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Brain Tumor Mechanisms Revealed with MR Spectroscopy

By MedImaging International staff writers
Posted on 14 Aug 2013
Image: Magnetic resonance spectroscopy imaging (MRSI) can show residual glioblastoma tumor after surgery. Researchers plan to use the technique to assess the effectiveness of drugs against glioblastoma (Photo courtesy of the Winship Cancer Institute of Emory University).
Image: Magnetic resonance spectroscopy imaging (MRSI) can show residual glioblastoma tumor after surgery. Researchers plan to use the technique to assess the effectiveness of drugs against glioblastoma (Photo courtesy of the Winship Cancer Institute of Emory University).
Brain tumor researchers have been using novel imaging technology to peek into the brain to determine whether a specific drug therapy may be effective at treating these particularly resistant brain tumors.

With this new technique, an investigator from Winship Cancer Institute of Emory University (Atlanta, GA, USA) and her team has been awarded a USD 4 million grant from the US National Cancer Institute (NCI; Bethesda, MD, USA).

Glioblastoma is the most aggressive form of primary brain tumors. Clinicians have tried for a long time to develop new therapies for this disease, but only gradual progress has been achieved. Conventional imaging modalities such as magnetic resonance imaging (MRI) and computed tomography (CT) scans do not effectively illustrate what is occurring within the brain and within the tumor of an individual being treated with radiation and chemotherapy. “Right now, I have a patient who is doing great and exercising a lot, but the recent MRI has demonstrated possible progression,” said Dr. William Read, a medical neurooncologist at Winship Cancer Institute of Emory University.

That is one reason why work headed by Winship investigator Dr. Hyunsuk Shim and her colleagues, neurosurgeon Dr. Jeffrey Olson, and radiation oncologist Dr. Hui-Kuo Shu, recently attracted a five-year grant from the NCI. “This is huge,” noted Dr. Olson. “It lets us see something we otherwise couldn’t see, something that can help us make best decisions for our patients. Glioblastoma is just an awful disease, and anything that can lighten the burden is tremendously important. No one else is doing anything close to this.”

The U01 grant from the NCI also places Winship into an exclusive network of NCI-designated cancer centers that studies quantitative imaging methods to measure tumor response to therapies in clinical trial settings. The Quantitative Imaging Network, which now includes 16 cancer centers with the addition of Winship into its ranks, is awarded through a highly selective US National Institutes of Health (NIH; Bethesda, MD, USA) peer review process.

The imaging technique that the Winship team is developing to quantitatively evaluate how glioblastoma patients are responding to therapies is magnetic resonance spectroscopic imaging (MRSI). Dissimilar to standard MRI, which only provides structural data on the tumor and surrounding brain, MRSI can look further into the tumor to identify alterations in its metabolism, which may indicate how fast a tumor is shrinking, growing, or dying.

Dr. Shu added, “We are just not making enough progress in this disease. I think many new therapies have been disappointing when tested on trials because there is no selection for patients that are more likely to benefit. The use of MRSI in this project is our attempt at finding a way to better tailor therapy for individual patients depending on their treatment response.”

Their study centers specifically on vorinostat, a histone deacetylase (HDAC) inhibitor, which has the ability to alter the structure of tumor DNA and change cancer metabolism. This drug is FDA-approved for use in cutaneous T-cell lymphomas but has not been shown, to date, to be effective at treating glioblastomas. Using MRSI, investigators will be able to gauge the levels of eight different, potentially significant metabolites within the tumor and surrounding brain, which they believe, in turn, will let them know whether vorinostat is working.

Whereas MRSI is not really new, the technology used on this study represents the latest development in the field and will allow clinically useful whole brain scanning at resolutions that are not achievable by commercially available systems. Furthermore, their research will utilize Velocity AI, an imaging archival and registration system that was developed by Drs. Tim Fox and Ian Crocker of Emory’s department of radiation oncology, co-investigators on this study. This Emory-developed system will provide quantitative assessment of MRSI in the context of standard MRIs that will also be gathered as part of the standard follow-up for these glioblastoma patients.

“While we are testing whether MRSI can predict response to vorinostat, our hope is that this technique could be used to assess response to other drugs besides vorinistat,” Dr. Shim said. “It is better to figure out as early as possible which patients a given drug is working for.”

Having the capability to utilize more sophisticated imaging technologies is important, however, this will not make a significant difference in patient care unless these techniques can be readily transferred across institutions. Therefore, another important part of their study is to be able to demonstrate that MRSI can be reproducibly obtained across sites. The Emory team has therefore recruited researchers from Johns Hopkins University (Baltimore, MD, USA) to participate in this study. Through this partnership, they hope to demonstrate that this imaging technology can be effectively circulated for use at other sites.

Related Links:

Winship Cancer Institute of Emory University
Quantitative Imaging Network
Johns Hopkins University


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82 (28.133392333984): SELECT show_live FROM jos_com_show_setting LIMIT 1
83 (38.862228393555): SELECT show_live FROM jos_com_show_setting LIMIT 1
84 (40.054321289062): SELECT show_live FROM jos_com_show_setting LIMIT 1
85 (30.040740966797): SELECT show_live FROM jos_com_show_setting LIMIT 1
86 (27.894973754883): SELECT show_live FROM jos_com_show_setting LIMIT 1
87 (86.069107055664): SELECT fid FROM jos_deeppockets WHERE cat=10 AND id=294747727 AND (type='deeppockets_item' OR type='deeppockets_item_link') AND published='1' LIMIT 1
88 (41.961669921875): SELECT fid FROM jos_deeppockets_archive WHERE cat=10 AND id=294747727 AND (type='deeppockets_item' OR type='deeppockets_item_link') AND published='1' LIMIT 1
89 (36.954879760742): SELECT id,name,title FROM jos_deeppockets WHERE cat=10 AND TYPE='file_folder' AND published=1 AND id != 294743300 AND id != 294743301 AND id != 294743302 AND id != 294743303 AND id != 294743304 AND id != 294743305 AND id != 294743306 AND id != 294743307 AND id != 294743308 AND id != 294743309 AND id != 294743310 AND metakey != 'aacc' ORDER BY `ordering`
90 (60.081481933594): SELECT show_live FROM jos_com_show_setting LIMIT 1
91 (31.948089599609): SELECT show_live FROM jos_com_show_setting LIMIT 1
92 (32.901763916016): SELECT show_live FROM jos_com_show_setting LIMIT 1
93 (27.894973754883): SELECT show_live FROM jos_com_show_setting LIMIT 1
94 (35.04753112793): SELECT show_live FROM jos_com_show_setting LIMIT 1
95 (28.133392333984): SELECT show_live FROM jos_com_show_setting LIMIT 1
96 (27.894973754883): SELECT show_live FROM jos_com_show_setting LIMIT 1
97 (28.848648071289): SELECT show_live FROM jos_com_show_setting LIMIT 1
98 (30.040740966797): SELECT show_live FROM jos_com_show_setting LIMIT 1
99 (28.133392333984): SELECT show_live FROM jos_com_show_setting LIMIT 1
100 (26.941299438477): SELECT show_live FROM jos_com_show_setting LIMIT 1
101 (29.087066650391): SELECT show_live FROM jos_com_show_setting LIMIT 1
102 (30.994415283203): SELECT show_live FROM jos_com_show_setting LIMIT 1
103 (34.093856811523): SELECT show_live FROM jos_com_show_setting LIMIT 1
104 (69.141387939453): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294747727 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294747727 AND published='1' LIMIT 1
105 (56.028366088867): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294747727 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294747727 AND published='1' LIMIT 1
106 (60.081481933594): SELECT dp.*, ch.title as channel, exp.name as author_name, exp.specialization as author_specialization, exp.images as author_photo FROM jos_deeppockets as dp LEFT JOIN jos_experts as exp ON exp.id = dp.author LEFT JOIN jos_deeppockets as ch ON dp.fid = ch.id WHERE 1=1 AND dp.cat=10 AND dp.id=294747727 AND (dp.type='deeppockets_item' OR dp.type='deeppockets_item_link') AND dp.published='1' LIMIT 1
107 (59.127807617188): SELECT dp.*, ch.title as channel, exp.name as author_name, exp.specialization as author_specialization, exp.images as author_photo FROM jos_deeppockets_archive as dp LEFT JOIN jos_experts as exp ON exp.id = dp.author LEFT JOIN jos_deeppockets as ch ON dp.fid = ch.id WHERE 1=1 AND dp.cat=10 AND dp.id=294747727 AND (dp.type='deeppockets_item' OR dp.type='deeppockets_item_link') AND dp.published='1' LIMIT 1
108 (86.069107055664): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294747727 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294747727 AND published='1' LIMIT 1
109 (46.014785766602): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294747727 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294747727 AND published='1' LIMIT 1
110 (51.021575927734): SELECT dp.*, ch.title as channel, exp.name as author_name, exp.specialization as author_specialization, exp.images as author_photo FROM jos_deeppockets as dp LEFT JOIN jos_experts as exp ON exp.id = dp.author LEFT JOIN jos_deeppockets as ch ON dp.fid = ch.id WHERE 1=1 AND dp.id=294747727 AND (dp.type='deeppockets_item' OR dp.type='deeppockets_item_link') AND dp.published='1' LIMIT 1
111 (679.01611328125): SELECT dp.*, ch.title as channel, exp.name as author_name, exp.specialization as author_specialization, exp.images as author_photo FROM jos_deeppockets_archive as dp LEFT JOIN jos_experts as exp ON exp.id = dp.author LEFT JOIN jos_deeppockets as ch ON dp.fid = ch.id WHERE 1=1 AND dp.id=294747727 AND (dp.type='deeppockets_item' OR dp.type='deeppockets_item_link') AND dp.published='1' LIMIT 1
112 (674.00932312012): SELECT dp.name, dp.id, dp2.name as channel, ex.name as author_name, ex.specialization, ex.images FROM jos_deeppockets as dp LEFT JOIN jos_experts as ex ON ex.id = dp.author LEFT JOIN jos_deeppockets as dp2 ON dp2.id = dp.fid WHERE dp.author != 0 AND dp.cat = 10 AND dp.published = 1 AND ( (dp.fid = 294743300) OR (dp.fid = 294743301) OR (dp.fid = 294743302) OR (dp.fid = 294743303) OR (dp.fid = 294743304) OR (dp.fid = 294743305) OR (dp.fid = 294743306) OR (dp.fid = 294743307) OR (dp.fid = 294743308) OR (dp.fid = 294743309) OR (dp.fid = 294743310) ) ORDER BY RAND() LIMIT 1
113 (712.15629577637): SELECT dp.name, dp.id, dp2.name as channel, ex.name as author_name, ex.specialization, ex.images FROM jos_deeppockets as dp LEFT JOIN jos_experts as ex ON ex.id = dp.author LEFT JOIN jos_deeppockets as dp2 ON dp2.id = dp.fid WHERE dp.author != 0 AND dp.cat = 10 AND dp.published = 1 AND ( (dp.fid = 294743300) OR (dp.fid = 294743301) OR (dp.fid = 294743302) OR (dp.fid = 294743303) OR (dp.fid = 294743304) OR (dp.fid = 294743305) OR (dp.fid = 294743306) OR (dp.fid = 294743307) OR (dp.fid = 294743308) OR (dp.fid = 294743309) OR (dp.fid = 294743310) ) ORDER BY RAND() LIMIT 1
114 (225.06713867188): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294747727 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294747727 AND published='1' LIMIT 1
115 (376.93977355957): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294747727 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294747727 AND published='1' LIMIT 1
116 (329.97131347656): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294747727 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294747727 AND published='1' LIMIT 1
117 (196.93374633789): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294747727 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294747727 AND published='1' LIMIT 1
118 (220.06034851074): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294747727 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294747727 AND published='1' LIMIT 1
119 (233.88862609863): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294747727 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294747727 AND published='1' LIMIT 1
120 (225.06713867188): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294747727 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294747727 AND published='1' LIMIT 1
121 (128.98445129395): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294747727 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294747727 AND published='1' LIMIT 1
122 (365.01884460449): SELECT * FROM trending_articles WHERE `journal_id` = 10 AND `timestamp` <= NOW() + INTERVAL 7 DAY ORDER BY `order`
123 (!!!!! 41486.978530884): SELECT * FROM jos_deeppockets WHERE jos_deeppockets.cat = 10 AND jos_deeppockets.type = 'deeppockets_item' AND jos_deeppockets.published = 1 AND jos_deeppockets.created + INTERVAL 14 DAY >= NOW() ORDER BY jos_deeppockets.hits DESC LIMIT 7
124 (633.00132751465): SELECT fid FROM jos_deeppockets WHERE cat=10 AND id=294747727 AND type='deeppockets_item' AND published='1' union SELECT fid FROM jos_deeppockets_archive WHERE cat=10 AND id=294747727 AND type='deeppockets_item' AND published='1' LIMIT 1
125 (!!!!! 7825.1361846924): ( SELECT dp.id, dp.name, dp.title, dp.video, dp.video_source, dp.created FROM jos_deeppockets AS dp WHERE dp.video != '' AND dp.video_source != '' AND dp.cat = 10 AND dp.published = 1 AND dp.type != 'deeppockets_item_link' ORDER BY created DESC LIMIT 3 ) UNION ( SELECT dpa.id, dpa.name, dpa.title, dpa.video, dpa.video_source, dpa.created FROM jos_deeppockets_archive AS dpa WHERE dpa.video != '' AND dpa.video_source != '' AND dpa.cat = 10 AND dpa.published = 1 AND dpa.type != 'deeppockets_item_link' ORDER BY created DESC LIMIT 3 ) ORDER BY created DESC LIMIT 3
126 (70.095062255859): ( SELECT dp.id, dp.name, dp.title, dp.video, dp.video_source, dp.created FROM jos_deeppockets AS dp WHERE dp.video != '' AND dp.video_source != '' AND dp.cat = 10 AND dp.published = 1 AND dp.type != 'deeppockets_item_link' ORDER BY created DESC LIMIT 3 ) UNION ( SELECT dpa.id, dpa.name, dpa.title, dpa.video, dpa.video_source, dpa.created FROM jos_deeppockets_archive AS dpa WHERE dpa.video != '' AND dpa.video_source != '' AND dpa.cat = 10 AND dpa.published = 1 AND dpa.type != 'deeppockets_item_link' ORDER BY created DESC LIMIT 3 ) ORDER BY created DESC LIMIT 3
127 (38.14697265625): SELECT dp.id, dp.name, dp.title, dp.video, dp.video_source, dp.created FROM jos_deeppockets AS dp WHERE dp.id = 294803337 LIMIT 1
128 (30.994415283203): SELECT dp.id, dp.name, dp.title, dp.video, dp.video_source, dp.created FROM jos_deeppockets AS dp WHERE dp.id = 294803337 LIMIT 1
129 (57.93571472168): SELECT dp.id, dp.name, dp.title, dp.video, dp.video_source, dp.created FROM jos_deeppockets AS dp WHERE dp.id = 294803276 LIMIT 1
130 (29.802322387695): SELECT dp.id, dp.name, dp.title, dp.video, dp.video_source, dp.created FROM jos_deeppockets AS dp WHERE dp.id = 294803276 LIMIT 1
131 (426.05400085449): SELECT dp.id, dp.name, dp.title, dp.video, dp.video_source, dp.created FROM jos_deeppockets_archive AS dp WHERE dp.id = 294803276 LIMIT 1
132 (45.061111450195): SELECT dp.id, dp.name, dp.title, dp.video, dp.video_source, dp.created FROM jos_deeppockets_archive AS dp WHERE dp.id = 294803276 LIMIT 1
133 (36.954879760742): SELECT dp.id, dp.name, dp.title, dp.video, dp.video_source, dp.created FROM jos_deeppockets AS dp WHERE dp.id = 294802958 LIMIT 1
134 (27.894973754883): SELECT dp.id, dp.name, dp.title, dp.video, dp.video_source, dp.created FROM jos_deeppockets AS dp WHERE dp.id = 294802958 LIMIT 1
135 (447.03483581543): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294747727 AND (type='deeppockets_item' OR type='deeppockets_item_link') AND published='1' LIMIT 1
136 (332.11708068848): SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294747727 AND (type='deeppockets_item' OR type='deeppockets_item_link') AND published='1' LIMIT 1
137 (73.19450378418): SELECT name FROM jos_deeppockets WHERE id=212
138 (29.087066650391): SELECT name FROM jos_deeppockets WHERE id=212
139 (566.00570678711): SELECT *, DATE_FORMAT(publish_up,'%d %b %Y') AS date_publish_up, DATE_FORMAT(publish_down,'%d %b %Y') AS date_publish_down FROM jos_events WHERE state=1 AND publish_up > NOW() and extra_info REGEXP '((;)|(^))212((;)|($))' AND catid IN (0,110) ORDER BY publish_up ASC LIMIT 3
140 (564.0983581543): SELECT *, DATE_FORMAT(publish_up,'%d %b %Y') AS date_publish_up, DATE_FORMAT(publish_down,'%d %b %Y') AS date_publish_down FROM jos_events WHERE state=1 AND publish_up > NOW() and extra_info REGEXP '((;)|(^))212((;)|($))' AND catid IN (0,110) ORDER BY publish_up ASC LIMIT 3
141 (69.856643676758): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294747727 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294747727 AND published='1' LIMIT 1
142 (53.167343139648): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294747727 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294747727 AND published='1' LIMIT 1
143 (!!!!! 8109.0927124023): TRUNCATE TABLE jos_trademed_module
144 (92.029571533203): SELECT dp.*, ch.title as channel, exp.name as author_name, exp.specialization as author_specialization, exp.images as author_photo FROM jos_deeppockets as dp LEFT JOIN jos_experts as exp ON exp.id = dp.author LEFT JOIN jos_deeppockets as ch ON dp.fid = ch.id WHERE 1=1 AND dp.cat=10 AND dp.id=294747727 AND (dp.type='deeppockets_item' OR dp.type='deeppockets_item_link') AND dp.published='1' LIMIT 1
145 (58.889389038086): SELECT dp.*, ch.title as channel, exp.name as author_name, exp.specialization as author_specialization, exp.images as author_photo FROM jos_deeppockets_archive as dp LEFT JOIN jos_experts as exp ON exp.id = dp.author LEFT JOIN jos_deeppockets as ch ON dp.fid = ch.id WHERE 1=1 AND dp.cat=10 AND dp.id=294747727 AND (dp.type='deeppockets_item' OR dp.type='deeppockets_item_link') AND dp.published='1' LIMIT 1
146 (856.16111755371): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294747727 AND (type='deeppockets_item' OR type='deeppockets_item_link') AND published='1' LIMIT 1
147 (123.02398681641): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294747727 AND (type='deeppockets_item' OR type='deeppockets_item_link') AND published='1' LIMIT 1
148 (101.08947753906): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294747727 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294747727 AND published='1' LIMIT 1
149 (68.902969360352): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294747727 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294747727 AND published='1' LIMIT 1
150 (!!!!! 1526.1173248291): SELECT jos_item.* FROM jos_item INNER JOIN jos_number ON jos_item.numberID=jos_number.id WHERE 1=1 AND (jos_item.imgMini<>'') AND jos_item.type='L' AND jos_item.numberID= ( SELECT jos_number.id FROM jos_number WHERE jos_number.journalID IN (10) and jos_number.id in (select distinct jos_number.id from jos_number join jos_item on jos_item.numberid=jos_number.id where jos_item.type='P') ORDER BY (CONVERT(SUBSTRING(issue,1,2),SIGNED) + (CONVERT(SUBSTRING(issue,3,2),SIGNED)*100)) DESC LIMIT 0,1 ) ORDER BY RAND() DESC LIMIT 6
151 (82.969665527344): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294747727 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294747727 AND published='1' LIMIT 1
152 (67.949295043945): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294747727 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294747727 AND published='1' LIMIT 1
153 (34.809112548828): SELECT fid FROM jos_deeppockets WHERE cat=10 AND id=294747727 AND type='deeppockets_item' AND published='1' union SELECT fid FROM jos_deeppockets_archive WHERE cat=10 AND id=294747727 AND type='deeppockets_item' AND published='1' LIMIT 1
154 (29.087066650391): select distinct links.* from jos_textlinks links join jos_textlinks_placement placement on links.id=placement.link_id where journal_id=(10) and (channel_id=212 or channel_id is null)
155 (27.179718017578): select distinct links.* from jos_textlinks links join jos_textlinks_placement placement on links.id=placement.link_id where journal_id=(10) and (channel_id=212 or channel_id is null)
156 (42.915344238281): SELECT livesite FROM jos_dp_categories WHERE id=10 AND published='1' LIMIT 1
157 (144.95849609375): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294747727 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294747727 AND published='1' LIMIT 1
158 (63.896179199219): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294747727 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294747727 AND published='1' LIMIT 1
159 (40.054321289062): select jos_twitters.link from jos_twitters where cat=10
160 (30.994415283203): select jos_facebook.link from jos_facebook where cat=10
161 (33.140182495117): select jos_google_plus.link from jos_google_plus where cat=10
162 (38.862228393555): select jos_linkedin.link from jos_linkedin where cat=10
163 (377.89344787598): update jos_bannersmanager_banner set impmade=impmade+1 where id in(14615,14202,14203)
164 (!!!!! 1084.0892791748): insert into jos_banners_delta values (14615,'2025-06-25 08:03:18','216.73.216.120','view'),(14202,'2025-06-25 08:03:18','216.73.216.120','view'),(14203,'2025-06-25 08:03:18','216.73.216.120','view')