| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
histamine
[no description available] | 3.14 | 5 | 0 | aralkylamino compound;
imidazoles | human metabolite;
mouse metabolite;
neurotransmitter |
n-methylhistamine
[no description available] | 2.02 | 1 | 0 | aralkylamine | |
octoclothepine
octoclothepine: major tranquilizer with action similar to those of the phenothiazines; used in schizophrenic & manic psychoses; minor decriptor (77-86); on-line & INDEX MEDICUS search DIBENZOTHIEPINS (77-86); RN given refers to parent cpd without isomeric designation | 2.02 | 1 | 0 | dibenzothiepine | |
amoxapine
Amoxapine: The N-demethylated derivative of the antipsychotic agent LOXAPINE that works by blocking the reuptake of norepinephrine, serotonin, or both; it also blocks dopamine receptors. Amoxapine is used for the treatment of depression.. amoxapine : A dibenzooxazepine compound having a chloro substituent at the 2-position and a piperazin-1-yl group at the 11-position. | 2.02 | 1 | 0 | dibenzooxazepine | adrenergic uptake inhibitor;
antidepressant;
dopaminergic antagonist;
geroprotector;
serotonin uptake inhibitor |
cetirizine
Cetirizine: A potent second-generation histamine H1 antagonist that is effective in the treatment of allergic rhinitis, chronic urticaria, and pollen-induced asthma. Unlike many traditional antihistamines, it does not cause drowsiness or anticholinergic side effects.. cetirizine : A member of the class of piperazines that is piperazine in which the hydrogens attached to nitrogen are replaced by a (4-chlorophenyl)(phenyl)methyl and a 2-(carboxymethoxy)ethyl group respectively. | 2.02 | 1 | 0 | ether;
monocarboxylic acid;
monochlorobenzenes;
piperazines | anti-allergic agent;
environmental contaminant;
H1-receptor antagonist;
xenobiotic |
chlorpheniramine
Chlorpheniramine: A histamine H1 antagonist used in allergic reactions, hay fever, rhinitis, urticaria, and asthma. It has also been used in veterinary applications. One of the most widely used of the classical antihistaminics, it generally causes less drowsiness and sedation than PROMETHAZINE.. chlorphenamine : A tertiary amino compound that is propylamine which is substituted at position 3 by a pyridin-2-yl group and a p-chlorophenyl group and in which the hydrogens attached to the nitrogen are replaced by methyl groups. A histamine H1 antagonist, it is used to relieve the symptoms of hay fever, rhinitis, urticaria, and asthma. | 2.01 | 1 | 0 | monochlorobenzenes;
pyridines;
tertiary amino compound | anti-allergic agent;
antidepressant;
antipruritic drug;
H1-receptor antagonist;
histamine antagonist;
serotonin uptake inhibitor |
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. | 2.02 | 1 | 0 | aliphatic sulfide;
guanidines;
imidazoles;
nitrile | adjuvant;
analgesic;
anti-ulcer drug;
H2-receptor antagonist;
P450 inhibitor |
clobenpropit
clobenpropit: histamine H3 receptor antagonist. clobenpropit : An imidothiocarbamic ester that consists of isothiourea bearing S-3-(imidazol-4-yl)propyl and N-4-chlorobenzyl substituents. An extremely potent histamine H3 antagonist/inverse agonist (pA2 = 9.93). Also displays partial agonist activity at H4 receptors; induces eosinophil shape change with an EC50 of 3 nM. | 3.27 | 6 | 0 | imidazoles;
imidothiocarbamic ester;
organochlorine compound | H3-receptor antagonist;
H4-receptor agonist |
dimaprit
Dimaprit: A histamine H2 receptor agonist that is often used to study the activity of histamine and its receptors. | 2.44 | 2 | 0 | imidothiocarbamic ester | |
diphenhydramine
Diphenhydramine: A histamine H1 antagonist used as an antiemetic, antitussive, for dermatoses and pruritus, for hypersensitivity reactions, as a hypnotic, an antiparkinson, and as an ingredient in common cold preparations. It has some undesired antimuscarinic and sedative effects.. diphenhydramine : An ether that is the benzhydryl ether of 2-(dimethylamino)ethanol. It is a H1-receptor antagonist used as a antipruritic and antitussive drug.. antitussive : An agent that suppresses cough. Antitussives have a central or a peripheral action on the cough reflex, or a combination of both. Compare with expectorants, which are considered to increase the volume of secretions in the respiratory tract, so facilitating their removal by ciliary action and coughing, and mucolytics, which decrease the viscosity of mucus, facilitating its removal by ciliary action and expectoration. | 2.01 | 1 | 0 | ether;
tertiary amino compound | anti-allergic agent;
antidyskinesia agent;
antiemetic;
antiparkinson drug;
antipruritic drug;
antitussive;
H1-receptor antagonist;
local anaesthetic;
muscarinic antagonist;
oneirogen;
sedative |
ebastine
[no description available] | 2.02 | 1 | 0 | organic molecular entity | |
fexofenadine
fexofenadine: a second generation antihistamine; metabolite of the antihistaminic drug terfenadine; structure in first source; RN refers to HCl. fexofenadine : A piperidine-based anti-histamine compound. | 2.02 | 1 | 0 | piperidines;
tertiary amine | anti-allergic agent;
H1-receptor antagonist |
haloperidol
Haloperidol: A phenyl-piperidinyl-butyrophenone that is used primarily to treat SCHIZOPHRENIA and other PSYCHOSES. It is also used in schizoaffective disorder, DELUSIONAL DISORDERS, ballism, and TOURETTE SYNDROME (a drug of choice) and occasionally as adjunctive therapy in INTELLECTUAL DISABILITY and the chorea of HUNTINGTON DISEASE. It is a potent antiemetic and is used in the treatment of intractable HICCUPS. (From AMA Drug Evaluations Annual, 1994, p279). haloperidol : A compound composed of a central piperidine structure with hydroxy and p-chlorophenyl substituents at position 4 and an N-linked p-fluorobutyrophenone moiety. | 1.98 | 1 | 0 | aromatic ketone;
hydroxypiperidine;
monochlorobenzenes;
organofluorine compound;
tertiary alcohol | antidyskinesia agent;
antiemetic;
dopaminergic antagonist;
first generation antipsychotic;
serotonergic antagonist |
alpha-methylhistamine
alpha-methylhistamine: a histamine H3 receptor agonist; RN given refers to parent cpd without isomeric designation. alpha-methylhistamine : An aralkylamino compound that is histamine bearing a methyl substituent at the alpha-position. | 2.69 | 3 | 0 | aralkylamino compound;
imidazoles | animal metabolite;
H3-receptor agonist |
hydroxyzine
Hydroxyzine: A histamine H1 receptor antagonist that is effective in the treatment of chronic urticaria, dermatitis, and histamine-mediated pruritus. Unlike its major metabolite CETIRIZINE, it does cause drowsiness. It is also effective as an antiemetic, for relief of anxiety and tension, and as a sedative.. hydroxyzine : A N-alkylpiperazine that is piperzine in which the nitrogens atoms are substituted by 2-(2-hydroxyethoxy)ethyl and (4-chlorophenyl)(phenyl)methyl groups respectively. | 2.02 | 1 | 0 | hydroxyether;
monochlorobenzenes;
N-alkylpiperazine | anticoronaviral agent;
antipruritic drug;
anxiolytic drug;
dermatologic drug;
H1-receptor antagonist |
ifenprodil
ifenprodil: NMDA receptor antagonist | 2.05 | 1 | 0 | piperidines | |
imetit
imetit: structure given in first source. imetit : An imidothiocarbamic ester that consists of isothiourea in which the thiol hydrogen is substituted by a 2-(imidazol-4-yl)ethyl group. An extremely potent, high affinity agonist at H3 and H4 receptors (Ki values are 0.3 and 2.7 nM respectively). Induces shape change in eosinophils with an EC50 of 25 nM. Centrally active following systemic administration. | 2.71 | 3 | 0 | imidazoles;
imidothiocarbamic ester | H3-receptor agonist;
H4-receptor agonist |
loratadine
Loratadine: A second-generation histamine H1 receptor antagonist used in the treatment of allergic rhinitis and urticaria. Unlike most classical antihistamines (HISTAMINE H1 ANTAGONISTS) it lacks central nervous system depressing effects such as drowsiness.. loratadine : A benzocycloheptapyridine that is 6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine substituted by a chloro group at position 8 and a 1-(ethoxycarbonyl)piperidin-4-ylidene group at position 11. It is a H1-receptor antagonist commonly employed in the treatment of allergic disorders. | 2.02 | 1 | 0 | benzocycloheptapyridine;
ethyl ester;
N-acylpiperidine;
organochlorine compound;
tertiary carboxamide | anti-allergic agent;
cholinergic antagonist;
geroprotector;
H1-receptor antagonist |
loxapine
Loxapine: An antipsychotic agent used in SCHIZOPHRENIA. | 2.02 | 1 | 0 | dibenzooxazepine | antipsychotic agent;
dopaminergic antagonist |
pyrilamine
Pyrilamine: A histamine H1 antagonist. It has mild hypnotic properties and some local anesthetic action and is used for allergies (including skin eruptions) both parenterally and locally. It is a common ingredient of cold remedies.. mepyramine : An ethylenediamine derivative that is ethylenediamine in which one of the amino nitrogens is substituted by two methyl groups and the remaining amino nitrogen is substituted by a 4-methoxybenzyl and a pyridin-2-yl group. | 2.02 | 1 | 0 | aromatic ether;
ethylenediamine derivative | H1-receptor antagonist |
tryptophan
Tryptophan: An essential amino acid that is necessary for normal growth in infants and for NITROGEN balance in adults. It is a precursor of INDOLE ALKALOIDS in plants. It is a precursor of SEROTONIN (hence its use as an antidepressant and sleep aid). It can be a precursor to NIACIN, albeit inefficiently, in mammals.. tryptophan : An alpha-amino acid that is alanine bearing an indol-3-yl substituent at position 3. | 2.01 | 1 | 0 | erythrose 4-phosphate/phosphoenolpyruvate family amino acid;
L-alpha-amino acid zwitterion;
L-alpha-amino acid;
proteinogenic amino acid;
tryptophan zwitterion;
tryptophan | antidepressant;
Escherichia coli metabolite;
human metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
plant metabolite;
Saccharomyces cerevisiae metabolite |
xanthenes
Xanthenes: Compounds with three aromatic rings in linear arrangement with an OXYGEN in the center ring. | 2.05 | 1 | 0 | xanthene | |
evans blue
Evans Blue: An azo dye used in blood volume and cardiac output measurement by the dye dilution method. It is very soluble, strongly bound to plasma albumin, and disappears very slowly.. Evans blue : An organic sodium salt that is the tetrasodium salt of 6,6'-{(3,3'-dimethyl[1,1'-biphenyl]-4,4'-diyl)bis[diazene-2,1-diyl]}bis(4-amino-5-hydroxynaphthalene-1,3-disulfonate). It is sometimes used as a counterstain, especially in fluorescent methods to suppress background autofluorescence. | 2.01 | 1 | 0 | organic sodium salt | fluorochrome;
histological dye;
sodium channel blocker;
teratogenic agent |
azatadine
azatadine: indulian (UD 21;71k) is dimaleate; do not confuse with AZACITIDINE. azatadine : A benzo[5,6]cyclohepta[1,2-b]pyridine having a 1-methylpiperidin-4-ylidene group at the 11-position. | 2.02 | 1 | 0 | benzocycloheptapyridine;
tertiary amine | anti-allergic agent;
H1-receptor antagonist |
isothiuronium
Isothiuronium: An undecenyl THIOUREA which may have topical anti-inflammatory activity. | 4.2 | 17 | 0 | | |
substance p
[no description available] | 2.03 | 1 | 0 | peptide | neurokinin-1 receptor agonist;
neurotransmitter;
vasodilator agent |
4-methylhistamine
4-methylhistamine: RN given refers to parent cpd. 4-methylhistamine : An aralkylamino compound that is histamine bearing a methyl substituent at the 5 position on the ring. | 2.75 | 3 | 0 | aralkylamino compound;
imidazoles | histamine agonist;
metabolite |
impromidine
Impromidine: A highly potent and specific histamine H2 receptor agonist. It has been used diagnostically as a gastric secretion indicator. | 2.02 | 1 | 0 | | |
tiotidine
tiotidine: UD gives slightly different structure for this cpd; RN given refers to parent cpd; structure in first source | 2.02 | 1 | 0 | thiazoles | |
mizolastine
[no description available] | 2.02 | 1 | 0 | benzimidazoles | |
mifentidine
[no description available] | 2.02 | 1 | 0 | | |
rexigen
clobenzorex: RN given refers to (+)-isomer; structure | 2.03 | 1 | 0 | | |
2-(2-aminoethyl)pyridine
2-(2-aminoethyl)pyridine: histamine H1 receptor agonist inducing cross-tolerance to histamine; RN given refers to parent cpd; structure | 2.02 | 1 | 0 | aminoalkylpyridine;
primary amine | histamine agonist;
metabolite |
2-(2-aminoethyl)thiazole
2-(2-aminoethyl)thiazole: receptor H1 agonist; RN given refers to parent cpd | 2.02 | 1 | 0 | 1,3-thiazoles | |
2-methylhistamine
2-methylhistamine: RN given refers to parent cpd. 2-methylhistamine : An aralkylamino compound that is histamine bearing a methyl substituent at the 2 position on the ring. | 2.02 | 1 | 0 | aralkylamino compound;
imidazoles | histamine agonist;
metabolite |
amthamine
amthamine: histamine H2 receptor agonist; structure & RN given in first source; RN given refers to parent cpd | 2.02 | 1 | 0 | thiazoles | |
3,5-bis(trifluoromethyl)benzyl n-acetyltryptophan
3,5-bis(trifluoromethyl)benzyl N-acetyltryptophan: structure given in first source; substance P and neurokinin receptor antagonist | 2.01 | 1 | 0 | | |
l 733060
3-((3,5-bis(trifluoromethyl)phenyl)methyloxy)-2-phenylpiperidine: RN given refers to (2S-cis)-isomer; L-733,061 is pharmacologically inactive; structure in first source | 2.01 | 1 | 0 | piperidines | |
iodoproxyfan
iodoproxyfan: structure given in first source | 2.02 | 1 | 0 | | |
alpha-methylhistamine
(R)-alpha-methylhistamine : An aralkylamino compound that is histamine bearing a methyl substituent at the alpha-position (the R-enantiomer). | 2.44 | 2 | 0 | aralkylamino compound;
imidazoles | H3-receptor agonist |
aminopotentidine
aminopotentidine: structure given in first source; RN given refers to the oxalate. aminopotentidine : A benzamide obtained by formal condensation of the carboxy group of 4-aminobenzoic acid with the primary amino group of 1-(2-aminoethyl)-2-cyano-3-{3-[3-(piperidin-1-ylmethyl)phenoxy]propyl}guanidine. | 2.02 | 1 | 0 | aromatic ether;
benzamides;
guanidines;
nitrile;
piperidines;
substituted aniline | H2-receptor antagonist |
imidazolyl-4-propylamine
imidazolyl-4-propylamine: structure given in first source | 2.02 | 1 | 0 | | |
thiourea
Thiourea: A photographic fixative used also in the manufacture of resins. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), this substance may reasonably be anticipated to be a carcinogen (Merck Index, 9th ed). Many of its derivatives are ANTITHYROID AGENTS and/or FREE RADICAL SCAVENGERS.. thiourea : The simplest member of the thiourea class, consisting of urea with the oxygen atom substituted by sulfur. | 3.11 | 5 | 0 | one-carbon compound;
thioureas;
ureas | antioxidant;
chromophore |
ranitidine
Ranitidine: A non-imidazole blocker of those histamine receptors that mediate gastric secretion (H2 receptors). It is used to treat gastrointestinal ulcers.. ranitidine : A member of the class of furans used to treat peptic ulcer disease (PUD) and gastroesophageal reflux disease. | 2.02 | 1 | 0 | C-nitro compound;
furans;
organic sulfide;
tertiary amino compound | anti-ulcer drug;
drug allergen;
environmental contaminant;
H2-receptor antagonist;
xenobiotic |
burimamide
Burimamide: An antagonist of histamine that appears to block both H2 and H3 histamine receptors. It has been used in the treatment of ulcers. | 2.02 | 1 | 0 | imidazoles | |
4-(1h-imidazol-4-ylmethyl)piperidine
4-(1H-imidazol-4-ylmethyl)piperidine: structure in first source | 2.7 | 3 | 0 | piperidines | |
thioperamide
thioperamide: structure given in first source; histamine H3 receptor antagonist | 3.71 | 10 | 0 | primary aliphatic amine | |
jnj 7777120
1-((5-chloro-1H-indol-2-yl)carbonyl)-4-methylpiperazine: an H4 receptor antagonist; structure in first source | 2.97 | 4 | 0 | | |
famotidine
[no description available] | 2.02 | 1 | 0 | 1,3-thiazoles;
guanidines;
sulfonamide | anti-ulcer drug;
H2-receptor antagonist;
P450 inhibitor |
proxyfan
[no description available] | 2.02 | 1 | 0 | benzyl ether | |
(2S)-1-(1H-imidazol-5-yl)-2-propanamine
[no description available] | 2.02 | 1 | 0 | aralkylamine | |
impentamine
impentamine: structure in first source | 2.02 | 1 | 0 | | |
4-(1H-imidazol-5-ylmethyl)pyridine
[no description available] | 2.02 | 1 | 0 | pyridines | |
histaprodifen
[no description available] | 2.02 | 1 | 0 | | |
methimepip
methimepip: histamine H3 agonist | 2.02 | 1 | 0 | | |
4-(1h-imidazol-4-yl)butanamine
4-(1H-imidazol-4-yl)butanamine: agonist of both H3 and H4 histamine receptors; structure in first source | 2.46 | 2 | 0 | | |
piperidines
Piperidines: A family of hexahydropyridines. | 3.61 | 9 | 0 | | |
guanosine 5'-o-(3-thiotriphosphate)
Guanosine 5'-O-(3-Thiotriphosphate): Guanosine 5'-(trihydrogen diphosphate), monoanhydride with phosphorothioic acid. A stable GTP analog which enjoys a variety of physiological actions such as stimulation of guanine nucleotide-binding proteins, phosphoinositide hydrolysis, cyclic AMP accumulation, and activation of specific proto-oncogenes. | 2 | 1 | 0 | nucleoside triphosphate analogue | |
clozapine
Clozapine: A tricylic dibenzodiazepine, classified as an atypical antipsychotic agent. It binds several types of central nervous system receptors, and displays a unique pharmacological profile. Clozapine is a serotonin antagonist, with strong binding to 5-HT 2A/2C receptor subtype. It also displays strong affinity to several dopaminergic receptors, but shows only weak antagonism at the dopamine D2 receptor, a receptor commonly thought to modulate neuroleptic activity. Agranulocytosis is a major adverse effect associated with administration of this agent.. clozapine : A benzodiazepine that is 5H-dibenzo[b,e][1,4]diazepine substituted by a chloro group at position 8 and a 4-methylpiperazin-1-yl group at position 11. It is a second generation antipsychotic used in the treatment of psychiatric disorders like schizophrenia. | 2.41 | 2 | 0 | benzodiazepine;
N-arylpiperazine;
N-methylpiperazine;
organochlorine compound | adrenergic antagonist;
dopaminergic antagonist;
EC 3.4.21.26 (prolyl oligopeptidase) inhibitor;
environmental contaminant;
GABA antagonist;
histamine antagonist;
muscarinic antagonist;
second generation antipsychotic;
serotonergic antagonist;
xenobiotic |