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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT03068351
Other study ID # NP39403
Secondary ID 2016-003615-35
Status Completed
Phase Phase 1
First received
Last updated
Start date June 26, 2017
Est. completion date August 1, 2019

Study information

Verified date February 2020
Source Hoffmann-La Roche
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This is a Phase Ib, open-label, multicenter, global study designed to assess the safety and tolerability of RO6870810 as monotherapy and in combination with daratumumab in participants with relapsed/refractory multiple myeloma. Each treatment cycle will be 21 days in length. There are two parts to this study. A dose-escalation phase (Part I) will be used to evaluate the safety and tolerability and dose limiting toxicities, and to establish the maximum tolerated dose (MTR)/optimum biological dose (OBD) of RO6870810 when given as monotherapy or in combination with daratumumab. A dose-expansion phase (Part II) will further characterize the safety, tolerability and activity of RO6870810 as monotherapy or in combination with daratumumab at the defined expansion dose-levels.


Recruitment information / eligibility

Status Completed
Enrollment 24
Est. completion date August 1, 2019
Est. primary completion date August 1, 2019
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria:

- Performance status </=2 on the Eastern Cooperative Oncology Group (ECOG) scale

- Life expectancy > 3 months

- Relapsed or refractory multiple myeloma. Participants with primary refractory myeloma only allowed in dose-escalation phase of the study.

- Prior treatment: Treated with at least three prior lines of multiple myeloma therapy including a proteasome inhibitor and an immuno modulatory agent or who are double refractory to a proteasome inhibitor and an immuno modulatory agent. Prior anti-CD38 antibody (e.g., daratumumab, isatuximab) treatment is acceptable only for participants receiving monotherapy treatment.

- Prior treatment: Treated with two or more lines of prior therapy, with disease refractory to both a proteasome inhibitor and an immunomodulatory agent, and disease progression (as defined by International Myeloma Working Group (IMWG) criteria) following treatment with an anti-CD38 monoclonal antibody given as monotherapy or in combination therapy. The most recent treatment regimen must have contained an anti-CD38 monoclonal antibody.

- Treatment with prior autologous transplant is permitted

- Documented diagnosis of symptomatic multiple myeloma, as defined by the IMWG

- Measurable disease defined as at least one of the following: serum M-protein >/=1 grams/deciliter (g/dL), urine M-protein >/= 200 milligrams/24 hours (mg/24h), serum free light chain (SFLC) assay: involved SFLCs >/= 10 mg/dL (>/= 100 mg/L) and an abnormal SFLC ratio (<0.26 or >1.65).

- Female participants of childbearing potential must have a negative serum pregnancy test within the 7 days prior to the first study drug administration.

- For women of childbearing potential: agreement to remain abstinent (refrain from heterosexual intercourse) or use contraceptive methods that result in a failure rate of < 1% per year during the treatment period and for at least 2 months after the last dose of RO6870810 as monotherapy, or for at least 3 months after the last dose of daratumumab.

- For men: agreement to remain abstinent (refrain from heterosexual intercourse) or use contraceptive measures and agreement to refrain from donating sperm, as defined: With female partners of childbearing potential or pregnant female partners, men must remain abstinent or use a condom during the treatment period and for at least 4 months after the last dose of RO6870810 as monotherapy, or for at least 3 months after the last dose of daratumumab.

Exclusion Criteria:

- Plasma cell leukemia defined as peripheral plasma cell count > 2000/cubic millimeter (mm^3)

- For expansion cohorts only: Primary refractory multiple myeloma defined as disease that is non-responsive in participants who have never achieved a minimal response or better with any therapy

- History of other malignancy within 2 years prior to screening, except for ductal carcinoma in situ not requiring chemotherapy, appropriately treated carcinoma in situ of the cervix, non-melanoma skin carcinoma, low-grade, localized prostate cancer (Gleason score </= 7) not requiring treatment or appropriately treated Stage I uterine cancer

- POEMS syndrome (polyneuropathy, organomegaly, endocrinopathy, monoclonal protein and skin changes)

- Current or prior disease or treatment that could compromise protocol objectives in the opinion of the Investigator and/or the Sponsor

- Pregnant or breastfeeding female.

- Consumption of agents which strongly inhibit CYP3A4 enzyme, within 7 days prior to the first dose of study treatment and during the study.

- Consumption of agents which strongly induce CYP3A4 enzyme, within 14 days prior to the first dose of study treatment and during the study.

- Surgery within 21 days prior to study entry.

- Prior treatment with small molecule BET family inhibitor or receiving steroids >the equivalent of 10mg prednisone daily

- participants who are currently receiving any other investigational agent or have received an investigational agent within 30 days or 5 half-lives, whichever is longer, prior to study entry

- Uncontrolled cancer pain

- Prior anti-cancer therapy (chemotherapy, targeted agents, radiotherapy, and immunotherapy) within 14 days except for alkylating agents (e.g., melphalan) within 28 days.

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
RO6870810
RO6870810 will be administered subcutaneously (SC) at ascending-dose levels (from 0.30 milligrams/kilogram [mg/kg] to 0.65 mg/kg). In Cycle 1, RO6870810 will be given on Day 1 (omitted on Day 2) and then every day from Day 3 through to Day 15. Starting at Cycle 2, it will be given every day from Day 1 to Day 14 of each 21-day cycle. In the first combination therapy cohort RO6870810 will be administered at one dose-level below the maximum tolerated dose (MTD).
Biological:
daratumumab
Daratumumab will be administered intravenously (IV) at a dose of 16 milligrams/kilogram (mg/kg) of body weight weekly for the first 8 weeks, every two weeks for the following 16 weeks, and every four weeks thereafter, until disease progression.

Locations

Country Name City State
Australia St Vincent's Hospital Melbourne Fitzroy Victoria
Australia Scientia Clinical Research Limited Randwick New South Wales
United Kingdom University College London Hospitals; Clinical Research Facility London
United Kingdom Oxford University Hospitals NHS Trust; Churchill Hospital Oxford
United States Emory Uni - Winship Cancer Center; Hematology/Oncology Atlanta Georgia
United States Dana Farber Cancer Institute Boston Massachusetts
United States University of North Carolina at Chapel Hill Chapel Hill North Carolina
United States City of Hope Duarte California
United States Duke Clin Rsch Institute Durham North Carolina
United States Mayo Clinic Jacksonville Florida
United States Mount Sinai - PRIME; Icahn School of Medicine at Mount Sinai New York New York
United States Stanford Cancer Center Stanford California

Sponsors (1)

Lead Sponsor Collaborator
Hoffmann-La Roche

Countries where clinical trial is conducted

United States,  Australia,  United Kingdom, 

Outcome

Type Measure Description Time frame Safety issue
Primary Number of Dose-Limiting Toxicities (DLTs) DLTs are defined as the toxicities known and expected of RO6870810 and daratumumab that occur during a DLT assessment window of 21 days from the first administration of RO6870810 or study combination treatments, and are considered by the Investigator to be related to study treatment. DLTs are defined at specific severity levels for each term and include, but are not limited to the following Common Terminology Criteria for Adverse Events (CTCAE) terms: neutropenia, febrile neutropenia, thrombocytopenia, anemia and injection site reaction. From first drug administration to end of dose-escalation phase (up to approximately 1 year)
Primary Objective Response Rate (ORR) ORR is defined as the percentage of participants whose confirmed best overall response is either complete response (CR, including stringent complete response [sCR]) or partial response (PR, including very good partial response [VGPR]), assessed with use of the IMWG criteria. CR: Negative immunofixation on the serum and urine and disappearance of any soft tissue plasmacytomas, and <5% plasma cells in bone marrow aspirates. sCR: CR plus normal free light chain (FLC) ratio and absence of clonal cells in bone marrow by immunohistochemistry or immunofluorescence. PR: >/=50% reduction of serum M-protein plus reduction in 24h urinary M-protein by >/=90% or to <200 mg/24h. VGPR: serum and urine M-protein detectable by immunofixation but not on electrophoresis; or >/=90% reduction in serum M-protein plus urine M-protein level <100 mg/24h. ORR= CR + sCR + PR + VGPR From baseline to end of study (up to approximately 2.5 years)
Primary Progression Free Survival (PFS) PFS is defined as the time from first study treatment to the first occurrence of disease progression (per IMWG criteria) or death, whichever occurs first. Disease progression is defined as an increase of >/= 25% from lowest response value in any one or more of the following: serum M-component, urine M-component, in participants without measurable serum and urine M-protein levels: the difference between involved and uninvolved FLC levels (the absolute increase must be >10 mg/dL), bone marrow plasma cell percentage (absolute level >/= 10%), definite development of new bone lesions or soft tissue plasmacytomas or definite increase in the size of existing bone lesions or soft tissue plasmacytomas, development of hypercalcemia (corrected serum calcium > 11.5 mg/dL or 2.65 mmol/L) that can be attributed solely to the plasma cell proliferative disorder. From baseline to end of study (up to approximately 2.5 years)
Primary Duration of Response (DoR) DoR is defined as the time from the first occurrence of a documented objective response (sCR, CR, VGPR, or PR) to the time of first disease progression per IMWG criteria or death from any cause, whichever occurs first. Disease progression is defined as an increase of >/= 25% from lowest response value in any one or more of the following: serum M-component, urine M-component, in participants without measurable serum and urine M-protein levels: the difference between involved and uninvolved FLC levels (the absolute increase must be >10 mg/dL), bone marrow plasma cell percentage (absolute level >/= 10%), definite development of new bone lesions or soft tissue plasmacytomas or definite increase in the size of existing bone lesions or soft tissue plasmacytomas, development of hypercalcemia (corrected serum calcium > 11.5 mg/dL or 2.65 mmol/L) that can be attributed solely to the plasma cell proliferative disorder. From baseline to end of study (up to approximately 2.5 years)
Primary Overall survival (OS) OS is defined as the time from study enrollment until death from any cause. From baseline to end of study (up to approximately 2.5 years)
Secondary Percentage of Participants with Adverse Events An adverse event is any untoward medical occurrence in a participant administered a pharmaceutical product and which does not necessarily have to have a causal relationship with the treatment. An adverse event can therefore be any unfavorable and unintended sign (including an abnormal laboratory finding, for example), symptom, or disease temporally associated with the use of a pharmaceutical product, whether or not considered related to the pharmaceutical product. Preexisting conditions which worsen during a study are also considered as adverse events. From baseline to end of study (up to approximately 2.5 years)
Secondary Maximum Observed Plasma Concentration (Cmax) of RO6870810 Maximum observed concentration of RO6870810 as determined by measuring drug concentration in blood samples over time. Cycle 1, Days 1 and 15: predose, 0.25 hours (h), 0.5 h, 1 h, 2 h, 4 h, 6 h, 8 h, 10 h, 24 h, 48 h; Cycle 1, Day 8 predose; all subsequent cycles predose on Day 1 and at end of treatment (EOT- up to approximately 2.5 years)
Secondary Time to Reach Maximum Observed Plasma Concentration (tmax) of RO6870810 Time from dose administration to observed maximum serum concentration for RO6870810 as determined by measuring drug concentration in blood samples over time. Cycle 1, Days 1 and 15: predose, 0.25 h, 0.5 h, 1 h, 2 h, 4 h, 6 h, 8 h, 10 h, 24 h, 48 h; Cycle 1, Day 8 predose; all subsequent cycles predose on Day 1 and at end of treatment (EOT - up to approximately 2.5 years)
Secondary Apparent Plasma Clearance (CL/F) of RO6870810 Apparent clearance (CL/F) of RO6870810, where CL is clearance and F is bioavailability (relative amount of extravascularly-administered drug that reaches systemic circulation unchanged). Determined by measuring drug concentration in blood samples over time. Cycle 1, Days 1 and 15: predose, 0.25 h, 0.5 h, 1 h, 2 h, 4 h, 6 h, 8 h, 10 h, 24 h, 48 h; Cycle 1, Day 8 predose; all subsequent cycles predose on Day 1 and at end of treatment (EOT - up to approximately 2.5 years)
Secondary Apparent Volume of Distribution (V/F) of RO6870810 Apparent volume of distribution (V/F) for RO6870810, where V is the volume of distribution and F is bioavailability (relative amount of extravascularly-administered drug that reaches systemic circulation unchanged). Determined by measuring drug concentration in blood samples over time. Cycle 1, Days 1 and 15: predose, 0.25 h, 0.5 h, 1 h, 2 h, 4 h, 6 h, 8 h, 10 h, 24 h, 48 h; Cycle 1, Day 8 predose; all subsequent cycles predose on Day 1 and at end of treatment (EOT - up to approximately 2.5 years)
Secondary Area Under the Plasma Concentration-Time Curve (AUC) of RO6870810 AUC for RO6870810 describes the extent of absorption from time of dose administration to time of sampling as determined by measuring drug concentration in blood samples over time. Cycle 1, Days 1 and 15: predose, 0.25 h, 0.5 h, 1 h, 2 h, 4 h, 6 h, 8 h, 10 h, 24 h, 48 h; Cycle 1, Day 8 predose; all subsequent cycles predose on Day 1 and at end of treatment (EOT - up to approximately 2.5 years)
Secondary Half-life (t1/2) of RO6870810 Half-life of RO6870810 is the time elapsed for the drug concentration to decrease by half as determined by measuring drug concentration in blood samples over time. Cycle 1, Days 1 and 15: predose, 0.25 h, 0.5 h, 1 h, 2 h, 4 h, 6 h, 8 h, 10 h, 24 h, 48 h; Cycle 1, Day 8 predose; all subsequent cycles predose on Day 1 and at end of treatment (EOT - up to approximately 2.5 years)
Secondary Renal Clearance (CLr) of RO6870810 Clearance of RO6870810 through the kidneys as determined by measuring drug concentration in urine samples over time. Cycle 1, Day 1: predose, 0-1 h, 1-4 h, 4-8 h; Cycle 1, Day 15: predose, 0 h, 2 h, 6 h
Secondary M-Protein Levels M-protein levels pre- and post-treatment will be monitored as a measure of biological response. At baseline, end of study (up to approximately 2.5 years)
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