipsychotic agent;
dopaminergic antagonist |
ticlopidine
Ticlopidine: An effective inhibitor of platelet aggregation commonly used in the placement of STENTS in CORONARY ARTERIES.. ticlopidine : A thienopyridine that is 4,5,6,7-tetrahydrothieno[3,2-c]pyridine in which the hydrogen attached to the nitrogen is replaced by an o-chlorobenzyl group. | 1.97 | 1 | 0 | monochlorobenzenes;
thienopyridine | anticoagulant;
fibrin modulating drug;
hematologic agent;
P2Y12 receptor antagonist;
platelet aggregation inhibitor |
phentolamine
Phentolamine: A nonselective alpha-adrenergic antagonist. It is used in the treatment of hypertension and hypertensive emergencies, pheochromocytoma, vasospasm of RAYNAUD DISEASE and frostbite, clonidine withdrawal syndrome, impotence, and peripheral vascular disease.. phentolamine : A substituted aniline that is 3-aminophenol in which the hydrogens of the amino group are replaced by 4-methylphenyl and 4,5-dihydro-1H-imidazol-2-ylmethyl groups respectively. An alpha-adrenergic antagonist, it is used for the treatment of hypertension. | 1.97 | 1 | 0 | imidazoles;
phenols;
substituted aniline;
tertiary amino compound | alpha-adrenergic antagonist;
vasodilator agent |
adenosine diphosphate
Adenosine Diphosphate: Adenosine 5'-(trihydrogen diphosphate). An adenine nucleotide containing two phosphate groups esterified to the sugar moiety at the 5'-position. | 2.39 | 2 | 0 | adenosine 5'-phosphate;
purine ribonucleoside 5'-diphosphate | fundamental metabolite;
human metabolite |
quinazolines
Quinazolines: A group of aromatic heterocyclic compounds that contain a bicyclic structure with two fused six-membered aromatic rings, a benzene ring and a pyrimidine ring.. quinazoline : A mancude organic heterobicyclic parent that is naphthalene in which the carbon atoms at positions 1 and 3 have been replaced by nitrogen atoms.. quinazolines : Any organic heterobicyclic compound based on a quinazoline skeleton and its substituted derivatives. | 5.56 | 23 | 0 | azaarene;
mancude organic heterobicyclic parent;
ortho-fused heteroarene;
quinazolines | |
aminophylline
Aminophylline: A drug combination that contains THEOPHYLLINE and ethylenediamine. It is more soluble in water than theophylline but has similar pharmacologic actions. It's most common use is in bronchial asthma, but it has been investigated for several other applications.. aminophylline : A mixture comprising of theophylline and ethylenediamine in a 2:1 ratio. | 1.97 | 1 | 0 | mixture | bronchodilator agent;
cardiotonic drug |
colforsin
Colforsin: Potent activator of the adenylate cyclase system and the biosynthesis of cyclic AMP. From the plant COLEUS FORSKOHLII. Has antihypertensive, positive inotropic, platelet aggregation inhibitory, and smooth muscle relaxant activities; also lowers intraocular pressure and promotes release of hormones from the pituitary gland. | 2.7 | 3 | 0 | acetate ester;
cyclic ketone;
labdane diterpenoid;
organic heterotricyclic compound;
tertiary alpha-hydroxy ketone;
triol | adenylate cyclase agonist;
anti-HIV agent;
antihypertensive agent;
plant metabolite;
platelet aggregation inhibitor;
protein kinase A agonist |
dazoxiben
dazoxiben: RN given refers to parent cpd | 1.97 | 1 | 0 | | |
piroximone
piroximone: structure in first source | 1.97 | 1 | 0 | | |
adenosine
quinquefolan B: isolated from roots of Panax quinquefolium L.; RN not in Chemline 10/87; RN from Toxlit | 1.99 | 1 | 0 | adenosines;
purines D-ribonucleoside | analgesic;
anti-arrhythmia drug;
fundamental metabolite;
human metabolite;
vasodilator agent |
quin2-acetoxymethyl ester
Quin2-acetoxymethyl ester: structure given in first source | 1.96 | 1 | 0 | | |
atropine
tropan-3alpha-yl 3-hydroxy-2-phenylpropanoate : A tropane alkaloid that is (1R,5)-8-methyl-8-azabicyclo[3.2.1]octane substituted by a (3-hydroxy-2-phenylpropanoyl)oxy group at position 3. | 1.97 | 1 | 0 | | |
prostaglandin d2
Prostaglandin D2: The principal cyclooxygenase metabolite of arachidonic acid. It is released upon activation of mast cells and is also synthesized by alveolar macrophages. Among its many biological actions, the most important are its bronchoconstrictor, platelet-activating-factor-inhibitory, and cytotoxic effects.. prostaglandin D2 : A member of the class of prostaglandins D that is prosta-5,13-dien-1-oic acid substituted by hydroxy groups at positions 9 and 15 and an oxo group at position 11 (the 5Z,9alpha,13E,15S- stereoisomer). | 1.98 | 1 | 0 | prostaglandins D | human metabolite;
mouse metabolite |
4,5-dihydro-6-(4-(imidazol-1-yl)phenyl)-5-methyl-3(2h)-pyridazinone
4,5-dihydro-6-(4-(imidazol-1-yl)phenyl)-5-methyl-3(2H)-pyridazinone: RN & structure given in first source | 1.97 | 1 | 0 | | |
dinoprostone
prostaglandin E2 : Prostaglandin F2alpha in which the hydroxy group at position 9 has been oxidised to the corresponding ketone. Prostaglandin E2 is the most common and most biologically potent of mammalian prostaglandins. | 2.41 | 2 | 0 | prostaglandins E | human metabolite;
mouse metabolite;
oxytocic |
alprostadil
[no description available] | 1.97 | 1 | 0 | prostaglandins E | anticoagulant;
human metabolite;
platelet aggregation inhibitor;
vasodilator agent |
thromboxane b2
Thromboxane B2: A stable, physiologically active compound formed in vivo from the prostaglandin endoperoxides. It is important in the platelet-release reaction (release of ADP and serotonin).. thromboxane B2 : A member of the class of thromboxanes B that is (5Z,13E)-thromboxa-5,13-dien-1-oic acid substituted by hydroxy groups at positions 9, 11 and 15. | 1.97 | 1 | 0 | thromboxanes B | human metabolite;
mouse metabolite |
iloprost
Iloprost: An eicosanoid, derived from the cyclooxygenase pathway of arachidonic acid metabolism. It is a stable and synthetic analog of EPOPROSTENOL, but with a longer half-life than the parent compound. Its actions are similar to prostacyclin. Iloprost produces vasodilation and inhibits platelet aggregation.. iloprost : A carbobicyclic compound that is prostaglandin I2 in which the endocyclic oxygen is replaced by a methylene group and in which the (1E,3S)-3-hydroxyoct-1-en-1-yl side chain is replaced by a (3R)-3-hydroxy-4-methyloct-1-en-6-yn-1-yl group. A synthetic analogue of prostacyclin, it is used as the trometamol salt (generally by intravenous infusion) for the treatment of peripheral vascular disease and pulmonary hypertension. | 2.39 | 2 | 0 | carbobicyclic compound;
monocarboxylic acid;
secondary alcohol | platelet aggregation inhibitor;
vasodilator agent |
cholecystokinin
Cholecystokinin: A peptide, of about 33 amino acids, secreted by the upper INTESTINAL MUCOSA and also found in the central nervous system. It causes gallbladder contraction, release of pancreatic exocrine (or digestive) enzymes, and affects other gastrointestinal functions. Cholecystokinin may be the mediator of satiety. | 1.97 | 1 | 0 | | |
ristocetin
Ristocetin: An antibiotic mixture of two components, A and B, obtained from Nocardia lurida (or the same substance produced by any other means). It is no longer used clinically because of its toxicity. It causes platelet agglutination and blood coagulation and is used to assay those functions in vitro.. ristocetin : A heterodetic cyclic peptide that is produced by species of Amycolatopsis and Nocardia. | 1.97 | 1 | 0 | glycopeptide;
heterodetic cyclic peptide;
macrocycle;
tetrasaccharide derivative | antibacterial drug;
antimicrobial agent;
bacterial metabolite;
platelet-activating factor receptor agonist |
bucladesine
Bucladesine: A cyclic nucleotide derivative that mimics the action of endogenous CYCLIC AMP and is capable of permeating the cell membrane. It has vasodilator properties and is used as a cardiac stimulant. (From Merck Index, 11th ed). bucladesine : A 3',5'-cyclic purine nucleotide that is the 2'-butanoate ester and 6-N-butanoyl derivative of 3',5'-cyclic AMP. | 1.96 | 1 | 0 | 3',5'-cyclic purine nucleotide | |
phosphatidylinositol 4-phosphate
phosphatidylinositol 4-phosphate : A phosphatidylinositol monophosphate carrying the phosphate group at the 4-position. | 1.96 | 1 | 0 | | |
cyclic gmp
Cyclic GMP: Guanosine cyclic 3',5'-(hydrogen phosphate). A guanine nucleotide containing one phosphate group which is esterified to the sugar moiety in both the 3'- and 5'-positions. It is a cellular regulatory agent and has been described as a second messenger. Its levels increase in response to a variety of hormones, including acetylcholine, insulin, and oxytocin and it has been found to activate specific protein kinases. (From Merck Index, 11th ed). 3',5'-cyclic GMP : A 3',5'-cyclic purine nucleotide in which the purine nucleobase is specified as guanidine. | 1.96 | 1 | 0 | 3',5'-cyclic purine nucleotide;
guanyl ribonucleotide | Escherichia coli metabolite;
human metabolite;
mouse metabolite;
plant metabolite;
Saccharomyces cerevisiae metabolite |
bl 4162a
anagrelide: imidazoquinazoline derivative which lowers platelet count probably by inhibiting thrombopoiesis and reduces platelet aggregation; used for thrombocythemia; structure in first source. anagrelide : A 1,5-dihydroimidazo[2,1-]quinazoline having an oxo substituent at the 2-position and chloro substituents at the 6- and 7-positions. | 2.37 | 2 | 0 | imidazoquinazoline | anticoagulant;
antifibrinolytic drug;
cardiovascular drug;
platelet aggregation inhibitor |
quazinone
[no description available] | 1.97 | 1 | 0 | | |
8-bromocyclic gmp
8-bromo-3',5'-cyclic GMP : A 3',5'-cyclic purine nucleotide that is 3',5'-cyclic GMP bearing an additional bromo substituent at position 8 on the guanine ring. A membrane permeable cGMP analogue that activates protein kinase G (PKG). It is 4.3-fold more potent than cGMP in activating PKG1alpha and promotes relaxation of tracheal and vascular smooth muscle tissue in vitro. | 1.96 | 1 | 0 | 3',5'-cyclic purine nucleotide;
organobromine compound | muscle relaxant;
protein kinase G agonist |
lixazinone
lixazinone: structure given in first source | 1.97 | 1 | 0 | | |
phosphorus radioisotopes
Phosphorus Radioisotopes: Unstable isotopes of phosphorus that decay or disintegrate emitting radiation. P atoms with atomic weights 28-34 except 31 are radioactive phosphorus isotopes. | 1.96 | 1 | 0 | | |