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Study of NGM831 as Monotherapy and in Combination With Pembrolizumab in Advanced or Metastatic Solid Tumors

Published: February 4, 2022

Primary Outcome Measures

  1. Number of Patients with Dose-limiting Toxicities [ Time Frame: Baseline up to 21 Days ]
    A DLT is defined as an AE that meets at least one of the criteria listed in protocol, according to National Cancer Institute (NCI) common terminology criteria for AE (CTCAE) version 5.0, and is considered by the Investigator to be clinically relevant and attributed to the study treatment during the first 21 days after the first dose of study treatment.
  2. Incidence of Adverse Events [ Time Frame: Baseline up to Approximately 24 months ]

    Number of patients with adverse events (AEs) according to severity, seriousness, and relationship to study drug.

    An AE is defined as any untoward medical occurrence in a participant, temporally associated with the use of study treatment, whether or not considered related to the study treatment. The number of patients who experience at least one AE will be presented.

  3. Number of Patients with Clinically Significant Laboratory Abnormalities [ Time Frame: Baseline up to Approximately 24 months ]
    Number of patients with clinically significant change from baseline in laboratory abnormalities as characterized by type, frequency, severity (graded by CTCAE version 5.0) and timing.

Secondary Outcome Measures

  1. Maximum Observed Serum Concentration (Cmax) of NGM831 [ Time Frame: Baseline up to approximately 24 months ]

    Cmax is defined as the observed maximum serum concentration post drug administration.

    Will be measured on Day 1, 2, 4, 8 and 15 of Cycles 1 and 3, Day 1 of Cycle 2 and Day 1 of Cycle 4 and each cycle thereafter

  2. Area Under the Curve (AUC) of Serum NGM831 [ Time Frame: Baseline up to approximately 24 months ]

    Area under the curve from time zero extrapolated to the last time point prior to the next dose.

    Will be measured on Day 1, 2, 4, 8 and 15 of Cycles 1 and 3, Day 1 of Cycle 2 and Day 1 of Cycle 4 and each cycle thereafter.

  3. Time to Maximum (Tmax) Observed Serum Concentration of NGM831 [ Time Frame: Baseline up to approximately 24 months ]

    Tmax is defined as the time to reach the observed maximum serum concentration (Cmax).

    Will be measured on Day 1, 2, 4, 8 and 15 of Cycles 1 and 3, Day 1 of Cycle 2 and Day 1 of Cycle 4 and each cycle thereafter.

  4. Half-life (t1/2) of NGM831 in Serum [ Time Frame: Baseline up to approximately 24 months ]

    Time measured for the serum concentration to decrease by one half during the terminal phase.

    Will be measured on Day 1, 2, 4, 8 and 15 of Cycles 1 and 3, Day 1 of Cycle 2 and Day 1 of Cycle 4 and each cycle thereafter.

  5. Systemic Clearance (CL) of NGM831 [ Time Frame: Baseline up to approximately 24 months ]

    CL is defined as systemic clearance.

    Will be measured on Day 1, 2, 4, 8 and 15 of Cycles 1 and 3, Day 1 of Cycle 2 and Day 1 of Cycle 4 and each cycle thereafter.

  6. Volume of Distribution (Vss) of NGM831 at Steady State [ Time Frame: Baseline up to approximately 24 months ]

    Vss is defined as the volume of distribution at steady state.

    Will be measured on Day 1, 2, 4, 8 and 15 of Cycles 1 and 3, Day 1 of Cycle 2 and Day 1 of Cycle 4 and each cycle thereafter.

  7. Anti-drug Antibodies (ADA) Against NGM831 [ Time Frame: Baseline up to approximately 24 months ]

    Incidence and titers of anti-drug antibodies (ADA) against NGM831.

    Will be measured on Day 1 of each cycle.

  8. Number of Patients in Expansion Cohort with Objective Responses [ Time Frame: Baseline up to approximately 24 months ]
    Objective Response Rate is defined as the proportion of patients who achieve a confirmed complete response (CR) or partial response (PR) divided by the total number of evaluable patients per RECIST v1.1
  9. Trough Concentrations of NGM831 [ Time Frame: Baseline up to approximately 24 months ]

    Trough Concentration refers to the serum concentration of NGM831 observed just before treatment administration.

    Will be measured on Day 1, 2, 4, 8 and 15 of Cycles 1 and 3, Day 1 of Cycle 2 and Day 1 of Cycle 4 and each cycle thereafter.

Inclusion Criteria

  • Histologically or cytologically documented locally advanced or metastatic solid tumor malignancy.
  • Progressed or was intolerant to all available therapies known to confer clinical benefit appropriate for their tumor type, and for which the patient was eligible and willing to receive, or refused standard-of-care (SOC) treatments that are perceived to have marginal clinical benefit.
  • Adequate bone marrow, kidney and liver function
  • Performance status of 0 or 1.
  • Resolved acute effects of any prior therapy to baseline severity or CTCAE Grade 1 except for AEs not constituting a safety risk by Investigator judgement.

Exclusion Criteria

Prior treatment targeting ILT3

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