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Copanlisib and Gemcitabine in Relapsed/Refractory PTCL

C

Chonnam National University

Status and phase

Completed
Phase 2
Phase 1

Conditions

Mature T-Cell and NK-Cell Neoplasm

Treatments

Drug: Copanlisib
Drug: Gemcitabine

Study type

Interventional

Funder types

Other
Industry

Identifiers

Details and patient eligibility

About

COPGEM (Copanlisib and Gemcitabine)chemotherapy regimen is proposed as the salvage treatment for relapsed or refractory peripheral T-cell or NK/T-cell lymphomas in this study protocol, which would be expected to be feasible and effective in this group of patients.

Copanlisib (BAY 80-6946), a highly selective and potent class-1 PI3K inhibitor with sub-nanomolar IC50s against PI3Kα and PI3Kδ, has demonstrated activity in relapsed/refractory, aggressive NHLs, suggesting an ORR of 50% for T-cell lymphomas.

Gemcitabine has demonstrated clinical antitumor activity against PTCLs including NK/T-cell lymphomas both as single-agent (ORR 30-50%) and in combination therapy, with limited extramedullary toxicities.

Considering the evidence of activity for both agents against PTCLs, the investigators propose that targeted therapy with copanlisib in combination with gemcitabine will exhibit early elimination of rapidly growing tumor cells and be a rational therapeutic modality for use in relapsed or refractory PTCLs, if the overlapping toxicities can be managed.

Enrollment

28 patients

Sex

All

Ages

19+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Histologically confirmed relapsed or refractory PTCL or NK/T-cell lymphomas, excluding primary cutaneous T-cell lymphoma, and Sezary syndrome based on WHO classification,

  • Age ≥ 19

  • ECOG performance status ≤ 2

  • at least one bi-dimensional measurable lesion

  • Laboratory values

    • Serum Cr < 1.5 mg/dL or CrCl > 50 mL/min
    • Transaminase (AST/ALT) < 2.5 x ULN (or < 5 x ULN in the presence of lymphoma involvement of the liver)
    • Bilirubin < 1.5 x UNL ( or < 3 x ULN in the presence of lymphoma involvement of the liver or Gilbert syndrome)
    • PT (INR) ≤ 1.5 x ULN and aPTT ≤ 1.5 x ULN
    • Lipase ≤ 1.5 x ULN
    • Hematologic functions: absolute neutrophil count (ANC) ≥ 1,500/µL and platelet count ≥ 75,000/µL, hemoglobin ≥ 8 g/dL
  • Left ventricular ejection fraction (LVEF) ≥ the lower limit of normal for the institution

  • Women of childbearing potential and men must agree to use adequate contraception when sexually active

  • Written informed consent

Exclusion criteria

  • B-cell NHL, or primary cutaneous T-cell lymphoma and Sezary syndrome

  • Patients who had previous history of lymphoma involvement of the CNS.

  • History of previous gemcitabine therapy

  • Type I or II diabetes mellitus with HbA1c > 8.5% at screening

  • History of chronic hepatitis B; subjects positive for HBsAg will be excluded from this study. However, subjects with HBcAb will be eligible if they are negative for HBV DNA quantification

  • History of chronic hepatitis C; subjects positive for HCV IgG will be eligible if they are negative for HCV-RNA quantification

  • Known history of human immunodeficiency virus (HIV) infection

  • History or concurrent condition of interstitial lung disease of any severity and/or severely impaired lung function

  • Any other malignancies within the past 3 years except curatively treated basal cell carcinoma of the skin, carcinoma in situ of the uterine cervix, or papillary carcinoma of the thyroid

  • Other serious illness or medical conditions

    • Congestive heart failure > NYHA class 2 (Appendix III)
    • Unstable angina or new-onset angina within the last 3 months; Myocardial infarction within 6 months prior to study entry
    • History of significant neurological or psychiatric disorders including dementia or seizure
    • Uncontrolled hypertension despite optimal medical management (per investigator's opinion)
    • Arterial or venous thrombotic or embolic events such as cerebrovascular accident (including transient ischemic attacks), deep vein thrombosis or pulmonary embolism within 6 months before start of study treatment
    • Non-healing wound, ulcer, or bone fracture
    • Active uncontrolled infection (viral, bacterial, or fungal infection)
    • Patients with evidence or history of bleeding diathesis. Any hemorrhage or bleeding event ≥ grade 3 within 4 weeks of start of study medication
    • Proteinuria estimated by urine protein/creatinine ratio > 3.5 on a random urine sample
    • Concurrent diagnosis of pheochromocytoma
  • Other previous or concurrent treatments

    • Ongoing immunosuppressive therapy
    • Radiotherapy or immune-/chemotherapy less than 4 weeks before start of treatment
    • Radioimmunotherapy or autologous transplant less than 3 months before start of treatment
    • Myeloid growth factors within 14 days prior to treatment start
    • Blood or platelet transfusion within 7 days prior to treatment start
    • Systemic continuous corticosteroid therapy at a daily dose higher than 15 mg prednisone or equivalent
    • History of having received an allogeneic bone marrow or organ transplant
    • Major surgical procedure or significant trauma injury within 28 days before start of study medication, open biopsy within 7 days before start of study treatment
    • Anti-arrhythmic therapy (beta-blockers or digoxin are permitted)
    • Use of CYP3A4 inhibitor or inducer
  • Pregnant or lactating women, women of childbearing potential not employing adequate contraception

  • Concomitant administration of any other experimental drugs under investigation

Trial design

Primary purpose

Treatment

Allocation

N/A

Interventional model

Single Group Assignment

Masking

None (Open label)

28 participants in 1 patient group

Copanlisib/gemcitabine
Experimental group
Treatment:
Drug: Copanlisib
Drug: Gemcitabine

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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