Status:

UNKNOWN

INVINCIBLE TRIAL: Intratumoral INT230-6 in Breast Cancer

Lead Sponsor:

Ottawa Hospital Research Institute

Collaborating Sponsors:

Intensity Therapeutics, Inc.

Ontario Institute for Cancer Research

Conditions:

Breast Cancer

Eligibility:

FEMALE

Phase:

PHASE2

Brief Summary

This is a phase II, randomized, multi-center, parallel design, window of opportunity trial evaluating intratumoral INT230-6 in up to 90 patients with early stage breast cancer. In a 2:1 randomization,...

Detailed Description

The study comprises 2 consecutive parts. The first part will be to test safety and feasibility of the dosing procedures. Results from Part I of the study will standardise the optimal dose and frequenc...

Eligibility Criteria

Inclusion

  • Female patients with newly diagnosed histologically confirmed primary invasive breast cancer currently not undergoing any treatment while awaiting surgery.
  • Patients with early, operable stage I to II breast cancer amendable for complete surgical resection as assessed by treating surgical oncologist.
  • Tumors must be clinically palpable by surgeon. Part I: ≥ 1.0 cm by palpation or on imaging. Part II: ≥ 1.5 cm by palpation or on imaging.
  • Histologic Bloom Richardson grade ≥2.
  • 4\. Invasive ductal or lobular carcinoma, invasive carcinoma Not Otherwise Specified (NOS).
  • 5\. ECOG PS 0-2 (Appendix A). 6. The participant (or legally acceptable representative if applicable) is able to provide written informed consent for the study.

Exclusion

  • Locally advanced or metastatic breast cancer.
  • Prior therapy with chemotherapy or planned neoadjuvant chemotherapy.
  • Pre-dominant histology other than invasive ductal or lobular carcinoma or invasive carcinoma NOS.
  • Patients with an active infection.
  • Absolute Neutrophil Count \< 1.5 x 10\^9/L.
  • Patients with pre-existing renal impairment, Creatinine clearance calculated by Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) equation of less than 50 mL/min/1.73m2.
  • Any serious known immediate or delayed hypersensitivity reaction(s) to vinblastine or cisplatin or idiosyncrasy to drugs chemically related to the investigational drugs.
  • Known allergic reaction to local anesthetic (Xylocaine, Marcaine).
  • Concurrent medical condition requiring the use of immunosuppressive medications, or systemic corticosteroids at doses of greater than 10 mg Prednisone-equivalent Topical steroids and other localized corticosteroids are permitted. Use of steroids as prophylactic treatment for subjects with contrast allergies to diagnostic imaging contrast dyes will be permitted.
  • Concurrent use of a prohibited medication or planned use of any forbidden medications during treatment with INT230-6, or within 4 weeks prior to study drug administration, which include chemotherapy, immunotherapy (tumor vaccine, cytokine, or growth factor given to control the cancer: systemic or intratumoral), other biologic therapy, investigational therapy, or hormonal therapy, cisplatin containing agents, and vinblastine containing agents while on treatment in this study. Other prohibited concomitant medications that will interact with vinblastine and cisplatin include mitomycin, phenytoin, CYP3A4 inhibitors (ketoconazole, voriconazole, clarithromycin, erythromycin), nephrotoxic drugs (aminoglycosides, amphotericin), or pure pyridoxine (pyridoxine contained in multivitamin is permitted). Use of other investigational drugs (drugs not marketed for any indication) within 4 weeks prior to study drug administration not permitted.
  • Pregnancy if patient is of childbearing age) or breast feeding.
  • Subjects with signs/symptoms suggestive of COVID-19 or known COVID-19 positive contacts in the past 14 days would be tested as per local Public Health and/or Institutional Guidelines. If patients are COVID-19 positive at the time of screening, they would be excluded from the trial.
  • Any underlying medical condition that, in the Principal Investigator's opinion, will make the administration of study drug hazardous or obscure the interpretation of toxicity determination or adverse events, or renders the patient ineligible to be on study.

Key Trial Info

Start Date :

March 25 2021

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

March 1 2023

Estimated Enrollment :

90 Patients enrolled

Trial Details

Trial ID

NCT04781725

Start Date

March 25 2021

End Date

March 1 2023

Last Update

November 17 2021

Active Locations (1)

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1

The Ottawa Hospital Research Institute and Cancer Center

Ottawa, Ontario, Canada, K1Y 4E9