Last updated on June 2019

Study of TAS3681 in Metastatic Castration Resistant Prostate Cancer


Are you eligible to participate in this study?

You may be eligible for this study if you meet the following criteria:

  • Conditions: Metastatic Castration Resistant Prostate Cancer
  • Age: Between 18 - 100 Years
  • Gender: Male

Inclusion Criteria:

  1. Male > 18 years of age
  2. Histological or cytological evidence of metastatic castrate resistant prostate cancer with progression defined in PCWG3; Scher HI 2015 intolerance of standard chemotherapy
  3. ECOG performance status of < 1 on Day1 Cycle 1
  4. Ongoing androgen deprivation with serum testosterone < 50 ng/dl
  5. Ability to take medication orally
  6. Adequate organ function
  7. Willing to comply with scheduled visits and procedures

Exclusion Criteria:

  1. QTc > 450ms, history of Qtc prolongation or predisposition for QTc prolongation or family history of sudden cardiac death or QT prolongation
  2. History or presence of heart failure or left ventricular dysfunction with ejection fraction < 40% within the previous 6 months; if >6 months cardiac function within normal limits and free of cardiac-related symptoms
  3. History or presence of atrial fibrillation , atrial flutter or paroxysmal supraventricular tachycardia; the presence or history of ventricular arrhythmias including ventricular fibrillation and ventricular tachycardia
  4. Presence of cardiac pacemaker or implantable cardioverter-defibrillator
  5. History or presence of bradycardia or conduction abnormalities
  6. History or presence of cardia arrest or unexplained syncope
  7. Hypokalemia
  8. History of myocardial infarction or severe unstable angina
  9. Any medication administered within 4 weeks prior to 1st dose of TAS3681 that is known to affect QT interval or arrhythmogenic
  10. Serious illness or medical condition that could affect the safety or tolerability of study treatments
  11. Received prior treatment of TAS3681
  12. User of herbal products
  13. Any condition or reason that in the opinion of the investigator, interferes with the ability of the patient to participate in the trial.
  14. To be eligible to participate in the food effect assessment, patients must not have a history or presence of any clinically significant abnormality involving the gastrointestinal tract and an inability to fast for a minimum of 8 hours

Recruitment Status: Open


Brief Description Eligibility Contact Research Team


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