USRE39861E1 - Methods of extended use oral contraception - Google Patents
Methods of extended use oral contraception Download PDFInfo
- Publication number
- USRE39861E1 USRE39861E1 US10/893,795 US89379504A USRE39861E US RE39861 E1 USRE39861 E1 US RE39861E1 US 89379504 A US89379504 A US 89379504A US RE39861 E USRE39861 E US RE39861E
- Authority
- US
- United States
- Prior art keywords
- estrogen
- progestin
- days
- norethindrone acetate
- ethinyl estradiol
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 title claims abstract description 25
- RJKFOVLPORLFTN-LEKSSAKUSA-N Progesterone Chemical class C1CC2=CC(=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H](C(=O)C)[C@@]1(C)CC2 RJKFOVLPORLFTN-LEKSSAKUSA-N 0.000 claims abstract description 47
- 229940011871 estrogen Drugs 0.000 claims abstract description 45
- 239000000262 estrogen Substances 0.000 claims abstract description 45
- 239000000583 progesterone congener Substances 0.000 claims abstract description 44
- BFPYWIDHMRZLRN-UHFFFAOYSA-N 17alpha-ethynyl estradiol Natural products OC1=CC=C2C3CCC(C)(C(CC4)(O)C#C)C4C3CCC2=C1 BFPYWIDHMRZLRN-UHFFFAOYSA-N 0.000 claims abstract description 20
- BFPYWIDHMRZLRN-SLHNCBLASA-N Ethinyl estradiol Chemical compound OC1=CC=C2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 BFPYWIDHMRZLRN-SLHNCBLASA-N 0.000 claims abstract description 20
- IMONTRJLAWHYGT-ZCPXKWAGSA-N Norethindrone Acetate Chemical compound C1CC2=CC(=O)CC[C@@H]2[C@@H]2[C@@H]1[C@@H]1CC[C@](C#C)(OC(=O)C)[C@@]1(C)CC2 IMONTRJLAWHYGT-ZCPXKWAGSA-N 0.000 claims abstract description 20
- 229960002568 ethinylestradiol Drugs 0.000 claims abstract description 20
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- 229960004400 levonorgestrel Drugs 0.000 claims description 3
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 claims description 2
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- IMSSROKUHAOUJS-MJCUULBUSA-N mestranol Chemical compound C1C[C@]2(C)[C@@](C#C)(O)CC[C@H]2[C@@H]2CCC3=CC(OC)=CC=C3[C@H]21 IMSSROKUHAOUJS-MJCUULBUSA-N 0.000 description 3
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 102000009151 Luteinizing Hormone Human genes 0.000 description 2
- 108010073521 Luteinizing Hormone Proteins 0.000 description 2
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- 229940053934 norethindrone Drugs 0.000 description 2
- VIKNJXKGJWUCNN-XGXHKTLJSA-N norethisterone Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 VIKNJXKGJWUCNN-XGXHKTLJSA-N 0.000 description 2
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- DNXHEGUUPJUMQT-UHFFFAOYSA-N (+)-estrone Natural products OC1=CC=C2C3CCC(C)(C(CC4)=O)C4C3CCC2=C1 DNXHEGUUPJUMQT-UHFFFAOYSA-N 0.000 description 1
- GEONECATAKDDLT-JDSZYESASA-N (8r,9s,13s,14s,17r)-17-ethynyl-13-methyl-7,8,9,11,12,14,15,16-octahydro-6h-cyclopenta[a]phenanthrene-3,17-diol;[(8r,9s,10r,13s,14s,17r)-17-ethynyl-13-methyl-3-oxo-1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-17-yl] acetate Chemical compound OC1=CC=C2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1.C1CC2=CC(=O)CC[C@@H]2[C@@H]2[C@@H]1[C@@H]1CC[C@](C#C)(OC(=O)C)[C@@]1(C)CC2 GEONECATAKDDLT-JDSZYESASA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 206010053567 Coagulopathies Diseases 0.000 description 1
- 241000283073 Equus caballus Species 0.000 description 1
- DNXHEGUUPJUMQT-CBZIJGRNSA-N Estrone Chemical compound OC1=CC=C2[C@H]3CC[C@](C)(C(CC4)=O)[C@@H]4[C@@H]3CCC2=C1 DNXHEGUUPJUMQT-CBZIJGRNSA-N 0.000 description 1
- 102000012673 Follicle Stimulating Hormone Human genes 0.000 description 1
- 108010079345 Follicle Stimulating Hormone Proteins 0.000 description 1
- 108010023302 HDL Cholesterol Proteins 0.000 description 1
- 241000282412 Homo Species 0.000 description 1
- 241000282553 Macaca Species 0.000 description 1
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- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 206010047998 Withdrawal bleed Diseases 0.000 description 1
- 229940046836 anti-estrogen Drugs 0.000 description 1
- 230000001833 anti-estrogenic effect Effects 0.000 description 1
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 1
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- 150000002148 esters Chemical class 0.000 description 1
- 239000000328 estrogen antagonist Substances 0.000 description 1
- 229960003399 estrone Drugs 0.000 description 1
- GCKFUYQCUCGESZ-BPIQYHPVSA-N etonogestrel Chemical compound O=C1CC[C@@H]2[C@H]3C(=C)C[C@](CC)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 GCKFUYQCUCGESZ-BPIQYHPVSA-N 0.000 description 1
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- 229940028334 follicle stimulating hormone Drugs 0.000 description 1
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- SIGSPDASOTUPFS-XUDSTZEESA-N gestodene Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](CC)([C@](C=C4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 SIGSPDASOTUPFS-XUDSTZEESA-N 0.000 description 1
- 229960005352 gestodene Drugs 0.000 description 1
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- 229910052742 iron Inorganic materials 0.000 description 1
- 235000015110 jellies Nutrition 0.000 description 1
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- 239000000314 lubricant Substances 0.000 description 1
- 230000029849 luteinization Effects 0.000 description 1
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- 210000000287 oocyte Anatomy 0.000 description 1
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- 210000000056 organ Anatomy 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 210000002394 ovarian follicle Anatomy 0.000 description 1
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- NQPDZGIKBAWPEJ-UHFFFAOYSA-N valeric acid Chemical compound CCCCC(O)=O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/56—Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids
- A61K31/565—Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids not substituted in position 17 beta by a carbon atom, e.g. estrane, estradiol
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/56—Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids
- A61K31/565—Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids not substituted in position 17 beta by a carbon atom, e.g. estrane, estradiol
- A61K31/567—Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids not substituted in position 17 beta by a carbon atom, e.g. estrane, estradiol substituted in position 17 alpha, e.g. mestranol, norethandrolone
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P15/00—Drugs for genital or sexual disorders; Contraceptives
- A61P15/18—Feminine contraceptives
Definitions
- the ovarian/menstrual cycle is a complex event characterized by an estrogen rich follicular phase and, after ovulation, a progesterone rich luteal phase. Each has a duration of approximately 14 days resulting in an intermenstrual interval of about 28 days.
- the endometrial tissue responds to the changes in hormonal milieu.
- the onset of menstruation is the beginning of a new menstrual cycle and is counted as day 1.
- the superficial layers of the endometrium which grew and developed during the antecedent ovarian/menstrual cycle, are sloughed because demise of the corpus luteum in the non-fertile menstrual cycle is associated with a loss of progesterone secretion.
- Ovarian follicular maturation occurs progressively resulting in a rise in the circulating levels of estrogen, which in turn leads to new endometrial proliferation.
- the dominant ovarian follicle undergoes ovulation at mid-cycle, generally between menstrual cycle days 12 to 16 and is converted from a predominantly estrogen source to a predominantly progesterone source (the corpus luteum).
- the increasing level of progesterone in the blood converts the proliferative endometrium to a secretory phase in which the tissue proliferation has promptly abated, leading to the formation of endometrial glands or organs.
- the secretory endometrium and the conceptus can interact to bring about implantation (nidation), beginning about 6 to 8 days after fertilization.
- HCG human chorionic gonadotropin
- the waning level of progesterone in the blood causes the endometrial tissue to be sloughed. This starts a subsequent menstrual cycle.
- estrogens are known to decrease follicle stimulating hormone secretion by feedback inhibition. Under certain circumstances, estrogens can also inhibit luteinizing hormone secretion, once again by negative feedback. Under normal circumstances, the spike of circulating estrogen found just prior to ovulation induces the surge of gonadotropic hormones that occurs just prior to and resulting in ovulation. High doses of estrogen immediately post-coitally also can prevent conception probably due to interference with implantation.
- Progestins can also provide contraception. Endogenous progesterone after estrogen is responsible for the progestational changes of the endometrium and the cyclic changes of cells and tissue in the cervix and the vagina. Administration of progestin makes the cervical mucus thick, tenacious and cellular which is believed to impede spermatozoal transport. Administration of progestin also inhibits luteinizing hormone secretion and blocks ovulation in humans.
- oral contraception is a pill that combines both an estrogen and a progestin, a so-called combined oral contraceptive preparation.
- contraceptive preparations that comprise progestin only.
- the progestin-only preparations have a more varied spectrum of side effects than do the combined preparations, especially more breakthrough bleeding.
- the combined preparations are the preferred oral contraceptives in use today (Sheth et al., Contraception 25:243, 1982).
- U.S. Pat. No. 4,390,531 teaches a triphasic regimen in which each phase uses about 20-40 mcg ethinyl estradiol, phases 1 and 3 use 0.3-0.8 norethindrone and phase 2 doubles the amount of the norethindrone. These three phases consume 21 days of a 28 day cycle.
- European published application 0 226 279 states that this regimen is associated with a high incidence of breakthrough bleeding and substitutes a three phase oral contraceptive regimen using a relatively low amount of ethinyl estradiol (10-50 ⁇ g) and a relatively high amount of norethindrone acetate (0.5-1.5 mg) in each phase provided that the amount of estrogen in any two phases is never the same.
- a “rest” phase of about 7 days is used in this regimen.
- U.S. Pat. No. 5,098,714 teaches an osmotic, oral dosage form.
- One “pill” is administered per day but the administration is, in effect, polyphasic.
- the dosage form is constructed such that it provides an initial pulse delivery of estrogen and progestin followed by prolonged delivery of estrogen.
- European published patent application 0 253 607 describes a monophasic contraceptive preparation containing units having 0.008-0.03 mg of ethinyl estradiol and 0.025-0.1 ng of desogestrel (or equivalent) and a regimen where the preparation is administered over a 23-25 day period, preferably 24 days, followed by a 2-5 day pill-free period.
- the object of this regimen is to provide hormonal replacement therapy and contraceptive protection for the pre-menopausal woman in need thereof by supplying a low dose of an estrogen combined with a “very low dose of a progestogen.”
- U.S. Pat. No. 5,552,394 describes a method of female contraception which is characterized by a reduced incidence of breakthrough bleeding after the first cycle involves monophasicly administering a combination of estrogen and progestin for 23-25 consecutive days of a 28 day cycle in which the daily amounts of estrogen and progestin are equivalent to about 5-35 mcg of ethinyl estradiol and about 0.025 to 10 mg of norethindrone acetate, respectively and in which the weight ratio of estrogen to progestin is at least 1:45 calculated as ethinyl estradiol to norethindrone acetate.
- the regimen enhances compliance by involving fewer stop/start transitions per year and also results in less blood loss in patients with anemia. Having fewer menstrual intervals can enhance lifestyles and convenience.
- This invention relates to a method of female contraception which is characterized by a reduced number of withdrawal menses per year. More particularly, it relates to a method of female contraception which involves administering, preferably monophasicly, a combination of estrogen and progestin for 60-110 consecutive days followed by 3-10 days of no administration, in which the daily amounts of the estrogen and progestin are equivalent to about 5-35 mcg of ethinyl estradiol and about 0.025-10 mg of norethindrone acetate, respectively.
- a women in need of contraception is administered a combined dosage form of estrogen and progestin, preferably monophasicly, for 60 to 110 consecutive days, preferably about 80-90 days, followed by an administration free interval of 3 to 10 days, preferably about 5-8 days, in which the daily amounts of estrogen and progestin are equivalent to about 5-35 mcg of ethinyl estradiol and about 0.025 to 10 mg of norethindrone acetate, respectively.
- the preferred estrogen and progestins are ethinyl estradiol and norethindrone acetate although other estrogens and progestins can be employed.
- the weight ratio of these two active ingredients is at least 1:45 and preferably at least 1:50.
- the preferable amount of ethinyl estradiol is about 10-20 mcg and the preferable amount of the norethindrone acetate is about 0.25-1.5 mg.
- Other estrogens vary in potency from ethinyl estradiol. For example, 30 mcg of ethinyl estradiol is roughly equivalent to 60 mcg of mestranol or 2,000 mg of 17 ⁇ -estradiol.
- norethindrone acetate 3.5 mg of norethindrone acetate is roughly equivalent to 1 mg of levonorgestrel or desogestrel and 3-ketodesogestrel and about 0.7 mg of gestodene.
- the values given above are for the ethinyl estradiol and the norethindrone acetate and if a different estrogen or progestin is employed, an adjustment in the amount based on the relative potency should be made.
- the correlations in potency between the various estrogens and progestins are known.
- estrogens include the esters of estradiol, estrone and ethinyl estradiol such as the acetate, sulfate, valerate or benzoate, conjugated equine estrogens, agnostic anti-estrogens, and selective estrogen receptor modulators.
- the estrogen is administered in the conventional manner by any route where it is active, for instance orally or transdermally. Most estrogens are orally active and that route of administration is therefore preferred. Accordingly, administration forms can be tablets, dragees, capsules or pills which contain the estrogen (and preferably the progestin) and a suitable pharmaceutically acceptable carrier.
- compositions containing the progestin and a suitable carrier can be solid dosage forms which includes tablets, capsules, cachets, pellets, pills, powders or granules; topical dosage forms which includes solutions, powders, fluid emulsions, fluid suspensions, semi-solids, ointments, pastes, creams, gels or jellies, foams and controlled release depot entities; and parenteral dosage forms which includes solutions, suspensions, emulsions or dry powder comprising an effective amount of progestin as taught in this invention.
- the active ingredient, the progestin can be contained in such formulations in addition to pharmaceutically acceptable diluents, fillers, disintegrants, binders, lubricants, surfactants, hydrophobic vehicles, water soluble vehicles, emulsifiers, buffers, humectants, moisturizers, solubilizers, preservatives and the like.
- pharmaceutically acceptable diluents fillers, disintegrants, binders, lubricants, surfactants, hydrophobic vehicles, water soluble vehicles, emulsifiers, buffers, humectants, moisturizers, solubilizers, preservatives and the like.
- the means and methods for administration are known in the art and an artisan can refer to various pharmacologic references for guidance. For example, “Modern Pharmaceutics”, Banker & Rhodes, Marcel Dekker, Inc. 1979; “Goodman & Gilman's The Pharmaceutical Basis of Therapeutics”, 6th Edition, MacMillan Publishing Co.
- the pharmaceutical formulations may be provided in kit form containing at least about 60, and preferably at least about 84 tablets, and up to 110 tablets, intended for ingestion on successive days. Preferably administration is daily for at least 60 days using tablets containing the both the estrogen and the progestin and then for at least 3 days with placebo.
- the studies begin with spontaneous menstruation in a pretreatment control cycle. At the onset of the next spontaneous menses, alternatively, they are assigned to receive on cycle day one an ultra low dose oral contraceptive for either 60 consecutive days, followed by 3 non-treatment days or 84 consecutive days, followed by a 7 non-treatment days. These regimens are continued through three treatment cycles. The study concludes with each group of primates being followed during a post-treatment spontaneous ovarian menstrual cycle.
- Femoral blood is collected daily and the serum frozen for subsequent RIA of estradiol, progesterone, FSH and LH in the pretreatment and post-treatment cycles and every 3rd day during all three treatment cycles, except daily through the “pill free” interval.
- Bleeding profiles are kept by daily vaginal swabs, indicating spontaneous menstruation, withdrawal bleeding, breakthrough bleeding, or withdrawal amenorrhea. Breakthrough bleeding is defined as detectable blood in the vagina outside of the first 8 days after the last dose of oral contraceptive or the onset of spontaneous menses in non-treatment cycles.
- the medication is adjusted to fit the smaller (than human) body weight of these laboratory primates.
- the dose of ethinyl estradiol is 1.2 ⁇ g/day, while the dose of norethindrone acetate is 0.06 mg/day.
- This “in-house” reformulation is achieved by grinding to powder a commercially available monophasic pill (Loestrin 1/20, Parke Davis, Morris Plains, N.J.), which originally contained 1 mg of norethindrone acetate and 20 ⁇ g of ethinyl estradiol per tablet, contained in a conventional 21 day pack along with 7 iron-containing placebos.
- the daily dose received by the monkeys is about 12 ⁇ g of ethinyl estradiol and 0.6 mg of norethindrone acetate.
- this ultra low dose oral contraceptive formulation presented a 40% reduction in daily estrogen-progestin exposure as compared to one of the lowest estrogen dose combination oral contraceptives commercially available today in America or Europe.
Abstract
Description
Example | Estrogen | Progestin | Treatment Days | ||
2 | mestranol | levo- | 84 | ||
norgestrel | |||||
3 | 17-beta- | 3-keto- | 110 | ||
estradiol | desogestrel | ||||
4 | ethinyl | desogestrel | 80 | ||
estradiol | |||||
5 | mestranol | gestodone | 60 | ||
Claims (12)
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US08/880,419 US5898032A (en) | 1997-06-23 | 1997-06-23 | Ultra low dose oral contraceptives with less menstrual bleeding and sustained efficacy |
CA002256977A CA2256977C (en) | 1997-06-23 | 1998-12-23 | Methods of extended use oral contraception |
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US08/880,419 Reissue US5898032A (en) | 1997-06-23 | 1997-06-23 | Ultra low dose oral contraceptives with less menstrual bleeding and sustained efficacy |
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US10/893,795 Expired - Lifetime USRE39861E1 (en) | 1997-06-23 | 2004-07-19 | Methods of extended use oral contraception |
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US08/880,419 Ceased US5898032A (en) | 1997-06-23 | 1997-06-23 | Ultra low dose oral contraceptives with less menstrual bleeding and sustained efficacy |
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JP (1) | JPH1129481A (en) |
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NO (1) | NO982815L (en) |
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US20100120707A1 (en) * | 2008-09-16 | 2010-05-13 | Playtex Products, Llc | Dosages for menstrual suppression, contraception, and hormone replacement therapy, and methods of administering same |
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US9192614B2 (en) | 2008-10-08 | 2015-11-24 | Agile Therapeutics, Inc. | Contraceptive transdermal delivery of hormones |
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DE202007019049U1 (en) * | 2007-11-05 | 2010-05-12 | Bayer Schering Pharma Aktiengesellschaft | Use of a gestagen in combination with an estrogen for the prophylaxis of lactose intolerance in oral contraception |
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Also Published As
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DK0911029T3 (en) | 2002-06-17 |
NO982815L (en) | 1998-12-28 |
CA2256977C (en) | 2008-11-25 |
EP0911029A2 (en) | 1999-04-28 |
DE69804918D1 (en) | 2002-05-23 |
ES2175650T3 (en) | 2002-11-16 |
EP0911029A3 (en) | 2000-03-29 |
US5898032A (en) | 1999-04-27 |
PT911029E (en) | 2002-09-30 |
NO982815D0 (en) | 1998-06-18 |
CA2256977A1 (en) | 2000-06-23 |
EP0911029B1 (en) | 2002-04-17 |
JPH1129481A (en) | 1999-02-02 |
ATE216241T1 (en) | 2002-05-15 |
DE69804918T2 (en) | 2002-11-07 |
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