DK175311B1 - Vanduoplöselige polypeptider - Google Patents
Vanduoplöselige polypeptider Download PDFInfo
- Publication number
- DK175311B1 DK175311B1 DK198805189A DK518988A DK175311B1 DK 175311 B1 DK175311 B1 DK 175311B1 DK 198805189 A DK198805189 A DK 198805189A DK 518988 A DK518988 A DK 518988A DK 175311 B1 DK175311 B1 DK 175311B1
- Authority
- DK
- Denmark
- Prior art keywords
- water
- peptide
- composition according
- pharmaceutical composition
- insoluble
- Prior art date
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- 102000004196 processed proteins & peptides Human genes 0.000 title description 19
- 229920001184 polypeptide Polymers 0.000 title description 8
- 150000003839 salts Chemical class 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 239000008194 pharmaceutical composition Substances 0.000 claims description 11
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- 239000000243 solution Substances 0.000 claims description 6
- 101000904173 Homo sapiens Progonadoliberin-1 Proteins 0.000 claims description 5
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- 101000996723 Sus scrofa Gonadotropin-releasing hormone receptor Proteins 0.000 claims description 5
- 229920002988 biodegradable polymer Polymers 0.000 claims description 5
- 229920001577 copolymer Polymers 0.000 claims description 5
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- 229920003178 (lactide-co-glycolide) polymer Polymers 0.000 description 1
- TUSDEZXZIZRFGC-UHFFFAOYSA-N 1-O-galloyl-3,6-(R)-HHDP-beta-D-glucose Natural products OC1C(O2)COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC1C(O)C2OC(=O)C1=CC(O)=C(O)C(O)=C1 TUSDEZXZIZRFGC-UHFFFAOYSA-N 0.000 description 1
- SJZRECIVHVDYJC-UHFFFAOYSA-N 4-hydroxybutyric acid Chemical compound OCCCC(O)=O SJZRECIVHVDYJC-UHFFFAOYSA-N 0.000 description 1
- 101800001288 Atrial natriuretic factor Proteins 0.000 description 1
- 102400001282 Atrial natriuretic peptide Human genes 0.000 description 1
- 101800001890 Atrial natriuretic peptide Proteins 0.000 description 1
- 102400000113 Calcitonin Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 239000001263 FEMA 3042 Substances 0.000 description 1
- 229940121710 HMGCoA reductase inhibitor Drugs 0.000 description 1
- LRBQNJMCXXYXIU-PPKXGCFTSA-N Penta-digallate-beta-D-glucose Natural products OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@@H]2[C@H]([C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-PPKXGCFTSA-N 0.000 description 1
- 241000717965 Pepsis Species 0.000 description 1
- 108010071384 Peptide T Proteins 0.000 description 1
- 229920001710 Polyorthoester Polymers 0.000 description 1
- 102000003946 Prolactin Human genes 0.000 description 1
- 108010057464 Prolactin Proteins 0.000 description 1
- 101710142969 Somatoliberin Proteins 0.000 description 1
- 102100022831 Somatoliberin Human genes 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229920000249 biocompatible polymer Polymers 0.000 description 1
- 238000006065 biodegradation reaction Methods 0.000 description 1
- 229960000074 biopharmaceutical Drugs 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- NSQLIUXCMFBZME-MPVJKSABSA-N carperitide Chemical compound C([C@H]1C(=O)NCC(=O)NCC(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CCSC)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@H](C(NCC(=O)N[C@@H](C)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CO)C(=O)NCC(=O)N[C@@H](CC(C)C)C(=O)NCC(=O)N[C@@H](CSSC[C@@H](C(=O)N1)NC(=O)[C@H](CO)NC(=O)[C@H](CO)NC(=O)[C@H](CCCNC(N)=N)NC(=O)[C@H](CCCNC(N)=N)NC(=O)[C@H](CC(C)C)NC(=O)[C@@H](N)CO)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CO)C(=O)N[C@@H](CC=1C=CC=CC=1)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CC=1C=CC(O)=CC=1)C(O)=O)=O)[C@@H](C)CC)C1=CC=CC=C1 NSQLIUXCMFBZME-MPVJKSABSA-N 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000002552 dosage form Substances 0.000 description 1
- 229940088598 enzyme Drugs 0.000 description 1
- 238000013265 extended release Methods 0.000 description 1
- LRBQNJMCXXYXIU-QWKBTXIPSA-N gallotannic acid Chemical compound OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@H]2[C@@H]([C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-QWKBTXIPSA-N 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229940088597 hormone Drugs 0.000 description 1
- 239000005556 hormone Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- WLJNZVDCPSBLRP-UHFFFAOYSA-N pamoic acid Chemical compound C1=CC=C2C(CC=3C4=CC=CC=C4C=C(C=3O)C(=O)O)=C(O)C(C(O)=O)=CC2=C1 WLJNZVDCPSBLRP-UHFFFAOYSA-N 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000004633 polyglycolic acid Substances 0.000 description 1
- 239000004626 polylactic acid Substances 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 229940097325 prolactin Drugs 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002510 pyrogen Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 239000012730 sustained-release form Substances 0.000 description 1
- 229920002258 tannic acid Polymers 0.000 description 1
- 229940033123 tannic acid Drugs 0.000 description 1
- 235000015523 tannic acid Nutrition 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 229960005486 vaccine Drugs 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/0012—Galenical forms characterised by the site of application
- A61K9/0019—Injectable compositions; Intramuscular, intravenous, arterial, subcutaneous administration; Compositions to be administered through the skin in an invasive manner
- A61K9/0024—Solid, semi-solid or solidifying implants, which are implanted or injected in body tissue
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
- A61K38/04—Peptides having up to 20 amino acids in a fully defined sequence; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
- A61K38/04—Peptides having up to 20 amino acids in a fully defined sequence; Derivatives thereof
- A61K38/08—Peptides having 5 to 11 amino acids
- A61K38/09—Luteinising hormone-releasing hormone [LHRH], i.e. Gonadotropin-releasing hormone [GnRH]; Related peptides
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
- A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
- A61K9/1605—Excipients; Inactive ingredients
- A61K9/1629—Organic macromolecular compounds
- A61K9/1641—Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, poloxamers
- A61K9/1647—Polyesters, e.g. poly(lactide-co-glycolide)
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Pharmacology & Pharmacy (AREA)
- Veterinary Medicine (AREA)
- Chemical & Material Sciences (AREA)
- Public Health (AREA)
- Bioinformatics & Cheminformatics (AREA)
- General Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Animal Behavior & Ethology (AREA)
- Epidemiology (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Immunology (AREA)
- Gastroenterology & Hepatology (AREA)
- Endocrinology (AREA)
- Reproductive Health (AREA)
- Biomedical Technology (AREA)
- Neurosurgery (AREA)
- Dermatology (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Medicinal Preparation (AREA)
Description
i DK 175311 B1
Den foreliggende opfindelse angår farmaceutiske præparater indeholdende terapeutisk aktive, men vanduopløselige polypeptider, hvilke præparater giver en kontinuerlig, reguleret og forlænget afgivelse af sådanne peptider, når de anbringes i fysiologiske omgivelser ved hjælp af implantater eller injektioner under huden eller , 5 i muskulaturen på dyr og mennesker.
Den foreliggende opfindelse angår endvidere anvendelse af bionedbrydelige og bio-kompatible polymerer og copolymerer som matrix, i hvilken de vanduopløselige polypeptider er dispergeret, indesluttet eller indkapslet.
10
Behovet for tilvejebringelse af forlænget afgivelse af peptider til parenteral administration har været erkendt i lang tid (jfr. T.M.S. Chang, "Biodegradable Semipermeable Microcapsules containing enzymes, hormones, vaccines and other biolo-gicals" i 3. Bioengineering 1, 25 (1976); R. Langer, "Controlled Release of Macro-15 molecules" i Chemtech, februar 1982, s. 98-105; F.G. Hutchinson og BJ.A. Furr, "Biodegradable carriers for the sustained release of polypeptides" i TIBTECH, april 1987 (bind 5), s. 102-106).
En række sådanne formuleringer, men anvendt på vandopløselige polypeptider, er 20 beskrevet i EP 0052510, ’’Microencapsulation of water soluble polypeptides’’ og i EP 0058481, "Continuous release pharmaceutical compositions".
I kendte præparater med kontinuerlig peptidafgivelse (EP-A2 0211267) anvendes sådanne peptidsalte, som oprindeligt har høj vandopløselighed.
25
Det hidtil ukendte, overraskende og helt uventede træk ved den foreliggende op- ·» findelse ligger i, at terapeutisk nyttige præparater med landvarig og reguleret afgi-t velse med fordel kan fås ved anvendelse af i det væsentlige vanduopløselige pep tider, som har en umåleligt lav opløselighed i vandig opløsning ved stue- eller 30 legemstemperatur, men giver en effektiv og reguleret afgivelse af sådanne peptider, når præparater deraf administreres parenteralt i fysiologiske, i det væsentlige vandige omgivelser.
Det er en hidtil ukendt og overraskende konsekvens af den foreliggende opfindelse, 35 at polypeptider, der normalt er vandopløselige i naturen eller ved syntetisk frem-
I DK 175311 B1 I
I 2 I
I stilling, med fordel kan gøres vanduopløselige ved dannelse af uopløselige additi- I
I onssalte såsom med pamosyre, garvesyre, stearinsyre og andre ikke-toxiske vand- I
I uopløselige syrer, før de mikroindkapsles eller dispergeres i en bionedbrydelig po- I
I lymermatrix. I
I 5 I
I I
I Anvendelse af tungtopløselige eller vanduopløselige derivater er naturligvis vel- I
I kendt, også inden for peptidområdet (jfr. Schally et al., US 4.010.125, spalte 7, „ I
I linje 25), når der er behov for depotdoseringsformer med langsom afgivelse. I
I 10 Nar bionedbrydelige polymerer såsom polymælkesyre, polyglycolsyre, poly- I
I hydroxysmørsyre, polyorthoestere, polyacetaler og lignende anvendes som læge- I
I middeltransportsystemer, har afgivelse af peptiderne på kontinuerlig måde imid- I
I lertid altid krævet en betydelig vandopløselighed. Beskrevne forsøg har vist, at I
I bionedbrydningen af polymerer (såsom fx polylactid og polylactid-co-glycolid) fører I
I 15 til vandoptagelse og dannelse af vandholdige kanaler eller porer, hvorfra peptider I
I lækker ud, fordi de er vandopløselige. I
I Det har nu overraskende vist sig, at peptider kan afgives fra matricer og mikro- I
I kapsler med et særdeles ønskeligt afgivelsesmønster, når deres vandopløselighed I
I 20 formindskes til praktisk talt nul, hvilket er i modstrid med det, der er beskrevet i I
I den kendte teknik. Det har især ifølge opfindelsen vist sig, at afgivelse af visse I
I peptider såsom D-Trp6 LHRH fra polymere matricer er bedre med hensyn til ensar- I
I tethed og varighed, jo mere vanduopløseligt additionssaltet af peptidet er. I
I 25 "Vanduopløselighed" defineres i nærværende sammenhæng som den mængde I
I peptid, der kan måles i opløsning, når saltet dispergeres eller omrøres i 4 timer i I
I destilleret vand ved temperaturer på 40°C eller derunder, idet en sådan mængde - I
I er 25 mg/l eller derunder (0-25 ppm). I
I i
30 Det er meget ønskeligt at administrere biologisk aktive polypeptider kontinuerligt I
og i et længere tidsrum (fra 1 uge til flere måneder). Det er også meget ønskeligt, I
I at afgivelsesmønsteret reguleres, så at man undgår ujævn afgivelse af peptidet i I
I begyndelsen, i midten eller ved afslutningen af den terapeutiske behandlingscyclus. I
I Det har ofte vist sig, at peptider afgives fra bionedbrydelige matricer i etaper I
Ί DK 175311 B1 3 "bursts", også betegnet "burst-effekter"), enten i begyndelsen af cyclen eller ved afslutningen, når polymermatricen er nedbrudt ved hydrolyse.
Et vigtigt træk ved den foreliggende opfindelse er, at afgivelsesmønsteret regule-5 res, og især at den initiale burst-effekt formindskes. Det vanduopløselige peptid afgives i mindre grad end dets vanduopløselige derivater, hvilket således giver en mere langvarig afgivelsestid, og man undgår at overdosere patienten. Ved at omdanne et normalt vandopløseligt peptid til et uopløseligt peptid kan den initiale burst-effekt begrænses (dvs. den mængde peptid, der afgives i løbet af de første 10 24 timer) ifølge opfindelsen til mindre end 30% af den samlede dosis.
Opfindelsen belyses ved nedenstående eksempler.
15 EKSEMPEL 1 50 g af en copolymer af D,L-lactid og glycolid med et 50/50 molforhold mellem D,L-lactid og glycolid og en gennemsnitlig molekylvægt på 50.000 opløses i 950 g methylenchlorid.
20
Opløsningen ledes gennem et milliporefilter for at fjerne eventuelt partikelformigt stof og pyrogener. Til denne opløsning sættes 1 g D-Trp6-LHRH-pamoat, og der dispergeres med en højforskydningsblander.
25 Den resulterende blanding anbringes i en rotationsfordamper, og hovedparten af methylenchloridet fjernes i vakuum. Den resulterende tykke dispersion hældes på en glasplade og spredes med en justerbar skraber, der er indstillet på 0,7 mm.
Efter lufttørring vakuumtørres den resulterende film i 48 timer og ekstruderes der-30 efter gennem en 0,8 mm åbning ved 70°C under tryk. De resulterende stave formales kryogent ved -40°C.
Det resulterende granulære materiale sigtes gennem en 180 pm sigte, og den fraktion, der passerer igennem, opsamles og steriliseres ved udsættelse for gam-35 mastråling på mellem 2,5 og 2,8 Mrad.
I DK 175311 B1 I
I 4 I
I EKSEMPEL 2 I
I Der gås frem som beskrevet i eksempel 1, idet D-Trp6-LHRH-pamoat I
I erstattes med D-Trp6-LHRH-stearinsyresalt. I
I 5 I
I EKSEMPEL 3 I
I Der gås frem som beskrevet i eksempel 1 under anvendelse af pamoatet af D-Phe- I
I t-:-\ I
I 10 Cys-Tyr-D-Trp-Lys-Val-Cys-Trp-NH2 som det vanduopløselige peptid.
I EKSEMPEL 4 I
I 15 Fremgangsmåden ifølge eksempel 1 anvendes med ét af følgende vanduopløselige I
I pamoater: I
I D-Nal(2)6-LHRH-pamoat, I
I D-Ser(O-tBu)6-des-Gly10-Azgly10-LHRH-pamoat, I
I 20 D-Ser(But)6-LHRH(l-9)-ethylamid'pamoat, I
I D-Leu6-des-Giy10-LHRH-ethylamid-pamoat. I
I EKSEMPEL 5 I
I 25 I
I Der gås frem som beskrevet i eksempel 1-4 med D,L-lactid-co-glycolid-polymerer, I
I hvor molforholdet var 67% D,L-lactid, 33% glycolid, 75% D,L-lactid, 25% glycolid - I
I eller 100% D,L-lactid. I
I
I 30 I
I EKSEMPEL 6 I
I Der gås frem som beskrevet i eksempel 1-5 med de vanduopløselige pamoater, I
I tannater eller stearater af ét eller flere af følgende peptider: oxytocin, vasopressin, I
I 35 ACTH, calcitonin, epidermiral vækstfaktor, prolactin, inhibin, interferon, LHRH, so- I
DK 175311 B1 5 mato-statin, insulin, glucagon, atrium-natriuretisk faktor, endorphin, en renin-inhibitor, GHRH, peptid-T eller syntetiske analoge og modifikationer deraf.
Afgivelsesmønster i dyr (rotter) 5
Et typisk afgivelsesmønster for en implanteret formulering af D-Trp6‘LHRH-pamoat i rotter er følgende: ng/ml radioanalyseret D-Trp6'LHRH i plasma (gennemsnit af 6 rotter): (t0) 0,04, (1 time) 7,74, (6 timer) 0,80, (dag 2) 0,85, (dag 4) 0,77, (dag 7) 0,25, (dag 11) 0,12, (dag 14) 0,11, (dag 18) 0,11, (dag 21) 0,14, (dag 25) 10 0,18.
Ovenstående eksempler er ikke en begrænsning af de beskrevne vanduopløselige peptider eller de anvendte bionedbrydelige polymerer, hvilket er klart for fagfolk.
15 De i EP-A-0 211 267 nævnte peptidsalte blev med hensyn til peptidsaltenes vand-opløselighed sammenlignet i nærværende ansøgning:
Forsøgene blev udført ved 25°C. Som standard blev anvendt en opløsning af 5-6 mg af peptidsaltet i 50 ml vand. 10 mg af det i peptidet uopløselige salt blev fyldt 20 op til 10 ml med destilleret vand og omrørt i én time. Efter stabilisering (15 minutter ved 25°C) blev suspensionen centrifugeret og analyseret.
25 1 35
I DK 175311 B1 I
I I
I De vundne koncentrationer fremgår af nedenstående tabel: I
I Salt Peptid Koncentration I
I 5 i mg/ml I
I Myristat MSH 112 I
I Palmitat MSH 121 I
I Stearat MSH 82 I
I 10 Pamoat D-Leu6-des-Gly10-LHRH-ethylamid-pamoat I
I (jvf. Eksempel IV) I
I j \ I
I Pamoat D-Phe-Cys*Tyr-D-Trp-Lys-Val-Cys-Trp-NH2 I
I (Eksempel III) I
I 15 Pamoat D-Trp6-LHR,H-pamoat 7 I
I (Eksempel I) I
I Pamoat Ac-D-Nal-D-pCI-Phe-D-Trp-Ser-Tyr-D-Cit-Leu-Arg-Pro-D-A-La-NH2 4 I
I Som resultat fik man, at vandopløseligheden af de i EP-A-0 211 267 nævnte pep- S
I 20 tidsalte er betydeligt højere end opløseligheden af de peptidsalte, som er nævnt i I
I nærværende beskrivelse. I
I i
Claims (11)
1. Farmaceutisk præparat med en matrix af en bionedbrydelig polymer og et vand-uopløseligt, i matricen dispergeret peptidsalt, hvor polymeren er valgt fra gruppen bestående af polylactider, polyglycolider, copolymerer af mælke- og glycolsyre og mælkesyre og blandinger deraf, og at peptidsaltet har en opløselighed på ikke over ' 30 25 mg/ml, når den i fire timer dispergeres og udrøres i destilleret vand ved 40°C, og hvor præparatet i vandige, fysiologiske omgivelser frigør peptidet kontinuerligt i et tidsrum på mindst én uge, men ikke mere end 30% af den totale mængde peptid i løbet af de første 24 timer.
2. Farmaceutisk præparat ifølge krav 1, r I DK 175311 B1 I I 7 I I kendetegnet ved, at det vanduopløselige peptid er et farmaceutisk accepta- I I belt salt af LHRH eller en syntetisk fremstillet analog deraf. I I 5
3. Farmaceutisk præparat ifølge krav 1 eller 2, I I kendetegnet ved, at det farmaceutisk acceptable salt er valgt fra gruppen I I bestående af pamoater, tannater og stearater. t I
4. Farmaceutisk præparat ifølge krav 1, I I 10 kendetegnet ved, at det vanduopløselige peptid er et farmaceutisk accepta- I I belt salt af oxytocin, vasopressin, ACTH, calcitonin, epidermal vækstfaktor, prolac- I I tin, inhibin, interferon, somatostatin, insulin, glucagon, atrium-natriuretisk faktor, I I endorphin, en renin-inhibitor, væksthormon-afgivelseshormon, peptid-T og synte- I I tiske analoge og modifikationer deraf. I I 15 I
5. Farmaceutisk præparat ifølge et hvilket som helst af kravene 1-3, I I kendetegnet ved, at det vanduopløselige peptid er pamoatet af I Pi I unu 9 L/'ΐψ ^LiirvR. I 20
6. Farmaceutisk præparat ifølge et hvilket som helst af kravene 1-4, I I kendetegnet ved, at det vanduopløselige peptid er pamoatet af D-Phe- I I Cys-Tyr-D-Trp-Lys-Val-Cys-Trp-NH2. I
7. Farmaceutisk præparat ifølge et hvilket som helst af kravene 1-6, I I 25 kendetegnet ved, at det er i form af injicerbare partikler I I med en størrelse i intervallet 1-500 μΓη. I
8. Farmaceutisk præparat ifølge et hvilket som helst af kravene 1-6, I kendetegnet ved, at det er i fast form, er steriliseret ved gammabestråling I I 30 og er egnet til subkutan implantation. I
9. Farmaceutisk præparat ifølge et hvilket som helst af kravene 1-7, I I kendetegnet ved, at det er steriliseret ved gammabestråling og er suspen- I I deret i en farmaceutisk acceptabel bærer, der er egnet til parenteral administrati- I I 35 on. I 8 DK 175311 B1
10. Fremgangsmåde til fremstilling af et præparat ifølge et hvilket som helst af kravene 1-9, kendetegnet ved, at et vanduopløseligt peptidsalt dispergeres i en opløs-5 ning af polylactid, polyglycolid, en copolymer af mælke- og glycolsyre eller en blanding af sådanne polymerer, opløsningsmidlet fjernes ved tørring, og den re-- suiterende blanding formes til faste partikler, der er egnede til parenteral injektion eller subkutan implantation.
11. Fremgangsmåde til fremstilling af et præparat ifølge et hvilket som helst af kravene 1-9, kendetegnet ved, at et vanduopløseligt peptidsalt dispergeres i en opløsning af polylactid, polyglycolid, en copolymer af mælke- og glycolsyre eller en blanding af sådanne polymerer, der tilsættes et coacervationsmiddel, og de resul-15 terende mikrokapsler hældes i en farmaceutisk acceptabel, hærdende væske, hvorefter mikrokapslerne opsamles fra denne suspension. * i _ ____ _____ -
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8722134 | 1987-09-21 | ||
| GB8722134A GB2209937B (en) | 1987-09-21 | 1987-09-21 | Water insoluble polypeptides |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DK518988D0 DK518988D0 (da) | 1988-09-16 |
| DK518988A DK518988A (da) | 1989-03-22 |
| DK175311B1 true DK175311B1 (da) | 2004-08-16 |
Family
ID=10624108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK198805189A DK175311B1 (da) | 1987-09-21 | 1988-09-16 | Vanduoplöselige polypeptider |
Country Status (23)
| Country | Link |
|---|---|
| US (2) | US5192741A (da) |
| JP (1) | JPH0713023B2 (da) |
| AT (1) | AT397035B (da) |
| AU (1) | AU611944B2 (da) |
| BE (1) | BE1001685A5 (da) |
| CA (1) | CA1326438C (da) |
| CH (1) | CH675968A5 (da) |
| DE (2) | DE3822459C2 (da) |
| DK (1) | DK175311B1 (da) |
| ES (1) | ES2009346A6 (da) |
| FI (1) | FI96919C (da) |
| FR (1) | FR2620621B1 (da) |
| GB (1) | GB2209937B (da) |
| GR (1) | GR1002244B (da) |
| IE (1) | IE60608B1 (da) |
| IL (1) | IL87790A (da) |
| IT (1) | IT1225148B (da) |
| LU (1) | LU87340A1 (da) |
| NL (1) | NL193818C (da) |
| NO (2) | NO178604C (da) |
| PT (1) | PT88557B (da) |
| SE (1) | SE503406C2 (da) |
| ZA (1) | ZA886827B (da) |
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1988
- 1988-07-04 DE DE3822459A patent/DE3822459C2/de not_active Expired - Lifetime
- 1988-07-04 DE DE122004000023C patent/DE122004000023I2/de active Active
- 1988-09-08 IE IE272788A patent/IE60608B1/en not_active IP Right Cessation
- 1988-09-12 AT AT0223488A patent/AT397035B/de not_active IP Right Cessation
- 1988-09-13 ZA ZA886827A patent/ZA886827B/xx unknown
- 1988-09-13 CA CA000577205A patent/CA1326438C/en not_active Expired - Lifetime
- 1988-09-14 FR FR8811991A patent/FR2620621B1/fr not_active Expired - Lifetime
- 1988-09-16 DK DK198805189A patent/DK175311B1/da active Protection Beyond IP Right Term
- 1988-09-16 GR GR880100619A patent/GR1002244B/el not_active IP Right Cessation
- 1988-09-16 AU AU22326/88A patent/AU611944B2/en not_active Expired
- 1988-09-16 ES ES8802838A patent/ES2009346A6/es not_active Expired
- 1988-09-19 NO NO884154A patent/NO178604C/no not_active IP Right Cessation
- 1988-09-19 FI FI884297A patent/FI96919C/fi not_active IP Right Cessation
- 1988-09-19 IL IL87790A patent/IL87790A/xx active Protection Beyond IP Right Term
- 1988-09-20 PT PT88557A patent/PT88557B/pt not_active IP Right Cessation
- 1988-09-20 SE SE8803321A patent/SE503406C2/sv not_active IP Right Cessation
- 1988-09-20 BE BE8801079A patent/BE1001685A5/fr not_active IP Right Cessation
- 1988-09-20 IT IT8805213A patent/IT1225148B/it active
- 1988-09-20 NL NL8802323A patent/NL193818C/nl not_active IP Right Cessation
- 1988-09-20 CH CH3494/88A patent/CH675968A5/fr not_active IP Right Cessation
- 1988-09-20 US US07/247,060 patent/US5192741A/en not_active Expired - Lifetime
- 1988-09-21 LU LU87340A patent/LU87340A1/fr unknown
- 1988-09-21 JP JP63238626A patent/JPH0713023B2/ja not_active Expired - Lifetime
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1994
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