U.S. Department of Health & Human Services Divider Arrow National Institutes of Health Divider Arrow NCATS

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Showing 921 - 930 of 1447 results

Pentaerythritol tetranitrate is an organic nitrate that has been used for the treatment of angina pectoris. Upon administration, the drug undergoes exstensive metabolism to NO which causes vasodilation and the relaxation of smooth muscle cells. The compound belongs to a familiy of explosive substances and may be used accordingly.
Status:
US Approved OTC
Source:
21 CFR 358.710(a)(2) dandruff:dandruff (wash-off) pyrithione zinc
Source URL:
First approved in 1961
Source:
Head & Shoulders Shampoo by Proctor and Gamble
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)



Pyrithione zinc is an antibacterial and antifungal agent developed by scientists in the 1930's. Since then it has been used to treat seborrheic dermatitis of the scalp and other skin conditions such as eczema, athlete's foot, and vitiligo, as well as psoriasis. Because of its antifungal properties, it is commonly found in dandruff shampoo. Products containing pyrithione zinc are available today with and without prescription, and it is the main ingredient in many over-the-counter creams, lotions, soaps, and shampoos. It also has antibacterial properties and is effective against many pathogens from the Streptococcus and Staphylococcus genera. Pyrithione zinc`s other medical applications include treatments of psoriasis, eczema, ringworm, fungus, athletes foot, dry skin, atopic dermatitis, tinea, and vitiligo. Its antifungal effect is thought to derive from its ability to disrupt membrane transport by blocking the proton pump that energizes the transport mechanism.
Status:
US Approved OTC
Source:
21 CFR 358.710(a)(2) dandruff:dandruff (wash-off) pyrithione zinc
Source URL:
First approved in 1961
Source:
Head & Shoulders Shampoo by Proctor and Gamble
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)



Pyrithione zinc is an antibacterial and antifungal agent developed by scientists in the 1930's. Since then it has been used to treat seborrheic dermatitis of the scalp and other skin conditions such as eczema, athlete's foot, and vitiligo, as well as psoriasis. Because of its antifungal properties, it is commonly found in dandruff shampoo. Products containing pyrithione zinc are available today with and without prescription, and it is the main ingredient in many over-the-counter creams, lotions, soaps, and shampoos. It also has antibacterial properties and is effective against many pathogens from the Streptococcus and Staphylococcus genera. Pyrithione zinc`s other medical applications include treatments of psoriasis, eczema, ringworm, fungus, athletes foot, dry skin, atopic dermatitis, tinea, and vitiligo. Its antifungal effect is thought to derive from its ability to disrupt membrane transport by blocking the proton pump that energizes the transport mechanism.
Status:
US Approved OTC
Source:
21 CFR 358.710(a)(2) dandruff:dandruff (wash-off) pyrithione zinc
Source URL:
First approved in 1961
Source:
Head & Shoulders Shampoo by Proctor and Gamble
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)



Pyrithione zinc is an antibacterial and antifungal agent developed by scientists in the 1930's. Since then it has been used to treat seborrheic dermatitis of the scalp and other skin conditions such as eczema, athlete's foot, and vitiligo, as well as psoriasis. Because of its antifungal properties, it is commonly found in dandruff shampoo. Products containing pyrithione zinc are available today with and without prescription, and it is the main ingredient in many over-the-counter creams, lotions, soaps, and shampoos. It also has antibacterial properties and is effective against many pathogens from the Streptococcus and Staphylococcus genera. Pyrithione zinc`s other medical applications include treatments of psoriasis, eczema, ringworm, fungus, athletes foot, dry skin, atopic dermatitis, tinea, and vitiligo. Its antifungal effect is thought to derive from its ability to disrupt membrane transport by blocking the proton pump that energizes the transport mechanism.
Dyclonine is an local anesthetic used to provide topical anesthesia to mucous membranes through sodium channel inhibition. It is the active ingredient in Sucrets, an over-the-counter throat lozenge. It has been used as a local anesthetic agent prior to laryngoscopy, bronchoscopy, esophagoscopy, or endotracheal intubation. However, oral solutions no longer are commercially available in the US. Recently, additional activities of dyclonine have been discovered. Dyclonine represents a novel therapeutic strategy that can potentially be repurposed for the treatment of Friedreich's ataxia. Dyclonine enhances the cytotoxic effect of proteasome inhibitors on cancer and multiple myeloma cells.
Status:
US Approved OTC
Source:
21 CFR 346.18(a) anorectal:astringent calamine
Source URL:
First marketed in 1921
Source:
Solution of Ferric Subsulphate U.S.P.
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)



Ferric Ammonium EDTA Solution is normally used as a photographic chemical for a bleaching agent in the process of colour washing. It is also used as a complexing, and oxidizing agent & as a fertilizer and catalyst. EDTA acid are colourless, water-soluble solid that are widely used to dissolve scale. The usefulness of these ammonium salts arise because of its role as a chelating agent, i.e. its ability to "sequester" metal ions such as Ca2+ and Fe3+.
Menthyl lactate is derived from menthol, a compound that comes from peppermint oil, or is made synthetically. Menthol has a natural cooling effect, which makes it useful as a topical analgesic to treat skin irritation, pain, itching or sunburn. Despite its cooling benefits, menthol can be a skin irritant. Like menthol, menthyl lactate is cooling, but it causes less skin irritation than menthol. Menthyl lactate also has a refreshing, minty taste. For this reason, some manufacturers use it as a flavoring ingredient. The compound is recommended for use as a flavor in concentrations of 0.005% to 0.2% and in cosmetic and other external products in concentrations ranging from 0.2% to 2.0%. Menthyl lactate is a known compound available e.g. from Haarmann & Reimer GmbH (Germany) under the name FRESCOLAT, Type ML.
Status:
US Approved OTC
Source:
21 CFR 331.11(a)(2) antacid:aluminum-containing aluminum hydroxide-magnesium trisilicate, co-dried gel
Source URL:
First marketed in 1921
Source:
Aluminum Hydroxide U.S.P.
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)



Algeldrate (Aluminium hydroxide) is the amphoteric inorganic compound used as an antacid in the treatment of Duodenal, Peptic and Stomach Ulcer and some other conditions. Aluminium hydroxide is preferred over other alternatives such as sodium bicarbonate because Al(OH)3, being insoluble, does not increase the pH of stomach above 7 and hence, does not trigger secretion of excess acid by the stomach. Brand names include Alu-Cap, Aludrox, Gaviscon or Pepsamar. It reacts with the excess acid in the stomach, reducing the acidity of the stomach content, which may relieve the symptoms of ulcers, heartburn or dyspepsia. Such products can cause constipation, because the aluminum ions inhibit the contractions of smooth muscle cells in the gastrointestinal tract, slowing peristalsis and lengthening the time needed for stool to pass through the colon. Some such products (such as Maalox) are formulated to minimize such effects through the inclusion of equal concentrations of magnesium hydroxide or magnesium carbonate, which have counterbalancing laxative effects. This compound is also used to control phosphate (phosphorus) levels in the blood of people suffering from kidney failure. Precipitated aluminum hydroxide is included as an adjuvant in some vaccines (e.g. anthrax vaccine). One of the well-known brands of aluminum hydroxide adjuvant is Alhydrogel, made by Brenntag Biosector. Since it absorbs protein well, it also functions to stabilize vaccines by preventing the proteins in the vaccine from precipitating or sticking to the walls of the container during storage. Aluminium hydroxide is sometimes mistakenly called "alum", which properly refers to aluminum potassium sulfate. Vaccine formulations containing aluminum hydroxide stimulate the immune system by inducing the release of uric acid, an immunological danger signal. This strongly attracts certain types of monocytes which differentiate into dendritic cells. The dendritic cells pick up the antigen, carry it to lymph nodes, and stimulate T cells and B cells. It appears to contribute to induction of a good Th2 response, so is useful for immunizing against pathogens that are blocked by antibodies. In the 1960s and 1970s, it was speculated that aluminum was related to various neurological disorders including Alzheimer's disease. Since then, multiple epidemiological studies have found no connection between exposure to aluminum and neurological disorders.