Status:

ACTIVE_NOT_RECRUITING

Phase II Study of FTD/TPI (Lonsurf) in Metastatic Breast Cancers With or Without Prior Exposure to Fluoropyrimidines (LONBRECA)

Lead Sponsor:

National University Hospital, Singapore

Conditions:

Breast Cancer

Eligibility:

All Genders

21-99 years

Phase:

PHASE1

PHASE2

Brief Summary

This is a single arm, open-label, lead in phase Ib dose confirmation, followed by phase II study with 2 parallel study cohorts.

Detailed Description

Phase Ib Patients will be treated with twice-daily dosing of FTD/TPI in a 3+3 dose escalation design Phase II Oral FTD/TPI at RP2D will be administered until disease progression, intolerable toxicity...

Eligibility Criteria

Inclusion

  • Age ≥ 21 years.
  • Histological or cytological diagnosis of breast carcinoma.
  • ECOG 0-2.
  • HER2 negative tumor (IHC 0 -1+ or IHC 2+ and confirmed on HER2 FISH to be negative based on histological report).
  • Patients with HER2 positive tumor may be enrolled if they have failed at least two lines of anti-HER2 based therapies in the metastatic setting, or are intolerant to trastuzumab
  • Any hormone receptor status.
  • Any number of lines of prior palliative endocrine therapy for patients with hormone receptor positive cancer.
  • Has measureable or evaluable disease based on RECIST 1.1 criteria
  • Estimated life expectancy of at least 12 weeks.
  • Has documented progressive disease from last line of therapy.
  • Has recovered from acute toxicities from prior anti-cancer therapies
  • Adequate organ function including the following:
  • oBone marrow: (I) Absolute neutrophil (segmented and bands) count (ANC) ≥1.5 x 109/L (ii) Platelets ≥100 x 109/L (ii) Hemoglobin ≥8 x 109/L oHepatic: (I)Bilirubin ≤ 1.5 x upper limit of normal (ULN), (ii)ALT or AST ≤ 2.5x ULN, (or ≤ 5 X with liver metastases) oRenal: (I) Creatinine ≤1.5x ULN
  • Signed informed consent from patient or legal representative.
  • Able to comply with study-related procedures.
  • Prior therapy (patients enrolled in phase Ib may be enrolled if they fulfil prior therapy criteria for either Cohort A or Cohort B)
  • Cohort A only: Has received at least 2 lines of palliative systemic therapy, including prior fluropyrimidines (capecitabine, TS-1 or 5-fluorouracil) in the palliative setting, or in the adjuvant setting; patients who have only prior exposure to adjuvant fluoropyrimidines must have relapsed within 12 months of completing adjuvant fluoropyrimidines
  • Cohort B only: Any number of prior lines of palliative chemotherapy and has not received fluoropyrimidines (capecitabine, TS-1 or 5-fluorouracil) in the palliative setting or in the adjuvant setting; patients who have prior exposure to adjuvant fluoropyrimidines are eligible if they have relapsed 12 months from completion of adjuvant fluoropyrimidines.

Exclusion

  • Treatment within the last 30 days with any investigational drug.
  • Concurrent administration of any other tumour therapy, including cytotoxic chemotherapy, hormonal therapy, and immunotherapy.
  • Major surgery within 28 days of study drug administration.
  • Active infection that in the opinion of the investigator would compromise the patient's ability to tolerate therapy.
  • Pregnancy.
  • Breast feeding.
  • Serious concomitant disorders that would compromise the safety of the patient or compromise the patient's ability to complete the study, at the discretion of the investigator.
  • Active bleeding disorder or bleeding site.
  • Non-healing wound.
  • Poorly controlled diabetes mellitus.
  • Second primary malignancy that is clinically detectable at the time of consideration for study enrollment.
  • Symptomatic brain metastasis.
  • History of significant neurological or mental disorder, including seizures or dementia.
  • Unable to comply with study procedures
  • Phase Ib lead-in can recruit patients who fulfil criteria for either Cohort A or Cohort B AND all other inclusion/exclusion criteria

Key Trial Info

Start Date :

August 14 2019

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

June 1 2026

Estimated Enrollment :

86 Patients enrolled

Trial Details

Trial ID

NCT04280536

Start Date

August 14 2019

End Date

June 1 2026

Last Update

September 23 2025

Active Locations (1)

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1

National University Hospital

Singapore, Singapore

Phase II Study of FTD/TPI (Lonsurf) in Metastatic Breast Cancers With or Without Prior Exposure to Fluoropyrimidines (LONBRECA) | DecenTrialz