Classification Term: 832
Cycloheptathiophenes (ontology term: CHEMONTID:0002338)
Polycyclic compounds containing a thiophene ring fused to a 7 member carbocyclic moiety. Thiophene is 5-membered ring consisting of four carbon atoms and one sulfur atom." []
found 4 associated metabolites at class metabolite taxonomy ontology rank level.
Ancestor: Organoheterocyclic compounds
Child Taxonomies: There is no child term of current ontology term.
Ketotifen
Ketotifen is only found in individuals that have used or taken this drug. It is a cycloheptathiophene blocker of histamine H1 receptors and release of inflammatory mediators. It has been proposed for the treatment of asthma, rhinitis, skin allergies, and anaphylaxis. [PubChem]Ketotifen is a relatively selective, non-competitive histamine antagonist (H1-receptor) and mast cell stabilizer. Ketotifen inhibits the release of mediators from mast cells involved in hypersensitivity reactions. Decreased chemotaxis and activation of eosinophils have also been demonstrated. Ketotifen also inhibits cAMP phosphodiesterase. Properties of ketotifen which may contribute to its antiallergic activity and its ability to affect the underlying pathology of asthma include inhibition of the development of airway hyper-reactivity associated with activation of platelets by PAF (Platelet Activating Factor), inhibition of PAF-induced accumulation of eosinophils and platelets in the airways, suppression of the priming of eosinophils by human recombinant cytokines and antagonism of bronchoconstriction due to leukotrienes. Ketotifen inhibits of the release of allergic mediators such as histamine, leukotrienes C4 and D4(SRS-A) and PAF. R - Respiratory system > R06 - Antihistamines for systemic use > R06A - Antihistamines for systemic use D018377 - Neurotransmitter Agents > D018494 - Histamine Agents > D006633 - Histamine Antagonists S - Sensory organs > S01 - Ophthalmologicals > S01G - Decongestants and antiallergics COVID info from clinicaltrial, clinicaltrials, clinical trial, clinical trials C308 - Immunotherapeutic Agent > C29578 - Histamine-1 Receptor Antagonist D003879 - Dermatologic Agents > D000982 - Antipruritics D018926 - Anti-Allergic Agents Corona-virus Coronavirus SARS-CoV-2 COVID-19 SARS-CoV COVID19 SARS2 SARS
Nor-ketotifen
Nor-ketotifen is a metabolite of ketotifen. Ketotifen is a second-generation H1-antihistamine and mast cell stabilizer. It is most commonly sold in as a salt of fumaric acid, ketotifen fumarate, and is available in two forms. In its ophthalmic form, it is used to treat allergic conjunctivitis, or the itchy red eyes caused by allergies. In its oral form, it is used to prevent asthma attacks. Side effects include drowsiness, weight gain, dry mouth, irritability, and increased nosebleeds. (Wikipedia)
4-(3'-Methylaminopropylidene)-9,10-dihydro-4H-benzo(4,5)cyclohepta(1,2-b)thiophen
Pizotifen
D002491 - Central Nervous System Agents > D011619 - Psychotropic Drugs > D000928 - Antidepressive Agents D018377 - Neurotransmitter Agents > D018490 - Serotonin Agents > D012702 - Serotonin Antagonists D018373 - Peripheral Nervous System Agents > D018689 - Sensory System Agents N - Nervous system > N02 - Analgesics > N02C - Antimigraine preparations C78272 - Agent Affecting Nervous System > C66885 - Serotonin Antagonist D002491 - Central Nervous System Agents > D000700 - Analgesics Pizotifen (Pizotyline) is a potent 5-HT2 receptor antagonist, with a high affinity for 5-HT1C binding site.