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John W. Davis, MD, FACS

Present Title & Affiliation

Primary Appointment

Assistant Professor, Department of Urology, Division of Surgery, The University of Texas M. D. Anderson Cancer Center, Houston, TX

Education & Training

Degree-Granting Education

1994 University of Virginia School of Medicine, Charlottesville, VA, MD, Medicine
1990 Davidson College, Davidson, NC, BS, Biology

Postgraduate Training

7/2002-12/2003 Clinical Fellowship, Laparoscopic Urology, Charite Hospital, Berlin, Germany, Dr. Stefan Loening
7/2001-6/2002 Clinical Fellowship, Urologic Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, Dr. David Swanson
7/1999-6/2001 Clinical Fellowship, Postdoctoral Fellow, Microbiology, Eastern Virginia Medical School, Norfolk, VA, Dr. George Wright, Ph. D.
7/1996-6/1999 Clinical Residency, Urology, Eastern Virginia Medical School, Norfolk, VA, Dr. Paul Schellhammer
7/1994-6/1996 Clinical Internship, PGY-2 General Surgery, Eastern Virginia Medical School, Norfolk, VA, Dr. L. D. Britt

Board Certifications

2/2004 American Board of Urology

Selected Publications

Peer-Reviewed Original Research Articles
1. Mohan R, Beydoun H, Barnes-Ely ML, Lee L, Davis JW, Lance R, Schellhammer P. Patients' survival expectations before localized prostate cancer treatment by treatment status. J Am Board Fam Med 22(3):247-56, May-Jun, 5/2009. PMID: 19429730.
2. Davis JW. Screening for prostate cancer with serum prostate-specific antigen : what should we recommend while waiting for randomized clinical trial results? Cancer, 10/17/2008. PMID: 18932255.
3. Davis JW, Chang DW, Chevray P, Wang R, Shen Y, Wen S, Pettaway CA, Pisters LL, Swanson DA, Madsen LT, Huber N, Troncoso P, Babaian RJ, Wood CG. Randomized Phase II Trial Evaluation of Erectile Function after Attempted Unilateral Cavernous Nerve-Sparing Retropubic Radical Prostatectomy with versus without Unilateral Sural Nerve Grafting for Clinically Localized Prostate Cancer. Eur Urol, 9/2/2008. PMID: 18783876.
4. Davis JW, Nakanishi H, Kumar VS, Bhadkamkar VA, McCormack R, Fritsche HA, Handy B, Gornet T, Babaian RJ. Circulating tumor cells in peripheral blood samples from patients with increased serum prostate specific antigen: initial results in early prostate cancer. J Urol 179(6):2187-91; discussion 2191, 6/2008. PMID: 18423725.
5. Nakanishi H, Groskopf J, Fritsche HA, Bhadkamkar V, Blase A, Kumar SV, Davis JW, Troncoso P, Rittenhouse H, Babaian RJ. PCA3 Molecular Urine Assay Correlates With Prostate Cancer Tumor Volume: Implication in Selecting Candidates for Active Surveillance. J Urol 179(5):1658-9, 5/2008. PMID: 18353398.
6. Nakanishi H, Wang X, Ochiai A, Trpkov K, Yilmaz A, Donnelly JB, Davis JW, Troncoso P, Babaian RJ. A nomogram for predicting low-volume/low-grade prostate cancer: a tool in selecting patients for active surveillance. Cancer 110/11(11):2441-2447, Mar-Apr, 12/2007. PMID: 17932909.
7. Schellhammer PF, Diaz JI, Fabrizio MD, Davis JW, Given RW, Main B, Chaganty NR, Hussein R, McKenzie R. Computer modeling technology to assess extracapsular tissue coverage of whole mount sections after retropubic and laparoscopic radical prostatectomy. J Urol 178/4 Pt 1(4 Pt 1):1301-1305, Mar-Apr, 10/2007. e-Pub 8/2007. PMID: 17698100.
8. Ochiai A, Shukla A, Davis JW, Fritsche HA, Bhadkamkar V, Babaian RJ. Is there a role for serum human tissue kallikrein in detection of prostate cancer? Urology 70/3(3):519-522, Mar-Apr, 9/2007. PMID: 17905108.
9. Frank SJ, Pisters LL, Davis J, Lee AK. An assessment of quality of life following radical prostatectomy, high dose external beam radiation therapy, and brachytherapy iodine implantation as monotherapies for localized prostate cancer. J Urol 177:2200-2204, 2007.
10. Ball AJ, Gambill B, Fabrizio MD, Davis JW, Given RW, Lynch DF, Shaves M, Schellhammer PF. Prospective longitudinal comparative study of early health-related quality-of-life outcomes in patients undergoing surgical treatment for localized prostate cancer: a short-term evaluation of five approaches from a single institution. J Endourol 20/10(10):723-731, Mar-Apr, 10/2006. PMID: 17094746.
11. Holterman DA, Diaz JI, Blackmore PF, Davis JW, Schellhammer PF, Corica A, Semmes OJ, Vlahou A. Overexpression of alpha-defensin is associated with bladder cancer invasiveness. Urol Oncol 24(2):97-108, Mar-Apr, 3/2006. PMID: 16520271.
12. Davis JW, McCammon KA, Schellhammer PF, Jordan GH. Complications of Radical Prostatectomy. American Urological Association Update Series Lesson 16, 2006.
13. Ball AJ, Bordeau KP, Davis JW, Given RW, Lynch DF, Fabrizio MD. Modified running vesicourethral anastomosis after robotically assisted laparoscopic radical prostatectomy: use of solitary Lapra-Ty to secure posterior approximation. Urology 66(1):16-8, 7/2005. PMID: 15992902.
14. Soderdahl DW, Davis JW, Schellhammer PF, Given RW, Lynch DF, Shaves M, Burke BL, Fabrizio MD. Prospective longitudinal comparative study of health-related quality of life in patients undergoing invasive treatments for localized prostate cancer. J Endourol 19(3):318-26, 4/2005. PMID: 15865521.
15. Davis JW, Shaves ME, Schellhammer PF. Contemporary management of prostate cancer with lethal potential. Oncology (Williston Park) 18(7):811-20; discussion 820-4, 829-32, 6/2004. PMID: 15255168.
16. Schellhammer PF, Davis JW. An evaluation of bicalutamide in the treatment of prostate cancer. Clin Prostate Cancer 2(4):213-9, 3/2004. PMID: 15072604.
17. Davis JW, Chang SS, Schellhammer PF. Clinical Trials Methodology. AUA Update Series 23/18, 2004.
18. El-Feel A, Davis JW, Deger S, Roigas J, Wille AH, Schnorr D, Loening S, Hakiem AA, Tuerk IA. Laparoscopic radical prostatectomy--an analysis of factors affecting operating time. Urology 62(2):314-8, 8/2003. PMID: 12893342.
19. El-Feel A, Davis JW, Deger S, Roigas J, Wille AH, Schnorr D, Hakiem AA, Loening S, Tuerk IA. Positive margins after laparoscopic radical prostatectomy: a prospective study of 100 cases performed by 4 different surgeons. Eur Urol 43(6):622-6, 6/2003. PMID: 12767362.
20. Türk IA, Davis JW, Winkelmann B, Deger S, Richter F, Fabrizio MD, Schönberger B, Jordan GH, Loening SA. Laparoscopic dismembered pyeloplasty--the method of choice in the presence of an enlarged renal pelvis and crossing vessels. Eur Urol 42(3):268-75, 9/2002. PMID: 12234512.
21. Turk IA, Deger S, Morgan WR, Davis JW, Schellhammer PF, Loening SA. Sural nerve graft during laparoscopic radical prostatectomy. Initial experience. Urol Oncol 7(5):191-4, Sep-Oct, 9/2002. PMID: 12644215.
22. Adam BL, Qu Y, Davis JW, Ward MD, Clements MA, Cazares LH, Semmes OJ, Schellhammer PF, Yasui Y, Feng Z, Wright GL. Serum protein fingerprinting coupled with a pattern-matching algorithm distinguishes prostate cancer from benign prostate hyperplasia and healthy men. Cancer Res 62(13):3609-14, 7/1/2002. PMID: 12097261.
23. Davis JW, Pisters LL, Doviak MJ, Donat SM. Early nasogastric tube removal combined with metoclopramide after postchemotherapy retroperitoneal lymph node dissection for metastatic testicular nonseminomatous germ cell tumor. Urology 59(4):579-83, 4/2002. PMID: 11927318.
24. Türk I, Davis JW, Deger S, Winkelmann B, Schönberger B, Schellhammer PF, Loening SA. [Laparoscopic radical cystectomy with intracorporeal creation of a continent urinary diversion. Future or present?]. Urologe A 41(2):107-12, 3/2002. PMID: 11993087.
25. Turk IA, Deger S, Davis JW, Giesing M, Fabrizio MD, Schönberger B, Jordan GH, Loening SA. Laparoscopic live donor right nephrectomy: a new technique with preservation of vascular length. J Urol 167(2 Pt 1):630-3, 2/2002. PMID: 11792933.
26. Davis JW, Sheth SI, Doviak MJ, Schellhammer PF. Superficial bladder carcinoma treated with bacillus Calmette-Guerin: progression-free and disease specific survival with minimum 10-year followup. J Urol 167(2 Pt 1):494-500; discussion 501, 2/2002. PMID: 11792905.
27. Davis JW, Schellhammer PF. Glansectomy: an alternative surgical treatment for Buschke-Lowenstein tumours of the penis. BJU Int 88(6):647, 10/2001. PMID: 11678772.
28. Davis JW, Kuban DA, Lynch DF, Schellhammer PF. Quality of life after treatment for localized prostate cancer: differences based on treatment modality. J Urol 166(3):947-52, 9/2001. PMID: 11490252.
29. Xiao Z, Adam BL, Cazares LH, Clements MA, Davis JW, Schellhammer PF, Dalmasso EA, Wright GL. Quantitation of serum prostate-specific membrane antigen by a novel protein biochip immunoassay discriminates benign from malignant prostate disease. Cancer Res 61(16):6029-33, 8/15/2001. PMID: 11507047.
30. Davis JW, Moriarty RP, Schlossberg SM, Schellhammer PF. Bilateral testicular lymphoma treated with chemotherapy and radiation without orchiectomy: complete response relapsed at 52 months in the vitreous humor. Urology 57(3):555, 3/2001. PMID: 11248646.
31. Davis JW, Schellhammer PF. Prostatorectal fistula 14 years following brachytherapy for prostate cancer. J Urol 165(1):189, 1/2001. PMID: 11125400.
32. Davis JW, Kolm P, Wright GL, Kuban D, El-Mahdi A, Schellhammer PF. The durability of external beam radiation therapy for prostate cancer: can it be identified? J Urol 162(3 Pt 1):758-61, 9/1999. PMID: 10458360.
33. Davis JW, Schellhammer PF, Schlossberg SM. Conservative surgical therapy for penile and urethral carcinoma. Urology 53(2):386-92, 2/1999. PMID: 9933060.
34. Davis JW, Schellhammer PF. Collagen mass in prostatic bed after radical retropubic prostatectomy. Urology 50(1):121, 7/1997. PMID: 9218032.
35. Davis JW, Horstman WG, Schellhammer PF. Segmental testicular ischaemia mimicking testicular tumor. Br J Urol 80(1):187-8, 7/1997. PMID: 9240208.

Invited Articles
1. Schellhammer PF, Davis JW. An evaluation of bicalutamide in the treatment of prostate cancer. Clinical Prostate Cancer 2/4:213-219, 2004.
2. Davis JW, Fabrizio MD. What's new with stents and wires. Contemporary Urology 10/29:29-41, 2000.

Last updated: 9/2/2009