Multiple Myeloma Clinical Trial
Official title:
A Phase I/II Open Label Study To Evaluate The Safety, Pharmacokinetics And Pharmacodynamics Of ALXN6000 In Patients With Relapsing Or Refractory B-Cell Chronic Lymphocytic Leukemia Or Multiple Myeloma
The purpose of this study was to determine the safety and maximum tolerated dose (MTD) of ALXN6000 (samalizumab) in treating relapsing or refractory B-cell chronic lymphocytic leukemia (B-CLL) or multiple myeloma (MM) and to study how samalizumab may help the immune system fight tumors that express CD200.
This was an open-label multicenter study for participants with relapsing or refractory B-CLL
or MM. The study was planned to be conducted in 2 parts: Part A and Part B. Both parts were
to evaluate safety, pharmacokinetics (PK), pharmacodynamics (PD), and efficacy (to the extent
possible) of samalizumab in the target participant population. Part A was designed as the
open-label, intravenous (IV) single dose-escalation portion of the study to determine the MTD
and to assess the overall safety of different dose levels of up to 4 IV doses of samalizumab
in participants with either refractory or relapsing B-CLL or MM. Initially, at least 3
participants would be enrolled into a cohort until a dose-limiting toxicity (DLT) was
reached. If any 1 of the initial 3 participants in the cohort experienced a DLT, the cohort
would be expanded to at least 6 participants.
After determination of the MTD in Part A, the Sponsor was to review the safety, PK, and
relevant PD data to determine the dosing administration schedule for Part B. However, no
participants were enrolled for Part B, as the study was terminated by the Sponsor for
administrative reasons.
Participant enrollment in Cohort 7 (600 milligrams per square meter [mg/m^2] dose level),
Part A, was halted after enrollment of the first participant. The study was terminated by the
Sponsor for administrative reasons and not due to any safety concerns. Participants who were
on study at the time of study termination were allowed to continue until the expiry date of
the drug lot being used and then were followed for 30 (±1) days per protocol. The study was
terminated by the Sponsor at that time. Part B of the study was not conducted.
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