Patents Assigned to MacroChem Corporation
  • Publication number: 20070134308
    Abstract: Topical alcoholic or aqueous alcoholic gels containing ibuprofen or other NSAIDs, such as, naproxen, in substantially neutral salt form, have enhanced penetration through skin and may provide rapid pain/inflammation relief by including in the formulation 2-n-nonyl-1,3-dioxolane or other hydrocarbyl derivative of 1,3-dioxolane or 1,3-dioxane or acetal, as skin penetration enhancing compound. The amount of propylene glycol may be varied to adjust the initial flux of the NSAID through the skin, especially for ibuprofen, naproxen, and ketorolac.
    Type: Application
    Filed: July 5, 2006
    Publication date: June 14, 2007
    Applicant: MacroChem Corporation
    Inventors: Carlos Samour, Scott Krauser, Robert Gyurik
  • Publication number: 20030232070
    Abstract: A nail lacquer for the treatment or prevention of fungal infections, such as, onychomycosis, includes fungicidally effective amount of ciclopirox, econazole, or other antifungal agent in a compatible film-forming lacquer vehicle which includes a water-insoluble film-forming polymer; pentadecalactone, or similar cyclic lactone compound or derivative thereof, and volatile solvent. The pentadecalactone functions as a plasticizer for the film-forming polymer and as a penetration enhancer for the antifungal agent. The composition, when applied to the nails provides a hard, clear, water-resistant film containing the antifungal agent. The compositions are used for the treatment of onychomycosis.
    Type: Application
    Filed: November 12, 2002
    Publication date: December 18, 2003
    Applicant: MacroChem Corporation
    Inventor: Carlos M. Samour
  • Patent number: 6495124
    Abstract: A nail lacquer for the treatment or prevention of fungal infections, such as, onychomycosis, includes fungicidally effective amount of ciclopirox, econazole, or other antifungal agent in a compatible film-forming lacquer vehicle which includes a water-insoluble film-forming polymer; pentadecalactone, or similar cyclic lactone compound or derivative thereof, and volatile solvent. The pentadecalactone functions as a plasticizer for the film-forming polymer and as a penetration enhancer for the antifungal agent. The composition, when applied to the nails provides a hard, clear, water-resistant film containing the antifungal agent. The compositions are used for the treatment of onychomycosis.
    Type: Grant
    Filed: February 14, 2000
    Date of Patent: December 17, 2002
    Assignee: Macrochem Corporation
    Inventor: Carlos M. Samour
  • Patent number: 6224887
    Abstract: A nail lacquer effective for the treatment or prevention of fungal infections, such as, onychomycosis, includes fungicidally effective amount of ciclopirox, econazole, or other antifungal agent in a clear, stable, film-forming lacquer vehicle which includes a water-insoluble film-forming polymer; 2-n-nonyl-1,3-dioxolane or similar penetration enhancer; and volatile solvent. A plasticizer for the film-forming polymer which is also compatible with the other components may be included although the preferred penetration enhancers may also function as plasticizer. The composition, when applied to the nails provides a hard, clear, water-resistant film containing the antifungal agent. The film is resistant to multiple washings and is effective in the treatment of onychomycosis.
    Type: Grant
    Filed: February 8, 1999
    Date of Patent: May 1, 2001
    Assignee: MacroChem Corporation
    Inventors: Carlos M. Samour, Scott F. Krauser
  • Patent number: 5976566
    Abstract: Topical alcoholic or aqueous alcoholic gels containing ibuprofen or other NSAIDs, such as, naproxen, in substantially neutral salt form, have enhanced penetration through skin and may provide rapid pain/inflammation relief by including in the formulation 2-n-nonyl-1,3-dioxolane or other hydrocarbyl derivative of 1,3-dioxolane or 1,3-dioxane or acetal, as skin penetration enhancing compound. The amount of propylene glycol may be varied to adjust the initial flux of the NSAID through the skin, especially for ibuprofen, naproxen, and ketorolac.
    Type: Grant
    Filed: August 29, 1997
    Date of Patent: November 2, 1999
    Assignee: MacroChem Corporation
    Inventors: Carlos M. Samour, Scott F. Krauser, Robert J. Gyurik
  • Patent number: 5968919
    Abstract: Topical alcoholic or aqueous alcoholic gels containing testosterone, progesterone, estradiol or other hormones have enhanced penetration through skin by including in the formulation 2-n-nonyl-1,3-dioxolane or other hydrocarbyl derivative of 1,3-dioxolane or 1,3-dioxane or acetal, as skin penetration enhancing compound.
    Type: Grant
    Filed: October 16, 1997
    Date of Patent: October 19, 1999
    Assignee: MacroChem Corporation
    Inventors: Carlos M. Samour, Scott F. Krauser, Robert J. Gyurik
  • Patent number: 5942545
    Abstract: A composition for the topical transdermal administration to the penis is based on prostaglandin E.sub.1. The composition is non-irritating and effective for relieving erectile impotence or other penile erectile dysfunction. A penetration enhancing effective amount of a dioxolane, dioxane, or acetal skin penetration enhancing compound in a pharmaceutically acceptable aqueous alcoholic carrier is used to facilitate the penetration of the prostaglandin E.sub.1 active ingredient through the skin. Phentolamine or prazosin may be used in combination with prostaglandin E.sub.1.
    Type: Grant
    Filed: May 27, 1997
    Date of Patent: August 24, 1999
    Assignee: MacroChem Corporation
    Inventors: Carlos M. Samour, Scott F. Krauser, Robert J. Gyurik
  • Patent number: 5911980
    Abstract: A mixture of lipophilic and amphiphilic/hydrophilic film-forming polymers of the formula (I): R(CO).sub.m O--(CH.sub.2 CHR.sup.1 O).sub.n --?OCNH--Z--NHCO.sub.2 (CH.sub.2 CHR.sup.2 O).sub.n' !.sub.p --OCNH--Z--NHCO.sub.2 --(CH.sub.2 CHR.sup.1 O).sub.n --(CO).sub.m R, wherein R represents (i) an alkyl, alkenyl or alkaryl hydrocarbyl group of from 1 to 3 carbon atoms or (ii) a polypropylene oxide group (PPO); R.sup.1 and R.sup.2, each, independently, represent a hydrogen atom, or a methyl or ethyl group; Z represents a divalent linking hydrocarbyl group; m is 0 or 1; n and n', are each, independently, a positive number; and p is >0, preferably p is 0 or 1, provide a skin substantive, occlusive moisture barrier covering for skin or hair. The compositions have a moisturizing effect by reducing transepidermal water loss.
    Type: Grant
    Filed: February 12, 1997
    Date of Patent: June 15, 1999
    Assignee: MacroChem Corporation
    Inventors: Carlos Samour, Scott F. Krauser
  • Patent number: 5906822
    Abstract: A mixture of lipophilic and amphiphilic/hydrophilic film-forming polymers of the formula (I)R--(CO).sub.m Y.sup.1 --(CH.sub.2 CHR.sup.1 O).sub.n --?CONH--Z--NHCO(OCH.sub.2 CHR.sup.2).sub.n' --Y.sup.2 --(CH.sub.2 CHR.sup.2 O).sub.n" !.sub.p --CONH--Z--NHCO--(OCH.sub.2 CHR.sup.1).sub.n --Y.sup.1 (CO).sub.m R (I)where R represents (i) an alkyl, alkenyl or alkaryl group of from 1 to 30 carbon atoms or (ii) a polypropylene oxide group or polybutylene oxide group; R.sup.1 and R.sup.2, each, independently, represent a hydrogen atom, or a methyl or ethyl group; Z represents a divalent linking hydrocarbyl group; m is 0 or 1; when m=0, Y.sup.1 represents O, NR.sup.3 or N.sup.+ R.sup.3 R.sup.4 X.sup.- and when m=1 Y.sup.1 represents O; Y.sup.2 represents O, NR.sup.3, N.sup.+ R.sup.3 R.sup.4 X.sup.-, (R.sup.3 NCH.sub.2 CH.sub.2).sub.t, or ?(R.sup.3 R.sup.4 N.sup.+ CH.sub.2 CH.sub.2)X.sup.- !.sub.t ; R.sup.3 and R.sup.4, independently, represent C.sub.1 -C.sub.
    Type: Grant
    Filed: September 25, 1997
    Date of Patent: May 25, 1999
    Assignee: MacroChem Corporation
    Inventors: Carlos M. Samour, Scott F. Krauser
  • Patent number: 5807957
    Abstract: A mixture of lipophilic and amphiphilic/hydrophilic film-forming polymers of the formula (I)R--(CO).sub.m Y.sup.1 --(CH.sub.2 CHR.sup.1 O).sub.n --?CONH--Z--NHCO(OCH.sub.2 CHR.sup.2).sub.n' --Y.sup.2 --(CH.sub.2 CHR.sup.2 O).sub.n" !.sub.p --CONH--Z--NHCO--(OCH.sub.2 CHR.sup.1).sub.n --Y.sup.1 (CO).sub.m R (I)where R represents (i) an alkyl, alkenyl or alkaryl group of from 1 to 30 carbon atoms or (ii) a polypropylene oxide group or polybutylene oxide group; R.sup.1 and R.sup.2, each, independently, represent a hydrogen atom, or a methyl or ethyl group; Z represents a divalent linking hydrocarbyl group; m is 0 or 1; when m=0, Y.sup.1 represents O, NR.sup.3 or N.sup.+ R.sup.3 R.sup.4 X.sup.- and when m=1 Y.sup.1 represents O; Y.sup.2 represents O, NR.sup.3, N.sup.+ R.sup.3 R.sup.4 X.sup.-, (R.sup.3 NCH.sub.2 CH.sub.2).sub.t, or ?(R.sup.3 R.sup.4 N.sup.+ CH.sub.2 CH.sub.2)X.sup.- !.sub.t ; R.sup.3 and R.sup.4, independently, represent C.sub.1 -C.sub.
    Type: Grant
    Filed: December 23, 1996
    Date of Patent: September 15, 1998
    Assignee: MacroChem Corporation
    Inventors: Carlos M. Samour, Scott F. Krauser
  • Patent number: 5620980
    Abstract: The combination of minoxidil and 2-n-nonyl-1,3-dioxolane is effective in promoting hair growth when applied once daily.
    Type: Grant
    Filed: February 22, 1995
    Date of Patent: April 15, 1997
    Assignee: MacroChem Corporation
    Inventor: Carlos M. Samour
  • Patent number: 5527797
    Abstract: New and improved method for the transdermal administration of agents is provided utilizing iontophoresis in conjunction with a water-insoluble, stratum corneum-lipid modifier. The lipid modifier may be used prior to iontophoresis or simultaneously therewith. The lipid modifier may be selected from a wide variety of moieties of the general formula R--X where R is a C.sub.5 to C.sub.28 alkyl or unsaturated alkyl and X is a member of the following: 1,3-dioxane; 1,3-dioxolane; lactam; morpholine; --COOH; --OH; --COOR'; --C--N(R').sub.2 ; cyclo ethylene and propylene carbonates; --CONH.sub.2 ; --(CH.sub.2 --CH.sub.2 O).sub.n H; ##STR1## acetals, and hemiacetals; and wherein R' is lower alkyl (e.g., C.sub.1 to C.sub.3) and n is an integer of from 1 to 20. Optionally there may be present a polar, water-soluble chemical compound from the group of alcohols, glycols, lactams, dioxolanes, esters, ureas, morpholine and the like. Compositions and articles useful in the processes of the present invention are also provided.
    Type: Grant
    Filed: August 20, 1993
    Date of Patent: June 18, 1996
    Assignees: Macrochem Corporation, The Trustees of Boston University
    Inventors: Solomon R. Eisenberg, Carlos M. Samour
  • Patent number: 5391567
    Abstract: Malignancy-induced hypercalcemia is treated with thionapthene-2-carboxylic acid (TNCA) and the pharmaceutically acceptable salts thereof. The treatment is also effective in tumor bearing hosts even before there is significant abnormal serum calcium levels. There is no "escape" from the hypocalcemic effects of these compounds as with e.g., calcitonin. The useful dosage in humans for TNCA itself ranges from about 1 to about 60 mg/kg/day preferably from about 2 to about 30 mg/kg/day and more preferably from about 5 to about 20 mg/kg/day (20 mg is approximately 0.106 mmol) Orally administered TNCA or salts thereof, is a much desired and obviously clinically advantageous mode of administering compounds to control or ameliorate hypercalcemia.
    Type: Grant
    Filed: September 17, 1993
    Date of Patent: February 21, 1995
    Assignee: Macrochem Corporation
    Inventors: Lawrence G. Raisz, Carlos M. Samour
  • Patent number: 4910020
    Abstract: A transdermal medication device for applying medication on the skin of the user comprising upper and lower layers having cooperating filaments for detachably securing the upper layer to the lower layer. The lower layer has an opening therethrough, the upper layer carrying a medication reservoir which seats in the opening. In one form of the invention, the device is a patch attached by pressure-sensitive adhesive to the skin. In another form of the invention, the lower layer is a band for attaching the device about the chest, waist, arm or leg of the user.
    Type: Grant
    Filed: October 21, 1988
    Date of Patent: March 20, 1990
    Assignee: Macrochem Corporation
    Inventor: Carlos Samour