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Paul Fanta

Title(s)Clinical Professor, Medicine
SchoolHealth Sciences
Phone858-822-7973
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    Research Interests
    The diagnosis and management of gastrointestinal cancers has dramatically changed in the past several years. By incorporating biotechnology, bioinformatics, molecular biomarker analyses, pharmocogenomic data, in the setting of prospective clinical trials, we may better identify patients who will benefit from chemotherapy, avoid toxicities from treatment, and develop a predictive therapeutic strategy unique to a patient’s disease. Enrollment of patients with cancers of the colon, rectum, anus, stomach, esophagus, GI stromal tumors, hepatocellular carcinoma, pancreas, gall-bladder, and cholangiocarcinoma into our clinical trials is a priority.

    Education & Training
    BS - Biology/Chemistry/Math, University of Arizona - 1983
    MS - Microbiology/Immunology, University of Arizona - 2001
    MD - University of Arizona - 2001
    Resident - Scripps-Green Hospital, La Jolla, CA - 2001-2004
    Fellowship - Hematology-Oncology, Scripps Clinic, La Jolla, CA - 2004-2007

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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help.
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    1. Choi IS, Kato S, Fanta PT, Leichman L, Okamura R, Raymond VM, Lanman RB, Lippman SM, Kurzrock R. Genomic profiling of blood-derived circulating tumor DNA from patients with colorectal cancer: Implications for response and resistance to targeted therapeutics. Mol Cancer Ther. 2019 Jul 18. PMID: 31320401.
      View in: PubMed
    2. Stuart E, Banerjee S, de la Torre J, Wang Y, Scherzer N, Burgoyne AM, Parry L, Fanta PT, Ramamoorthy S, Sicklick JK. Frequent rectal gastrointestinal stromal tumor recurrences in the imatinib era: Retrospective analysis of an International Patient Registry. J Surg Oncol. 2019 Jul 11. PMID: 31297829.
      View in: PubMed
    3. Ajani JA, D'Amico TA, Bentrem DJ, Chao J, Corvera C, Das P, Denlinger CS, Enzinger PC, Fanta P, Farjah F, Gerdes H, Gibson M, Glasgow RE, Hayman JA, Hochwald S, Hofstetter WL, Ilson DH, Jaroszewski D, Johung KL, Keswani RN, Kleinberg LR, Leong S, Ly QP, Matkowskyj KA, McNamara M, Mulcahy MF, Paluri RK, Park H, Perry KA, Pimiento J, Poultsides GA, Roses R, Strong VE, Wiesner G, Willett CG, Wright CD, McMillian NR, Pluchino LA. Esophageal and Esophagogastric Junction Cancers, Version 2.2019, NCCN Clinical Practice Guidelines in Oncology. J Natl Compr Canc Netw. 2019 Jul 01; 17(7):855-883. PMID: 31319389.
      View in: PubMed
    4. Sicklick JK, Kato S, Okamura R, Schwaederle M, Hahn ME, Williams CB, De P, Krie A, Piccioni DE, Miller VA, Ross JS, Benson A, Webster J, Stephens PJ, Lee JJ, Fanta PT, Lippman SM, Leyland-Jones B, Kurzrock R. Molecular profiling of cancer patients enables personalized combination therapy: the I-PREDICT study. Nat Med. 2019 05; 25(5):744-750. PMID: 31011206.
      View in: PubMed
    5. Kato S, Schwaederlé MC, Fanta PT, Okamura R, Leichman L, Lippman SM, Lanman RB, Raymond VM, Talasaz A, Kurzrock R. Genomic Assessment of Blood-Derived Circulating Tumor DNA in Patients With Colorectal Cancers: Correlation With Tissue Sequencing, Therapeutic Response, and Survival. JCO Precis Oncol. 2019; 3. PMID: 31032472.
      View in: PubMed
    6. Kato S, Okamura R, Mareboina M, Lee S, Goodman A, Patel SP, Fanta PT, Schwab RB, Vu P, Raymond VM, Lanman RB, Sicklick JK, Lippman SM, Kurzrock R. Revisiting Epidermal Growth Factor Receptor (EGFR) Amplification as a Target for Anti-EGFR Therapy: Analysis of Cell-Free Circulating Tumor DNA in Patients With Advanced Malignancies. JCO Precis Oncol. 2019; 3. PMID: 31058253.
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    7. Kato S, Okamura R, Baumgartner JM, Patel H, Leichman L, Kelly K, Sicklick JK, Fanta PT, Lippman SM, Kurzrock R. Analysis of Circulating Tumor DNA and Clinical Correlates in Patients with Esophageal, Gastroesophageal Junction, and Gastric Adenocarcinoma. Clin Cancer Res. 2018 Dec 15; 24(24):6248-6256. PMID: 30348637.
      View in: PubMed
    8. Shah MH, Goldner WS, Halfdanarson TR, Bergsland E, Berlin JD, Halperin D, Chan J, Kulke MH, Benson AB, Blaszkowsky LS, Eads J, Engstrom PF, Fanta P, Giordano T, He J, Heslin MJ, Kalemkerian GP, Kandeel F, Khan SA, Kidwai WZ, Kunz PL, Kuvshinoff BW, Lieu C, Pillarisetty VG, Saltz L, Sosa JA, Strosberg JR, Sussman CA, Trikalinos NA, Uboha NA, Whisenant J, Wong T, Yao JC, Burns JL, Ogba N, Zuccarino-Catania G. NCCN Guidelines Insights: Neuroendocrine and Adrenal Tumors, Version 2.2018. J Natl Compr Canc Netw. 2018 Jun; 16(6):693-702. PMID: 29891520.
      View in: PubMed
    9. Charo LM, Burgoyne AM, Fanta PT, Patel H, Chmielecki J, Sicklick JK, McHale MT. A Novel PRKAR1B-BRAF Fusion in Gastrointestinal Stromal Tumor Guides Adjuvant Treatment Decision-Making During Pregnancy. J Natl Compr Canc Netw. 2018 Mar; 16(3):238-242. PMID: 29523662.
      View in: PubMed
    10. Schwaederle M, Krishnamurthy N, Daniels GA, Piccioni DE, Kesari S, Fanta PT, Schwab RB, Patel SP, Parker BA, Kurzrock R. Telomerase reverse transcriptase promoter alterations across cancer types as detected by next-generation sequencing: A clinical and molecular analysis of 423 patients. Cancer. 2018 Mar 15; 124(6):1288-1296. PMID: 29211306.
      View in: PubMed
    11. Riviere P, Fanta PT, Ikeda S, Baumgartner J, Heestand GM, Kurzrock R. The Mutational Landscape of Gastrointestinal Malignancies as Reflected by Circulating Tumor DNA. Mol Cancer Ther. 2018 01; 17(1):297-305. PMID: 29133621.
      View in: PubMed
    12. Bieg-Bourne CC, Millis SZ, Piccioni DE, Fanta PT, Goldberg ME, Chmielecki J, Parker BA, Kurzrock R. Next-Generation Sequencing in the Clinical Setting Clarifies Patient Characteristics and Potential Actionability. Cancer Res. 2017 11 15; 77(22):6313-6320. PMID: 28939679.
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    13. Burgoyne AM, De Siena M, Alkhuziem M, Tang CM, Medina B, Fanta PT, Belinsky MG, von Mehren M, Thorson JA, Madlensky L, Bowler T, D'Angelo F, Stupack DG, Harismendy O, DeMatteo RP, Sicklick JK. Duodenal-Jejunal Flexure GI Stromal Tumor Frequently Heralds Somatic NF1 and Notch Pathway Mutations. JCO Precis Oncol. 2017; 2017. PMID: 29938249.
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    14. Schwaederle M, Chattopadhyay R, Kato S, Fanta PT, Banks KC, Choi IS, Piccioni DE, Ikeda S, Talasaz A, Lanman RB, Bazhenova L, Kurzrock R. Genomic Alterations in Circulating Tumor DNA from Diverse Cancer Patients Identified by Next-Generation Sequencing. Cancer Res. 2017 10 01; 77(19):5419-5427. PMID: 28807936.
      View in: PubMed
    15. Fero KE, Coe TM, Fanta PT, Tang CM, Murphy JD, Sicklick JK. Surgical Management of Adolescents and Young Adults With Gastrointestinal Stromal Tumors: A US Population-Based Analysis. JAMA Surg. 2017 05 01; 152(5):443-451. PMID: 28114506.
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    16. Alkhuziem M, Burgoyne AM, Fanta PT, Tang CM, Sicklick JK. The Call of "The Wild"-Type GIST: It's Time for Domestication. J Natl Compr Canc Netw. 2017 05; 15(5):551-554. PMID: 28476734.
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    17. Shi E, Chmielecki J, Tang CM, Wang K, Heinrich MC, Kang G, Corless CL, Hong D, Fero KE, Murphy JD, Fanta PT, Ali SM, De Siena M, Burgoyne AM, Movva S, Madlensky L, Heestand GM, Trent JC, Kurzrock R, Morosini D, Ross JS, Harismendy O, Sicklick JK. FGFR1 and NTRK3 actionable alterations in "Wild-Type" gastrointestinal stromal tumors. J Transl Med. 2016 12 14; 14(1):339. PMID: 27974047.
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    18. Ajani JA, D'Amico TA, Almhanna K, Bentrem DJ, Chao J, Das P, Denlinger CS, Fanta P, Farjah F, Fuchs CS, Gerdes H, Gibson M, Glasgow RE, Hayman JA, Hochwald S, Hofstetter WL, Ilson DH, Jaroszewski D, Johung KL, Keswani RN, Kleinberg LR, Korn WM, Leong S, Linn C, Lockhart AC, Ly QP, Mulcahy MF, Orringer MB, Perry KA, Poultsides GA, Scott WJ, Strong VE, Washington MK, Weksler B, Willett CG, Wright CD, Zelman D, McMillian N, Sundar H. Gastric Cancer, Version 3.2016, NCCN Clinical Practice Guidelines in Oncology. J Natl Compr Canc Netw. 2016 10; 14(10):1286-1312. PMID: 27697982.
      View in: PubMed
    19. Lopez NE, Weiss AC, Robles J, Fanta P, Ramamoorthy SL. A systematic review of clinically available gene expression profiling assays for stage II colorectal cancer: initial steps toward genetic staging. Am J Surg. 2016 Oct; 212(4):700-714. PMID: 27637150.
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    20. Sicklick JK, Fanta PT, Shimabukuro K, Kurzrock R. Genomics of gallbladder cancer: the case for biomarker-driven clinical trial design. Cancer Metastasis Rev. 2016 06; 35(2):263-75. PMID: 26857926; PMCID: PMC4912391 [Available on 06/01/17].
    21. Schwaederle M, Husain H, Fanta PT, Piccioni DE, Kesari S, Schwab RB, Patel SP, Harismendy O, Ikeda M, Parker BA, Kurzrock R. Use of Liquid Biopsies in Clinical Oncology: Pilot Experience in 168 Patients. Clin Cancer Res. 2016 Nov 15; 22(22):5497-5505. PMID: 27185373.
      View in: PubMed
    22. Coe TM, Fero KE, Fanta PT, Mallory RJ, Tang CM, Murphy JD, Sicklick JK. Population-Based Epidemiology and Mortality of Small Malignant Gastrointestinal Stromal Tumors in the USA. J Gastrointest Surg. 2016 06; 20(6):1132-40. PMID: 27025710; PMCID: PMC4880518 [Available on 06/01/17].
    23. Schwaederle M, Husain H, Fanta PT, Piccioni DE, Kesari S, Schwab RB, Banks KC, Lanman RB, Talasaz A, Parker BA, Kurzrock R. Detection rate of actionable mutations in diverse cancers using a biopsy-free (blood) circulating tumor cell DNA assay. Oncotarget. 2016 Mar 01; 7(9):9707-17. PMID: 26848768; PMCID: PMC4891078.
    24. Schwaederle M, Parker BA, Schwab RB, Daniels GA, Piccioni DE, Kesari S, Helsten TL, Bazhenova LA, Romero J, Fanta PT, Lippman SM, Kurzrock R. Precision Oncology: The UC San Diego Moores Cancer Center PREDICT Experience. Mol Cancer Ther. 2016 04; 15(4):743-52. PMID: 26873727.
      View in: PubMed
    25. O'Neil BH, Scott AJ, Ma WW, Cohen SJ, Leichman L, Aisner DL, Menter AR, Tejani MA, Cho JK, Granfortuna J, Coveler L, Olowokure OO, Baranda JC, Cusnir M, Phillip P, Boles J, Nazemzadeh R, Rarick M, Cohen DJ, Radford J, Fehrenbacher L, Bajaj R, Bathini V, Fanta P, Berlin J, McRee AJ, Maguire R, Wilhelm F, Maniar M, Jimeno A, Gomes CL, Messersmith WA. A phase II/III randomized study to compare the efficacy and safety of rigosertib plus gemcitabine versus gemcitabine alone in patients with previously untreated metastatic pancreatic cancer. Ann Oncol. 2015 Dec; 26(12):2505. PMID: 26489442.
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    26. Patel SP, Schwaederle M, Daniels GA, Fanta PT, Schwab RB, Shimabukuro KA, Kesari S, Piccioni DE, Bazhenova LA, Helsten TL, Lippman SM, Parker BA, Kurzrock R. Molecular inimitability amongst tumors: implications for precision cancer medicine in the age of personalized oncology. Oncotarget. 2015 Oct 20; 6(32):32602-9. PMID: 26418953; PMCID: PMC4741715.
    27. O'Neil BH, Scott AJ, Ma WW, Cohen SJ, Leichman L, Aisner DL, Menter AR, Tejani MA, Cho JK, Granfortuna J, Coveler AL, Olowokure OO, Baranda JC, Cusnir M, Phillip P, Boles J, Nazemzadeh R, Rarick M, Cohen DJ, Radford J, Fehrenbacher L, Bajaj R, Bathini V, Fanta P, Berlin J, McRee AJ, Maguire R, Wilhelm F, Maniar M, Jimeno A, Gomes CL, Messersmith WA. A phase II/III randomized study to compare the efficacy and safety of rigosertib plus gemcitabine versus gemcitabine alone in patients with previously untreated metastatic pancreatic cancer. Ann Oncol. 2015 09; 26(9):1923-9. PMID: 26091808.
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    28. Choueiri MB, Shen JP, Gross AM, Huang JK, Ideker T, Fanta P. ERCC1 and TS Expression as Prognostic and Predictive Biomarkers in Metastatic Colon Cancer. PLoS One. 2015; 10(6):e0126898. PMID: 26083491; PMCID: PMC4470586.
    29. Parish A, Schwaederle M, Daniels G, Piccioni D, Fanta P, Schwab R, Shimabukuro K, Parker BA, Helsten T, Kurzrock R. Fibroblast growth factor family aberrations in cancers: clinical and molecular characteristics. Cell Cycle. 2015; 14(13):2121-8. PMID: 25950492; PMCID: PMC4614941.
    30. Schwaederle M, Daniels GA, Piccioni DE, Fanta PT, Schwab RB, Shimabukuro KA, Parker BA, Kurzrock R. On the Road to Precision Cancer Medicine: Analysis of Genomic Biomarker Actionability in 439 Patients. Mol Cancer Ther. 2015 Jun; 14(6):1488-94. PMID: 25852059.
      View in: PubMed
    31. Schwaederlé M, Daniels GA, Piccioni DE, Fanta PT, Schwab RB, Shimabukuro KA, Parker BA, Kurzrock R. Cyclin alterations in diverse cancers: Outcome and co-amplification network. Oncotarget. 2015 Feb 20; 6(5):3033-42. PMID: 25596748; PMCID: PMC4413635.
    32. Ajani JA, D'Amico TA, Almhanna K, Bentrem DJ, Besh S, Chao J, Das P, Denlinger C, Fanta P, Fuchs CS, Gerdes H, Glasgow RE, Hayman JA, Hochwald S, Hofstetter WL, Ilson DH, Jaroszewski D, Jasperson K, Keswani RN, Kleinberg LR, Korn WM, Leong S, Lockhart AC, Mulcahy MF, Orringer MB, Posey JA, Poultsides GA, Sasson AR, Scott WJ, Strong VE, Varghese TK, Washington MK, Willett CG, Wright CD, Zelman D, McMillian N, Sundar H. Esophageal and esophagogastric junction cancers, version 1.2015. J Natl Compr Canc Netw. 2015 Feb; 13(2):194-227. PMID: 25691612.
      View in: PubMed
    33. Kato S, Schwaederle M, Daniels GA, Piccioni D, Kesari S, Bazhenova L, Shimabukuro K, Parker BA, Fanta P, Kurzrock R. Cyclin-dependent kinase pathway aberrations in diverse malignancies: clinical and molecular characteristics. Cell Cycle. 2015; 14(8):1252-9. PMID: 25695927; PMCID: PMC4614867.
    34. Kulke MH, Shah MH, Benson AB, Bergsland E, Berlin JD, Blaszkowsky LS, Emerson L, Engstrom PF, Fanta P, Giordano T, Goldner WS, Halfdanarson TR, Heslin MJ, Kandeel F, Kunz PL, Kuvshinoff BW, Lieu C, Moley JF, Munene G, Pillarisetty VG, Saltz L, Sosa JA, Strosberg JR, Vauthey JN, Wolfgang C, Yao JC, Burns J, Freedman-Cass D. Neuroendocrine tumors, version 1.2015. J Natl Compr Canc Netw. 2015 Jan; 13(1):78-108. PMID: 25583772.
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    35. Schwaederle M, Daniels GA, Piccioni DE, Kesari S, Fanta PT, Schwab RB, Shimabukuro KA, Parker BA, Kurzrock R. Next generation sequencing demonstrates association between tumor suppressor gene aberrations and poor outcome in patients with cancer. Cell Cycle. 2015; 14(11):1730-7. PMID: 25928476; PMCID: PMC4614790.
    36. Scott BJ, van Vugt VA, Rush T, Brown T, Chen CC, Carter BS, Schwab R, Fanta P, Helsten T, Bazhenova L, Parker B, Pingle S, Saria MG, Brown BD, Piccioni DE, Kesari S. Concurrent intrathecal methotrexate and liposomal cytarabine for leptomeningeal metastasis from solid tumors: a retrospective cohort study. J Neurooncol. 2014 Sep; 119(2):361-8. PMID: 24942463.
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    37. Schwaederle M, Parker BA, Schwab RB, Fanta PT, Boles SG, Daniels GA, Bazhenova LA, Subramanian R, Coutinho AC, Ojeda-Fournier H, Datnow B, Webster NJ, Lippman SM, Kurzrock R. Molecular tumor board: the University of California-San Diego Moores Cancer Center experience. Oncologist. 2014 Jun; 19(6):631-6. PMID: 24797821; PMCID: PMC4041669.
    38. Fanta PT, Sicklick JK, Betz BL, Peterson MR. In vivo imatinib sensitivity in a patient with GI stromal tumor bearing a PDGFRA deletion DIM842-844. J Clin Oncol. 2015 Mar 10; 33(8):e41-4. PMID: 24638008; PMCID: PMC4884274.
    39. Simpson DR, Martínez ME, Gupta S, Hattangadi-Gluth J, Mell LK, Heestand G, Fanta P, Ramamoorthy S, Le QT, Murphy JD. Racial disparity in consultation, treatment, and the impact on survival in metastatic colorectal cancer. J Natl Cancer Inst. 2013 Dec 04; 105(23):1814-20. PMID: 24231453; PMCID: PMC4383284.
    40. Mahta A, Kim RY, Fanta PT, Lawson JD, Kesari S. Leptomeningeal Metastasis from Appendiceal Adenocarcinoma: Case Report and Literature Review. J Gastrointest Cancer. 2012 Sep; 43 Suppl 1:108-10. PMID: 21826409.
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    41. Liang Y, Bydder M, Yashar CM, Rose BS, Cornell M, Hoh CK, Lawson JD, Einck J, Saenz C, Fanta P, Mundt AJ, Bydder GM, Mell LK. Prospective study of functional bone marrow-sparing intensity modulated radiation therapy with concurrent chemotherapy for pelvic malignancies. Int J Radiat Oncol Biol Phys. 2013 Feb 01; 85(2):406-14. PMID: 22687195.
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    42. Canepa M, Fanta PT, Weidner N, Peterson MR. Schistosomiasis and signet ring cell carcinoma of the rectum. Ann Diagn Pathol. 2012 Oct; 16(5):385-7. PMID: 21546296.
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    43. Lawson JD, Sicklick JK, Fanta PT. Gastric cancer. Curr Probl Cancer. 2011 May-Jun; 35(3):97-127. PMID: 21635986.
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    44. Fanta PT, Saven A. Hairy cell leukemia. Cancer Treat Res. 2008; 142:193-209. PMID: 18283787.
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    45. Taylor CW, Dorr RT, Fanta P, Hersh EM, Salmon SE. A phase I and pharmacodynamic evaluation of polyethylene glycol-conjugated L-asparaginase in patients with advanced solid tumors. Cancer Chemother Pharmacol. 2001; 47(1):83-8. PMID: 11221967.
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    46. Scott KM, Fanta P, Calaluce R, Dalkin B, Weinstein RS, Nagle RB. Diagnostic frozen prostate sextant biopsies: an approach for preserving protein and RNA for additional studies. Prostate. 2000 Sep 01; 44(4):296-302. PMID: 10951494.
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    47. Monk BJ, Alberts DS, Burger RA, Fanta PT, Hallum AV, Hatch KD, Salmon SE. In vitro phase II comparison of the cytotoxicity of a novel platinum analog, nedaplatin (254-S), with that of cisplatin and carboplatin against fresh, human cervical cancers. Gynecol Oncol. 1998 Nov; 71(2):308-12. PMID: 9826477.
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    48. Alberts DS, Fanta PT, Running KL, Adair LP, Garcia DJ, Liu-Stevens R, Salmon SE. In vitro phase II comparison of the cytotoxicity of a novel platinum analog, nedaplatin (254-S), with that of cisplatin and carboplatin against fresh, human ovarian cancers. Cancer Chemother Pharmacol. 1997; 39(6):493-7. PMID: 9118460.
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    49. Federico M, Alberts DS, Garcia DJ, Emerson J, Fanta P, Liu R, Salmon SE. In vitro drug testing of ovarian cancer using the human tumor colony-forming assay: comparison of in vitro response and clinical outcome. Gynecol Oncol. 1994 Dec; 55(3 Pt 2):S156-63. PMID: 7835801.
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    50. Taylor CW, Lui R, Fanta P, Salmon SE. Effects of suramin on in vitro growth of fresh human tumors. J Natl Cancer Inst. 1992 Apr 01; 84(7):489-94. PMID: 1545438.
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