Stanley Flax, MB BCh, FRCSC

Urology Clinic of Dr. Stanley Flax
1333 Sheppard Avenue East, Suite 222

North York, Ontario, Canada
M2J 1V1


Speciality: Urology


Research Interests: Benign Prostatic Hyperplasia (BPH) / Bladder Outlet Obstruction, Bladder Cancer, Bladder Disorders, Endourology, Enuresis, Erectile Dysfunction, Genitourinary Laser Surgery, Genitourinary Pain, Hydronophrosis, Impotence, Interstitial Cystitis/Painful Bladder Syndrome, Kidney Cancer, Overactive Bladder, Prostate Cancer, Prostate Disorders, Renal Calculi, Testicular Cancer, Urinary Incontinence, Vasectomy Reversals, Voiding Disorders


Dr. Stanley Flax is a board certified Urologist, who has been practicing urology in the North York area since 1987. He has been the Principal Investigator for over 26 clinical trials, and has been conducting clinical trials since 2001. Dr. Flax has conducted numerous Phase II-IV trials for many urologic conditions and diseases, including prostate cancer, erectile dysfunction, bladder cancer, benign prostatic hyperplasia, and overactive bladder.

Dr. Flax is a member of the Society of Urological Surgeons of Ontario, the Royal College of Physicians and Surgeons of Canada, the Canadian Urological Association and the Ontario Medical Association.

Dr. Flax’s current positions include Staff Urologist at the North York General Hospital, Co-Chair of the North York General Hospital’s OR Product Standardization & Evaluation Committee, and the Director of the Gale & Graham Wright Prostate Cancer Center.


Click to view Publications by Dr. Stanley Flax

Loblaw A, Barkin J, Buckley R, Chung H, Kell J, Singal R, Spodek J, Vesprini D, Flax S. Improving prostate cancer care collaboratively - a multidisciplinary, formal, consensus-based approach. Can J Urol 2017 Feb; 24(1): 8646-50. PMID: 28263130

Guy D, Ghanem G, Loblaw A, Buckley R, Persaud B, Cheung P, Chung H, Danjoux C, Morton G, Noakes J, Spevack L, Hajek D, Flax S. Diagnosis, referral, and primary treatment decisions in newly diagnosed prostate cancer patients in a multidisciplinary diagnostic assessment program. Can Urol Assoc J 2016 Mar-Apr; 10(3-4):120-5. PMID: 27217859 / doi: 10.5489/cuaj.3510

Nickel JC, Egerdie B, Davis E, Evans R, Mackenzie L, Shrewsbury SB, collaborative. A phase II study of the efficacy and safety of the novel oral SHIP1 activator AQX-1125 in subjects with moderate to severe interstitial cystitis/bladder pain syndrome. J Urol 2016 Mar 9. [Epub ahead of print]. PMID: 26968644 / doi: 10.1016/j.juro.2016.03.003

Sethukavalan P, Zhang L, Jethava V, Stevens C, Flax S, Buckley R, Bondy S, Loblaw A. Improved wait time intervals for prostate cancer patients in a multidisciplinary rapid diagnostic unit compared to a community-based referral pattern. Can Urol Assoc J 2013 Jul; 7(7-8): 244-50. PMID: 24032058

Andriole GL, Bostwick DG, Brawley OW, Gomella LG, Marberger M, Montorsi F, Pettaway CA, Tammela TL, Teloken C, Tindall DJ, Somerville MC, Wilson TH, Fowler IL, Rittmaster RS; REDUCE Study Group. Effect of dutasteride on the risk of prostate cancer. N Engl J Med 2010 Apr 1; 362(13): 1192-2012. PMID: 20357281

Smith MR, Egerdie B, Hernandez Toriz N, Feldman R, Tammela TL, Saad F, Heracek J, Szwedowski M, Ke C, Kupic A, Leder BZ, Goessi C; Denosumab HALT Prostate Cancer Study Group. Denosumab in men receiving androgen-deprivation therapy for prostate cancer. N Engl J Med 2009 Aug 20; 361(8): 745-55. PMID: 19671656

Nickel JC, Downey J, Clark J, Casey RW, Pommerville PJ, Barkin J, Steinhoff G, Brock G, Patrick AB, Flax S, Goldfarb B, Palmer BW, Zadra J.  Levofloxacin for chronic prostatitis/chronic pelvic pain syndrome in men: a randomized placebo-controlled multicenter trial.  Urology 2003 Oct; 62(4):614-617.  PMID: 14550427

Flax S.  TUNA or TURP.  The Silver Pages.  1999 Fall/Winter Edition.

Flax S.  A perspective on prostate cancer.  Ontario Medical Review.  1997 Nov; 64(10).

Flax S.  Radical prostatectomy care map.  Medical Post. 1997 Oct.

Flax S.  Gasless laparoscopy for the urologist.  Can J Urol 1997 Mar; 4(1):309-313.  PMID: 12735805

Flax S.  The gasless laparoscopic Burch bladder neck suspension: early experience.  J Urol 1996 Sep; 156(3):1105-1107.  PMID: 8709318

Flax S, McLorie G, Churchill BM, Gilday DL.  A comparative study of intravenous urograms and radionuclide renal scans in diagnosis of renal trauma.  Urology 1989 Jul; 34(1):62-64.  PMID: 2749960

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