WO2014206353A1 - 肿瘤标志物 - Google Patents
肿瘤标志物 Download PDFInfo
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- WO2014206353A1 WO2014206353A1 PCT/CN2014/081034 CN2014081034W WO2014206353A1 WO 2014206353 A1 WO2014206353 A1 WO 2014206353A1 CN 2014081034 W CN2014081034 W CN 2014081034W WO 2014206353 A1 WO2014206353 A1 WO 2014206353A1
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- G01N33/57535—Immunoassay; Biospecific binding assay; Materials therefor for cancer of the large intestine, e.g. colon, rectum or anus
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- G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
- G01N33/575—Immunoassay; Biospecific binding assay; Materials therefor for cancer
- G01N33/5758—Immunoassay; Biospecific binding assay; Materials therefor for cancer involving compounds serving as markers for tumours, cancers or neoplasias, e.g. cellular determinants, receptors, heat shock/stress proteins, A-protein, oligosaccharides or metabolites
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- G01N33/577—Immunoassay; Biospecific binding assay; Materials therefor involving monoclonal antibodies binding reaction mechanisms characterised by the use of monoclonal antibodies
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- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/68—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving proteins, peptides or amino acids
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- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/86—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving blood coagulating time or factors, or their receptors
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- G01N2800/00—Detection or diagnosis of diseases
- G01N2800/52—Predicting or monitoring the response to treatment, e.g. for selection of therapy based on assay results in personalised medicine; Prognosis
Definitions
- the invention relates to diagnosis, condition monitoring and therapeutic evaluation of 16 kinds of tumors such as lung cancer, liver cancer, colorectal cancer and breast cancer. More specifically, the present invention relates to a method for monitoring tumors and performing disease monitoring and therapeutic evaluation by heat shock protein 90 (quantitative detection for diagnosis of lung cancer, liver cancer, colorectal cancer, breast cancer, etc.)
- Heat shock protein 90a is a rich intracellular chaperone protein. Recent studies have shown that Hsp90a can be specifically secreted outside the cell by cancer cells and is closely related to the occurrence and development of cancer. The research team has found that Hsp90a secreted extracellularly can be conveniently detected in peripheral blood, and its content is related to tumor burden and malignancy, but there is no data to guide the indicator. The clinical application of tumors. Therefore, how to apply secreted Hsp90a to the clinical practice of tumor is an urgent problem to be solved. Summary of the invention
- One aspect of the present invention provides a method of determining whether a subject has or is at risk of developing cancer, comprising detecting a concentration of Hsp90a in a blood sample of the subject, if the concentration reaches or exceeds a predetermined threshold, The subject is then determined to have or have a risk of developing cancer, wherein the threshold is selected from the range of 50 ng/ml to 120 ng/ml, for example, the threshold may be 50, 53, 56, 62, 63 , 64, 67, 72, 82, 85 or 117 ng/ml, and the values within the threshold ⁇ 15% are considered to have equivalent judgment meanings.
- the concentration determination result due to the limitations of the detection method, it is quite difficult to make the concentration determination result completely accurate. According to the usual practice in the art, the upper and lower deviations within 15% can be considered as reasonable errors. For example, when the threshold is selected to be 50 ng/ml, if the subject's measured value is 43 ng/ml, the subject may also be judged to have cancer or have a higher risk of developing cancer.
- the blood sample may be a plasma or serum sample.
- a plasma sample is preferred with a higher measurement accuracy.
- the threshold for Hsp90a can be 50, 53, 56, 62, 63, 64, 67, 72, 82, 85 or 117 ng/ml.
- a particularly preferred threshold for lung cancer The value is 67.47 ng/ml (can be rounded to 67 ng/ml), the corresponding specificity is 85 ⁇ 1 ⁇ 2, and the sensitivity is 64 ⁇ 1 ⁇ 2.
- a value within the above range of the threshold value ⁇ 15 ⁇ 1 ⁇ 2 can be regarded as an equivalent determination range.
- a preferred threshold for lung cancer is 82 ng/ml, i.e., a concentration of Hsp90a of 0-82 ng/ml is considered to be a normal range; in a preferred embodiment of the invention, A particularly preferred threshold for lung cancer is 53 ng/ml, i.e., a concentration of Hsp90a of 0-53 ng/ml is considered to be a normal range.
- values in the range of the above threshold value ⁇ 15 ⁇ 1 ⁇ 2 can be regarded as having equivalent judgment meanings.
- the blood sample is preferably a plasma sample.
- Another aspect of the present invention provides a method for condition monitoring and/or therapeutic evaluation of a cancer patient undergoing treatment or for evaluating a therapeutic effect of a candidate therapeutic drug, including detecting the test before and after the treatment.
- the concentration of Hsp90a in the blood sample of the person if the percentage of the increase in the concentration of Hsp90a relative to the pre-treatment Hsp90c concentration reaches or exceeds a predetermined threshold after treatment, the subject is determined to have poor progression and/or efficacy, or
- the candidate therapeutic agent is less effective, wherein the threshold is selected from the range of 10 ⁇ 1 ⁇ 2 to 50 ⁇ 1 ⁇ 2, for example, the threshold may be 34 ⁇ 1 ⁇ 2, and the threshold is 15. /. Values within the range are considered to have equivalent judgment meaning; preferably, the blood sample is a plasma sample.
- treatment when treating a lung cancer patient, multiple treatment cycles may be involved, such as a total of eight treatment cycles. If the entire treatment process is viewed as a whole, the concentration of Hsp90c can be measured before the start of the first treatment cycle and after the end of the eighth treatment cycle, and the effect of the entire treatment process can be judged accordingly. Alternatively, each treatment cycle can be considered a “treatment” (for example, for the purpose of obtaining a more accurate assessment). For example, the concentration of Hsp90c can be measured before and after each treatment cycle, and the effect of a single treatment cycle can be judged accordingly. Alternatively, a more accurate assessment can be made.
- each day can be regarded as a "treatment", and the concentration of Hsp90c is detected before the start of the treatment of the day and after the end of the treatment, thereby judging the day The therapeutic effect.
- concentration of Hsp90c is detected before the start of the treatment of the day and after the end of the treatment, thereby judging the day The therapeutic effect.
- Those skilled in the art can specify the time span of "treatment” according to different evaluation requirements.
- the invention also provides a method of determining whether a subject has cancer or is at risk of developing cancer, comprising jointly detecting the concentration of Hsp90a in the blood sample of the subject and the concentration of at least one other tumor marker, if the concentration of Hsp90a And the concentration of the at least one other tumor marker reaches or exceeds a predetermined threshold, determining that the subject has cancer or is at risk of developing cancer, wherein the threshold of Hsp90a is selected from 50 ng/ml to 120 ng Within the range of /ml, for example, the threshold may be 50, 53, 56, 62, 63, 64, 67, 72, 82, 85 or 117 ng/ml, and the values within the threshold ⁇ 15% are considered to have equivalent judgment meanings.
- the blood sample is a plasma sample
- the at least one other tumor marker is preferably selected from the group consisting of carcinoembryonic antigen (CEA), cytokeratin 19 fragment antigen 21-1 (CYFRA21-1), AFP, CA19-9, CA125 Group consisting of CA15-3, PSA and CA72-4.
- CEA carcinoembryonic antigen
- CYFRA21-1 cytokeratin 19 fragment antigen 21-1
- AFP AFP
- CA19-9 CA125 Group consisting of CA15-3, PSA and CA72-4.
- the concentration of Hsp90c in the method of the invention is preferably detected using EDTA-K2 as an anticoagulant.
- the types of cancer to which the method of the present invention is applicable include: lung cancer, liver cancer, colorectal cancer, breast cancer, gastric cancer, pancreatic cancer, ovarian cancer, lymphoma, esophageal cancer, melanoma, renal cancer, uterine cancer, nasopharyngeal carcinoma, osteosarcoma , bladder cancer and prostate cancer.
- the invention also provides a kit for determining whether a subject has cancer or has a risk of developing cancer, comprising: an optional human secretory Hsp90a, a human secretory Hsp90a monoclonal antibody, a detection reagent, and instructions, wherein The threshold value of the Hsp90a concentration in the blood sample of a healthy person is indicated in the specification, and if the concentration of Hsp90c in the blood sample of the subject reaches or exceeds the threshold, the subject is determined to have cancer or has a risk of developing cancer.
- the threshold is selected from the range of 50 ng/ml to 120 ng/ml, for example, the threshold may be 50, 53, 56, 62, 63, 64, 67, 72, 82, 85 or 117 ng/ml, and Values within the threshold ⁇ 15 ⁇ 1 ⁇ 2 are considered to have equivalent judgment meaning; preferably, the blood sample is a plasma sample.
- kits of the present invention may include human secretory Hsp90a or may not include human secretory Hsp90a.
- human secretory Hsp90a can be packaged separately and used in conjunction with the body portion of the kit.
- the human secretory type Hsp90a is included in the kit of the present invention for the purpose of convenient use, and is used as a standard at the time of detection. Particularly preferred is recombinant human secretory Hsp90a.
- a container for collecting a blood sample may be included in the kit, and the container contains EDTA-K2.
- the container for collecting a blood sample is a blood collection tube comprising EDTA-K2.
- the concentration of Hs P 90a is detected using EDTA-K2 as an anticoagulant.
- the cancer types applicable to the kit of the present invention include: lung cancer, liver cancer, colorectal cancer, breast cancer, gastric cancer, pancreatic cancer, ovarian cancer, lymphoma, esophageal cancer, melanoma, renal cancer, uterine cancer, nasopharyngeal cancer, flesh Tumor, bladder and prostate cancer.
- the method for quantitatively detecting Hsp90a in cancer-assisted diagnosis and therapeutic effect monitoring is applied to various cancers, and the threshold range of Hsp90a concentration in cancer diagnosis is found for lung cancer, liver cancer, colorectal cancer and breast. Cancer and the like are equally applicable, and specific quantitative parameters for the quantitative detection of the tumor marker Hsp90a for the diagnosis of lung cancer, liver cancer, colorectal cancer and breast cancer are provided.
- the corresponding ROC curve is drawn according to the data of different populations. Each ROC curve provides a series of thresholds and corresponding sensitivity and specificity, according to techniques well known in the art.
- the cut-off value of the patient relative to the healthy person is 52.79 ng/ml
- the sensitivity, specificity and coincidence rate are 93.7%, 85% and 94.5%, respectively, when the cut-off value is 62.20 ng.
- the sensitivity, specificity, and coincidence rate were 91.4%, 90%, and 92.2%, respectively; sensitivity, specificity, and coincidence rate when the patient's cut-off value relative to non-cancer liver-related disease was 63.66 ng/ml 90.7%, 90% and 90.3%, respectively.
- the cut-off value is 85.24 ng/ml
- the sensitivity, specificity and coincidence rate are 80.7%, 95% and 88.6%, respectively.
- the sensitivity, specificity, and coincidence rate were 89.9%, 85%, and 87 for patients with a cut-off value of 52.79 ng/ml for healthy and non-cancer colorectal-related diseases, respectively.
- % when the cut-off value is 62.20 ng/ml, the sensitivity, specificity, and coincidence rate are 83.4%, 90%, and 87%, respectively.
- the cut-off value of the patient relative to the healthy person is 52.66 ng/ml
- the sensitivity, specificity and coincidence rate are 65.6%, 85% and 73.85%, respectively, when the cut-off value is 61.92.
- sensitivity, specificity, and coincidence were 54.6%, 90%, and 69.68%, respectively.
- the sensitivity, specificity, and compliance of patients with a cut-off value of 63.41 ng/ml relative to non-cancer breast-related disease groups were The rates were 52.4%, 84.9% and 68.29%, respectively.
- the cut-off value was 72.21 ng/ml
- the sensitivity, specificity and coincidence rate were 41.9%, 90.1% and 65.41%, respectively.
- the selection of the cut-off value and the corresponding parameters such as sensitivity, specificity and coincidence rate may be different, but are included in the threshold defined by the present invention.
- One skilled in the art can select an appropriate preferred threshold from within the ROC curve or threshold range disclosed herein, based on actual usage requirements, such as requirements for a particular tumor species, sensitivity, specificity, and the like.
- the invention also verifies that the plasma Hsp90a content of patients with lung cancer, liver cancer, colorectal cancer and breast cancer is significantly lower than that before surgery, so the detection index can be used as a means for evaluating the effect of surgical treatment.
- the clinically benefited (CR+PR+SD) patients who received medical treatment were significantly lower after treatment than before treatment, indicating that the indicator can be used for the evaluation of the medical treatment of the above cancer.
- plasma Hsp90a is detected in various cancer patients such as gastric cancer, pancreatic cancer, ovarian cancer, lymphoma, esophageal cancer, melanoma, renal cancer, uterine cancer, nasopharyngeal cancer, osteosarcoma, bladder cancer, prostate cancer, and the like.
- the content was found to be significantly higher (statistically significant) compared with healthy people, and the average reference value of plasma Hsp90a content in the above different cancer patients was provided.
- the tumor marker Hsp90a can be used for gastric cancer, pancreatic cancer, ovarian cancer, lymphoma, esophageal cancer, melanoma, kidney cancer, uterine cancer, nasal Diagnosis of multiple cancers such as pharyngeal cancer, osteosarcoma, bladder cancer, and prostate cancer.
- Figure 1 shows the ROC curve for Hsp90a test results (based on all subjects who tested Hsp90a).
- Figure 2 shows the ROC curve of the Hsp90a test results AUC 95% CI (0.788, 0.829).
- Figure 3 is the ROC curve of the Hsp90a test results AUC 95% CI (0.811, 0.854).
- Figure 4 is the ROC curve of the Hsp90a test results AUC 95% CI (0.804, 0.850).
- Figure 5 is the ROC curve of the Hsp90a test results AUC 95% CI (0.731, 0.777).
- Figure 6 is a ROC curve for determining tumor enlargement based on the slope.
- Figure 7 is a plot of the ROC of the PD based on the percentage change.
- Fig. 8 is a graph showing the ROC curve of PD based on the change value.
- Figure 9 shows a comparison of the EDTA-K2 blood collection tube sample and the EDTA-K3 blood collection tube sample.
- Figure 10 is a ROC curve of a liver cancer patient versus a healthy person.
- Figure 11 is a ROC curve of a liver cancer patient versus a non-cancer liver related disease population.
- Figure 12 is a ROC curve of colorectal cancer patients versus healthy subjects and non-cancerous colorectal-related diseases.
- Figure 13 is a ROC curve of breast cancer patients versus healthy subjects.
- Figure 14 is a ROC curve of breast cancer patients versus non-cancerous breast-related disease populations.
- Figure 15 is a summary of the results of plasma Hsp90a levels in a variety of cancer patients.
- ROC Curve for Model indicates the R0C curve for the model
- rea under the Curve indicates the area under the curve
- Specificity indicates the specificity
- Sensitivity indicates the sensitivity.
- blood sample refers to a sample obtained from the blood of a subject.
- the blood sample is preferably a plasma or serum sample, or may be a sample diluted by plasma or serum. It will be understood by those skilled in the art that the concentration of Hsp90c may be slightly different when the test is performed separately from the plasma sample and serum sample of the subject due to differences in composition. Plasma samples are preferred in the present invention for the purpose of facilitating quantification and comparison.
- Specificity refers to the proportion of cases diagnosed as “non-cancer” that are negative by the kit.
- sensitivity refers to the proportion of cases diagnosed as “cancer” by pathology and tested positive by the kit.
- “Accuracy” refers to the ratio of the sum of true positive samples to true negative samples to the total sample size, reflecting the extent to which the kit's test results are consistent with the subject's actual condition of cancer.
- cut-off value means the criteria used to determine the test result, ie the critical value, which is higher than cut-off. Values are considered positive and below the cut-off value are considered negative.
- the term "clinical benefit” refers to a condition in which a condition is stabilized or alleviated by a treatment in which CR, PR, and SD have exactly the same meaning as the corresponding term in the solid tumor efficacy evaluation standard (RECIST standard), ie, CR. (Complete response) Complete tumor remission, partial (PRI) partial tumor remission, and stable (SD) disease.
- RECIST standard solid tumor efficacy evaluation standard
- CR. Complete response
- PRI partial tumor remission
- SD stable disease.
- the three indicators CR, PR, and SD are defined as clinically beneficial populations, and the opposite is PD (Progressive disease).
- non-cancer-related disease refers to a patient diagnosed as having no cancer but having a benign-related disease by pathological diagnosis, such as a patient who is diagnosed as not having lung cancer but suffering from a benign lung-related disease such as pneumonia or tuberculosis in a lung cancer test.
- a benign lung-related disease such as pneumonia or tuberculosis in a lung cancer test.
- the liver cancer test it is diagnosed as a patient who is not a liver cancer but has a benign liver-related disease such as hepatitis and cirrhosis.
- colorectal cancer test it is diagnosed as a colorectal cancer but has inflammation, colorectal polyps and other colorectal benign correlations.
- Patients with disease, in the breast cancer test are diagnosed as patients with lung- or breast cancer but with benign breast-related diseases such as mastitis and breast hyperplasia.
- CA19-9 carbohydrate antigen CA19-9
- CA15-3 cancer antigen CA15-3
- CA72-4 sugar chain antigen CA72-4
- Hsp90a heat shock protein Hsp90a
- the clinical use range and clinical performance of the Hsp90c quantitative test kit were evaluated by the following three aspects.
- the range of subjects selected was hospitalized and outpatients.
- the number of selected subjects is not less than 1100 plasma samples and not less than 150 dynamically monitored plasma samples, and the proportion of high-value samples and low-value samples is selected to meet statistical requirements.
- Control group A group confirmed to be non-lung cancer by clinical biochemistry, imaging or pathology.
- the control group should include samples of healthy individuals who have no apparent disease symptoms, samples that are free of lung cancer but have other lung lesions (eg, tuberculosis, pneumonia), benign lung tumors, and other malignant tumors.
- Patients with pulmonary lesions Patients diagnosed with lung disease by clinical biochemistry, imaging, and pathology, and the lesion is not cancer.
- Plasma sample The collection time point is:
- Heat shock protein 90 quantitative assay kit (ELISA)
- CEA carcinoembryonic antigen
- CYFRA21-1 cytokeratin 19 fragment antigen 21-1
- the area under the ROC curve for Hsp90a diagnosis of lung cancer was 0.8149.
- the best cut-off value was determined to be >56.33 ng/ml by the maximum youden index, the corresponding sensitivity was 72.18%, and the 95% confidence interval was (69.46%, 74.90%). The degree was 78.7%, and the 95% confidence interval was (76.10%, 81.30%).
- the sensitivity and other diagnostic performance indicators for specificity of 80%, 85%, 90%, and 95% are also described separately, as shown in Figure 1 and Table 8.1.1.1.2.2-8.1.1.1.2.3.
- Hsp90a for lung adenocarcinoma, lung squamous cell carcinoma and small cell lung cancer was similar to that of lung cancer.
- Hsp90c Hsp90c
- CEA CEA cut-off value
- Hsp90a and CYFRA21-1 test results were not missing were evaluated.
- the cut-off value of Hsp90a is >56.33, and the cut-off value of CYFRA21-1 is >5. If any one is positive, it is judged to be positive for joint diagnosis evaluation, and the diagnostic sensitivity is further improved.
- a total of 284 effective statistical units were obtained in the segmental evaluation, including 69 cases of tumor shrinkage group, 161 cases of tumor invariant group, and 54 cases of tumor enlargement group.
- the median value of Hsp90c detection value relative to baseline change in the second cycle of treatment was -48.64ng/ml, -8.51 ng/mK 74.66 ng/ml, the difference between the three groups was statistically significant (P ⁇ 0.0001). There was statistical significance before and after treatment in the group. The numbers are -41.09%, -9.46%, 65.26%, respectively.
- the Hsp90a detection value for tumor size increase is 0.7719 under the R0C curve.
- the best cut-off point is determined by the Youden index to be >34.17% relative to the baseline, the corresponding sensitivity is 70.37%, and the 95% confidence interval is (58.19%, 82.55). % ), specificity is 80%, 95% confidence interval is (74.83%, 85.17%), see Table 8.3.2.3.2.
- a total of 275 effective cases were obtained by case evaluation, including 95 cases in the PR group, 118 cases in the SD group, and 62 cases in the PD group.
- the median value of the Hsp90c test value relative to the baseline change in the three groups was -90.98 ng/mK -32.91, respectively. Ng/ml, 80.32 ng/ml, the difference between the three groups was statistically significant (P ⁇ 0.0001), and there was statistical significance before and after treatment.
- the median percentage change was -48.16%. -22.23%, 71.40%.
- the area under the PD R0C curve for the detection of Hsp90a was 0.8406.
- the best cut-off point was determined by the Youden index to be >34.17% relative to the baseline, the corresponding sensitivity was 72.58%, and the 95% confidence interval was (61.48%, 83.68%).
- the specificity was 85.45%, and the 95% confidence interval was (80.71%, 90.18%). See Table 8.3.3.2.2 for details.
- Table 8.1.1.1 Enrolled subjects and analytical data sets Results of the project All subjects 2036 [100.00%) Eliminated cases 0 [0.00%] Effective cases 2036 [100.00%) Lung cancer patients 1046 [ 51.38%] Other malignant tumors 37 [ 1.82%) Non-cancerous lung lesions 344 [ 16.90%) benign lung tumors 17 [ 0.83%) healthy population 592 [ 29.08%) Table 8.1.1.2 Non-dynamic subject case distribution
- Adenocarcinoma 537 [ 52.54%) Squamous cell carcinoma 218 [ 21.33%] Small cell carcinoma 136 [ 13.31%) Large cell carcinoma 4 [ 0.39%) Untyped 25 [ 2.45%) Other 30 [ 2.94%)
- Figure 1 is a ROC curve of Hsp90a detection results (based on all subjects who detected Hsp90a).
- Table 8.1.1.1.2.2 Four-grid table determined from the cut-off value of the Hsp90a test result
- Figure 2 is the ROC curve AUC 95% CI [0.788, 0.829] of the Hsp90oc test results.
- Figure 3 is the ROC curve of Hsp90oc test results AUC 95% CI (; 0.811, 0.854).
- Figure 4 is the ROC curve of Hsp90a test results AUC 95% CI [0.804, 0.850].
- Figure 5 is the ROC curve of the Hsp90oc test AUC 95% CI (0.731, 0.777). Table 8.1 ⁇ 1.6.28 Diagnostic results based on cut-off values of 90 ⁇ test results
- Adenocarcinoma 348 [ 50.36%) Squamous cell carcinoma 131 [ 18.96%] Small cell carcinoma 116 [ 16.79%) Large cell carcinoma 1 [ 0.14%) Untyped 20 [ 2.89%) Others 16 [ 2.32%)
- the Hsp90a cut-off value is 56.33, and the CEA cut-off value is 5.
- Hsp90a has a cut-off value of 56.33 and a CEA cut-off value of 4.74.
- TP true positive
- TN true negative
- FP false positive
- FN false negative
- PPV positive predictive value
- NPV negative predictive Value
- LR+ positive likelihood ratio
- LR - negative likelihood ratio
- DOR diagnostic accuracy odds ratio
- Adenocarcinoma 317 [ 49.53%) Squamous cell carcinoma 125 [ 19.53%] Small cell carcinoma 110 [ 17.19%) Large cell carcinoma 1 [ 0.16%) Untyped 20 [ 3.13% ) Others 13 [ 2.03%)
- TP true positive
- TN true negative
- FP false positive
- FN false negative
- PPV positive predictive value
- NPV negative predictive Value
- LR+ positive likelihood ratio
- LR - negative likelihood ratio
- DOR diagnostic accuracy odds ratio
- Adenocarcinoma 101 ( 59.76%) Squamous cell carcinoma 46 ( 27.22%) Small cell carcinoma 11 ( 6.51%) Large cell carcinoma 1 ( 0.59% ) Untyped 2 ( 1.18% ) Other 7 ( 4.14%)
- NK 1 ( 0.59%) total 169 small cell carcinoma staging
- Figure 6 is a ROC curve for determining tumor enlargement based on the slope.
- TP true positive
- TN true negative
- FP false positive
- FN false negative
- PPV positive predictive value
- NPV negative predictive value
- LR+ positive likelihood ratio
- LR- negative likelihood ratio
- DOR diagnostic accuracy odds ratio
- the baseline of PR and SD is the pre-treatment test value
- the baseline of PD is the test value when the lesion size is the smallest.
- the ROC curve of the PD is determined based on the percentage change.
- Hsp90a kit EDTA-K2 blood collection tube (plasma tube), EDTA-K3 blood collection tube (plasma tube), serum tube
- Figure 9 is a comparison of EDTA-K3 blood collection samples with EDTA-K2 blood collection samples.
- the EDTA-K3 tube sample was 4.37% lower than the EDTA-K2 tube sample; in cancer patients, the EDTA-K3 tube sample was 26.95% lower than the EDTA-K2 tube sample. Therefore, if the sample is collected using the EDTA-K3 tube, the Hsp90c value of the positive specimen will be reduced.
- Hsp90a quantitative detection kit in the diagnosis of liver cancer was evaluated by non-dynamic monitoring, which is a method of comparing single test results with pathological diagnosis and clinical diagnosis results. Dynamic monitoring of patients, that is, by tracking the changes of plasma Hsp90a content in the treatment of liver cancer patients, the effectiveness of Hsp90a quantitative detection kit in the evaluation of liver cancer efficacy was evaluated.
- the study adopts the blind method, that is, when the information such as the group is unknown, the Hsp90a content is detected by the Hsp90a quantitative detection kit, and the results are compared and analyzed, and the test results and pathology, clinical diagnosis results, and patient efficacy are calculated.
- the statistical indicators of the degree of conformity or difference were evaluated, and the clinical application performance of the Hsp90a quantitative detection kit was evaluated based on these indicators.
- the samples are divided into non-dynamic monitoring samples and dynamic monitoring samples.
- the non-dynamic monitoring sample is the remaining plasma sample after the clinical routine examination;
- the dynamic monitoring sample is the plasma sample collected periodically by the enrolled patient or the remaining samples of the regular routine test.
- Hsp90a Quantitative Test Kit Collect venous blood, collect blood samples in EDTA-K2 anticoagulation tubes, and invert 8-10 times. The plasma was separated by centrifugation (800-1000 g, 10 minutes), and the plasma was dispensed into an EP tube (not less than 250 ⁇ each) and quickly placed at -18 ° C for cryopreservation.
- liver cancer group and non-hepatoma group.
- liver cancer group A sample diagnosed as a liver cancer patient by pathological diagnosis, including different types and different stages of liver cancer.
- Non-hepatocarcinoma group People who have not confirmed liver cancer by clinical biochemistry, imaging or pathology, This includes identifying healthy individuals with no obvious disease symptoms and samples identifying people without liver cancer but with other benign related diseases in the liver (eg hepatitis, cirrhosis, etc.).
- Healthy person definition There are no known benign or malignant diseases, normal appearance, no visible disease symptoms, and normal clinical biochemical test results.
- the collection time points of plasma samples are:
- Plasma samples are collected once before treatment begins. After the start of treatment, samples are collected once at the end of each treatment period, and blood samples are collected at least until the patient completes the first evaluation. .
- the mean ⁇ standard deviation is used for description; for the count data, the number of cases and the percentage are used to describe.
- the clinical sample Hsp90a concentration was determined by SPSS software statistical product, and the correlation between Hsp90a and disease and linear regression analysis (ROC curve) were obtained.
- Non-cancer liver related diseases group 151 Non-cancer liver related diseases group 151
- the area under the curve is 0.958 0.958
- the area under the curve is 0.958 0.958
- the effectiveness of the Hsp90a quantitative test kit in the diagnosis of colorectal cancer was evaluated by comparison with pathological diagnosis and clinical diagnosis.
- the effectiveness of Hsp90a quantitative detection kit in evaluating the efficacy of colorectal cancer was evaluated by tracking changes in plasma Hsp90a content during treatment.
- the area under the curve is 0.936 0.936
- the effectiveness of the Hsp90a quantitative test kit in the diagnosis of breast cancer was evaluated by comparison with pathological diagnosis and clinical diagnosis.
- the effectiveness of Hsp90a quantitative detection kit in the evaluation of breast cancer efficacy was evaluated by tracking changes in plasma Hsp90a content during treatment.
- Example 5 the overall design of the trial program: The same as the case of Example 5, the indications changed to breast cancer, non-cancerous breast related diseases including mastitis, breast hyperplasia and so on.
- the effectiveness of the Hsp90a quantitative test kit in the diagnosis of various cancers was evaluated by comparison with pathological diagnosis and clinical diagnosis results.
- the results showed that compared with healthy people, gastric cancer, pancreatic cancer, ovarian cancer, lymphoma, esophageal cancer, melanoma, kidney cancer, uterine cancer, nasopharyngeal cancer, osteosarcoma, bladder cancer, prostate cancer and other cancer patients
- the Hsp90a content was significantly increased (see Figure 15), and the results were statistically significant. According to statistics, the average values of each tumor are shown in Table 12.1:
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| CN112763714B (zh) * | 2020-12-31 | 2022-07-01 | 徐州市中心医院 | 一种用于肝癌诊断的生物标志物及其检测方法 |
| CN117388494A (zh) * | 2023-10-08 | 2024-01-12 | 烟台普罗吉生物科技发展有限公司 | 一种肿瘤标志物在肿瘤诊断及肿瘤治疗监测产品中的应用 |
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| WO2008070472A2 (en) * | 2006-11-27 | 2008-06-12 | University Of Maryland, Baltimore | Use of plasma hsp90 related to malignancy |
| CN101514989A (zh) * | 2008-12-19 | 2009-08-26 | 中山大学 | 血清hsp27在制备原发性肝细胞癌诊断试剂盒中的应用 |
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| CN1811387A (zh) * | 2006-01-25 | 2006-08-02 | 潘世扬 | 人血浆dna定量分析方法 |
| WO2009006439A1 (en) * | 2007-06-29 | 2009-01-08 | Correlogic Systems, Inc. | Predictive markers for ovarian cancer |
| KR20090055157A (ko) * | 2007-11-28 | 2009-06-02 | 충남대학교병원 | Pdk1의 티로신9 인산화 측정에 의한 암 진단 방법 |
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| AU2011223789A1 (en) * | 2010-03-01 | 2012-09-20 | Caris Life Sciences Switzerland Holdings Gmbh | Biomarkers for theranostics |
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| AU2012298794A1 (en) * | 2011-08-23 | 2013-04-04 | Infinity Pharmaceuticals, Inc. | Biomarkers predictive of therapeutic responsiveness to HSP90 inhibitors and uses thereof |
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| WO2008070472A2 (en) * | 2006-11-27 | 2008-06-12 | University Of Maryland, Baltimore | Use of plasma hsp90 related to malignancy |
| CN101514989A (zh) * | 2008-12-19 | 2009-08-26 | 中山大学 | 血清hsp27在制备原发性肝细胞癌诊断试剂盒中的应用 |
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