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    • 专利摘要:
    The present invention includes a composition and method for treating a glioblastoma in a human or animal subject comprising the steps of: identifying the human or animal subject in need of treatment of a glioblastoma, wherein the human or animal is no longer responsive to at least one of chemotherapy, surgery, or radiation therapy; and administering to the human or animal subject a therapeutically effective amount of a composition comprising: an amount of a curcumin or curcuminoids in one or more liposomes, or curcumin or curcuminoids and empty liposomes and administered prior to, concomitantly, or after administration of the curcumin or curcuminoids, that is effective for treating the glioblastoma, wherein the liposomal curcumin or curcuminoids, or empty liposomes, eliminate the QT prolongation caused by the curcumin or curcuminoids; and at least one chemotherapeutic agent that is synergistic with curcumin to treat the glioblastoma.
    公开号:EP3711770A1
    申请号:EP20173936.4
    申请日:2016-09-13
    公开日:2020-09-23
    发明作者:Laura A. Sordillo；Peter P. Sordillo；Lawrence Helson
    申请人:Signpath Pharma Inc；
    IPC主号:A61K31-00
    专利说明:
    [0001] None. TECHNICAL FIELD OF THE INVENTION
    [0002] The present invention relates in general to the field of cancer treatments, and more particularly, to compositions and methods for treating glioblastomas. STATEMENT OF FEDERALLY FUNDED RESEARCH
    [0003] None. BACKGROUND OF THE INVENTION
    [0004] Without limiting the scope of the invention, its background is described in connection with treatments for glioblastoma.
    [0005] One such method of treatment is taught in United States Patent No. 8,945,563, issued to Auf Der Maur, et al. , entitled "Method for treating glioblastoma using antibodies binding to the extracellular domain of the receptor tyrosine kinase ALK." Briefly, these inventors are said to teach an antibody specific for human ALK (Anaplastic Lymphoma Kinase), in particular a scFv, a nucleic acid sequence encoding it, its production and use as a pharmaceutical, for diagnostic purposes, and the local treatment of glioblastoma.
    [0006] Another method is taught in United States Patent No. 8,518,698, issued to Sugaya, et al. , entitled "Method of promoting apoptosis of glioblastoma tumor cells." Briefly, these inventors are said to teach a method of promoting apoptosis of human glioblastoma multiforme (GBM) tumor cells. The method is said to comprise: isolating GBM tumor cells from a human brain biopsy specimen, isolating human neural stem cells (HNSCs) from the biopsy specimen, transforming the isolated HNSCs with an operative PEX gene, and exposing GBM tumor cells to the transformed HNSCs to promote apoptosis of the tumor cells mediated by the expressed PEX gene.
    [0007] Yet another method is taught in United States Patent No. 7,931,922, issued to Newmark, et al. , entitled "Methods for treating glioblastoma with herbal compositions". Briefly, these inventors are said to teach methods for treating glioblastoma, by administration of a composition comprising therapeutically effective amounts of supercritical extracts of rosemary, turmeric, oregano and ginger; and therapeutically effective amounts of hydroalcoholic extracts of holy basil, ginger, turmeric, Scutellaria baicalensis, rosemary, green tea, huzhang, Chinese goldthread, and barberry. It is said that this composition modulates gene expression of genes selected from the group consisting of interleukin-la, interleukin-1β, heme oxygenase 1, aldo-keto reductase family 1 member C2, colony stimulating factor 3, leukemia inhibitory factor, and heat shock 70 kDa protein. SUMMARY OF THE INVENTION
    [0008] One embodiment of the present invention includes a method for treating a glioblastoma in a human or animal subject comprising the steps of: identifying the human or animal subject in need of treatment of a glioblastoma, wherein the human or animal is no longer responsive to at least one of chemotherapy, surgery, or radiation therapy; and administering to the human or animal subject a therapeutically effective amount of a composition comprising: an amount of a curcumin or curcuminoids in one or more liposomes, or curcumin or curcuminoids and empty liposomes and administered prior to, concomitantly, or after administration of the curcumin or curcuminoids, that is effective for treating the glioblastoma, wherein the liposomal curcumin or curcuminoids, or empty liposomes, eliminate the QT prolongation caused by the curcumin or curcuminoids; and at least one chemotherapeutic agent that is synergistic with curcumin to treat the glioblastoma. In one aspect, the chemotherapeutic agent is selected from at least one of temozolomide, etoposide, doxorubicin, cisplatin, paclitaxel, carmustine, lomustine, ceramide and phosphorylcholine. In another aspect, the QT prolongation is LQTS. In another aspect, the liposomal curcumin or curcuminoids, or empty liposomes are provided intravenously. In another aspect, the composition increases ceramide production of the glioblastoma cell. In another aspect, the composition increases phosphorylcholine production of the glioblastoma cell. In another aspect, the glioblastoma cells are sensitized to an agent to which they have become refractory as a result of increased ceramide production in the glioblastoma cell. In another aspect, the glioblastoma cells are sensitized to an agent to which they have become refractory as a result of increased phosphorylcholine production in the glioblastoma cell.
    [0009] Another embodiment of the present invention includes a method for treating a glioblastoma in a human or animal subject comprising the steps of: identifying the human or animal subject in need of treatment of a glioblastoma, wherein the human or animal is no longer responsive to at least one of chemotherapy, surgery, or radiation therapy; and administering to the human or animal subject a therapeutically effective amount of a composition comprising: an amount of a curcumin or curcuminoids in one or more liposomes, or curcumin or curcuminoids and empty liposomes and administered prior to, concomitantly, or after administration of the curcumin or curcuminoids, that is effective for treating the glioblastoma, wherein the liposomal curcumin or curcuminoids, or empty liposomes, eliminate the QT prolongation caused by the curcumin or curcuminoids; and at least one chemotherapeutic agent that is synergistic with curcumin to treat the glioblastoma, selected from at least one of temozolomide, etoposide, doxorubicin, cisplatin, paclitaxel, carmustine, lomustine, ceramide and phosphorylcholine. In one aspect, the QT prolongation is LQTS. In another aspect, the liposomal curcumin or curcuminoids, or empty liposomes are provided intravenously. In another aspect, the composition increases ceramide production of the glioblastoma cell. In another aspect, the composition increases phosphorylcholine production of the glioblastoma cell. In another aspect, the glioblastoma cells are sensitized to an agent to which they have become refractory as a result of increased ceramide production in the glioblastoma cell. In another aspect, the glioblastoma cells are sensitized to an agent to which they have become refractory as a result of increased phosphorylcholine production in the glioblastoma cell.
    [0010] Yet another embodiment of the present invention includes a method of determining the effectiveness of a candidate drug that is a chemotherapeutic agent that sensitizes or synergizes with curcumin to treat the glioblastoma, the method comprising: measuring the effect of a candidate agent on a glioblastoma cell; administering the candidate drug to a first subset of glioblastoma cells, and a combination of the candidate drug with curcumin to a second subset of glioblastoma cells; and determining if the curcumin sensitizes or synergizes the glioblastoma cells to the candidate agent in the first versus the second subset of glioblastoma cells. In one aspect, the method further comprises the step of determining if the candidate drug increases ceramide production of the glioblastoma cell. In another aspect, the method further comprises the step of determining if the candidate drug increases phosphorylcholine production of the glioblastoma cell. In another aspect, the method further comprises the step of determining if the glioblastoma cells are sensitized to an agent to which they have become refractory as a result of increased ceramide production in the glioblastoma cell. In another aspect, the method further comprises the step of determining if the glioblastoma cells are sensitized to an agent to which they have become refractory as a result of increased phosphorylcholine production in the glioblastoma cell.
    [0011] Another embodiment of the present invention includes a composition comprising an amount of a curcumin or curcuminoids in one or more liposomes, or curcumin or curcuminoids and empty liposomes and administered prior to, concomitantly, or after administration of the curcumin or curcuminoids, that is effective for treating the glioblastoma, wherein the liposomal curcumin or curcuminoids, or empty liposomes, eliminate the QT prolongation caused by the curcumin or curcuminoids; and at least one chemotherapeutic agent that is synergistic with curcumin to treat the glioblastoma.
    [0012] Another embodiment of the present invention includes a composition consisting essentially of an amount of a curcumin or curcuminoids in one or more liposomes, or curcumin or curcuminoids and empty liposomes and administered prior to, concomitantly, or after administration of the curcumin or curcuminoids, that is effective for treating the glioblastoma, wherein the liposomal curcumin or curcuminoids, or empty liposomes, eliminate the QT prolongation caused by the curcumin or curcuminoids; and at least one chemotherapeutic agent that is synergistic with curcumin to treat the glioblastoma. DETAILED DESCRIPTION OF THE INVENTION
    [0013] While the making and using of various embodiments of the present invention are discussed in detail below, it should be appreciated that the present invention provides many applicable inventive concepts that can be embodied in a wide variety of specific contexts. The specific embodiments discussed herein are merely illustrative of specific ways to make and use the invention and do not delimit the scope of the invention.
    [0014] To facilitate the understanding of this invention, a number of terms are defined below. Terms defined herein have meanings as commonly understood by a person of ordinary skill in the areas relevant to the present invention. Terms such as "a", "an" and "the" are not intended to refer to only a singular entity, but include the general class of which a specific example may be used for illustration. The terminology herein is used to describe specific embodiments of the invention, but their usage does not delimit the invention, except as outlined in the claims.
    [0015] Glioblastoma multiforme is a highly aggressive primary cancer of the brain associated with a poor prognosis. Modest increases in survival can sometimes be achieved with the use of temozolomide and radiation therapy after surgery, but second line therapy after recurrence has limited efficacy. Curcumin has demonstrated promising results against this cancer in experimental models. The reported activity of curcumin against cancer stem cells, a major cause of glioblastoma resistance to therapy, and its ability to augment the apoptotic effects of ceramides, suggests a synergistic effect with cytotoxic chemotherapy agents currently used in second-line therapy, such as lomustine.
    [0016] Glioblastoma (glioblastoma multiforme, (GBM)) is a highly malignant (grade IV) tumor arising from astrocytes. About 15 percent of all primary brain tumors are GBM. GBM may arise de novo or, occasionally, from a low-grade astrocytoma. Genetic abnormalities are common (1-4). Median survival with treatment is 15 months, with a two-year survival of less than 25%. Survival without treatment is usually only a few months (5-8). Frequent presenting signs include headaches, nausea, seizures, blurred vision, vomiting, and personality changes. Standard treatment is a combination of surgery, radiotherapy, and chemotherapy. The effectiveness of surgery is limited by the difficulty of complete tumor resection and the presence of residual tumor cells (9-11). If surgical ablation is not an option due to tumor size, tumor location, or very poor patient performance status, a combination of radiation and chemotherapy is used.
    [0017] Standard Chemotherapy for Glioblastoma. Temozolomide (TMZ) is an oral alkylating agent, which is an imidazotetrazine derivative of dacarbazine. TMZ crosses the blood-brain barrier and is, in combination with radiation, the most frequently used first-line treatment given following surgery (12-15). A randomized trial of radiation therapy plus TMZ showed a modest increase in patient median survival with the addition of TMZ to radiotherapy. Median survival with this combination is 14.6 months compared to 12.1 months with radiation therapy alone (16-18). Two other agents, bevacizumab (which suppresses angiogenesis), and lomustine (CCNU) have frequently been used as second-line therapy (19-23). Lomustine is a lipid-soluble, alkylating nitrosourea, which also crosses the blood-brain barrier (21-25). However, treatment with these agents results in only minor increases in survival, and overall patient survival rates remain low with a 5 year survival of less than 10% at five years after diagnosis (18, 26). Due to the highly resistant and aggressive nature of GBM, new treatments are needed.
    [0018] Curcumin. Curcumin (diferuloylmethane) is the principal curcuminoid of turmeric, the Indian spice derived from the plant Curcuma longa linn. Curcumin absorbs light with a wavelength maximum at approximately 420 nm, thus giving turmeric its yellow color. Curcumin has been shown to have anti-oxidant, anti-infective and anti-cancer effects, and its use is being investigated in diseases as diverse as diabetes (27), Alzheimer's disease (28), hepatitis (29) and rheumatoid arthritis (30). When orally administered, it is non-toxic and safe (31-35). Curcumin has numerous mechanisms of action, including suppressing pro-inflammatory cytokines such as TNFα, IL1, IL6, IL8, and affects multiple signaling pathways including Wnt, notch, MAKP, hedgehog and JAK/STAT (36-41). Curcumin is highly lipophilic, and crosses the blood-brain barrier (42, 43).
    [0019] Curcumin and GBM. The potential benefits of curcumin as a treatment for GBM have been studied by numerous groups (44-49). Aoki et al showed that curcumin induced autophagy by suppression of the Akt/mTOR/p70S6K and activation of the ERK1/2 pathways in U87-MG and U373-MG human malignant glioma cells harboring a PTEN mutation. Similar results were seen in KBM-5 human leukemia cells (50). Choi et al reported that curcumin activates p21 in U87-MG human GBM cells via ERK and JNK signaling (51). Senft et al studied human primary and recurrent GBM cell lines, and showed that curcumin reduced cell growth, inhibited migration and decreased invasiveness due to its inhibition of the JAK/STAT3 pathway (52). Similarly, Dhandapani et al showed that curcumin enhanced cell death by reducing the activity of AP-1 and NFκB binding in human and rat glioma cell lines (53). Zanotto-Filho et al showed that, in the C6 implant rat glioma model, curcumin caused reduction in brain tumor volume (54). Perry et al showed that curcumin can suppress growth of human glioma U87 cells xenografted into athymic mice (55).
    [0020] Curcumin's effects on GBM stem cells may also be important. Beier et al have shown that detoxifying proteins such as O6-methylguanine-DNA-methyltransferase (MGMT) may confer the intrinsic resistance of cancer stem cells to alkylating agents (56). Other researchers have also suggested a key role for stem cells in GBM formation and resistance to alkylating agent therapy (57, 58). Fong et al studied rat C6 glioma cells, and showed that curcumin may have the potential to target cancer stem cells (59). Zhuang et al found that curcumin induced differentiation of glioma-initiating cells and inhibited their growth via autophagy (60).
    [0021] Curcumin: Alternate Delivery Mechanisms. Recently, new mechanisms have emerged, and engendered methods of improving the efficacy of curcumin (61-65). These methods may prove superior because of their ability to deliver greater doses of curcumin to the tumor. Nano-sized capsules of curcumin have been used as a treatment of GBM cells. Lim et al have shown that curcumin nanoparticles can slow GBM growth through the inhibition of cell proliferation and a reduction in stem-like tumor cells (66). Langone et al have shown that curcumin coupled to a monoclonal antibody caused a 120-fold increase in the death of human GBM cells in culture compared to curcumin alone. In addition, mice implanted with GBM cells had an extended survival time and a reduction in the size of the brain tumor mass with this treatment (67).
    [0022] Rationale for Combination therapy. The present invention includes an optimal method of using curcumin, not as a single agent, but rather in combination with cytotoxic chemotherapy. Ramachandran et al have shown that curcumin could be used to increase the therapeutic potential of TMZ or of etoposide in brain tumor cell lines (68). Yin et al investigated the use of a combination of curcumin and TMZ in U87MG GBM cell lines and in xenograft mouse models, and found that curcumin enhanced the effects of TMZ by generating reactive oxygen species production, and by suppressing phosphorylated AKT and mTOR, thus causing cell death (69). Zanotto-Filho et al showed that curcumin could increase the cytotoxic effects of doxorubicin and cisplatin on GBM cells (70). Wu et al showed curcumin enhanced TMZ cytotoxicity of human GBM cells (71). It has been reported that curcumin and paclitaxel act synergistically with much greater activity than seen with each individual agent in increasing the Bax:Bcl-2 ratio, increasing cytochrome C, reducing angiogenesis and causing apoptosis of HBTSC, LN18 and U138MG cells (72).
    [0023] These results suggest that the use of curcumin should be investigated in clinical trials of patients with GBM, ideally as a second line therapy after failure of radiation therapy and TMZ, and that the optimal method for using curcumin in this setting may be in combination with an established cytotoxic chemotherapy agent with activity against GBM such as carmustine or lomustine. As noted, it appears that a major reason for the very limited efficacy of alkylating agents in established tumors is the resistance of GBM stem cells to therapy. The inventors' previous work shows that curcumin may be effective in reducing or eliminating the population of cancer stem cells, either by causing their apoptosis or their differentiation (73-76), while conventional chemotherapy alone is ineffective against stem cells, resulting in tumor recurrence even following initial response (77). Further, curcumin may also increase the activity of cytotoxic chemotherapy against mature tumor cells. Curcumin has been shown to enhance ceramide production by increasing the activity of enzyme ceramide synthase (78). It has been suggested that the progression of GBM is caused by a decrease in ceramide levels (79). Increased activity of glucosylceramide synthase, an enzyme that causes a decrease in ceramides, has been associated with GBM progression and resistance to TMZ (80). In contrast, acid sphingomyelinase, which hydrolyzes sphingomyelin to ceramide and phosphorylcholine, has been shown to sensitize glioma cell lines to chemotherapy or radiation therapy (81, 82). The combination of curcumin and chemotherapy has also been shown to have a synergistic effect on the generation of reactive oxygen species (ROS) in GBM cell lines and in mouse xenografts (69). This may be additional mechanism by which GBM cell destruction might be enhanced, since ROS are known to increase acid sphingomyelinase activity and, in consequence, ceramide levels (83-85).
    [0024] However, it has been found that using the liposomal curcumin, curcumin and empty liposomes and a second chemotherapeutic agent that synergizes with curcumin, for example, by increasing ceramide levels, the present invention can be used to treat glioblastoma patients that have become resistant to first-line therapies. Further, the present inventors have found that the liposomal curcumin and/or curcumin and empty liposomes fail to trigger QT interval prolongation, which is a critical reason that curcumin or curcuminoids alone cannot be used intravenously. As such, the present invention opens a new path for treatment of glioblastoma heretofore unknown.
    [0025] It is contemplated that any embodiment discussed in this specification can be implemented with respect to any method, kit, reagent, or composition of the invention, and vice versa. Furthermore, compositions of the invention can be used to achieve methods of the invention.
    [0026] It will be understood that particular embodiments described herein are shown by way of illustration and not as limitations of the invention. The principal features of this invention can be employed in various embodiments without departing from the scope of the invention. Those skilled in the art will recognize, or be able to ascertain using no more than routine experimentation, numerous equivalents to the specific procedures described herein. Such equivalents are considered to be within the scope of this invention and are covered by the claims.
    [0027] All publications and patent applications mentioned in the specification are indicative of the level of skill of those skilled in the art to which this invention pertains. All publications and patent applications are herein incorporated by reference to the same extent as if each individual publication or patent application was specifically and individually indicated to be incorporated by reference.
    [0028] The use of the word "a" or "an" when used in conjunction with the term "comprising" in the claims and/or the specification may mean "one," but it is also consistent with the meaning of "one or more," "at least one," and "one or more than one." The use of the term "or" in the claims is used to mean "and/or" unless explicitly indicated to refer to alternatives only or the alternatives are mutually exclusive, although the disclosure supports a definition that refers to only alternatives and "and/or." Throughout this application, the term "about" is used to indicate that a value includes the inherent variation of error for the device, the method being employed to determine the value, or the variation that exists among the study subjects.
    [0029] As used in this specification and claim(s), the words "comprising" (and any form of comprising, such as "comprise" and "comprises"), "having" (and any form of having, such as "have" and "has"), "including" (and any form of including, such as "includes" and "include") or "containing" (and any form of containing, such as "contains" and "contain") are inclusive or open-ended and do not exclude additional, unrecited elements or method steps. In embodiments of any of the compositions and methods provided herein, "comprising" may be replaced with "consisting essentially of' or "consisting of". As used herein, the phrase "consisting essentially of' requires the specified integer(s) or steps as well as those that do not materially affect the character or function of the claimed invention. As used herein, the term "consisting" is used to indicate the presence of the recited integer (e.g., a feature, an element, a characteristic, a property, a method/process step or a limitation) or group of integers (e.g., feature(s), element(s), characteristic(s), propertie(s), method/process steps or limitation(s)) only.
    [0030] The term "or combinations thereof' as used herein refers to all permutations and combinations of the listed items preceding the term. For example, "A, B, C, or combinations thereof' is intended to include at least one of: A, B, C, AB, AC, BC, or ABC, and if order is important in a particular context, also BA, CA, CB, CBA, BCA, ACB, BAC, or CAB. Continuing with this example, expressly included are combinations that contain repeats of one or more item or term, such as BB, AAA, AB, BBC, AAABCCCC, CBBAAA, CABABB, and so forth. The skilled artisan will understand that typically there is no limit on the number of items or terms in any combination, unless otherwise apparent from the context.
    [0031] As used herein, words of approximation such as, without limitation, "about", "substantial" or "substantially" refers to a condition that when so modified is understood to not necessarily be absolute or perfect but would be considered close enough to those of ordinary skill in the art to warrant designating the condition as being present. The extent to which the description may vary will depend on how great a change can be instituted and still have one of ordinary skilled in the art recognize the modified feature as still having the required characteristics and capabilities of the unmodified feature. In general, but subject to the preceding discussion, a numerical value herein that is modified by a word of approximation such as "about" may vary from the stated value by at least ±1, 2, 3, 4, 5, 6, 7, 10, 12 or 15%.
    [0032] Additionally, the section headings herein are provided for consistency with the suggestions under 37 CFR 1.77 or otherwise to provide organizational cues. These headings shall not limit or characterize the invention(s) set out in any claims that may issue from this disclosure. Specifically and by way of example, although the headings refer to a "Field of Invention," such claims should not be limited by the language under this heading to describe the so-called technical field. Further, a description of technology in the "Background of the Invention" section is not to be construed as an admission that technology is prior art to any invention(s) in this disclosure. Neither is the "Summary" to be considered a characterization of the invention(s) set forth in issued claims. Furthermore, any reference in this disclosure to "invention" in the singular should not be used to argue that there is only a single point of novelty in this disclosure. Multiple inventions may be set forth according to the limitations of the multiple claims issuing from this disclosure, and such claims accordingly define the invention(s), and their equivalents, that are protected thereby. In all instances, the scope of such claims shall be considered on their own merits in light of this disclosure, but should not be constrained by the headings set forth herein.
    [0033] All of the compositions and/or methods disclosed and claimed herein can be made and executed without undue experimentation in light of the present disclosure. While the compositions and methods of this invention have been described in terms of preferred embodiments, it will be apparent to those of skill in the art that variations may be applied to the compositions and/or methods and in the steps or in the sequence of steps of the method described herein without departing from the concept, spirit and scope of the invention. All such similar substitutes and modifications apparent to those skilled in the art are deemed to be within the spirit, scope and concept of the invention as defined by the appended claims.Accordingly, the present invention discloses the following embodiments:1. A method for treating a glioblastoma in a human or animal subject comprising the steps of: identifying the human or animal subject in need of treatment of a glioblastoma, wherein the human or animal is no longer responsive to at least one of chemotherapy, surgery, or radiation therapy; and administering to the human or animal subject a therapeutically effective amount of a composition comprising: an amount of a curcumin or curcuminoids in one or more liposomes, or curcumin or curcuminoids and empty liposomes and administered prior to, concomitantly, or after administration of the curcumin or curcuminoids, that is effective for treating the glioblastoma, wherein the liposomal curcumin or curcuminoids, or empty liposomes, eliminate the QT prolongation caused by the curcumin or curcuminoids; and at least one chemotherapeutic agent that is synergistic with curcumin to treat the glioblastoma. 2. The method of embodiment 1, wherein the chemotherapeutic agent is selected from at least one of temozolomide, etoposide, doxorubicin, cisplatin, paclitaxel, carmustine, lomustine, ceramide and phosphorylcholine. 3. The method of embodiment 1, wherein the QT prolongation is LQTS. 4. The method of embodiment 3, wherein the liposomal curcumin or curcuminoids, or empty liposomes are provided intravenously. 5. The method of embodiment 1, wherein the composition increases ceramide production of the glioblastoma cell. 6. The method of embodiment 1, wherein the composition increases phosphorylcholine production of the glioblastoma cell. 7. The method of embodiment 1, wherein the glioblastoma cells are sensitized to an agent to which they have become refractory as a result of increased ceramide production in the glioblastoma cell. 8. The method of embodiment 1, wherein the glioblastoma cells are sensitized to an agent to which they have become refractory as a result of increased phosphorylcholine production in the glioblastoma cell. 9. A method for treating a glioblastoma in a human or animal subject comprising the steps of: identifying the human or animal subject in need of treatment of a glioblastoma, wherein the human or animal is no longer responsive to at least one of chemotherapy, surgery, or radiation therapy; and administering to the human or animal subject a therapeutically effective amount of a composition comprising: an amount of a curcumin or curcuminoids in one or more liposomes, or curcumin or curcuminoids and empty liposomes and administered prior to, concomitantly, or after administration of the curcumin or curcuminoids, that is effective for treating the glioblastoma, wherein the liposomal curcumin or curcuminoids, or empty liposomes, eliminate the QT prolongation caused by the curcumin or curcuminoids; and at least one chemotherapeutic agent that is synergistic with curcumin to treat the glioblastoma, selected from at least one of temozolomide, etoposide, doxorubicin, cisplatin, paclitaxel, carmustine, lomustine, ceramide and phosphorylcholine. 10. The method of embodiment 9, wherein the QT prolongation is LQTS. 11. The method of embodiment 9, wherein the liposomal curcumin or curcuminoids, or empty liposomes are provided intravenously. 12. The method of embodiment 9, wherein the composition increases ceramide production of the glioblastoma cell. 13. The method of embodiment 9, wherein the composition increases phosphorylcholine production of the glioblastoma cell. 14. The method of embodiment 9, wherein the glioblastoma cells are sensitized to an agent to which they have become refractory as a result of increased ceramide production in the glioblastoma cell. 15. The method of embodiment 9, wherein the glioblastoma cells are sensitized to an agent to which they have become refractory as a result of increased phosphorylcholine production in the glioblastoma cell. 16. A method of determining the effectiveness of a candidate drug that is a chemotherapeutic agent that sensitizes or synergizes with curcumin to treat the glioblastoma, the method comprising: measuring the effect of a candidate agent on a glioblastoma cell; administering the candidate drug to a first subset of glioblastoma cells, and a combination of the candidate drug with curcumin to a second subset of glioblastoma cells; and determining if the curcumin sensitizes or synergizes the glioblastoma cells to the candidate agent in the first versus the second subset of glioblastoma cells. 17. The method of embodiment 16, wherein the method further comprises the step of determining if the candidate drug increases ceramide production of the glioblastoma cell. 18. The method of embodiment 16, wherein the method further comprises the step of determining if the candidate drug increases phosphorylcholine production of the glioblastoma cell. 19. The method of embodiment 16, wherein the method further comprises the step of determining if the glioblastoma cells are sensitized to an agent to which they have become refractory as a result of increased ceramide production in the glioblastoma cell. 20. The method of embodiment 16, wherein the method further comprises the step of determining if the glioblastoma cells are sensitized to an agent to which they have become refractory as a result of increased phosphorylcholine production in the glioblastoma cell. REFERENCES
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    权利要求:
    Claims (14)
    [0001] A composition for use in a method for treating a glioblastoma in a human or animal subject comprising of:administering to human or animal subject that is in need of treatment of a glioblastoma, wherein the human or animal is no longer responsive to at least one of chemotherapy, surgery, or radiation therapy, a therapeutically effective amount of the composition comprising:
    an amount of a curcumin or curcuminoids in one or more liposomes, or curcumin or curcuminoids and empty liposomes and administered prior to, concomitantly, or after administration of the curcumin or curcuminoids, that is effective for treating the glioblastoma, wherein the liposomal curcumin or curcuminoids, and empty liposomes, wherein the empty liposomes eliminate the QT prolongation caused by the curcumin or curcuminoids; and
    at least one chemotherapeutic agent that is synergistic with curcumin to treat the glioblastoma.
    [0002] The composition for use according to claim 1, wherein the chemotherapeutic agent is selected from at least one of temozolomide, etoposide, doxorubicin, cisplatin, paclitaxel, carmustine, lomustine, ceramide and phosphorylcholine.
    [0003] A composition for use in treating a glioblastoma in a human or animal subject comprising of:administering to the human or animal subject that is in need of treatment of a glioblastoma, wherein the human or animal is no longer responsive to at least one of chemotherapy, surgery, or radiation therapy, a therapeutically effective amount of the composition comprising:
    an amount of a curcumin or curcuminoids in one or more liposomes, or curcumin or curcuminoids and empty liposomes and administered prior to, concomitantly, or after administration of the curcumin or curcuminoids, that is effective for treating the glioblastoma, wherein the liposomal curcumin or curcuminoids, and empty liposomes, wherein the empty liposomes eliminate the QT prolongation caused by the curcumin or curcuminoids; and
    at least one chemotherapeutic agent that is synergistic with curcumin to treat the glioblastoma, selected from at least one of temozolomide, etoposide, doxorubicin, cisplatin, paclitaxel, carmustine, lomustine, ceramide and phosphorylcholine.
    [0004] The composition for use according to any one of claims 1 to 3, wherein the QT prolongation is LQTS.
    [0005] The composition for use according to any one of claims 1 to 4, wherein the liposomal curcumin or curcuminoids, or empty liposomes are provided intravenously.
    [0006] The composition for use according to any one of claims 1 to 5, wherein the composition increases ceramide production of the glioblastoma cell.
    [0007] The composition for use according to any one of claims 1 to 6, wherein the composition increases phosphorylcholine production of the glioblastoma cell.
    [0008] The composition for use according to any one of claims 1 to 7, wherein the glioblastoma cells are sensitized to an agent to which they have become refractory as a result of increased ceramide production in the glioblastoma cell.
    [0009] The composition for use according to any one of claims 1 to 8, wherein the glioblastoma cells are sensitized to an agent to which they have become refractory as a result of increased phosphorylcholine production in the glioblastoma cell.
    [0010] A method of determining the effectiveness of a candidate drug that is a chemotherapeutic agent that sensitizes or synergizes with curcumin to treat the glioblastoma, the method comprising:
    measuring the effect of a candidate agent on a glioblastoma cell;
    administering the candidate drug to a first subset of glioblastoma cells, and a combination of the candidate drug with curcumin to a second subset of glioblastoma cells; and empty liposomes, wherein the empty liposomes eliminate the QT prolongation caused by the curcumin; and
    determining if the curcumin sensitizes or synergizes the glioblastoma cells to the candidate agent in the first versus the second subset of glioblastoma cells.
    [0011] The method of claim 10, wherein the method further comprises the step of determining if the candidate drug increases ceramide production of the glioblastoma cell.
    [0012] The method of claim 10 or 11, wherein the method further comprises the step of determining if the candidate drug increases phosphorylcholine production of the glioblastoma cell.
    [0013] The method of any one of claims 10 to 12, wherein the method further comprises the step of determining if the glioblastoma cells are sensitized to an agent to which they have become refractory as a result of increased ceramide production in the glioblastoma cell.
    [0014] The method of any one of claims 10 to 13, wherein the method further comprises the step of determining if the glioblastoma cells are sensitized to an agent to which they have become refractory as a result of increased phosphorylcholine production in the glioblastoma cell.
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    EP3144006A1|2017-03-22|
    US10485768B2|2019-11-26|
    EP3144006B1|2020-06-17|
    CA2940470C|2019-08-20|
    US20170079934A1|2017-03-23|
    US20200046652A1|2020-02-13|
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