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Copanlisib With Rituximab-Bendamustine in Patients With Relapsed-Refractory Diffuse Large B-cell Lymphoma

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ClinicalTrials.gov Identifier: NCT04433182
Recruitment Status : Not yet recruiting
First Posted : June 16, 2020
Last Update Posted : June 16, 2020
Sponsor:
Information provided by (Responsible Party):
Fondazione Italiana Linfomi ONLUS

Brief Summary:
This is a multicentric single arm phase II trial, to investigate the efficacy (in terms of PFS) of the combination regimen rituximab-bendamustine in association with copanlisib in patients affected by relapsed/refractory DLBCL, not eligible to HDC and ASCT or relapsed after intensified regimens.

Condition or disease Intervention/treatment Phase
Diffuse Large B-cell Lymphoma Drug: Copanlisib Phase 2

Detailed Description:
The primary objective of this study is to evaluate the efficacy, in terms of Progression Free Survival (12m-PFS) at 12 months, of a treatment with copanlisib in combination with a standard rituximab-bendamustine regimen in patients with relapsed-refractory DLBCL, who have received at least one, but no more than three lines of treatment, including rituximab-based immunochemotherapy, not eligible for high-dose chemotherapy and ASCT or T-cell CAR-T therapy, or relapsed after these treatments.

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Study Type : Interventional  (Clinical Trial)
Estimated Enrollment : 81 participants
Allocation: N/A
Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: Copanlisib in Combination With Rituximab-Bendamustine in Patients With Relapsed-Refractory Diffuse Large B-cell Lymphoma: a Multicentric Phase II Trial
Estimated Study Start Date : August 1, 2020
Estimated Primary Completion Date : February 1, 2023
Estimated Study Completion Date : August 1, 2024


Arm Intervention/treatment
Experimental: Single arm Copa-RB
Induction phase with Copanlisib, Rituximab and Bendamustina. Maintenance phase (for patients who reach at least SD after induction) with Copanlisib in monotherapy.
Drug: Copanlisib

Induction phase: 6 cycles of Copa-RB every 28 days according to the following schedule

  • Copanlisib (Copa): 60 mg/day i.v. on days 1,8,15
  • Rituximab (R): 375 mg/sqm i.v. day 1*
  • Bendamustine (B): 90 mg/sqm i.v. days 1-2*

note: during cycle 1 rituximab can be administered on day 2: in this case bendamustine will be administered on days 2-3; in the case of a frail patient or a patient with high tumor burden copanlisib could be administered on day 1, rituximab on day 2 and bendamustine on days 3-4, at physician discretion.

Maintenance phase: patients who reach at least SD after induction will receive a maintenance with copanlisib in monotherapy according to the following schedule:

• Copanlisib: 60 mg/day i.v. on days 1 and 15 in 28-day cycles for 1 year

Other Name: ALIQOPA




Primary Outcome Measures :
  1. Progression-free survival (PFS) [ Time Frame: 4 years ]
    Progression-Free Survival (PFS) will be defined as the time between the date of enrolment and the date of disease progression, relapse or death from any cause. Responding patients according to Response Criteria for NHL with PET and patients who are lost to follow-up will be censored at their last assessment date.


Secondary Outcome Measures :
  1. Overall Survival (OS) [ Time Frame: 4 years ]
    Time between the date of enrolment and the date of death from any cause. Patients who have not died at the time of the final analysis will be censored at the date of the last contact.

  2. Overall Response Rate (ORR) [ Time Frame: End of treament (EOT), 30 months ]
    ORR will be defined as the sum of CR + PR

  3. Complete Response Rate (CRR) [ Time Frame: End of induction (EOI), 18 months ]
    CRR will be defined as the proportion of patients achieving a CR

  4. Duration of response (DOR) [ Time Frame: 4 years ]
    DOR is measured from the date when criteria for response are met (CR or PR) until the date of progression or relapse. Patients without relapse or progression will be censored at their last assessment date.

  5. Conversion rate from SD/PR to PR/CR with maintenance [ Time Frame: End of treatment (after maintenance), 30 months ]
    Conversion rate from SD/PR to PR/CR with maintenance

  6. Evaluation of adverse events according to the current version of the CTCAE criteria [ Time Frame: 4 years ]
    Evaluation of adverse events according to the current version of the CTCAE criteria



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Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  1. Histologically confirmed diagnosis of DLBCL (de-novo DLBCL or DLBCL transformed by indolent lymphoma; high grade double hit lymphoma can be included); new biopsy at relapse time is recommended, but is not mandatory.
  2. Patients must have relapsed (recurrence after complete response or presented progression after partial response) or refractory after at least ≥ 1 (but < 4) prior lines of therapy, including rituximab-based immunochemotherapy.

    A previous regimen is defined as one of the following: at least 2 months of single-agent therapy; at least 2 consecutive cycles of polychemotherapy; autologous transplant; radioimmunotherapy.

  3. Patients must not be eligible to high-dose chemotherapy (HDC) and autologous stem cell transplantation (ASCT) or relapsed after that.
  4. Patients must not be eligible to CAR T-cell therapy or relapsed after that.
  5. Patients must have at least one bi-dimensionally measurable lesion (that has not been previously irradiated) according to the 2014 Lugano criteria.
  6. Male or female patient ≥ 18 years of age.
  7. Eastern Cooperative Oncology Group (ECOG) performance status ≤ 2 if not related to lymphoma disease.
  8. Ann Arbor stage II-IV disease.
  9. Life expectancy of at least 3 months.
  10. Women of childbearing potential (WOCBP) and men must agree to use effective contraception when sexually active. This applies for the time period between signing of the informed consent form and 6 months after last administration of bendamustine or copanlisib or 12 months after last rituximab dose. A woman is considered of childbearing potential, i.e. fertile, following menarche and until becoming post-menopausal unless permanently sterile. Permanent sterilization methods include but are not limited to hysterectomy, bilateral salpingectomy and bilateral oophorectomy. A postmenopausal state is defined as no menses for continuous 12 months without an alternative medical cause. A high follicle stimulating hormone (FSH) level in the postmenopausal range may be used to confirm a post-menopausal state in women not using hormonal contraception or hormonal replacement therapy. The investigator or a designated associate is requested to advise the patient how to achieve highly effective birth control method (failure rate of less than 1%) e.g. intrauterine device (IUD), intrauterine hormone-releasing system (IUS), bilateral tubal occlusion, vasectomized partner, and sexual abstinence. The use of condoms by male patients is required unless the female partner is permanently sterile.
  11. Adequate liver, renal and bone marrow function, assessed by baseline laboratory values as assessed within 7 days before starting study treatment; as assessed by the following (ULN= upper level of normality):

    • Total bilirubin ≤ 1.5 x ULN (< 3 x ULN for patients with Gilbert-Meulengracht syndrome, patients with cholestasis due to compressive adenopathies of the hepatic hilum or documented liver involvement by lymphoma).
    • Alanine transaminase (ALT or GPT) and aspartate aminotransferase (AST or GOT) < 2.5 x ULN (< 5x ULN for patients with documented liver involvement or with biliary obstruction due to lymphoma).
    • Lipase ≤ 1.5 x ULN.
    • Glomerular filtration rate (GFR) ≥ 30mL/min/1.73 m2 according to the Modification of Diet in Renal Disease (MDRD) abbreviated formula. If not on target, this evaluation may be repeated once after at least 24 hours either according to the MDRD abbreviated formula or by 24-hour sampling. If the latter result is within acceptable range, it may be used to fulfil the inclusion criteria instead.
    • International normalized ratio (INR) ≤ 1.5 and partial thromboplastin time (PTT) ≤ 1.5 x ULN. PTT can be used instead of INR if PTT ≤ 1.5 x ULN.
    • Platelet count ≥ 75,000/mm3. For patients with lymphomatous bone marrow infiltration (local assessment), platelet count ≥ 50,000/mm3. Platelet transfusion should not be given less than 7 days before the exam collection.
    • Absolute neutrophil count (ANC) ≥ 1,000/mm3.
    • Hemoglobin (Hb) ≥ 8 g/dL.
  12. Left ventricular ejection fraction ≥ 45%.
  13. Ability to understand and willingness to sign written informed consent. Signed informed consent must be obtained before any study specific procedure.

Exclusion Criteria:

Patients who meet any of the following criteria at the time of screening will be excluded.

  • Previous assignment to treatment during this study. Patients permanently withdrawn from study participation will not be allowed to re-enter the study.
  • Previous (within 28 days or less than 5 half-lives of the drug before start of study treatment) or concomitant participation in another clinical study with investigational medicinal product(s).

Excluded medical conditions:

  1. Primary mediastinal B-cell Lymphoma (PMBCL)
  2. High grade B-lymphoma NOS (other morphology)
  3. Known lymphomatous involvement of the central nervous system
  4. Congestive heart failure > New York Heart Association (NYHA) class 2
  5. Unstable angina (angina symptoms at rest), new-onset angina (begun within the last 3 months).
  6. Myocardial infarction less than 6 months before start of test drug
  7. Uncontrolled arterial hypertension despite optimal medical management
  8. HbA1c> 8.5%
  9. Arterial or venous thrombotic or embolic events such as cerebrovascular accident (including transient ischemic attacks), deep vein thrombosis or pulmonary embolism within 3 months before the start of study medication
  10. Non-healing wound, ulcer, or bone fracture
  11. Active, clinically serious infections > CTCAE Grade 2
  12. History of, or current autoimmune disease
  13. Known history of Human immunodeficiency virus (HIV) infection. All patients must be screened for HIV up to 28 days prior to study drug start using a blood test for HIV according to local regulations.
  14. Hepatitis B (HBV) or hepatitis C (HCV). All patients must be screened for HBV and HCV up to 28 days prior to study drug start using the routine hepatitis virus laboratorial panel. Patients positive for HBsAg or HBcAb will be eligible if they are negative for HBV-DNA, these patients should receive prophylactic antiviral therapy. Patients positive for anti-HCV antibody will be eligible if they are negative for HCV-RNA
  15. CMV PCR positive at baseline
  16. Previous or concurrent history of malignancies other than DLBCL within 5 years prior to study treatment except for curatively treated:

    • Cervical carcinoma in situ
    • Non-melanoma skin cancer
    • Superficial bladder cancer (Ta [non-invasive tumor], Tis [carcinoma in situ] and T1 [tumor invades lamina propria])
    • Localized prostate cancer
  17. Patients with seizure disorder requiring medication
  18. Patients with evidence or history of bleeding diathesis. Any hemorrhage or bleeding event ≥ CTCAE Grade 3 within 4 weeks prior to the start of study medication
  19. Proteinuria of ≥ CTCAE Grade 3 as assessed by a 24h protein quantification or estimated by urine protein: creatinine ratio > 3.5 on a random urine sample
  20. History or concurrent condition of interstitial lung disease of any severity and/or severely impaired lung function (as judged by the investigator)
  21. Concurrent diagnosis of pheochromocytoma
  22. Pregnant or breast-feeding patients. Women of childbearing potential must have a serum pregnancy test performed a maximum of 7 days before start of treatment, and a negative result must be documented before start of treatment.
  23. Unresolved toxicity higher than CTCAE Grade 1 attributed to any prior therapy/procedure, excluding alopecia
  24. Known hypersensitivity to any of the test drugs, test drug classes, or excipients in the formulation
  25. Substance abuse, medical, psychological or social conditions that may interfere with the patient's participation in the study or evaluation of the study results
  26. Any illness or medical conditions that are unstable or could jeopardize the safety of patients and their compliance in the study e.g., uncontrolled diabetes, uncontrolled dyslipidemia, etc.)

Excluded previous therapies and medications:

  • Prior treatment with copanlisib.
  • Prior exposure to idelalisib or other PI3K inhibitors, less than 28 days before start of treatment, unless evidence of progression since last treatment
  • Prior treatment with bendamustine: subjects treated with bendamustine at least 24 months before, with a response > one year to bendamustine containing regimen, will be eligible
  • Ongoing immunosuppressive therapy.
  • Radiotherapy or immuno-/chemotherapy less than 2-4 weeks before start of treatment (corticosteroids are allowed) and use of myeloid growth factors within 14 days prior to treatment
  • Blood or platelet transfusion less than 7 days before start of treatment
  • Systemic continuous corticosteroid therapy at a daily dose higher than 15 mg prednisone or equivalent is not allowed. Previous corticosteroid therapy must be stopped or reduced to the allowed dose 7 days before performing the screening PET or PET/CT and/or CT/MRI, whichever is performed first, and again prior to the first study drug administration. If a patient is on chronic corticosteroid therapy, corticosteroids should be de-escalated to the maximum allowed dose after the patient has signed the IC. Patients may be using topical or inhaled corticosteroids. A pre-phase with corticosteroids is allowed to control the disease in case of systemic symptoms and/or compressive disease with a maximum of prednisone 100 mg (or equivalent) daily for a maximum of 15 days prior start of treatment.
  • Autologous transplant less than 2 months before start of treatment. Prior Autologous stem cell performed more than 2 months before start of treatment is allowed.
  • History of having received an allogeneic bone marrow or organ transplant.
  • Major surgical procedure or significant traumatic injury (as judged by the investigator) within 28 days before start of treatment or have not recovered from major side effects.
  • Anti-arrhythmic therapy (beta blockers or digoxin are permitted).
  • Use of CYP3A4 inhibitors and inducers. Copanlisib is primarily metabolized by CYP3A4. Therefore, concomitant use of strong inhibitors of CYP3A4 (e.g., ketoconazole, itraconazole, clarithromycin, ritonavir, indinavir, nelfinavir and saquinavir), and strong inducers of CYP3A4 (e.g., rifampin, phenytoin, carbamazepine, phenobarbital, St. John's Wort) are not permitted from Day -28 of Cycle 1 until the end of copanlisib administration.

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04433182


Contacts
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Contact: Umberto Vitolo +39.011.9933714 umberto.vitolo@ircc.it

Locations
Show Show 29 study locations
Sponsors and Collaborators
Fondazione Italiana Linfomi ONLUS
Investigators
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Principal Investigator: Umberto Vitolo Ematologia, Candiolo Cancer Institute. FPO-IRCCS
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Responsible Party: Fondazione Italiana Linfomi ONLUS
ClinicalTrials.gov Identifier: NCT04433182    
Other Study ID Numbers: FIL_Copa-RB
First Posted: June 16, 2020    Key Record Dates
Last Update Posted: June 16, 2020
Last Verified: June 2020
Individual Participant Data (IPD) Sharing Statement:
Plan to Share IPD: No

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Studies a U.S. FDA-regulated Drug Product: No
Studies a U.S. FDA-regulated Device Product: No
Product Manufactured in and Exported from the U.S.: No
Keywords provided by Fondazione Italiana Linfomi ONLUS:
Diffuse Large B-cell Lymphoma
Relapsed-Refractory
DLBCL
Copanlisib
Additional relevant MeSH terms:
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Lymphoma
Lymphoma, B-Cell
Lymphoma, Large B-Cell, Diffuse
Neoplasms by Histologic Type
Neoplasms
Lymphoproliferative Disorders
Lymphatic Diseases
Immunoproliferative Disorders
Immune System Diseases
Lymphoma, Non-Hodgkin