A Study of Cobimetinib Administered as Single Agent and in Combination with Venetoclax, with or Without Atezolizumab, in Patients with Relapsed and Refractory Multiple Myeloma

• Register: EUCTR
• Last refreshed on: 26 September 2023
• Main ID: EUCTR2017-000830-68-ES
• Date of registration: 02/10/2017
• Prospective Registration: Yes
• Primary sponsor: F. Hoffman-La Roche Ltd.
• Public title: A Study of Cobimetinib Administered as Single Agent and in Combination with Venetoclax, with or Without Atezolizumab, in Patients with Relapsed and Refractory Multiple Myeloma
• Scientific title: A PHASE IB/II STUDY OF COBIMETINIB ADMINISTERED AS SINGLE AGENT AND IN COMBINATION WITH VENETOCLAX, WITH OR WITHOUT ATEZOLIZUMAB, IN PATIENTS WITH RELAPSED AND REFRACTORY MULTIPLE MYELOMA
• Date of first enrolment: 06/10/2017
• Target sample size: 72
• Recruitment status: Not Recruiting
• URL: https://www.clinicaltrialsregister.eu/ctr-search/search?query=eudract_number:2017-000830-68
• Study type: Interventional clinical trial of medicinal product
• Study design: Controlled: no Randomised: yes Open: Single blind: Double blind: Parallel group: Cross over: Other: yes Other trial design description: safety run in followed by randomization phase If controlled, specify comparator, Other Medicinial Product: no Placebo: no Other: no Number of treatment arms in the trial: 3
• Phase: Human pharmacology (Phase I): no Therapeutic exploratory (Phase II): yes Therapeutic confirmatory - (Phase III): no Therapeutic use (Phase IV): no

Countries of recruitment

Czech Republic, Denmark, France, Germany, Netherlands, Norway, Poland, Spain, Sweden

Contacts

• Name: Trial Information Support Line-TISL
• Affiliation: F.Hoffmann-La Roche Ltd.

• Name: Trial Information Support Line-TISL
• Affiliation: F.Hoffmann-La Roche Ltd.

Key inclusion & exclusion criteria

Inclusion criteria:
- Age >= 18 years
- Eastern Cooperative Oncology Group Performance Status of 0, 1, or 2
- Life expectancy of at least 12 weeks
- Documented MM as defined by criteria such as monoclonal plasma cells in the bone marrow>= 10% or presence of a biopsy-proven plasmacytoma and Measurable disease such as Serum M-protein level >= 1.0 g/dL or urine monoclonal protein (M-protein) level >= 200 mg/24 hours or light chain MM as serum Ig free light chain (FLC) >= 10 mg/dL and abnormal serum Ig kappa/lambda FLC ratio
- Received 3 to 5 prior lines of therapy for MM, including a proteasome inhibitor (PI) and an immunomodulatory drug (IMiD)
- Achieved a response to at least one prior regimen
- Documented evidence of progressive disease on or after their last prior therapy, or patients who were intolerant to their last prior therapy
- Toxicities resulting from previous therapy that must be resolved or stabilized to Grade 1
- Laboratory values such as hemoglobin level >= 7.5 g/dL (>= 5 mmol/L), platelet count >= 50,000/mm3 or >= 30,000 if bone marrow plasma cell > 50%, absolute neutrophil count >= 1000/mm3, AST and ALT <= 2.5 × the upper limit of normal (ULN), total bilirubin <= 1.5 × ULN and Adequate renal function as demonstrated by a calculated creatinine clearance of >= 40 mL/min; determined via urine collection for 24-hour creatinine clearance or by the Cockcroft-Gault formula
- For women of childbearing potential: agreement to remain abstinent or use two contraceptive methods with a failure rate of < 1% per year during the treatment period and for at least 3 months after the last dose of cobimetinib, 1 month after the last dose of venetoclax, and 5 months after the last dose of atezolizumab
- For men, agreement to remain abstinent or use a condom, and agreement to refrain from donating sperm during the treatment period and for at least 3 months after the last dose of cobimetinib
Are the trial subjects under 18? no
Number of subjects for this age range:
F.1.2 Adults (18-64 years) yes
F.1.2.1 Number of subjects for this age range 36
F.1.3 Elderly (>=65 years) yes
F.1.3.1 Number of subjects for this age range 36

Exclusion criteria:
- Anti-myeloma treatment within 14 days or 5 PK half-lives of the treatment, whichever is longer, before the date of randomization
- Completion of autologous stem cell transplant within 100 days prior to the date of randomization
- Prior allogeneic stem cell transplant as well as prior solid organ transplant
- Spinal cord compression not definitively treated with surgery and/or radiation
- Prior treatment with MEK inhibitors, Bcl-2 inhibitors, or immune checkpoint inhibitor therapies including anti-CTLA-4, anti-PD-1 or anti-PD-L1
- Treatment with systemic immunostimulatory agents within 28 days or 5 half-lives of the drug (whichever is longer) prior to initiation of study treatment
- Treatment with systemic immunosuppressive medication within 14 days prior to initiation of study treatment, or anticipation of need for systemic immunosuppressive medication during the course of the study with the exceptions as patients who received acute, low-dose systemic immunosuppressant medication or a one-time pulse dose of systemic immunosuppressant medication are eligible for the study after Medical Monitor approval has been obtained
- Surgical procedure or significant traumatic injury within 28 days prior to enrollment, or anticipation of need for major surgical procedure during the course of the study and minor surgical procedure within 7 days
- Prior radiation therapy within 14 days prior to study enrollment and/or persistence of radiation-related adverse effects
- History or evidence of retinal pathology on ophthalmic examination that is considered a risk factor for neurosensory retinal detachment/central serous chorioretinopathy, retinal vein occlusion (RVO), or neovascular macular degeneration, serous retinopathy, Evidence of ongoing serous retinopathy or RVO at baseline
- Left ventricular ejection fraction below institutional lower limit of normal
- History of clinically significant cardiovascular dysfunction
- Any previous venous thromboembolism > Grade 3 within 12 months of study enrollment
- INR > 1.5 and aPTT > 1.5 × ULN within 7 days prior to study enrollment.
- History or evidence of inherited bleeding diathesis or significant coagulopathy at risk of bleeding, severe allergic, anaphylactic, or other hypersensitivity reactions to chimeric or humanized antibodies or fusion proteins (for patients in Arm C only), history of other malignancy that could affect compliance with the protocol or interpretation of results and history of malabsorption or other condition that would interfere with absorption of study drugs
- Active or history of autoimmune disease or immune deficiency
- Positive test results for hepatitis B (hepatitis B surface antigen [HBsAg] and/or total hepatitis B core antibody [HBcAb]) or hepatitis C virus (HCV) antibody
- Treatment with a live, attenuated influenza vaccine (e.g., FluMist) within 28 days prior to Cycle 1 Day 1, at any time during the study, and for at least 5 months after the last dose of study drug (for patients in Arm C only)
- Received strong CYP3A inhibitors, moderate CYP3A inhibitors strong CYP3A inducers, and moderate CYP3A inducers within 7 days prior to the initiation of study treatment
- Foods/supplements are prohibited at least 7 days prior to initiation of and during study treatment in St John’s wort or hyperforin, Grapefruit juice
- Pregnant or lactating, or intending to become pregnant during the study


Age minimum:
Age maximum:
Gender:
Female: yes
Male: yes

Health Condition(s) or Problem(s) studied

Multiple Myeloma (MM)
MedDRA version: 20.0 Level: LLT Classification code 10028228 Term: Multiple myeloma System Organ Class: 100000054086

Therapeutic area: Diseases [C] - Cancer [C04]

Intervention(s)

Product Name: Cobimetinib (GDC-0973)
Product Code: RO5514041/F04
Pharmaceutical Form: Film-coated tablet
INN or Proposed INN: Cobimetinib (GDC-0973)
CAS Number: 934660-93-2
Current Sponsor code: RO5514041
Other descriptive name: COBIMETINIB, GDC-0973/XL518
Concentration unit: mg milligram(s)
Concentration type: equal
Concentration number: 20-

Product Name: MPDL3280A-RO5541267
Product Code: RO5541267/F03
Pharmaceutical Form: Solution for infusion
INN or Proposed INN: ATEZOLIZUMAB
Current Sponsor code: RO5541267
Other descriptive name: MPDL3280A
Concentration unit: ml millilitre(s)
Concentration type: equal
Concentration number: 20-

Product Name: Cobimetinib (GDC-0973)
Product Code: RO5514041/F09
Pharmaceutical Form: Film-coated tablet
INN or Proposed INN: Cobimetinib (GDC-0973)
CAS Number: 934660-93-2
Current Sponsor code: RO5514041
Other descriptive name: COBIMETINIB, GDC-0973/XL518
Concentration unit: mg milligram(s)
Concentration type: equal
Concentration number: 20-

Product Name: Venetoclax 100mg
Product Code: RO5537382/F05
Pharmaceutical Form: Tablet
INN or Proposed INN: Venetoclax
CAS Number: 934660-93-2
Current Sponsor code: RO5537382
Other descriptive name: ABT-199, GDC-0199
Concentration unit: mg milligram(s)
Concentration type: equal
Concentration number: 100-

Primary Outcome(s)

Secondary Objective: •To further evaluate the efficacy of cobimetinib administered as single agent (Arm A), cobimetinib + venetoclax (Arm B), and cobimetinib + venetoclax + atezolizumab (Arm C)
•To characterize the pharmacokinetics (PK) of cobimetinib (Arm A), to characterize the PK of cobimetinib and venetoclax when administered together (Arm B), and to characterize the pharmacokinetics of cobimetinib, venetoclax, and atezolizumab when administered together (Arm C)
•To evaluate the immune response to atezolizumab administered in Arm C

Primary end point(s): 1. Incidence, nature, and severity of adverse events, graded as per National Cancer Institute Common Terminology Criteria for Adverse Events, v4.0; laboratory data
2. Overall response rate as defined by the International Myeloma Working Group (2016)

Main Objective: •To evaluate the preliminary safety and tolerability and the preliminary efficacy of cobimetinib administered as single agent (Arm A), cobimetinib + venetoclax (Arm B), and cobimetinib + venetoclax + atezolizumab (Arm C)

Timepoint(s) of evaluation of this end point: 1-2. Up to 24 months

Secondary Outcome(s)

Secondary end point(s): 1. Clinical benefit rate
2. Progression-free survival
3. Duration of response
4. Overall survival
5. Plasma concentration of cobimetinib and venetoclax at specified timepoints
6. Serum concentration of atezolizumab at specified timepoints
7. Incidence of anti-drug antibody during the study relative to the prevalence of anti-drug antibody at baseline

Timepoint(s) of evaluation of this end point: 1-4. Up to 24 months
5. Cobimetinib: Day 1 and 15 of Cycle 1; Venetoclax: Day 1 and 15 of Cycle 1, Day 1 of Cycle 2 and 3
6-7. Day 1 of Cycle 1, 2 and 3, at treatment discontinuation visit (30 days after the last dose of study drug)

Secondary ID(s)

2017-000830-68-NL

BO39813

Source(s) of Monetary Support

F. Hoffmann-La Roche Ltd.

Ethics review

Status: Approved
Approval date: 08/09/2017
Contact:

Results

• Results available: Yes
• Date Posted: 27/05/2022
• Date Completed: 18/05/2021
• URL: https://www.clinicaltrialsregister.eu/ctr-search/trial/2017-000830-68/results