WO2021024897A1 - 悪性腫瘍を治療するための併用薬、悪性腫瘍を治療するための医薬組成物、および、悪性腫瘍治療用医薬組成物 - Google Patents
悪性腫瘍を治療するための併用薬、悪性腫瘍を治療するための医薬組成物、および、悪性腫瘍治療用医薬組成物 Download PDFInfo
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- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
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Definitions
- the disclosure of this application relates to a concomitant drug for treating a malignant tumor, a pharmaceutical composition for treating a malignant tumor, and a pharmaceutical composition for treating a malignant tumor.
- Malignant tumor (cancer) (hereinafter sometimes referred to simply as "tumor”) is the number one factor in the mortality rate of Japanese people, but if early treatment by early diagnosis is possible, the mortality rate. It is said that can be significantly reduced.
- Known treatments for tumors include surgical excision, radiation, and treatment with anticancer agents.
- tumor treatment using an oncolytic virus that specifically proliferates in tumor cells is also known.
- C-REV is an oncolytic herpes simplex virus (HSV), which is a mutant virus that destroys a tumor by infecting only the tumor and exerts an antitumor effect.
- HSV herpes simplex virus
- the virus spreads from the tumor destroyed by the virus infection, and the released cancer antigen causes activation of tumor-specific lymphocytes. These activated lymphocytes have strong tumor immunity.
- Non-Patent Document 1 when C-REV is administered to a tumor, not only the tumor cells actually infected with C-REV, but also the tumor cells around the tumor cells destroyed by C-REV, and the tumor cells that have metastasized distantly are treated. It is known that tumor-specific lymphocytes exert an antitumor effect instead of viral infection (see Non-Patent Document 1).
- cGAS cyclic GMP-AMP synchronize
- STING interferon gene stimulator
- type I IFN type I interferon
- cGAS senses infection by binding to intracellular pathogens and short-stranded DNA derived from viruses, and in response to this, produces cyclic GMP-AMP (hereinafter, may be referred to as "cGAMP") and STING. It is recognized as a member of the host cell surveillance mechanism that induces the production of type I IFN through activation of the virus.
- the type I IFN produced alerts surrounding cells and at the same time provokes its own defense gene response. It also activates the defensive pathogen-specific immune response of pathogen-specific antibodies, antigen-specific helper T cells, and cytotoxic T cells against immune cells. It is also known that STING activation of antigen-presenting cells increases antigen-presenting ability, activates tumor immunity, and leads to an antitumor effect (see Non-Patent Document 2).
- Non-Patent Document 1 As described in Non-Patent Document 1, C-REV administered to the tumor exerts an antitumor effect, and as described in Non-Patent Document 2, activation of STING induces an antitumor effect. It is known.
- C-REV described in Non-Patent Document 1 does not infect normal cells, and the virus and cancer antigen released from the tumor destroyed by C-REV have an antitumor effect on surrounding tumor cells. Demonstrate. Therefore, an environment in which the virus easily grows in the tumor cells is preferable to an environment in which the growth of the tumor cells is suppressed because the virus and cancer antigens are continuously released.
- Non-Patent Document 2 activates an immune response by administering a STING agonist to a tumor, and exhibits an antiviral immunity and an antitumor immunity activating effect. In other words, it creates an environment that suppresses the growth of tumor cells and at the same time eliminates the virus.
- a tumor having a reduced function of the STING pathway is highly susceptible to an oncolytic virus, and it is considered that administration of the virus is expected to have a higher therapeutic effect.
- the object of the disclosure of the present application is to provide a concomitant drug for treating a malignant tumor, a pharmaceutical composition for treating a malignant tumor, and a pharmaceutical composition for treating a malignant tumor, which have an excellent antitumor effect. That is.
- the disclosure of this application relates to the following concomitant drugs for treating malignant tumors, pharmaceutical compositions for treating malignant tumors, and pharmaceutical compositions for treating malignant tumors.
- a concomitant drug for treating a malignant tumor is A first drug containing an oncolytic virus belonging to type 1 herpes simplex virus as an active ingredient, A second drug containing an interferon gene stimulator agonist as an active ingredient, Concomitant medications, including.
- the oncolytic virus is a mutant virus that has not been artificially modified.
- the interferon gene stimulating factor agonist is 2'3'-cyclic GMP-AMP.
- the first drug and the second drug are administered to a malignant tumor.
- a pharmaceutical composition for treating a malignant tumor is Oncolytic virus belonging to type 1 herpes simplex virus and Interferon gene stimulator agonist and Is combined as an active ingredient, The pharmaceutical composition is used to be administered to a patient in the order of an oncolytic virus belonging to the type 1 herpes simplex virus and the interferon gene stimulating factor agonist.
- the oncolytic virus is a mutant virus that has not been artificially modified.
- the interferon gene stimulating factor agonist is 2'3'-cyclic GMP-AMP.
- the oncolytic virus and the interferon gene stimulating factor agonist are administered to the tumor.
- composition for the treatment of malignant tumors containing an oncolytic virus belonging to type 1 herpes simplex virus as an active ingredient for use in combination therapy with a pharmaceutical composition for treating malignant tumors containing an interferon gene stimulating factor agonist as an active ingredient.
- Pharmaceutical composition for the treatment of malignant tumors containing an interferon gene stimulator agonist as an active ingredient for use in combination therapy with a pharmaceutical composition for treating malignant tumors containing an oncolytic virus belonging to type 1 herpes simplex virus as an active ingredient.
- Pharmaceutical composition for the treatment of malignant tumors containing an interferon gene stimulator agonist as an active ingredient for use in combination therapy with a pharmaceutical composition for treating malignant tumors containing an oncolytic virus belonging to type 1 herpes simplex virus as an active ingredient.
- a tumor is treated using a concomitant drug for treating a tumor, a pharmaceutical composition for treating a tumor, and a pharmaceutical composition for treating a tumor disclosed in this application
- the tumor at the site where the drug is administered is treated.
- the antitumor effect is improved, and the antitumor effect on the tumor at the site distant from the tumor at the site where the drug is administered is also improved.
- FIG. 1A is a graph showing the antitumor effect in the treatment group to which the drug was administered in Example 1 and Comparative Examples 1 to 3.
- FIG. 1B is a graph showing the antitumor effect of tumors in Examples 1 and Comparative Examples 1 to 3, which are separated from the treated group to which the drug was administered and which are not treated with the drug (non-treated group). is there.
- FIG. 2 is a graph showing the antitumor effect in a tumor separated from the tumor to which the drug was administered (tumor to which the drug was not administered) in Example 2 and Comparative Examples 4 to 5.
- a concomitant drug for treating a tumor disclosed in the present application (hereinafter, may be simply referred to as a “concomitant drug”), a pharmaceutical composition for treating a tumor (hereinafter, simply “pharmaceutical composition”). ”) And the pharmaceutical composition for treating tumors will be described in detail.
- Embodiments of the concomitant drug include a first drug containing an oncolytic virus belonging to type 1 herpes simplex virus (HSV-1) as an active ingredient, and a second drug containing an interferon gene stimulating factor (STING) agonist as an active ingredient. , Including.
- HSV-1 herpes simplex virus
- STING interferon gene stimulating factor
- the oncolytic virus belonging to the type 1 herpes simplex virus contained in the first drug is not particularly limited as long as it has a property of specifically multiplying in the tumor, and is a virus strain isolated from nature. It may be either an artificially modified (eg, heterologous gene introduced) virus strain.
- Examples of the oncolytic virus belonging to the type 1 herpes simplex virus include Canerpaturev (C-REV: former name: HF10).
- C-REV is an attenuated mutant of herpes simplex virus type 1 carrying the functional ⁇ 1 34.5 gene without artificial modification, and its antitumor effect can be obtained by local administration to the tumor. Be done.
- C-REV is provided by Takara Bio Inc. for joint research purposes.
- C-REV is referred to as WO2002 / 092826 International Pamphlet, Hepat-Gastroenterology 2003; 50: 961-966, Microbes Infect. 2007; 1-8, Current Gene Therapy. 2008 Jun; 8 (3): 208-21, or Front Oncol. It is a herpes simplex virus reported in 2017; 7,149 and the like.
- oncolytic viruses belonging to type 1 herpes simplex virus other than C-REV include talimogene laherparepvec (T-VEC: Immunotherapy. 2015, 7, (6): 611-9.).
- T-VEC is an oncolytic virus derived from type 1 herpes simplex virus carrying the GM-CSF gene, and has been approved as a drug by the US Food and Drug Administration.
- G47 ⁇ is also an oncolytic virus prepared by modifying the gene of type 1 herpes simplex virus, and its composition has also been reported (Proc Natl Acad Sci US A. 2001, 98 (11): 6396. -401).
- JS1 / 34.5- / 47- / mGM-CSF is a type 1 herpes simplex virus that lacks ICP34.5 and ICP47 and has a gene encoding mGM-CSF inserted, and has strong oncolytic virus. It has been reported to have (Gene Therapy 2003, 10 (4); 292-303).
- hrR3 is also known as an oncolytic virus produced by modifying the gene of type 1 herpes simplex virus.
- hrR3 is a recombinant HSV in which a lacZ gene is inserted into the coding sequence of ICP6.
- the method for producing hrR3 is described by DAVID J. GOLDSTEIN et al. , "Herpes Simplex Virus Type 1-Induced Ribonucleotide Reductase Activity Is Dispensable for Virus Growth and DNA Synthesis: Isolation and Characterization of an ICP6 lacZ Insertion Mutant", JOURNAL OF VIROLOGY, Jan. 1988, p. 196-205.
- the hrR3 used in the examples described later was prepared by the procedure described in this paper.
- the dosage form of the first drug is not particularly limited as long as the effect of the contained oncolytic virus is exhibited.
- an injection is preferable as the dosage form because it is most convenient to administer by injection.
- the liquid medium for forming the injection is not particularly limited as long as it is a liquid medium that does not affect the living body, and a known medicinal liquid medium such as physiological saline may be used.
- the first pharmaceutical substance may contain a conventionally used additive, if necessary. Examples of the additive include existing additives such as excipients, binders, lubricants, disintegrants, flavoring and odorants, solvents, stabilizers, bases, wetting agents and preservatives. It is not limited to.
- the first medicine can be a solid preparation (for example, a lyophilized preparation) that can be in the form of a solution at the time of use.
- the STING agonist contained in the second drug is not particularly limited as long as it can activate STING.
- various cyclic dinucleotides cyclic-di-AMP, cyclic-di-GMP, etc.
- cGAMP 2'3'-cyclic GMP-AMP
- Is preferable 2'3'-cyclic GMP-AMP
- cGAMP is produced as a second messenger when intracellular DNA is recognized by the cyclic GMP-AMP synthase (cGAS).
- cGAMP is a catalog No. of invivogen. It can be obtained from thrll-nacga23.
- ADU-S100 which is a cyclic dinucleotide preparation manufactured by Novartis, and methods for producing the same have been reported (for example, WO2015 / 185565, WO2017 / 123669, WO2018 / 208667 etc.).
- Such artificially synthesized cyclic dinucleotides include those into which a phosphorothioate bond has been introduced.
- ADU-S100 is the catalog No. of Chemietek. It can be obtained as CT-ADUS100.
- a derivative of the cyclic dinucleotide for example, a prodrug
- the dosage form of the second drug is not particularly limited as long as it corresponds to the administration route in which the action is exerted. Since it is generally administered locally to the tumor, the dosage form, liquid medium and additives may be the same as those of the first drug.
- the first medicine and the second medicine may be used at the same time, or may be used with a time lag. It is also possible to set the administration schedules for both drugs independently and administer each drug to the subject according to the schedule. Further, the number of administrations of both drugs can be arbitrarily set, and a single administration or a plurality of administrations can be performed.
- the tumor to which the concomitant drug disclosed in the present application is administered is not particularly limited as long as it can be recognized and infected by an oncolytic virus belonging to type 1 simple herpesvirus.
- an oncolytic virus belonging to type 1 simple herpesvirus for example, melanoma, pancreatic cancer, and breast cancer.
- melanoma pancreatic cancer, and breast cancer.
- Head and neck cancer ovarian cancer, liver cancer, colon cancer, bladder cancer, esophageal cancer, lung cancer, prostate cancer and the like.
- the pharmaceutical composition As described above, the first drug and the second drug are used in combination.
- the oncolytic virus belonging to the type 1 herpes simplex virus and the STING agonist are not each seen as a pharmaceutical composition, but the above-mentioned oncolytic virus and the STING agonist are combined. This is different from the embodiment of the concomitant drug in that it is a single pharmaceutical composition.
- the pharmaceutical composition of the present invention is administered to a patient in the order of the first drug and the second drug. Other points are the same as those of the concomitant drug embodiment.
- a pharmaceutical composition for treating a tumor Next, an embodiment of a pharmaceutical composition for treating a tumor will be described.
- the oncolytic virus belonging to type 1 herpes simplex virus and the STING agonist can be used in combination to improve the antitumor effect of each. Therefore, the above-mentioned pharmaceutical composition for tumor treatment containing an oncolytic virus as an active ingredient can be used in combination therapy with a pharmaceutical composition for tumor treatment containing a STING agonist as an active ingredient. Unlike, the other points are the same.
- a pharmaceutical composition for tumor treatment containing a STING agonist as an active ingredient is an embodiment of a concomitant drug in that it can be used in combination therapy with a pharmaceutical composition for tumor treatment containing the oncolytic virus as an active ingredient. Unlike, the other points are the same.
- Example 1 (1) Preparation of tumor mouse As a mouse, a 6-week-old female C3H / He Slc (purchased from Chubu Scientific Materials Co., Ltd.) mouse was used.
- Mouse squamous cell carcinoma SCC VII murine squamous cell carcinoma; provided by Professor Shinichiro Masunaga, Institute of Combined Nuclear Science, Kyoto University
- the tumor was cut into 2 mm squares and subcutaneously on both sides of the abdomen of the mouse with a tumor transplant needle. Two were transplanted (bilateral abdominal transplant model). Grouping was performed when the size of the tumor reached a size of 100 mm 3 .
- the ends of one tumor and the ends of the other tumor were about 10 mm apart, depending on the mouse.
- first medicament in saline and suspended C-REV at a concentration of 1x10 6 pfu / 100 ⁇ l.
- Second drug 2'3'-cGAMP (No. thrll-nacga23 from invivogen) was dissolved and suspended in physiological saline to a concentration of 20 ⁇ g / 100 ⁇ l.
- the tumor size was calculated by the major axis x minor axis x minor axis x 1/2 of the tumor.
- FIG. 1 is a graph showing the results of measuring the tumor size in Example 1 and Comparative Examples 1 to 3, FIG. 1A is a result of a treated group to which a drug was administered, and FIG. 1B is a result of a non-treated group to which a drug was not administered. It is a graph which shows.
- Comparative Example 1 C-REV
- Comparative Example 2 cGAMP
- Comparative Example 3 Comparative Example 3 for tumors formed on the opposite side of the abdomen from the treatment group.
- the same result that, that is, the tumor showing almost no antitumor effect on the tumor separated from the treatment group to which the drug was administered.
- Example 1 C-REV + cGAMP
- the combined use of C-REV and cGAMP showed a remarkable antitumor effect even on a tumor distant from the treatment group to which the drug was administered. It is said that C-REV can destroy the tumor cells surrounding the infected tumor cells, but the results shown in FIG.
- Example 1B show that the tumor formed apart from the tumor to which C-REV was administered Showed little antitumor effect. On the other hand, in Example 1, the antitumor effect was also shown for the separated tumors. It is considered that the administration of the first drug (C-REV) and the second drug (cGAMP) to the tumor cells resulted in an effect that could not be achieved by itself due to an unexpected mechanism of action.
- C-REV first drug
- cGAMP second drug
- the first drug (C-REV) and the second drug (cGAMP) show antitumor effects alone, but by using the first drug and the second drug in combination, (1) The effect of improving the antitumor effect on the administered tumor (significant effect), (2) Since it shows an antitumor effect not only on the administered tumor but also on the tumor separated from the administered tumor, there are very small tumors that exist around the tumor found by the test but cannot be found by the test. Even if there is, the effect of being able to treat the tumor at the same time (heterogeneous effect), Play. Therefore, compared with the effects of the first drug and the second drug, when the first drug and the second drug are used in combination, a remarkable effect and a different effect are obtained as compared with the case where the respective drugs are used. Can play.
- C-REV can be used as a pharmaceutical composition by combining C-REV and a STING agonist
- C-REV is used as an active ingredient.
- the pharmaceutical composition for tumor treatment containing STING agonist as an active ingredient can be used for combination therapy with the pharmaceutical composition for tumor treatment containing a STING agonist as an active ingredient
- (3) the pharmaceutical composition for tumor treatment containing a STING agonist as an active ingredient It was also confirmed that the product can be used in combination therapy with a pharmaceutical composition for treating tumors containing C-REV as an active ingredient.
- Example 2 The experiment was carried out in the same procedure as in Example 1 except that hrR3 was used instead of C-REV as the first drug.
- FIG. 2 is a graph showing the results of measuring the size of the tumor (tumor not administered the drug, corresponding to FIG. 1B) separated from the tumor to which the drug was administered in Example 2 and Comparative Examples 4 to 5.
- FIG. 2 As is clear from FIG. 2, as compared with Comparative Example 4 in which hrR3 was used alone, in Example 2 in which hrR3 and cGAMP were used in combination, a remarkable antitumor was observed against the tumor separated from the tumor to which the drug was administered. It was confirmed that it showed an effect.
- the concomitant drug, pharmaceutical composition, and pharmaceutical composition for treating tumors disclosed in the present application show a remarkable antitumor effect on the administered tumor and also antitumor on the tumor separated from the administered tumor. Show the effect. Therefore, it is useful for the development of drugs for treating tumors in universities, medical institutions, pharmaceutical companies, etc.
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Abstract
Description
1型単純ヘルペスウイルスに属する腫瘍溶解性ウイルスを有効成分として含む第1医薬と、
インターフェロン遺伝子刺激因子アゴニストを有効成分として含む第2医薬と、
を含む、併用薬。
(2)前記腫瘍溶解性ウイルスが、人為的な改変が行われていない変異ウイルスである、
上記(1)に記載の併用薬。
(3)前記インターフェロン遺伝子刺激因子アゴニストが、2’3’-cyclic GMP-AMPである、
上記(1)または(2)に記載の併用薬。
(4)前記第1医薬と前記第2医薬が、悪性腫瘍に投与される、
上記(1)~(3)のいずれか一つに記載の併用薬。
(5)悪性腫瘍を治療するための医薬組成物であって、該医薬組成物は、
1型単純ヘルペスウイルスに属する腫瘍溶解性ウイルスと、
インターフェロン遺伝子刺激因子アゴニストと、
を有効成分として組み合わせてなり、
前記医薬組成物は、前記1型単純ヘルペスウイルスに属する腫瘍溶解性ウイルス、前記インターフェロン遺伝子刺激因子アゴニストの順に、患者に投与されるように用いられる、
医薬組成物。
(6)前記腫瘍溶解性ウイルスが、人為的な改変が行われていない変異ウイルスである、
上記(5)に記載の医薬組成物。
(7)前記インターフェロン遺伝子刺激因子アゴニストが、2’3’-cyclic GMP-AMPである、
上記(5)または(6)に記載の医薬組成物。
(8)前記腫瘍溶解性ウイルス、および、前記インターフェロン遺伝子刺激因子アゴニストが、腫瘍に投与される、
上記(5)~(7)のいずれか一つに記載の医薬組成物。
(9)インターフェロン遺伝子刺激因子アゴニストを有効成分として含む悪性腫瘍治療用医薬組成物との併用療法に使用するための、1型単純ヘルペスウイルスに属する腫瘍溶解性ウイルスを有効成分として含む悪性腫瘍治療用医薬組成物。
(10)1型単純ヘルペスウイルスに属する腫瘍溶解性ウイルスを有効成分として含む悪性腫瘍治療用医薬組成物との併用療法に使用するための、インターフェロン遺伝子刺激因子アゴニストを有効成分として含む悪性腫瘍治療用医薬組成物。
先ず、併用薬の実施形態について説明する。併用薬の実施形態は、1型単純ヘルペスウイルス(HSV-1)に属する腫瘍溶解性ウイルスを有効成分として含む第1医薬と、インターフェロン遺伝子刺激因子(STING)アゴニストを有効成分として含む第2医薬と、を含んでいる。
次に、医薬組成物の実施形態について説明する。併用薬の実施形態では、上記のとおり、第1医薬と第2医薬とを、併用している。一方、医薬組成物の実施形態では、1型単純ヘルペスウイルスに属する腫瘍溶解性ウイルスとSTINGアゴニストは、夫々が医薬組成物として見られるのではなく、前記の腫瘍溶解性ウイルスとSTINGアゴニストとを組み合わせることで、一つの医薬組成物としている点で、併用薬の実施形態と異なる。また、本発明の医薬組成物は、第1医薬、第2医薬の順に患者に投与される。その他の点については、併用薬の実施形態と同様である。
次に、腫瘍治療用医薬組成物の実施形態について説明する。後述する実施例および比較例に示す通り、1型単純ヘルペスウイルスに属する腫瘍溶解性ウイルスおよびSTINGアゴニストは、併用することで、夫々が有する抗腫瘍効果を向上することができる。したがって、前記の腫瘍溶解性ウイルスを有効成分として含む腫瘍治療用医薬組成物は、STINGアゴニストを有効成分として含む腫瘍治療用医薬組成物との併用療法の用途に使用できる点で併用薬の実施形態と異なり、その他の点は同じである。また、STINGアゴニストを有効成分として含む腫瘍治療用医薬組成物は、前記の腫瘍溶解性ウイルスを有効成分として含む腫瘍治療用医薬組成物との併用療法の用途に使用できる点で併用薬の実施形態と異なり、その他の点は同じである。
(1)腫瘍マウスの作製
マウスは、生後6週間の雌のC3H/He Slc(中部科学資材株式会社から購入)マウスを用いた。マウス扁平上皮がんSCC VII(murine squamous cell carcinoma;京都大学複合原子力科学研究所 増永慎一郎教授より分与頂いた)腫瘍を2mm角に細切し、腫瘍移植針によりマウスの腹部の両側の皮下に2個移植した(両側側腹部移植モデル)。腫瘍の大きさが100mm3の大きさに達した時点で群分けを行った。一方の腫瘍の端部と他方の腫瘍の端部は、マウスにより異なるものの、約10mm離間していた。
・第1医薬:生理食塩水に、1x106pfu/100μlの濃度となるようにC-REVを懸濁した。
・第2医薬:生理食塩水に、20μg/100μlの濃度となるように2’3’-cGAMP(invivogen社No.tlrl-nacga23)を溶解懸濁した。
Day0:腹部の片側の腫瘍(処理群)に第1医薬100μlを投与した。また、腹部のもう一方の腫瘍(非処理群)には、生理食塩水100μlを投与した。
Day3:腹部の片側の腫瘍(処理群)に第2医薬100μlを投与した。また、腹部のもう一方の腫瘍(非処理群)には、生理食塩水100μlを投与した。
Day6:腹部の片側の腫瘍(処理群)に第2医薬100μlを投与した。また、腹部のもう一方の腫瘍(非処理群)には、生理食塩水100μlを投与した。
腫瘍サイズは、腫瘍の長径×短径×短径×1/2、で計算した。
Day3およびDay6で、処理群への第2医薬の投与に代え、生理食塩水100μlを投与した以外は、実施例1と同様の手順で実験を行った。
Day0で、処理群への第1医薬の投与に代え第2医薬を投与し、Day3およびDay6で、処理群への第2医薬の投与に代え、生理食塩水100μlを投与した以外は、実施例1と同様の手順で実験を行った。
Day0で、処理群への第1医薬の投与に代え生理食塩水100μlを投与し、Day3およびDay6で、処理群への第2医薬の投与に代え、生理食塩水100μlを投与した以外は、実施例1と同様の手順で実験を行った。
(1)投与した腫瘍に対する抗腫瘍効果が向上するという効果(顕著な効果)、
(2)投与した腫瘍ではなく、投与した腫瘍と離間した腫瘍に対しても抗腫瘍効果を示すことから、検査で発見した腫瘍の周囲に存在はするが、検査では発見できない非常に小さな腫瘍があったとしても、当該腫瘍に対しても同時に治療ができるという効果(異質な効果)、
を奏する。したがって、第1医薬と第2医薬とがそれぞれ奏する効果と比較して、第1医薬と第2医薬を併用すると、夫々の医薬を用いた場合と比較して、顕著な効果および異質な効果を奏することができる。
第1医薬として、C-REVに代え、hrR3を用いた以外は、実施例1と同様の手順で実験を行った。
C-REVに代え、hrR3を用いた以外は、比較例1と同様の手順で実験を行った。
比較例3と同様の手順で実験を行った。
Claims (10)
- 悪性腫瘍を治療するための併用薬であって、該併用薬は、
1型単純ヘルペスウイルスに属する腫瘍溶解性ウイルスを有効成分として含む第1医薬と、
インターフェロン遺伝子刺激因子アゴニストを有効成分として含む第2医薬と、
を含む、併用薬。 - 前記腫瘍溶解性ウイルスが、人為的な改変が行われていない変異ウイルスである、
請求項1に記載の併用薬。 - 前記インターフェロン遺伝子刺激因子アゴニストが、2’3’-cyclic GMP-AMPである、
請求項1または2に記載の併用薬。 - 前記第1医薬と前記第2医薬が、悪性腫瘍に投与される、
請求項1~3のいずれか一項に記載の併用薬。 - 悪性腫瘍を治療するための医薬組成物であって、該医薬組成物は、
1型単純ヘルペスウイルスに属する腫瘍溶解性ウイルスと、
インターフェロン遺伝子刺激因子アゴニストと、
を有効成分として組み合わせてなり、
前記医薬組成物は、前記1型単純ヘルペスウイルスに属する腫瘍溶解性ウイルス、前記インターフェロン遺伝子刺激因子アゴニストの順に、患者に投与されるように用いられる、
医薬組成物。 - 前記腫瘍溶解性ウイルスが、人為的な改変が行われていない変異ウイルスである、
請求項5に記載の医薬組成物。 - 前記インターフェロン遺伝子刺激因子アゴニストが、2’3’-cyclic GMP-AMPである、
請求項5または6に記載の医薬組成物。 - 前記腫瘍溶解性ウイルス、および、前記インターフェロン遺伝子刺激因子アゴニストが、腫瘍に投与される、
請求項5~7のいずれか一項に記載の医薬組成物。 - インターフェロン遺伝子刺激因子アゴニストを有効成分として含む悪性腫瘍治療用医薬組成物との併用療法に使用するための、1型単純ヘルペスウイルスに属する腫瘍溶解性ウイルスを有効成分として含む悪性腫瘍治療用医薬組成物。
- 1型単純ヘルペスウイルスに属する腫瘍溶解性ウイルスを有効成分として含む悪性腫瘍治療用医薬組成物との併用療法に使用するための、インターフェロン遺伝子刺激因子アゴニストを有効成分として含む悪性腫瘍治療用医薬組成物。
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