Composition Comprising In Vitro Expanded T-Lymphocytes and Vessel Formation Inhibitors Suitable in the Treatment of Cancer
Improved cancer therapy using a combination treatment with tumour-reactive T-lymphocytes obtained by an in vitro method for expansion and activation of tumour-reactive lymphocytes, in particular CD4+ helper and/or CD8+ T-lymphocytes and inhibitors of vessel formation inhibitors, notably inhibitors of VEGF.
1 . A composition comprising
a) one or more VEGF-inhibitors and
b) either tumour-reactive CD4+ T helper or CD8+ T-lymphocytes, or a combination thereof.
2 . A composition according to claim 1 wherein the CD4+ T helper or CD8+ reactive T-lymphocytes are obtained by stimulating tumour-reactive CD4+ T helper or CD8+ T-lymphocytes with a tumour-derived antigen together with at least one substance having agonistic activity towards an IL-2 receptor to promote survival of tumour-reactive CD4+ T helper or CD8+ T-lymphocytes; and
activating and promoting growth of tumour-reactive CD4+ T helper or CD8+ T-lymphocytes, at a time when a CD25 cell surface marker or an IL-2R marker is down-regulated on CD4+ T helper or CD8+ T-lymphocytes.
3 . A composition according to claim 1 , wherein the VEGF-inhibitor is selected from neutralizing monoclonal antibodies against VEGF or its receptor, small molecule tyrosine kinase inhibitors of VEGF receptors, soluble VEGF receptors which act as decoy receptors for VEGF and ribozymes which specifically target VEGF mRNA or combinations thereof.
4 . A composition according to claim 3 , wherein the neutralizing monoclonal antibodies against VEGF is bevacizumab.
5 . A composition according to claim 3 , wherein the neutralizing monoclonal antibodies against VEGF is ranibizumab.
6 . A composition according to claim 3 , wherein the neutralizing monoclonal antibodies against VEGF is selected from Ab-153, Ab-309, Ab-342 and mixtures thereof.
7 . A composition according to claim 3 , wherein the tyrosine kinase inhibitors of VEGF receptors are selected from sunitinib, sorafenib, N-Methyl-2-[[3-[(E)-2-pyridin-2-ylethenyl]-1H-indazol-6-yl]sulfanyl]benzamide, 5-[[4-[(2,3-Dimethyl-2H-indazol-6-yl)(methyl)amino]pyrimidin-2-yl]amino]-2-methylbenzenesulfonamide and mixtures thereof.
8 . A composition according to claim 3 , wherein the ribozymes which specifically target VEGF mRNA is a hammer head ribozyme.
9 . A composition according to claim 8 , wherein the hammerhead ribozyme is selected from anti-Flt-1 ribozymes.
10 . A composition according to claim 9 , wherein the anti-Flt-1 ribozyme is Angiozyme®.
11 . A composition according to claim 1 , further comprising cancer type specific CD4+ T lymphocytes, wherein at least 70% of cancer specific CD4+ T lymphocytes are of a Th1 type and 30% or less of cancer specific CD4+ T lymphocytes are of a Th2 type.
12 . A composition according to claim 1 , further comprising cancer specific T lymphocytes, wherein from about 35% to about 90% are of a memory type.
13 . A composition according to claim 1 , further comprising cancer specific T lymphocytes, wherein from about 10% to about 65% are effector T-lymphocytes.
14 . A composition according to claim 1 , further comprising cancer specific T lymphocytes, wherein the composition comprises at least 10 million tumour-reactive T-lymphocytes.
15 . A composition according to claim 1 , wherein the VEGF-inhibitor is present in an amount of from about 1 mg to about 2000.
16 . A composition according to claim 1 , wherein the composition is a single preparation of a therapeutic effective amount of tumour reactive T-lymphocytes and a therapeutic effective amount of one or more VEGF-inhibitors.
17 . A composition according to claim 1 , wherein the composition is two separate preparations of a therapeutic effective amount of tumour reactive T-lymphocytes and of a therapeutic effective amount of one or more VEGF-inhibitors.
18 . A composition according to claim 1 , further comprising a chemotherapeutic agent selected from 5-fluorouracil, leucovorin, oxaliplatin, paclitaxel, docetaxel, fumagallin, daunorubicin, doxorubicin, epirubicin, irinotecan, topotecan, vincristine, carboplatin, cisplatin, cyclophosphamide, mitomycin C, mitoxanthrone, floxuridine, gemcitabine, methotrexate, bleomycin, etoposide, vinblastine, vindesine, vinorelbine, genistein or combinations thereof.
19 - 20 . (canceled)
21 . A composition according to claim 1 , further comprising a pharmaceutically acceptable excipient, selected from antiadherents, binders, coatings, disintegrants, fillers/diluents, flavours and colours, pH-regulating agents, glidants, lubricants, preservatives, sorbents, sweeteners and agents that change a dissolution rates of active species, serum free media, buffering agents or solutions, cell nutritional solutions or agents, human or artificial serum albumin, autologous serum, isotonic media which may optionally have a same tonicity as blood, physiological saline solutions, preservative agents or combinations thereof.
22 - 29 . (canceled)
30 . A method for treating a patient suffering from cancer comprising: administering to the patient tumour-reactive CD4+ T helper or CD8+ T-lymphocytes, or a combination thereof, and one or more VEGF-inhibitors, and optionally one or more chemotherapeutic agents.
31 . A method according to claim 30 , wherein the CD4+ T helper or CD8+ reactive T-lymphocytes are obtained by stimulating tumour-reactive CD4+ T helper or CD8+ T-lymphocytes with a tumour-derived antigen together with at least one substance having agonistic activity towards an IL-2 receptor to promote survival of tumour-reactive CD4+ T helper or CD8+ T-lymphocytes; and
activating and promoting growth of tumour-reactive CD4+ T helper or CD8+ T-lymphocytes, at a time when a CD25 cell surface marker or IL-2R marker is down-regulated on CD4+ T helper or CD8+ T-lymphocytes.
32 . A method according to claim 30 , wherein the VEGF-inhibitor is selected from neutralizing monoclonal antibodies against VEGF or its receptor, small molecule tyrosine kinase inhibitors of VEGF receptors, soluble VEGF receptors which act as decoy receptors for VEGF and ribozymes which specifically target VEGF mRNA or combinations thereof.
33 . A method according to claim 32 , wherein the neutralizing monoclonal antibodies against VEGF is bevacizumab.
34 . A method according to claim 32 , wherein the neutralizing monoclonal antibodies against VEGF is ranibizumab.
35 . A method according to claim 32 , wherein the neutralizing monoclonal antibodies against VEGF is selected from Ab-153, Ab-309, Ab-342 and mixtures thereof.
36 . A method according to claim 32 , wherein the tyrosine kinase inhibitors of VEGF receptors are selected from sunitinib, sorafenib, N-Methyl-2-[[3-[(E)-2-pyridin-2-ylethenyl]-1H-indazol-6-yl]sulfanyl]benzamide, and 5-[[4-[(2,3-Dimethyl-2H-indazol-6-yl)(methyl)amino]pyrimidin-2-yl]amino]-2-methylbenzenesulfonamide.
37 . A method according to claim 32 , wherein the ribozymes which specifically target VEGF mRNA is a hammer head ribozyme.
38 . A method according to claim 37 , wherein the hammerhead ribozyme is selected from anti-Flt-1 ribozymes.
39 . A method according to claim 38 , wherein the anti-Flt-1 ribozyme is Angiozyme®.
40 . A method according to claim 30 , further comprising administering cancer type specific CD4+ T lymphocytes, wherein at least 70% of cancer specific CD4+ T lymphocytes are of a Th1 type and 30% or less of cancer specific CD4+ T lymphocytes are of a Th2 type.
41 . A method according to claim 30 , further comprising administering cancer specific T lymphocytes, wherein from about 35% to about 90% are of a memory type.
42 . A method according to claim 30 , further comprising administering cancer specific T lymphocytes, wherein from about 10% to about 65% are effector T-lymphocytes.
43 . A method according to claim 30 , a therapeutic effective amount of tumour reactive T-lymphocytes and a therapeutic effective amount of one or more VEGF-inhibitors are administered to the patient as a single preparation.
44 . A method according to claims 30 , a therapeutic effective amount of tumour reactive T-lymphocytes and a therapeutic effective amount of one or more VEGF-inhibitors are administered to the patient as separate preparations.
45 . A method according to claim 30 , further comprising administering to the subject a chemotherapeutic agent selected from 5-fluorouracil, leucovorin, oxaliplatin, paclitaxel, docetaxel, fumagallin, daunorubicin, doxorubicin, epirubicin, irinotecan, topotecan, vincristine, carboplatin, cisplatin, cyclophosphamide, mitomycin C, mitoxanthrone, floxuridine, gemcitabine, methotrexate, bleomycin, etoposide, vinblastine, vindesine, vinorelbine, genistein or combinations thereof.
46 - 47 . (canceled)
48 . A method according to claim 30 , wherein the administered amount of cancer specific T lymphocytes includes at least 10 million tumour-reactive T-lymphocytes.
49 . A method according to claim 30 , wherein the administered amount of the VEGF-inhibitor is from about 1 mg to about 2000.
50 . A method according to claim 30 , wherein the cancer is selected from carcinomas in the breast, colon, rectum, pancreas, liver, bile bladder, bile ducts, urinary bladder, brain, small intestines, lung, prostate, kidney, cervix, vulva, ovaries, malignant melanoma, head and neck carcinomas; sarcomas in the joints, bones, muscles and tendons, lymphomas; teratomas; and metastases and locally advanced or inoperable of the above-mentioned tumours.
51 . A method according to claim 30 , wherein at least one active agent is administered either parenterally or orally.
52 . A method according to claim 51 , wherein the parenteral administration is intravenous, intraarterial, intrathecal, or intraperitonal administration.
53 . A method according to claim 51 , wherein the oral administration is in the form of a preparation in conventional tablet form, capsules, caplets, solutions, suspensions or emulsions.
54 . A method according to claim 30 , wherein the administration of tumour-reactive CD4+ T helper or CD8+ T-lymphocytes or combination thereof is intravenous.
54 . A method according to claim 30 , wherein the tumour-reactive T-lymphocytes and one or more VEGF-inhibitors and optionally one or more chemotherapeutic agents are administered simultaneously or sequentially in any order with any time interval.
55 . (canceled)