"Nov. 1, 2012 -- Two more drugs made by the New England Compounding Center (NECC) are crawling with various kinds of bacteria, FDA tests reveal.
The NECC is the Massachusetts compounding pharmacy whose drugs are the likely source of th"...
(capsaicin) 8% Patch
Qutenza (capsaicin) 8% patch contains capsaicin in a localized dermal delivery system. The capsaicin in Qutenza (capsaicin 8% patch) is a synthetic equivalent of the naturally occurring compound found in chili peppers. Capsaicin is soluble in alcohol, acetone, and ethyl acetate and very slightly soluble in water.
Qutenza (capsaicin 8% patch) is a single-use patch stored in a foil pouch. Each Qutenza (capsaicin 8% patch) patch is 14 cm x 20 cm (280 cm2) and consists of a polyester backing film coated with a drug-containing silicone adhesive mixture, and covered with a removable polyester release liner.
The backing film is imprinted with “capsaicin 8%”. Each Qutenza patch contains a total of 179 mg of capsaicin (8% in adhesive, 80 mg per gram of adhesive) or 640 micrograms (mcg) of capsaicin per square cm of patch.
The empirical formula is C18H27NO3, with a molecular weight of 305.42. The chemical compound capsaicin [(E)-8-methyl-N-vanillyl-6-nonenamide] is an activating ligand for transient receptor potential vanilloid 1 receptor (TRPV1) and it has the following structure:
FIGURE 1: Structural Formula of Capsaicin
The patch contains the following inactive ingredients: diethylene glycol monoethyl ether, dimethicone, ethyl cellulose, polyester film, silicone adhesive and white ink.
Qutenza (capsaicin 8% patch) is supplied with a Cleansing Gel which is used to remove residual capsaicin from the skin after treatment. Cleansing Gel consists of the following ingredients: butylated hydroxyanisole, carbomer copolymer, edetate disodium, polyethylene glycol, purified water, and sodium hydroxide.
Last reviewed on RxList: 12/2/2009
This monograph has been modified to include the generic and brand name in many instances.
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