DE102012009057A1 - Rotational pessary made from a polymer comprises an active substance against premature births - Google Patents
Rotational pessary made from a polymer comprises an active substance against premature births Download PDFInfo
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- DE102012009057A1 DE102012009057A1 DE201210009057 DE102012009057A DE102012009057A1 DE 102012009057 A1 DE102012009057 A1 DE 102012009057A1 DE 201210009057 DE201210009057 DE 201210009057 DE 102012009057 A DE102012009057 A DE 102012009057A DE 102012009057 A1 DE102012009057 A1 DE 102012009057A1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F6/00—Contraceptive devices; Pessaries; Applicators therefor
- A61F6/06—Contraceptive devices; Pessaries; Applicators therefor for use by females
- A61F6/08—Pessaries, i.e. devices worn in the vagina to support the uterus, remedy a malposition or prevent conception, e.g. combined with devices protecting against contagion
-
- 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
- A61K31/57—Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane or progesterone
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- Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Epidemiology (AREA)
- Pharmacology & Pharmacy (AREA)
- Medicinal Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Reproductive Health (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Medicinal Preparation (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
Description
Pro Jahr werden weltweit 13 Millionen Kinder zu früh geboren, davon versterben ca. 1 Million an den Folgen der Frühgeburtlichkeit und viele überleben mit schwerer Behinderung. Aufgabe dieser Erfindung ist die Weiterentwicklung eines Rotationspessars, das zusätzlich zu der bisher bekannten Wirkung Frühgeburten noch effizienter verhindern kann.Every year, 13 million children are born prematurely worldwide, of which approximately 1 million die as a result of preterm birth and many survive with severe disabilities. The object of this invention is the further development of a rotational pessary which, in addition to the previously known effect, can prevent premature births even more efficiently.
Wirkstoffträgerexcipient
Bei gynäkologischen Patientinnen werden bereits seit langer Zeit Pessare und Vaginalringe eingesetzt, die mit pharmazeutischen Wirkstoffen versehen sind. Hierzu gehören Pessare, die täglich eine geringe Menge von Gestagenen und Östrogenen absondern, die entweder als Kontrazeption oder als Substitutionstherapie – etwa nach der Entfernung der Ovarien wegen eines Karzinoms – gedacht sind. Eine solche Anwendung wird z. B. in der
Den beschriebenen Anwendungen ist gemeinsam, dass sie nur eine kurz- bis mittelfristige Abgabe der Wirkstoffe ermöglichen. Die beschriebenen Anwendungsfälle sind nicht mit dem Erfindungsgegenstand vergleichbar, da selbst bei vaginaler Anwendung der Wirkstoffträger schnell vom Nutzer bzw. der Nutzerin ausgetauscht wird.The applications described have in common that they allow only a short to medium term delivery of the active ingredients. The applications described are not comparable with the subject invention, since even with vaginal application of drug carriers is quickly replaced by the user.
Verhinderung der FrühgeburtPrevention of premature birth
Eine Zusammenfassung über die Pessartherapie zur Verhinderung der Frühgeburt findet sich bei
Als ein Stützpessar, das in der Schwangerschaft angewandt wurde, gilt das Pessar nach Hamann, das jedoch bisher nie in randomisierten Studien getestet und bei dem keine Rotation der Zervix nachgewiesen wurde. Dieses Pessar wird u. a. unter der Internetseite
Der Wirkmechanismus des Arabin-Pessars, zu finden unter www.drarabin.de, beruht nicht allein darauf, dass der Zervixkanal verschlossen wird. Die Zervix uteri wird von der zentralen Öffnung im Pessar aufgenommen und nach hinten gedreht. Durch die Rotation und breite Abstützung des Pessars auf dem Beckenboden wird die Zervix entlastet. Dabei wird der intrauterine Druck auf die Uterusvorderwand infolge dorsoventraler Pessarschrägstellung und Sakrastellung der Zervix uteri verlagert. Die Anwendung wird auch beschrieben in
Unter dem Begriff Rotationspessar wird im Folgenden jedes Pessar verstanden, das die hier benannte Wirkung zeigt.The term rotational pessary is understood below to mean any pessary that exhibits the effect named here.
Zunächst haben Beobachtungsstudien (evidence level III) ergeben, dass durch die Behandlung mit dem Arabin-Pessar die Zahl der Frühgeburten bei kritisch verlaufenden Schwangerschaft sowohl bei Einlings- und Mehrlings-Schwangerschaften wesentlich reduziert werden kann:
Neueste Kernspinnaufnahmen konnten bisher nur für das Arabin-Pessar zeigen, dass die Zervix nach Behandlung nach sakral rotiert und dann in vielen Fällen sogar länger wird (
Zum ersten Mal überhaupt ist es jetzt aber gelungen, in einer prospektiven randomisierten Studie (evidence level I) die Wirkung des Arabin-Pessars auf eine drastische Reduktion der Frühgeburtlichkeit nachzuweisen, wobei auch das Outcome der Kinder deutlich verbessert wurde, nämlich von
Unabhängig von den Studien zur Wirkung der Pessare bei der Vermeidung von Frühgeburten wurde bereits früher und jetzt wieder aktuell festgestellt, dass eine Behandlungen mit Progesteron, dem wichtigsten der Gelbkörperhormone, das im Corpus luteum hergestellt wird, Frühgeburten bei Patientinnen mit vorzeitiger Verkürzung der Zervix reduzieren kann.Regardless of the studies on the effects of pessaries in the prevention of premature birth, it has previously been reported that treatment with progesterone, the most important of the luteal hormones produced in the corpus luteum, may reduce premature birth in patients with premature cervical shortening ,
In der frühen Schwangerschaft besteht die Wirkung des Progesterons darin, dass es die Gebärmutterschleimhaut zur Aufnahme des befruchteten Eies vorbereitet und der Aufrechterhaltung der Schwangerschaft dient. Diese Wirkung der Behandlung mit Progesteron wird in einer Vielzahl von Arbeiten beschrieben, zusammengefasst bei
In der fortgeschrittenen Schwangerschaft kann es jedoch auch zu einer vorzeitigen Verkürzung der Zervix mit einer Auflockerung des zervikalen Gewebes und einer Desorganisation des kollagenen Bindegewebes der Zervix kommen. Diese Gewebeumstrukturierung kann durch die Zuführung von Progesteron wenn nicht ganz verhindert, zumindest aber vermindert werden. Zusätzlich soll dem Progesteron eine antiphlogistische Wirkung zukommen.In advanced pregnancy, however, premature shortening of the cervix may occur with cervical tissue loosening and disorganization of the collagenous connective tissue of the cervix. This tissue remodeling can be prevented, if not completely prevented, by the addition of progesterone. In addition, the progesterone should have an antiphlogistic effect.
Es gibt aus den vergangenen Jahren bis jetzt mehrere Arbeiten, die die frühgeburtsverhindernde Wirkung des Progesterons in klinischen Studien belegen. Hier sollen nur die wichtigsten aufgeführt werden:
Progesteron hat, wie z. B. in
Eine orale Verabreichung dieser Gestagene hat den Nachteil, dass die Wirkstoffe nicht zielgenau am Bedarfsort zugeführt werden, sondern sie über den Körper der Frau verteilt und sogar metabolisiert werden. Bessere Wirkungen werden erzielt durch eine intramuskuläre Applikation, (dabei wurde bisher vorzugsweise 17-alpha Hydroxy-Progesteron-Caproat angewandt) sowie den Einsatz von Suppositorien in der Vagina der Schwangeren. Allerdings ergibt sich auch hier der Nachteil, dass die Wirkstoffe parenteral oder verteilt über die gesamte vaginale Schleimhaut dem Körper der Schwangeren zugeführt werden und deshalb relativ große Wirkstoffmengen zugeführt werden müssen, um im Bereich des Zervix uteri die beabsichtigte Wirkung zu entfalten.Oral administration of these progestagens has the disadvantage that the active ingredients are not accurately delivered at the site of need, but they are distributed over the woman's body and even metabolized. Better effects are achieved by intramuscular administration (17-alpha hydroxy-progesterone caproate has been used to date) and the use of suppositories in the pregnant woman's vagina. However, there is also the disadvantage here that the active ingredients parenterally or distributed over the entire vaginal mucous membrane are supplied to the body of pregnant women and therefore relatively large amounts of active substance must be supplied in order to develop the intended effect in the area of the cervix uteri.
Beschreibung der ErfindungDescription of the invention
Erfindungsgemäß wird daher vorgesehen, dass in den bisher vorwiegend mechanisch wirkenden Rotationspessaren zusätzlich Wirkstoffe eingebracht werden oder die Wirkstoffe in biologisch abbaubaren Schichten enthalten sind, die in den wirksamen Teilbereichen auf die Oberfläche des Pessars aufgebracht werden. Die so bereitgestellten Wirkstoffe werden retardierend über einen Zeitraum von 1–5 Monaten abgegeben, je nachdem, zu welchem Zeitpunkt der Schwangerschaft das Pessar appliziert wird. Auf Grund ihrer pharmakologischen Wirkung unterstützen diese Wirkstoffe die antiphlogistische Wirkung und Stabilität des inneren Muttermundes, dessen Eröffnung eine erste Stufe im Syndrom der Frühgeburtlichkeit darstellt. Da häufig nicht bekannt ist, ob die biochemischen Prozesse oder die mechanische Belastung der Zervix ursächlich sind für die Verkürzung der Zervix und dann zur Frühgeburt führen, kann durch die erfindungsgemäße Kombination der Rotationspessare mit den Gestagenen eine potenzierende Wirkung erzielt werden. Von unschätzbarem Vorteil ist dabei, dass durch den Druck des Pessars im oberen Vaginalpol kein Wirkstoff verloren geht, sowie der Wirkstoff ganz gezielt am gewünschten Wirkort abgegeben wird.According to the invention it is therefore provided that in the hitherto mainly mechanically acting rotational pessaries in addition active ingredients are introduced or the active ingredients are contained in biodegradable layers, which are applied in the effective partial areas on the surface of the pessary. The so provided Drugs are released over a 1-5 month period, depending on the time of pregnancy when the pessary is applied. Due to their pharmacological action, these active ingredients support the antiinflammatory action and stability of the internal cervical os, the opening of which represents a first stage in the preterm birth syndrome. Since it is often unknown whether the biochemical processes or the mechanical stress on the cervix are the cause of the shortening of the cervix and then of prematurity, a potentiating effect can be achieved by the combination according to the invention of the rotational pessaries with the progestins. Of inestimable advantage is that no active ingredient is lost by the pressure of the pessary in the upper vaginal pole, as well as the drug is delivered specifically targeted to the desired site of action.
In der Variante des Auftrags auf dem Pessar können die Wirkstoffe auf das Rotations- oder Stützpessar in einer oder mehreren Schichten aufgetragen werden, aus denen sie retardierend über den vorgesehenen Zeitraum abgegeben werden. Durch die Zahl der Schichten kann der Einsatz der Wirkstoffe an den zeitlichen Wirkstoffbedarf angepasst werden (kurze Anwendungszeit = eine Schicht etc.). Als Trägersubstanzen der Auftragsschicht kommen vor allem wasserunlösliche Polymere synthetischen, halbsynthetischen und natürlichen Ursprunges in Frage. Dazu zählen Cellulosederivate, z. B. Celluloseacetat, Ethylcellulose, Celluloseacetatphthalat, Hydroxypropylmethylcelluloseacetatsuccinat, Acrylatderivate, z. B. Eudragite, Poly(methylmethacrylat) und vor allem auch biokompatible und bioabbaubare Polymere wie Polyanhydride, Polyester, Polyorthoester, Polyurethane, Polycarbonate, Polyphosphazene und Polyacetale. Wichtig dabei sind Polyester wie Polylaktid, Polyglykolid, Polycaprolacton, Polyhydroxybutyrat oder -valerat. Es können auch Co- oder Terpolymere oder auch Kombinationen der Trägersubstanzen verwendet werden.In the variant of the order on the pessary, the active ingredients can be applied to the rotational or support pessary in one or more layers, from which they are given over the intended period in a retarding manner. Due to the number of layers, the use of the active ingredients can be adapted to the temporal active substance requirement (short application time = one shift, etc.). Suitable carrier substances of the application layer are, in particular, water-insoluble polymers of synthetic, semi-synthetic and natural origin. These include cellulose derivatives, eg. Cellulose acetate, ethylcellulose, cellulose acetate phthalate, hydroxypropylmethylcellulose acetate succinate, acrylate derivatives, e.g. As Eudragite, poly (methyl methacrylate) and especially also biocompatible and biodegradable polymers such as polyanhydrides, polyesters, polyorthoesters, polyurethanes, polycarbonates, polyphosphazenes and polyacetals. Important here are polyesters such as polylactide, polyglycolide, polycaprolactone, polyhydroxybutyrate or valerate. It is also possible to use copolymers or terpolymers or else combinations of the carrier substances.
Zu den Lösungsmitteln, in die das Trägermaterial eingearbeitet wird, gehören Wasser, Ethanol, Citratester (z. B. Triethylcitrat), Triacetin, Propylenglykol, Glycerol, Polyethylenglykol, Aceton, Ethylacetat, Methylacetat, Dimethylformamid, Dimethylsulfoxid, Dimethylacetamid, 2-Pyrrolidon, N-Methyl-2-Pyrrolidon. Es können auch Lösungsmittelgemische verwendet werden, ausgewählt z. B. nach der Lösungsmittelqualität für das Polymer oder Mischbarkeit mit wässrigen und öligen Phasen. Durch die Lösungsmittelauswahl kann die Mischbarkeit der Trägerflüssigkeit mit Körperflüssigkeiten, der äusseren Phase und die Verfestigung der Trägerphase beeinflusst werden. Die Viskosität der Trägerphase kann durch den Träger (z. B. Molmasse, Konzentration etc.) und auch durch das Lösungsmittel beeinflusst werden.The solvents in which the carrier is incorporated include water, ethanol, citrate esters (eg, triethyl citrate), triacetin, propylene glycol, glycerol, polyethylene glycol, acetone, ethyl acetate, methyl acetate, dimethylformamide, dimethylsulfoxide, dimethylacetamide, 2-pyrrolidone, N -methyl-2-pyrrolidone. It can also be used solvent mixtures selected z. As to the solvent quality for the polymer or miscibility with aqueous and oily phases. The choice of solvent can influence the miscibility of the carrier fluid with body fluids, the outer phase and the solidification of the carrier phase. The viscosity of the carrier phase can be influenced by the carrier (eg molecular weight, concentration, etc.) and also by the solvent.
Alternativ zum Auftrag wirkstoffhaltiger Schichten werden die Wirkstoffe in den Werkstoffen des Rotations- oder Stützpessars direkt eingearbeitet, so dass die Wirkstoffabgabe im wesentlichen direkt aus dem Pessar über die Berührungsflächen zwischen Pessar und Zervix erfolgt.As an alternative to the application of active ingredient-containing layers, the active ingredients are incorporated directly into the materials of the rotational or supporting pessary, so that the active ingredient is released substantially directly from the pessary via the contact surfaces between pessary and cervix.
Ebenso erfolgt eine Wirkstoffabgabe von der Pessaroberfläche an das Vaginalsekret und von diesem an die Oberfläche der Vaginalschleimhaut. Die Wirkstoffe werden in den vorstehend beschriebenen Trägermaterialien so dosiert, dass die regelmäßige Abgabe in einer täglichen Dosis von 10 mg bis 100 mg, bevorzugt aber in einer Dosis von 30 mg bis 50 mg erfolgt.Likewise, drug delivery occurs from the pessary surface to the vaginal secretions and from there to the surface of the vaginal mucosa. The active ingredients are dosed in the carrier materials described above so that the regular delivery in a daily dose of 10 mg to 100 mg, but preferably takes place in a dose of 30 mg to 50 mg.
Je nach Medium kann die Verlaufskurve der Wirkstoffabgabe zeigt über die Zeit auf Grund der eintretenden Lösungseffekte zwischen Vaginalsekret bzw. der diffundierenden Zellflüssigkeit zwischen Zervixoberfläche und Pessar variieren. Um die Abgabe über den Zeitverlauf auf einem ausreichend hohen Niveau zu halten, kann der Auftrag der Wirkstoffe in mehreren Schichten erfolgen, wobei die Schichten zeitlich nacheinander aufgelöst werden, so dass es nach Auflösung der jeweils obersten Schicht zu einem erneuten Ansteigen der Wirkstoffabgabe aus der nachfolgenden Schicht kommt.Depending on the medium, the course of drug delivery may vary over time due to the effect of solubilization between vaginal secretions or diffusing cell fluid between the cervical surface and the pessary. To keep the delivery over the course of time to a sufficiently high level, the order of the active ingredients can be carried out in several layers, wherein the layers are successively resolved, so that it after dissolution of each topmost layer to a renewed increase in drug delivery from the subsequent Shift is coming.
Grundsätzlich wird nicht ausgeschlossem, dass ein Pessar nach Abgabe des Wirkstoffs Progesteron durch ein neues ersetzt wird.Basically, it is not excluded that a pessary after delivery of the drug progesterone is replaced by a new one.
Beschreibung der AbbildungenDescription of the pictures
BezugszeichenlisteLIST OF REFERENCE NUMBERS
- 1010
- Cervix uteriCervix uteri
- 1515
- Uterusuterus
- 2020
- RotationspessarRotationspessar
- 2121
- Innendurchmesser des Pessars = zentrale ÖffnungInner diameter of the pessary = central opening
- 2222
- Außendurchmesser des PessarsOuter diameter of the pessary
- 2323
- Wirkstoffschicht(en)Active substance layer (s)
ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- DE 10151365 A1 [0002] DE 10151365 A1 [0002]
- EP 1646378 B1 [0003] EP 1646378 B1 [0003]
- EP 1478352 B1 [0004] EP 1478352 B1 [0004]
- EP 1620060 B1 [0006, 0006] EP 1620060 B1 [0006, 0006]
- EP 1317304 B1 [0007] EP 1317304 B1 [0007]
- WO 2010065936 A1 [0019] WO 2010065936 A1 [0019]
Zitierte Nicht-PatentliteraturCited non-patent literature
- Dharan VB und Ludmir J: Alternative Treatment for a Short Cervix: The Cervical pessary (Semin Perinatol 2009; 33: 338–42) [0008] Dharan VB and Ludmir J: Alternative Treatment for a Short Cervix: The Cervical Pessary (Semin Perinatol 2009; 33: 338-42) [0008]
- http://www.viomed.de/de/cerclagepessar_hamann [0009] http://www.viomed.de/en/cerclagepessar_hamann [0009]
- Arabin B et al: Is treatment with vaginal pessaries an option in patients with a sonographically detected short cervix? (J Perinat Med 2003; 31: 122–133) [0010] Arabin B et al .: Is treatment with vaginal pessaries an option in patients with a sonographically detected short cervix? (J Perinat Med 2003; 31: 122-133) [0010]
- Quaas L et al: The Arabin Cerclage Pessary-an alternative to surgery (Geburtsh Frauenheilk 1990; 50: 429–33) [0012] Quaas L et al: The Arabin Cerclage Pessary-alternative to surgery (Geburtsh Frauenheilk 1990; 50: 429-33) [0012]
- Arabin B et al: Is treatment with vaginal pessaries an option in patients with a sonographically detected short cervix (J Perinat Med 2003; 31: 122–133) [0012] Arabin B et al: Is treatment with vaginal pessaries option in patients with a sonographically detected short cervix (J Perinat Med 2003; 31: 122-133). [0012]
- Archayra G et al: Noninvasive cerclage for the management of cervical incompetence: a prospective study (Arch. Gynecol. Obstet 2006; 273: 283–287) [0012] Archayra G et al: Noninvasive cerclage for the management of cervical incompetence: a prospective study (Arch. Gynecol. Obstet 2006; 273: 283-287). [0012]
- Jani J et al [0013] Jani J et al [0013]
- Goya et al: Cervical pessary in pregnant women with a short cervix (PECEP): an open-label randomised controlled trial (www.thelancet.com, published online April, 3, 2012) [0014] Goya et al: Cervical pessary in pregnant women with a short cervix (PECEP): open-label randomized controlled trial (www.thelancet.com, published online April, 3, 2012) [0014]
- Wahabi HA et al: Progestogen in treating threatened miscarriage (Review). (Cochrane Collaboration, The cochrane Libary 2011: Issue 12) [0016] Wahabi HA et al .: Progestogen in treating threatened miscarriage (Review). (Cochrane Collaboration, The Cochrane Libary 2011: Issue 12) [0016]
- Fonseca EB et al: Progesterone and the risk of preterm birth among women with a short cervix (New Engl J Med 2007; 377: 462–9) [0018] Fonseca EB et al: Progesterone and the risk of preterm birth among women with a short cervix (New Engl J Med 2007; 377: 462-9) [0018]
- Romero R: Prevention of spontaneous preterm birth: the role of sonographic cervical length in identifying patients who may benefit from progesterone treatment (Ultrasound Obstet Gynecol 2007; 30: 675–686) [0018] Romero R: Prevention of spontaneous preterm birth: the role of cervical length in identifying patients who may benefit from progesterone treatment (Ultrasound Obstet Gynecol 2007; 30: 675-686) [0018]
- Hassan SS et al: Vaginal progesterone reduces the rate of preterm birth in women with a sonographic short cervix: a multicenter, randomized, double-blind, placebo-controlled trial (Ultrasound Obstet Gynecol 2011; 38: 18–31) [0018] Hassan SS et al: Vaginal progesterone reduces the rate of preterm birth in women with a sonographic short cervix: a multicenter, randomized, double-blind, placebo-controlled trial (Ultrasound Obstet Gynecol 2011; 38: 18-31) [0018]
- Wiley Online Library (wileyonlinelibrary.com). DOI: 10.1002/uog.9017 [0018] Wiley Online Library (wileyonlinelibrary.com). DOI: 10.1002 / uog.9017 [0018]
- Romero R et al: Vaginal progesterone in women with an asymptomatic sonographic short cervix in the midtrimester decreases preterm delivery and neonatal morbidity: a systematic review and metaanalysis of individual patient data (Am J Obstet Gynecol 2012; 124: .e1–19) [0018] Romero R et al: Vaginal progesterone in women with asymptomatic sonographic short cervix in the mid-trimester decreases preterm delivery and neonatal morbidity: a systematic review and meta-analysis of individual patient data (Am J Obstet Gynecol 2012, 124: 1-1-19) [0018 ]
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201210009057 DE102012009057A1 (en) | 2012-05-09 | 2012-05-09 | Rotational pessary made from a polymer comprises an active substance against premature births |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201210009057 DE102012009057A1 (en) | 2012-05-09 | 2012-05-09 | Rotational pessary made from a polymer comprises an active substance against premature births |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE102012009057A1 true DE102012009057A1 (en) | 2013-11-14 |
Family
ID=49475199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE201210009057 Withdrawn DE102012009057A1 (en) | 2012-05-09 | 2012-05-09 | Rotational pessary made from a polymer comprises an active substance against premature births |
Country Status (1)
| Country | Link |
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| DE (1) | DE102012009057A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015198104A1 (en) | 2014-06-28 | 2015-12-30 | Laboratorios Andromaco S.A. | Cerclage pessary containing progesterone for prolonged, sustained and continuous release, used to prevent premature birth |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015198104A1 (en) | 2014-06-28 | 2015-12-30 | Laboratorios Andromaco S.A. | Cerclage pessary containing progesterone for prolonged, sustained and continuous release, used to prevent premature birth |
| CN105392454A (en) * | 2014-06-28 | 2016-03-09 | 安德罗玛克实验室股份有限公司 | A cerclage pessary containing prolonged, unchanged, and sustained-release progesterone for the prevention of preterm labor |
| EP2982352A4 (en) * | 2014-06-28 | 2017-06-14 | Laboratorios Andrómaco S.A. | Cerclage pessary containing progesterone for prolonged, sustained and continuous release, used to prevent premature birth |
| JP2017524030A (en) * | 2014-06-28 | 2017-08-24 | ラボラトリオス アンドロマコ ソシエダッド アノニマ | Fastened vaginal suppository containing long-lasting, sustained-release luteinizing hormone useful for preterm birth prevention |
| US9820994B2 (en) | 2014-06-28 | 2017-11-21 | Laboratorios Andromaco S.A. | Cerclage pessary containing progesterone of prolonged, sustained, and continuous release useful for prevention of preterm birth |
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