WO2005012524A1 - Use of rnai inhibiting parp activtiy for the manufacture of a medicament for the treatment of cancer - Google Patents
Use of rnai inhibiting parp activtiy for the manufacture of a medicament for the treatment of cancer Download PDFInfo
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- WO2005012524A1 WO2005012524A1 PCT/GB2004/003235 GB2004003235W WO2005012524A1 WO 2005012524 A1 WO2005012524 A1 WO 2005012524A1 GB 2004003235 W GB2004003235 W GB 2004003235W WO 2005012524 A1 WO2005012524 A1 WO 2005012524A1
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Definitions
- This invention relates to the use of an agent that inhibits the activity of an enzyme which mediates the repair of DNA strand breaks in the treatment of certain forms of cancer in particular breast cancer.
- HR Homologous recombination
- PARP poly(ADP-ribosyl)ation
- PARP-1 Poly(ADP-ribose) Polymerase
- PARP-1 is an abundant nuclear protein in mammalian cells that catalyses the formation of poly(ADP-ribose) (PAR) polymers using NAD + as substrate.
- PARP-1 binds rapidly to a DNA strand break (single strand or double strand) and catalyses the addition of negatively charged PAR chains to itself (automodification) and other proteins (see [3, 4] for reviews).
- the binding of PARP-1 to DNA strand breaks is believed to protect DNA lesions from further processing until PARP-1 is dissociated from the break by the accumulated negative charge resulting from PAR polymers (5,6).
- PARP-1 knockout mice develop normally (7).
- Cells isolated from these mice exhibit a hyper recombination phenotype and genetic instability in the form of increased levels of SCE, micronuclei and tefraploidy (8-10).
- Genetic instability may also occur in these PARP-1 knockout mice through telomere shortening, increased frequency of chromosome fusion and aneuploidy (11), although all of these results could not be repeated in another set of PARP-1 knock-out mice (12).
- PARP-1 null mutation rescue impaired V(D)J recombination in SCID mice (13).
- Inhibitors of PARP-1 activity have been used in combination with traditional anti- cancer agents such as radio therapy and chemotherapy (21).
- the inhibitors were used in combination with methylating agents, topoisomerase poisons and ionising radiations and were found to enhance the effectiveness of these forms of treatment.
- Such treatments are known to cause damage and death to non cancerous or "healthy" cells and are associated with unpleasant side effects.
- the present inventors have surprisingly found that cells deficient in homologous recombination (HR) are hypersensitive to PARP inhibitors as compared to wild type cells. This is surprising since PARP-1 knockout mice live normally thereby indicating that PARP-1 is not essential for life. Thus, it could not be expected that cells would be sensitive to PARP inhibition.
- HR homologous recombination
- an agent that inhibits the activity of an enzyme that mediates the repair of DNA strand breaks in the manufacture of a medicament for the treatment of diseases that are caused by a genetic defect in a gene that mediates homologous recombination.
- the invention provides a method of treatment of a disease or condition in a mammal, including human, which is caused by a genetic defect in a gene which mediates homologous recombination, which method comprises administering to the mammal a therapeutically effective amount of an agent which inhibits the activity of an enzyme which mediates repair of DNA strand breaks or other lesions present at replication forks.
- said enzyme is PARP.
- said agent is a PARP inhibitor or an RNAi molecule specific to PARP gene.
- the use is in the treatment of cancer.
- the medicament is a pharmaceutical composition consisting of the PARP inhibitor in combination with a pharmaceutically acceptable carrier or diluent.
- the specific sensitivity of HR defective tumours to PARP-1 inhibition means that normally dividing cells in the patient will be unaffected by the treatment.
- Treatment of HR defective cancer cells using a PARP inhibitor also has the advantage that it does not need to be administered as a combination therapy along with conventional radio or chemotherapy treatments thereby avoiding the side effects associated with these conventional forms of treatment.
- a genetic defect in a gene which mediates homologous recombination may be due to a mutation in, the absence of, or defective expression of, a gene encoding a protein involved in HR.
- the invention further provides the use of a PARP inhibitor in the manufacture of a medicament for inducing apoptosis in HR defective cells.
- the invention provides a method of inducing apoptosis in HR defective cells in a mammal which method comprises administering to the mammal a therapeutically effective amount of a PARP inhibitor.
- the HR defective cells are cancer cells.
- Cancer cells defective in HR may partially or totally deficient in HR. Preferably the cancer cells are totally deficient in HR.
- cancer or “tumour” includes lung, colon, pancreatic, gastric, ovarian, cervical, breast or prostate cancer.
- the cancer may also include skin, renal, liver, bladder or cerebral cancer.
- the cancer is in a mammal, preferably human.
- the cancer to be treated may be an inherited form of cancer wherein the patient to be treated has a familial predisposition to the cancer.
- the cancer to be treated is gene-linked hereditary cancer.
- the cancer is gene-linked hereditary breast cancer.
- the PARP inhibitor is useful in the treatment of cancer cells defective in the expression of a gene involved in HR.
- Genes with suggested function in HR include XRCC1, ADPRT (PARP-1), ADPRTL2 (PARP-2), CTPS, RPA, RPA1, RPA2, RPA3, XPD, ERCC1, XPF, MMS19, RAD51, RAD51B, RAD51C, RAD51D, DMC1, XRCC2, XRCC3, BRCA1, BRCA2, RAD52, RAD54, RAD50, MRE11, NBS1, WRN, BLM, Ku70, Ku80, ATM, ATR, chkl, chk2, FANCA, FANCB, FANCC, FANCDl, FANCD2, FANCE, FANCF, FANCG, RADl, RAD9, FEN-1, Mus81. Emel, DDS1, BARD (see (2, 3, 5, 22-28) for reviews).
- a gene involved in HR may be a tumour suppressor gene.
- the invention thus provides for the treatment of cancer cells defective in the expression of a tumour suppressor gene.
- the tumour suppressor gene is BRCA1 or BRCA2.
- Breast cancer is the most common cancer disease among women in the Western world today. Certain families have strong predisposition for breast cancer, which is often owing to an inherited mutation in one allele of either BRCAl or BRCA2. However, these patients still maintain one functional allele. Thus, these patients develop normally and have no phenotypic consequence from this mutation. However, in one cell, the functional allele might be lost, making this cell cancerous and at the same time deficient in homologous recombination (HR). This step is critical for the onset of a tumour (1).
- the present inventors have surprisingly found that BRCA2 deficient cells are 100 times more sensitive to the cytotoxicity of the PARP inhibitor, NU1025, than wild type cells.
- the invention provides the use of a PARP inhibitor in the manufacture of a medicament for the treatment of cancer cells defective in HR, e.g due to the loss of BRCAl and/or BRCA2 expression.
- the cancer cells to be treated may be partially or totally deficient in BRCAl or BRCA2 expression.
- BRCAl and BRCA2 mutations can be identified using multiplex PCR techniques, array techniques (29, 30) or using other screens known to the skilled person.
- PARP inhibitors useful in the present invention may be selected from inhibitors of PARP-1, PARP-2, PARP-3, PARP-4, tankyrase 1 or tankyrase 2 (see 31 for a review).
- the PARP inhibitor useful in the present invention is an inhibitor of PARP-1 activity.
- PARP inhibitors useful in the present invention include benzimidazole-carboxamides, quinazolin-4-[3H]-ones and isoquinoline derivatives (e.g.2-(4- hydroxyphenyl)benzimidazole-4-carboxamide (NU1085), 8-hydroxy-2- mefhylquinazolin-4-[3H]one (NU1025); 6(5H)phenanthridinone; 3 aminobenzamide; benzimidazole-4-carboxamides (BZ1-6) and tricyclic lactam indoles (TI1-5) [32]. Further inhibitors of PARP may be identified either by design [33] or the novel FlashPlate assay [34].
- the PARP inhibitor formulated as a pharmaceutical composition may be administered in any effective, convenient manner effective for targeting cancer cells including, for instance, administration by oral, intravenous, intramuscular, intradermal, intranasal, topical routes among others.
- Carriers or diluents useful in the pharmaceutical composition may include, but are not limited to saline, buffered saline, dextrose, water, glycerol, ethanol and combinations thereof.
- the active agent may be administered to an individual as an injectable composition, for example as a sterile aqueous dispersion.
- the inhibitor may be administered directly to a tumour or may be targeted to the tumour via systemic administration.
- a therapeutically effective amount of the inhibitor is typically one which is sufficient to achieve the desired effect and may vary according to the nature and severity of the disease condition, and the potency ofthe inhibitor. It will be appreciated that different concentrations may be employed for prophylaxis than for treatment of an active disease.
- the daily dosage level ofthe active agent will be up to lOOmg/kg, for example from O.Olmg/kg to 50 mg/kg body weight, typically up to 0J, 0.5, 1.0, 2.0 5.0, 10, 15, 20 or 30mg/kg body weight.
- the amount of inhibitor administered and the frequency of administration will be at the discretion of a physician.
- a therapeutic advantage of using PARP inhibitors to treat cancer cells is that only very low doses are needed to have a therapeutic effect in treating cancer thereby reducing systemic build up ofthe inhibitors and any associated toxic effects.
- a preferred aspect of the invention provides an agent which is an inhibitory RNA (RNAi) molecule.
- RNAi inhibitory RNA
- RNAi double stranded RNA
- the RNAi molecule comprises two complementary strands of RNA (a sense strand and an antisense strand) annealed to each other to form a double stranded RNA molecule.
- the RNAi molecule is typically derived from exonic or coding sequence ofthe gene which is to be ablated.
- RNAi molecule is derived from the nucleic acid molecule comprising a nucleic acid sequence selected from the group consisting of: a) a nucleic acid sequence as represented by the sequence in Figure 9, 10, 11, 12, 13 or 14 or fragment thereof; b) a nucleic acid sequence which hybridises to the nucleic acid sequences of Figure 9, 10, 11, 12, 13 or 14 and encodes a gene for PARP; c) a nucleic acid sequence which comprise sequences which are degenerate as a result of the genetic code to the nucleic acid sequences defined in (a) and (b).
- RNAi molecules ranging from 100-lOOObp derived from coding sequence are effective inhibitors of gene expression. Surprisingly, only a few molecules of RNAi are required to block gene expression which implies the mechanism is catalytic. The site of action appears to be nuclear as little if any RNAi is detectable in the cytoplasm of cells indicating that RNAi exerts its effect during mRNA synthesis or processing.
- said RNAi molecule has a length of between 10 nucleotide bases (nb) -lOOOnb. Even more preferably said RNAi molecule has a length of lOnb; 20nb; 30nb; 40nb; 50nb; 60nb; 70nb; 80nb; 90nb; or lOObp. Even more preferably still said RNAi molecule is 21nb in length.
- RNAi molecule comprises the nucleic acid sequence aaa age cau ggu gga gua uga (PARP-1)
- RNAi molecule consists of the nucleic acid sequence aag ace aau cue ucc agu uca ac (PARP-2) Even more preferably still the RNAi molecule consists of the nucleic acid sequence aag ace aac auc gag aac aac (PARP-3)
- the RNAi molecule may comprise modified nucleotide bases.
- Figure 1 is a graph demonstrating that HR deficient cells are hypersensitive to the toxic effect caused by inhibition of PARP-1.
- Figure 2 is a graph showing cell survival in the presence of PARP inhibitor NU1025 in wt V79 cells, BRCA2 deficient VC-8 cells and VC-8 cells complimented with functional BRCA2 gene (VC-8#13, VC-8+B2). Colony outgrowth assay was used;
- Figure 3 is a histogram showing the percentage of the cells in apoptosis following a 72 hour incubation with NU1025 ;
- Figure 4 (a) Western blot analysis of protein lysates isolated from MCF-7 (pSS *1 ) or MDA-MB-231 (p53 mut ) breast cancer cells following 48 hours transfection with siRNA. (b) Colony outgrowth of siRNA-treated MCF-7 cells or (c) MDA-MB-231 cells following exposure to the PARP inhibitor NU1025. The means (symbols) and standard deviation (bars) of at least three experiments are shown.
- BRCA2 deficient cells fail to repair a recombination lesion formed at replication forks by inhibitors of PARP.
- PARP-1 and not PARP-2 is important in preventing formation of a recombinogemc lesion, causing death in absence of BRCA2.
- FIG. 7 (a) Visualisation of PAR polymers in untreated and (b) thymidine treated V79 cells (5 mM for 24 hours), (c) Percentage cells containing >10 sites of PARP activity following treatment with hydroxyurea (0.2 mM) and thymidine (5 mM). At least 300 nuclei were counted for each treatment and experiment, (d) Survival of V- C8+B2 cells following co-treatment with hydroxyurea or (e) thymidine and NU1025 (10 ⁇ M). (f) The activity of PARP was measured by the level of free NAD(P)H n , following treatment with MMS, hydroxyurea (0.5 mM) or thymidine (10 mM). The means (symbol) and standard deviation (error bars) from at least three experiments are depicted.
- Figure 8 (a) Visualisation of PAR polymers in untreated V-C8 and (b) V-C8+B2 cells, (c) Quantification of percentage cells containing >10 sites of PARP activity in untreated V-C8 and V-C8+B2 cells, (d) Level of NAD(P)H measured in untreated V- C8 and V-C8+B2 cells. Three stars designate p ⁇ 0.001 in t-test. (e) Visualization of RAD51 and sites of PARP activity in V79 cells following a 24-hour thymidine treatment (5 mM). (f) A model for the role of PARP and HR at stalled replication forks.
- Figure 9 is the human cDNA sequence of PARP-1
- Figure 10 is the human cDNA sequence of PARP-2
- Figure 11 is the human cDNA sequnce of PARP-3
- Figure 12 is the human gDNA sequnce of Tankyrase 1;
- Figure 13 is the human mRNA sequnce of Tankyrase 2;
- Figure 14 is the human mRNA sequnce of VPARP.
- the irsl, irsl X2J and V79-4 cell lines were a donation from John Thacker [40] and the AA8, irslSF and CXR3 cell lines were provided by Larry Thompson [41].
- VC-8, VC-8+B2, VC-8#13 were a gift from Malgorzata Zdzienicka [42]. All cell lines in this study were grown in Dulbecco's modified Eagle's Medium (DMEM) with 10% Foetal bovine serum and penicillin (100 U/ml) and streptomycin sulphate (100 ⁇ g/mL) at 37°C under an atmosphere containing 5% CO 2 .
- DMEM Dulbecco's modified Eagle's Medium
- Toxicity assay - colony outgrowth assay 500 cells suspended in medium were plated onto a Petri dish 4 hours prior to the addition of 3-AB, ISQ or NU1025.
- ISQ and NU1025 were dissolved in DMSO to a final concentration of 0.2% in treatment medium. 7 - 12 days later, when colonies could be observed, these colonies were fixed and stained with methylene blue in methanol (4 g/1). Colonies consisting of more than 50 cells were subsequently counted.
- Apoptosis experiments 0.25x10° cells were plated onto Petri dishes and grown for 4 hours before treatment with NU1025. After 72 hours, cells were trypsinized and resuspended with medium containing any floating cells from that sample. The cells were pelleted by centrifugation and resuspended for apoptosis analysis with FITC-conjugated annexin- V and propidium iodine (PI) (ApoTarget, Biosource International) according to manufacturer's protocol.
- FITC-conjugated annexin- V and propidium iodine (PI) ApoTarget, Biosource International
- the secondary antibodies were Cy-3-conjugated goat anti-rabbit IgG antibody (Zymed; 1:500), Alexa 555 goat anti-rabbit F(ab') 2 IgG antibody (Molecular Probes; 1:500), Alexa 546 donkey anti-goat IgG antibody (Molecular Probes; 1:500) and Alexa 488 donkey anti-rabbit IgG antibody (Molecular Probes; 1:500).
- Antibodies were diluted in PBS containing 3% bovine serum albumin. DNA was stained with 1 ⁇ g/ml To Pro (Molecular Probes).
- a water-soluble tetrazolium salt (5mM WST-8) was used to monitor the amount of NAD(P)H through its reduction to a yellow coloured formazan dye[43].
- 5000 cells were plated in at least triplicate into wells of a 96 well plate and cultured in lOO ⁇ l normal growth media for 4 h at 37°C.
- CK8 buffer (Dojindo Molecular Technology, Gaithersburg, USA), containing WST-8, was then added either with or without treatment with DNA damaging agents at concentrations indicated. Reduction of WST- 8 in the presence of NAD(P)H was determined by measuring visible absorbance (OD 45 o) every 30 min.
- a medium blank was also prepared containing just media and CK8 buffer.
- NAD(P)H levels were calculated by comparing the absorbance of wells containing cells treated with DNA damaging agents and those treated with DMSO alone. Alternately relative levels of NAD(P)H in different cells lines were calculated after 4 h incubation in CK8 buffer.
- NU 1025 The ability of NU 1025 to inhibit PARP-1 activity was also assayed in permeabilised cells using a modification ofthe method of Halldorsson et al [44], and described in detail elsewhere [45]. Briefly: 300 ⁇ l of NU1025-treated (15 min) permeabilised cells were incubated at 26 ° C with oligonucleotide (final cone. 2.5 ⁇ g/ml), 75 ⁇ M NAD + [ 32 P] NAD (Amersham Pharmacia, Amersham, UK) in a total volume of 400 ⁇ l.
- the reaction was terminated after 5 min by adding ice cold 10%TCA 10%Na Ppi for 60 min prior to filtering through a Whatman GF/C filter (LabSales, Maidstone, UK), rinsed 6x with 1% TCA 1% NaPPi, left to dry and incorporated radioactivity was measured to determine PARP-1 activity. Data are expressed as pmol NAD incorporated/10 6 cells by reference to [ 32 P] NAD standards.
- 1.5xl0 6 cells were plated onto 100 mm dishes and allowed 4 h for attachment. Exposure to drug was for 18 h after which cells were trypsinsied and 10 6 cells melted into each 1% agarose insert. These inserts were incubated as described elsewhere (8) and separated by pulse-field gel electrophoresis for 24 h (BioRad; 120° angle, 60 to 240 s switch time, 4 V/cm). The gel was subsequently stained with ethidium bromide for analysis. siRNA treatment
- Predesigned BRCA2 SMARTpool and scrambled siRNAs were purchased (Dharmacon, Lafayette, CO). 10000 cells seeded onto 6 well plates and left over night before transfected with lOOnM siRNA using Oligofecta ine Reagent (Invitrogen) according to manufacturers instructions. Cells were then cultured in normal growth media for 48 h prior to trypsinisation and replating for toxicity assays. Suppression of BRCA2 was confirmed by Western blotting (as described previously [46]) of protein extracts treated with siRNA with an antibody against BRCA2 (Oncogene, Nottingham, UK).
- Homologous recombination deficient cells are hypersensitive to PARP-1 inhibition
- the sensitivity in irslSF cells to 3-AB, ISQ or NU1025 was corrected by the introduction of a cosmid containing a functional XRCC3 gene (CXR3 ).
- the sensitivity in irsl cells to 3-AB, ISQ or NU1025 was corrected by the introduction of a cosmid containing a functional XRCC2 gene (irslX2.2).
- BRCA2 deficient breast cancer cells are hypersensitive to PARP-1 inhibition It was examined whether the MCF7 (wild-type p53) and MDA-MB-231 (mutated p53) breast cancer cell lines displayed a similar sensitivity to NU1025 upon depletion of BRCA2. It was found that PARP inhibitors profoundly reduced the survival of MCF7 and MDA-MB-231 cells only when BRCA2 was depleted with a mixure of BRCA2 siRNA (Figure 4). This shows that BRCA2 depleted breast cancer cells are sensitive to PARP inhibitors regardless of p53 status.
- BRCA2 deficient cells die from PARP-1 inhibition in absence of DNA double-strand breaks (DSBs) but in presence of ⁇ H2Ax
- PARP-1 is activated by replication inhibitors
- HR is also involved in repair of lesions occurring at stalled replication forks, which may not involve detectable DSBs [2].
- PARP activation in cells treated cells with agents thymidine or hydroxyurea
- Thymidine depletes cells of dCTP and slows replication forks without causing DSBs.
- Hydroxyurea depletes several dNTP and block the replication fork, which is associated with the formation of DSBs at replication forks [2]. Both of these agents potently induce HR [2].
- V79 hamster cells treated for 24 hours with thymidine or hydroxyurea were stained for PAR polymers.
- PARP is rapidly activated at DNA single-strand breaks (SSB) and attracts DNA repair enzymes [3-6]. Mefhylmefhane sulphonate (MMS) causes alkylation of DNA, which is repaired by base excision repair. PARP is rapidly activated by the SSB-intermediate formed during this repair, which depletes the NAD(P)H levels (Figure 7F).
- SSB DNA single-strand breaks
- MMS Mefhylmefhane sulphonate
- NAD(P)H levels Figure 7F
- PARP-1 and HR have separate roles at stalled replication forks
- the number sites of PARP activity in untreated BRCA2 deficient V-C8 cells was determined. It was found that more V-C8 cells contain sites of PARP activity compared to V-C8+B2 cells ( Figure 8A,B,C). Also, the V-C8 cells have lower free NAD(P)H levels than the corrected cells ( Figure 8D), as a likely result of the increased PARP activity. Importantly these sites of PARP activity do not overlap with RAD51 foci ( Figure 8E).
- Replication forks may stall when encountering a roadblock on the DNA template. In addition, they may also stall temporarily, due to lack of dNTPs or other replication co-factors, (ii) PARP binds stalled replication forks or other replication-associated damage, triggering PAR polymerization. Resulting negatively charged PAR polymers may protect stalled replication forks, by repelling proteins that normally would process replication forks (e.g., resolvases), until the replication fork can be restored spontaneously when dNTPs or other co-factors become available.
- PAR polymers or PARP may attract proteins to resolve the replication block by other means,
- HR may be used as an alternative pathway to repair stalled replication forks. This compensatory model explains the increased level of HR and RAD51 foci found in PARP deficient cells 3"5 and higher PARP activity found in HR deficient cells (i.e. V- C8). Spontaneous replication blocks/lesions are only lethal in the absence of both PARP and HR.
- Durkacz Potentiation of temozolomide-induced cytotoxicity a comparative study ofthe biological effects of poly( ADP-ribose) polymerase inhibitors, Br J Cancer 72 (1995) 849-856.
- C.S. Griffin, P.J. Simpson, C.R. Wilson and J. Thacker Mammalian recombination-repair genes XRCC2 and XRCC3 promote correct chromosome segregation, Nat Cell Biol 2 (2000) 757-761.
- R.S. Tebbs Y. Zhao, J.D. Tucker, J.B. Scheerer, M.J. Siciliano, M. Hwang, N. Liu, R.J. Legerski and L.H.
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| JP2006520907A JP5519097B2 (ja) | 2003-07-25 | 2004-07-23 | 癌を治療するための医薬の製造におけるPARP活性阻害性RNAiの使用 |
| NZ545307A NZ545307A (en) | 2003-07-25 | 2004-07-23 | Use of RNAI inhibiting parp activity for the manufacture of a medicament for the treatment of cancer |
| CA2533423A CA2533423C (en) | 2003-07-25 | 2004-07-23 | Use of rnai inhibiting parp activity for the manufacture of a medicament for the treatment of cancer |
| AT04743564T ATE516353T1 (de) | 2003-07-25 | 2004-07-23 | Verwendung von rnai mit inhibierender parp aktivität zur herstelllung eines arzneimittels zur behandlung von krebs |
| US10/555,507 US8859562B2 (en) | 2003-07-25 | 2004-07-23 | Use of RNAI inhibiting PARP activity for the manufacture of a medicament for the treatment of cancer |
| GB0603874A GB2419882B (en) | 2003-07-25 | 2004-07-23 | Use of rnai inhibiting parp activity for the manufacture of a medicament for the treatment of cancer |
| BRPI0412909-1A BRPI0412909B1 (pt) | 2003-07-25 | 2004-07-23 | Uso de um inibidor de poli (adp-ribose) polimerase 1 (parp-1) para a fabricação de um medicamento para o tratamento de células de câncer defeituosas em recombinação homóloga |
| EP04743564.9A EP1649017B2 (en) | 2003-07-25 | 2004-07-23 | Use of rnai inhibiting parp activity for the manufacture of a medicament for the treatment of cancer |
| AU2004261779A AU2004261779B2 (en) | 2003-07-25 | 2004-07-23 | Use of RNAi inhibiting PARP activity for the manufacture of a medicament for the treatment of cancer |
| PL04743564T PL1649017T5 (pl) | 2003-07-25 | 2004-07-23 | Zastosowanie aktywności PARP hamującej RNAI do wytwarzania leku do leczenia raka |
| HK07100334.8A HK1094006B (en) | 2003-07-25 | 2004-07-23 | Use of rnai inhibiting parp activtiy for the manufacture of a medicament for the treatment of cancer |
| CN2004800272941A CN1856572B (zh) | 2003-07-25 | 2004-07-23 | 抑制PARP活性的RNAi用于生产治疗癌症的药物的用途 |
| ES04743564.9T ES2367433T5 (es) | 2003-07-25 | 2004-07-23 | Uso de la actividad PARP inhibidora de ARNI para la fabricación de un medicamento para el tratamiento del cáncer |
| KR1020067001650A KR101136702B1 (ko) | 2003-07-25 | 2004-07-23 | 암 치료용 약제를 제조하기 위한 parp 활성을 억제하는rnai의 용도 |
| DK04743564.9T DK1649017T4 (da) | 2003-07-25 | 2004-07-23 | Anvendelse af RNA i inhiberende PARP aktivitet til fremstillingen af et lægemiddel til behandlingen af cancer |
| NO20060906A NO338398B1 (no) | 2003-07-25 | 2006-02-24 | Anvendelse av en poly(ADP-ribose) polymerase (PARP)-inhibitor for fremstilling av et medikament for behandling av cancerceller som er defekte med hensyn på homolog rekombinasjon (HR) og en poly(ADP-ribose) polymerase (PARP)-inhibitor for anvendelse ved behandling av cancerceller som er defekte med hensyn på homolog rekombinasjon (HR). |
| US14/322,759 US20150005327A1 (en) | 2003-07-25 | 2014-07-02 | Use of RNAI Inhibiting PARP Activity for the Manufacture of a Medicament for the Treatment of Cancer |
| US15/650,459 US20180000822A1 (en) | 2003-07-25 | 2017-07-14 | Use of RNAI Inhibiting PARP Activity for the Manufacture of a Medicament for the Treatment of Cancer |
| US16/598,808 US20200237762A1 (en) | 2003-07-25 | 2019-10-10 | Use of rnai inhibiting parp activity for the manufacture of a medicament for the treatment of cancer |
| US17/528,034 US20220062286A1 (en) | 2003-07-25 | 2021-11-16 | Use of rnai inhibiting parp activity for the manufacture of a medicament for the treatment of cancer |
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| US14/322,759 Continuation US20150005327A1 (en) | 2003-07-25 | 2014-07-02 | Use of RNAI Inhibiting PARP Activity for the Manufacture of a Medicament for the Treatment of Cancer |
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