Patents Assigned to ESTETRA SRL
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Publication number: 20260102408Abstract: The present invention relates to a combined oral contraceptive with a reduced risk for side effects, including a reduced risk for QT interval prolongation, a reduced risk for testosterone decrease and a reduced risk for elevated C-reactive protein levels when compared to other combined oral contraceptives. The estetrol/drospirenone combined oral contraceptive described herein shows favorable pharmacokinetics for the progestogenic component. Use of a specific estrogenic component in the combined oral contraceptive entails multiple benefits over currently available combined oral contraceptives.Type: ApplicationFiled: October 20, 2025Publication date: April 16, 2026Applicant: ESTETRA SRLInventor: Jean-Michel FOIDART
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Publication number: 20260090995Abstract: The invention provides an orodispersible solid pharmaceutical dosage unit having a weight between 30 and 1,000 mg, said dosage unit consisting of: 0.1-25 wt. % of estetrol particles containing at least 80 wt. % of an estetrol component selected from estetrol, estetrol esters and combinations thereof; and 75-99.9 wt. % of one or more pharmaceutically acceptable ingredients; the solid dosage unit comprising at least 100 ?g of the estetrol component; and wherein the solid dosage unit can be obtained by a process comprising wet granulation of estetrol particles having a volume weighted average particle size of 2 ?m to 50 ?m. The solid dosage unit is easy to manufacture and perfectly suited for sublingual, buccal or sublabial administration.Type: ApplicationFiled: September 25, 2025Publication date: April 2, 2026Applicant: ESTETRA SRLInventors: Séverine Francine Isabelle JASPART, Johannes Jan PLATTEEUW, Denny Johan Marijn VAN DEN HEUVEL
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Publication number: 20260034147Abstract: The present invention relates to a hormone replacement therapy, to the associated compounds and to the associated packaging units, for alleviating menopause-associated symptoms which is based on the administration to a female mammal of an estetrol component at specified daily doses, optionally in combination with a progestogenic component. The therapy enjoys a statistically significant efficacy combined with a favourable profile for side effects compared to currently available methods for alleviating menopause-associated symptoms.Type: ApplicationFiled: October 10, 2025Publication date: February 5, 2026Applicant: ESTETRA SRLInventors: Melanie Taziaux, Glwadys Rausin, Maud Jost, Marie Mawet
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Publication number: 20250360147Abstract: Described are combined oral contraceptive compositions with reduced cardiovascular effects and methods using them. In some embodiments, the methods relate to contraceptive methods or methods for treating dysmenorrhea with reduced cardiovascular effects, such as reduced venous thromboembolism (VTE) risk. The methods comprise administering to a female subject an effective amount of an estetrol component and a progestogenic component. The methods enjoy a favourable profile for thromboembolism compared to currently available methods which employs contraceptives from the so-called second, third or fourth generation.Type: ApplicationFiled: January 3, 2025Publication date: November 27, 2025Applicant: ESTETRA SRLInventors: Maud JOST, Glwadys RAUSIN
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Patent number: 12458651Abstract: The present invention relates to a hormone replacement therapy, to the associated compounds and to the associated packaging units, for alleviating menopause-associated symptoms which is based on the administration to a female mammal of an estetrol component at specified daily doses, optionally in combination with a progestogenic component. The therapy enjoys a statistically significant efficacy combined with a favourable profile for side effects compared to currently available methods for alleviating menopause-associated symptoms.Type: GrantFiled: October 24, 2022Date of Patent: November 4, 2025Assignee: ESTETRA SRLInventors: Melanie Taziaux, Glwadys Rausin, Maud Jost, Marie Mawet
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Patent number: 12458649Abstract: The present invention relates to a combined oral contraceptive with a reduced risk for side effects, including a reduced risk for QT interval prolongation, a reduced risk for testosterone decrease and a reduced risk for elevated C-reactive protein levels when compared to other combined oral contraceptives. The estetrol/drospirenone combined oral contraceptive described herein shows favorable pharmacokinetics for the progestogenic component. Use of a specific estrogenic component in the combined oral contraceptive entails multiple benefits over currently available combined oral contraceptives.Type: GrantFiled: March 22, 2022Date of Patent: November 4, 2025Assignee: ESTETRA SRLInventor: Jean-Michel Foidart
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Publication number: 20250325467Abstract: The present invention relates to a cosmetic or therapeutic treatment for preventing or treating skin aging and related effects, to the associated compositions for doing such and to the associated formulations or dosage units. The cosmetic and/or therapeutic effect is obtained by relying on an effective amount of an estetrol component.Type: ApplicationFiled: November 29, 2022Publication date: October 23, 2025Applicant: ESTETRA SRLInventors: Céline GERARD, Valérie DION
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Publication number: 20250313592Abstract: The present invention relates to a process for the preparation of a compound of formula (I), a stereoisomer, a salt, a hydrate or a solvate thereof, comprising the step of desulfinylation of a compound of formula (II) to produce compound of formula (I); wherein: R1 and R2 are as defined in the claims, wherein said desulfinylation step is performed by continuous flow process.Type: ApplicationFiled: April 26, 2023Publication date: October 9, 2025Applicant: ESTETRA SRLInventors: Amaury DUBART, Damien CORNUT
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Patent number: 12427114Abstract: The invention provides an orodispersible solid pharmaceutical dosage unit having a weight between 30 and 1,000 mg, said dosage unit consisting of: 0.1-25 wt. % of estetrol particles containing at least 80 wt. % of an estetrol component selected from estetrol, estetrol esters and combinations thereof; and 75-99.9 wt. % of one or more pharmaceutically acceptable ingredients; the solid dosage unit comprising at least 100 ?g of the estetrol component; and wherein the solid dosage unit can be obtained by a process comprising wet granulation of estetrol particles having a volume weighted average particle size of 2 ?m to 50 ?m. The solid dosage unit is easy to manufacture and perfectly suited for sublingual, buccal or sublabial administration.Type: GrantFiled: March 29, 2024Date of Patent: September 30, 2025Assignee: ESTETRA SRLInventors: Séverine Francine Isabelle Jaspart, Johannes Jan Platteeuw, Denny Johan Marijn Van Den Heuvel
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Patent number: 12390478Abstract: The present invention relates to a hormone replacement therapy, to the associated compounds and to the associated packaging units, for alleviating menopause-associated symptoms which is based on the administration to a female mammal of an estetrol component at specified daily doses, optionally in combination with a progestogenic component. The therapy enjoys a statistically significant efficacy combined with a favourable profile for side effects compared to currently available methods for alleviating menopause-associated symptoms.Type: GrantFiled: August 23, 2022Date of Patent: August 19, 2025Assignee: ESTETRA SRLInventors: Melanie Taziaux, Glwadys Rausin, Maud Jost, Marie Mawet
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Publication number: 20250152608Abstract: Described are methods of providing contraception in a woman having a BMI ?30.0 kg/m2, comprising: selecting a woman determined to have a BMI ?30.0 kg/m2, and then orally administering to the selected woman a therapeutically effective amount of an estetrol component at a daily dose of from 14 mg to 16 mg, based on the estetrol moiety, and drospirenone at a daily dose of from 2.5 mg to 3.5 mg. Also described are methods of contraception that achieves a Pearl Index of <5 in women having a BMI ?30.0 kg/m2, comprising: selecting a woman determined to have a BMI ?30.0 kg/m2, and then orally administering to the selected woman a therapeutically effective amount of an estetrol component at a daily dose of from 14 mg to 16 mg, based on the estetrol moiety, and drospirenone at a daily dose of from 2.5 mg to 3.5 mg, wherein the method comprises daily administration of the estetrol component and drospirenone on 24 consecutive days followed by a hormone-free period of 4 consecutive day.Type: ApplicationFiled: January 16, 2025Publication date: May 15, 2025Applicant: ESTETRA SRLInventors: Jean-Michel FOIDART, Maud JOST
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Publication number: 20250152604Abstract: Described are methods of providing contraception with increased likelihood of scheduled bleeding in a woman having a BMI<30.0 kg/m2 and methods of providing contraception with reduced likelihood of scheduled bleeding in a woman having a BMI?30.0 kg/m2. The methods comprise orally administering a therapeutically effective amount of an estetrol component at a daily dose of from 14 mg to 16 mg, based on the estetrol moiety, and drospirenone at a daily dose of from 2.5 mg to 3.5 mg. Also provided are compositions comprising an estetrol component and drospirenone for use in such methods.Type: ApplicationFiled: February 9, 2023Publication date: May 15, 2025Applicant: ESTETRA SRLInventors: Jean-Michel FOIDART, Maud JOST
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Publication number: 20250099485Abstract: The present invention relates to compositions for preventing hair loss and/or promoting hair growth, a cosmetic or therapeutic treatment wherein such compositions are used and to the associated formulations or dosage units comprising such compositions.Type: ApplicationFiled: November 29, 2022Publication date: March 27, 2025Applicant: ESTETRA SRLInventors: Céline GERARD, Valérie DION
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Patent number: 12233074Abstract: Described are methods of providing contraception in a woman having a BMI?30.0 kg/m2, comprising: selecting a woman determined to have a BMI?30.0 kg/m2, and then orally administering to the selected woman a therapeutically effective amount of an estetrol component at a daily dose of from 14 mg to 16 mg, based on the estetrol moiety, and drospirenone at a daily dose of from 2.5 mg to 3.5 mg. Also described are methods of contraception that achieves a Pearl Index of <5 in women having a BMI?30.0 kg/m2, comprising: selecting a woman determined to have a BMI?30.0 kg/m2, and then orally administering to the selected woman a therapeutically effective amount of an estetrol component at a daily dose of from 14 mg to 16 mg, based on the estetrol moiety, and drospirenone at a daily dose of from 2.5 mg to 3.5 mg, wherein the method comprises daily administration of the estetrol component and drospirenone on 24 consecutive days followed by a hormone-free period of 4 consecutive days.Type: GrantFiled: February 9, 2023Date of Patent: February 25, 2025Assignee: ESTETRA SRLInventors: Jean-Michel Foidart, Maud Jost
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Publication number: 20240238209Abstract: The invention provides an orodispersible solid pharmaceutical dosage unit having a weight between 30 and 1,000 mg, said dosage unit consisting of: 0.1-25 wt. % of estetrol particles containing at least 80 wt. % of an estetrol component selected from estetrol, estetrol esters and combinations thereof; and 75-99.9 wt. % of one or more pharmaceutically acceptable ingredients; the solid dosage unit comprising at least 100 ?g of the estetrol component; and wherein the solid dosage unit can be obtained by a process comprising wet granulation of estetrol particles having a volume weighted average particle size of 2 ?m to 50 ?m. The solid dosage unit is easy to manufacture and perfectly suited for sublingual, buccal or sublabial administration.Type: ApplicationFiled: March 29, 2024Publication date: July 18, 2024Applicant: ESTETRA SRLInventors: Séverine Francine Isabelle JASPART, Johannes Jan PLATTEEUW, Denny Johan Marijn VAN DEN HEUVEL
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Patent number: 11964055Abstract: The invention provides an orodispersible solid pharmaceutical dosage unit having a weight between 30 and 1,000 mg, said dosage unit consisting of: 0.1-25 wt. % of estetrol particles containing at least 80 wt. % of an estetrol component selected from estetrol, estetrol esters and combinations thereof; and 75-99.9 wt. % of one or more pharmaceutically acceptable ingredients; the solid dosage unit comprising at least 100 ?g of the estetrol component; and wherein the solid dosage unit can be obtained by a process comprising wet granulation of estetrol particles having a volume weighted average particle size of 2 ?m to 50 ?m. The solid dosage unit is easy to manufacture and perfectly suited for sublingual, buccal or sublabial administration.Type: GrantFiled: October 18, 2021Date of Patent: April 23, 2024Assignee: ESTETRA SRLInventors: Séverine Francine Isabelle Jaspart, Johannes Jan Platteeuw, Denny Johan Marijn Van Den Heuvel
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Patent number: 11957694Abstract: An orodispersible solid pharmaceutical dosage unit of estetrol is disclosed. The solid dosage unit is easy to manufacture and suited for sublingual, buccal or sublabial administration. The orodispersible solid pharmaceutical dosage unit can include at least 100 ?g of an estetrol component and pharmaceutically acceptable excipients. Methods of manufacturing the orodispersible solid pharmaceutical dosage unit are also disclosed.Type: GrantFiled: May 26, 2020Date of Patent: April 16, 2024Assignee: ESTETRA SRLInventors: Séverine Francine Isabelle Jaspart, Johannes Jan Platteeuw, Denny Johan Marijn Van Den Heuvel
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Patent number: 11896602Abstract: The present invention relates to a method for the management of dysmenorrhea involving administration of an estrogenic component which is preferably selected from the group consisting of estetrol and estetrol-like compounds. Estetrol-like compounds have been surprisingly found to be capable of mitigating dysmenorrhea, either when used alone or in combination with progestogenic components, and this to an extent surpassing the effect obtained with other compositions and with a favourable side-effect profile compared to currently available methods.Type: GrantFiled: September 30, 2022Date of Patent: February 13, 2024Assignee: ESTETRA SRLInventors: Maud Jost, Glwadys Rausin
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Patent number: 11793760Abstract: The invention provides an orodispersible solid pharmaceutical dosage unit having a weight between 30 and 1,000 mg, said dosage unit consisting of: 0.1-25 wt. % of estetrol particles containing at least 80 wt. % of an estetrol component selected from estetrol, estetrol esters and combinations thereof; and 75-99.9 wt. % of one or more pharmaceutically acceptable ingredients; the solid dosage unit comprising at least 100 ?g of the estetrol component; and wherein the solid dosage unit can be obtained by a process comprising wet granulation of estetrol particles having a volume weighted average particle size of 2 ?m to 50 ?m. The solid dosage unit is easy to manufacture and perfectly suited for sublingual, buccal or sublabial administration.Type: GrantFiled: May 12, 2023Date of Patent: October 24, 2023Assignee: ESTETRA SRLInventors: Séverine Francine Isabelle Jaspart, Johannes Jan Platteeuw, Denny Johan Marijn Van Den Heuvel
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Publication number: 20230293442Abstract: The invention provides an orodispersible solid pharmaceutical dosage unit having a weight between 30 and 1,000 mg, said dosage unit consisting of: 0.1-25 wt.% of estetrol particles containing at least 80 wt.% of an estetrol component selected from estetrol, estetrol esters and combinations thereof; and 75-99.9 wt.% of one or more pharmaceutically acceptable ingredients; the solid dosage unit comprising at least 100 µg of the estetrol component; and wherein the solid dosage unit can be obtained by a process comprising wet granulation of estetrol particles having a volume weighted average particle size of 2 µm to 50 µm. The solid dosage unit is easy to manufacture and perfectly suited for sublingual, buccal or sublabial administration.Type: ApplicationFiled: May 12, 2023Publication date: September 21, 2023Applicant: ESTETRA SRLInventors: Séverine Francine Isabelle JASPART, Johannes Jan PLATTEEUW, Denny Johan Marijn VAN DEN HEUVEL