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Restrict the search for
fludarabine phosphate
to a specific field?
Piperidine is a normal constituent in mammalian brain. It was shown to affect synaptic mechanism in the CNS, and influence neural mechanisms governing regulation of emotional behavior, sleeping, and extrapyramidal function. In addition, there are enzyme systems within the brain that synthesize and metabolize piperidine, and uptake and storage mechanisms for piperidine are found in the nerve endings. Piperidine, which proved to be a highly effective “antipsychotomimetic” agent in rats, has been reported to bring about substantial improvement in a variety of schizophrenic patients.
Status:
US Previously Marketed
Source:
TRUSELTIQ by HELSINN HLTHCARE
(2021)
Source URL:
First approved in 2021
Source:
TRUSELTIQ by HELSINN HLTHCARE
Source URL:
Class (Stereo):
CHEMICAL (ACHIRAL)
Targets:
Infigratinib (BGJ398), a potent, orally bioavailable, small-molecule pan-FGFR kinase inhibitor. FGFR genetic alterations are the most significant predictors for BGJ398 sensitivity. It is currently in phase 2 trials for Cholangiocarcinoma, Glioblastoma and Solid tumors. Detected adverse events were hyperphosphatemia, fatigue, constipation, cough and nausea. Other adverse events were generally mild and included stomatitis, hair loss, decreased appetite, and fatigue.
Status:
US Previously Marketed
Source:
AMIFOSTINE by EUGIA PHARMA SPECLTS
(2017)
Source URL:
First approved in 1995
Source:
ETHYOL by COSETTE
Source URL:
Class (Stereo):
CHEMICAL (ACHIRAL)
Conditions:
Amifostine is an organic thiophosphate cytoprotective agent known chemically as 2-[(3¬ aminopropyl)amino]ethanethiol dihydrogen phosphate (ester), it’s adjuvant used in cancer chemotherapy and radiotherapy involving DNA-binding chemotherapeutic agents. It is marketed under the trade name Ethyol. Amifostine is a prodrug and is dephosphorylated by alkaline phosphatase in tissues to a pharmacologically active free thiol metabolite. This metabolite is believed to be responsible for the reduction of the cumulative renal toxicity of cisplatin and for the reduction of the toxic effects of radiation on normal oral tissues. The ability of Ethyol to differentially protect normal tissues is attributed to the higher capillary alkaline phosphatase activity, higher pH and better vascularity of normal tissues relative to tumor tissue, which results in a more rapid generation of the active thiol metabolite as well as a higher rate constant for uptake into cells. The higher concentration of the thiol metabolite in normal tissues is available to bind to, and thereby detoxify, reactive metabolites of cisplatin. This thiol metabolite can also scavenge reactive oxygen species generated by exposure to either cisplatin or radiation. Healthy cells are preferentially protected because amifostine and metabolites are present in healthy cells at 100-fold greater concentrations than in tumor cells.
Status:
US Previously Marketed
Source:
AMIFOSTINE by EUGIA PHARMA SPECLTS
(2017)
Source URL:
First approved in 1995
Source:
ETHYOL by COSETTE
Source URL:
Class (Stereo):
CHEMICAL (ACHIRAL)
Conditions:
Amifostine is an organic thiophosphate cytoprotective agent known chemically as 2-[(3¬ aminopropyl)amino]ethanethiol dihydrogen phosphate (ester), it’s adjuvant used in cancer chemotherapy and radiotherapy involving DNA-binding chemotherapeutic agents. It is marketed under the trade name Ethyol. Amifostine is a prodrug and is dephosphorylated by alkaline phosphatase in tissues to a pharmacologically active free thiol metabolite. This metabolite is believed to be responsible for the reduction of the cumulative renal toxicity of cisplatin and for the reduction of the toxic effects of radiation on normal oral tissues. The ability of Ethyol to differentially protect normal tissues is attributed to the higher capillary alkaline phosphatase activity, higher pH and better vascularity of normal tissues relative to tumor tissue, which results in a more rapid generation of the active thiol metabolite as well as a higher rate constant for uptake into cells. The higher concentration of the thiol metabolite in normal tissues is available to bind to, and thereby detoxify, reactive metabolites of cisplatin. This thiol metabolite can also scavenge reactive oxygen species generated by exposure to either cisplatin or radiation. Healthy cells are preferentially protected because amifostine and metabolites are present in healthy cells at 100-fold greater concentrations than in tumor cells.
Status:
US Previously Marketed
Source:
RENORMAX by SCHERING
(1994)
Source URL:
First approved in 1994
Source:
RENORMAX by SCHERING
Source URL:
Class (Stereo):
CHEMICAL (ABSOLUTE)
Targets:
Conditions:
Spirapril (Renormax) is an ACE inhibitor antihypertensive drug used to treat hypertension. Spiraprilat, the active metabolite of spirapril, competes with angiotensin I for binding at the angiotensin-converting enzyme, blocking the conversion of angiotensin I to angiotensin II. Inhibition of ACE results in decreased plasma angiotensin II. As angiotensin II is a vasoconstrictor and a negative-feedback mediator for renin activity, lower concentrations result in a decrease in blood pressure and stimulation of baroreceptor reflex mechanisms, which leads to decreased vasopressor activity and to decreased aldosterone secretion. Spiraprilat may also act on kininase II, an enzyme identical to ACE that degrades the vasodilator bradykinin.
Status:
US Previously Marketed
Source:
ERGAMISOL by JANSSEN PHARMA
(1990)
Source URL:
First approved in 1990
Source:
ERGAMISOL by JANSSEN PHARMA
Source URL:
Class (Stereo):
CHEMICAL (ABSOLUTE)
Targets:
Levamisole (the trade name Ergamisol), an anthelminthic drug with immunological properties. It also has antitumor activity when administered with 5-fluorouracil in patients with Duke's C colorectal carcinoma; however, this use was discontinued. The mechanism of the antitumor effect is unknown but has been postulated to be related to levamisole's immunomodulatory properties. Levamisole can stimulate antibody formation to various antigens, enhance T-cell responses by stimulating T-cell activation and proliferation, potentiate monocyte and macrophage functions including phagocytosis, chemotaxis and increases motility, adherence, and chemotaxis. Levamisole inhibits alkaline phosphatase and possesses cholinergic activity. The mechanism of action of levamisole as an antiparasitic agent, for example, to treat ascariasis, relates to its agonistic activity to L-subtype nicotinic acetylcholine receptors in nematode muscles. In addition, levamisole was studied for preventing relapses of the steroid-sensitive idiopathic nephrotic syndrome (SSINS). It was shown, that alone or in combination with steroids, the drug can prolong the time to relapse and prevented recurrence during one year of treatment. However, these studies also were also discontinued.
