JP6325177B2 - 腎癌薬物療法の効果判定のための血中バイオマーカー - Google Patents
腎癌薬物療法の効果判定のための血中バイオマーカー Download PDFInfo
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- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
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- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
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- G01N33/574—Immunoassay; Biospecific binding assay; Materials therefor for cancer
- G01N33/57407—Specifically defined cancers
- G01N33/57438—Specifically defined cancers of liver, pancreas or kidney
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Description
腎癌治療薬としてTKI(チロシンキナーゼ阻害剤)の投与を受けている進行性腎細胞癌患者19例について、投与開始時及び開始2週目に血液試料を採取し、血漿を分離し、血漿中のPARK7レベルを測定した。測定には市販のサンドイッチELISAキット(Cyclex社)を使用し、標識酵素HRP及び基質物質の反応による発色をルミノメータにより検出した。キットに添付のPARK7スタンダードを用いて標準試料を調製し、検量線を作成した。この検量線に当てはめて血漿試料中のPARK7濃度を算出した。算出したPARK7濃度の比較、あるいはルミノメータの検出値の比較により、血漿中PARK7レベルの変動を評価したところ、TKI投与開始時と比較して投与開始2週目に血漿中PARK7レベルが低下した症例は13例、上昇した症例は6例であった。これら低下症例群と上昇症例群について、無増悪生存期間を調べた。
mTOR阻害剤の投与を開始した腎癌4症例を対象に、治療中の血中PARK7濃度の変化を測定した。血中PARK7濃度の測定は上記1と同様に市販のELISAキットを使用し、血漿中のPARK7濃度として測定し、ルミノメータによる検出値を比較して血中PARK7レベルの変動を評価した。
Claims (6)
- 腎癌治療のための薬物療法を受けている腎癌患者から分離された血液試料中のPARK7レベルを測定することを含む、前記薬物療法の効果判定を補助する方法であって、PARK7レベルの上昇は、当該薬物療法が効果的ではないことの指標となる、方法。
- PARK7レベルの上昇は、前記血液試料中のPARK7レベルの測定値が、前記患者の少なくとも前回測定値よりも高いことを意味する、請求項1記載の方法。
- 前記血液試料が血漿試料又は血清試料である、請求項1又は2記載の方法。
- 腎癌薬物療法の効果判定血中バイオマーカーとしてのPARK7の使用であって、患者における血中PARK7レベルの上昇は、当該患者が受けている腎癌薬物療法が効果的ではないことを示す、使用。
- PARK7からなる、腎癌薬物療法の効果判定血中バイオマーカーであって、患者における当該バイオマーカーの血中レベルの上昇は、当該患者が受けている腎癌薬物療法が効果的ではないことを示す、バイオマーカー。
- 腎癌治療薬の候補物質の効果判定を補助する方法であって、腎癌を有する被検体から前記候補物質の投与前及び投与後に分離された血液試料中のPARK7レベルを測定することを含み、投与後の血液試料におけるPARK7レベルの低下は、当該候補物質が腎癌治療に有効である可能性があることの指標となり、ここで、前記PARK7レベルの低下は、投与後の血液試料におけるPARK7レベルが投与前の血液試料におけるPARK7レベルよりも低いことを意味する、方法。
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JP2015202614 | 2015-10-14 | ||
JP2015202614 | 2015-10-14 | ||
PCT/JP2016/080084 WO2017065127A1 (ja) | 2015-10-14 | 2016-10-11 | 腎癌薬物療法の効果判定のための血中バイオマーカー |
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JPWO2017065127A1 JPWO2017065127A1 (ja) | 2017-11-30 |
JP6325177B2 true JP6325177B2 (ja) | 2018-05-16 |
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US (1) | US11061034B2 (ja) |
EP (1) | EP3364188B1 (ja) |
JP (1) | JP6325177B2 (ja) |
WO (1) | WO2017065127A1 (ja) |
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CA2608988A1 (en) | 2005-06-03 | 2006-12-07 | Cambridge Enterprise Limited | Biomarkers for psychotic disorders |
EP1775590A1 (en) | 2005-10-11 | 2007-04-18 | Laboratorios S.A.L.V.A.T., S.A. | Non-invasive in vitro method to detect transitional cell carcinoma of the bladder |
WO2007112350A2 (en) | 2006-03-24 | 2007-10-04 | Expression Pathology | Method of assessing the metastatic status of a primary tumor |
WO2012164026A1 (en) | 2011-05-31 | 2012-12-06 | Metanomics Health Gmbh | Methods for diagnosing multiple sclerosis |
JP6392202B2 (ja) | 2012-03-13 | 2018-09-19 | ザ・ジョンズ・ホプキンス・ユニバーシティ | 脳損傷または神経変性のバイオマーカーとしてのシトルリン化脳および神経タンパク質 |
MX357392B (es) | 2012-04-02 | 2018-07-06 | Berg Llc | Ensayos basados en interrogatorios celulares y uso de los mismos. |
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US20180321246A1 (en) | 2018-11-08 |
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