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NCT02663518 · OUTCOME

Part 1: Number of Participants With Dose Limiting Toxicities (DLTs)

A Trial of PF-07901800 (TTI-621) for Patients With Hematologic Malignancies and Selected Solid Tumors · Source last updated 2024-05-10

Results reported by the registry submitting party. Population, time horizon, units and missing values must be read together.

Measure
COUNT_OF_PARTICIPANTS
Unit
Participants
Interval / dispersion
Not reported
Time frame
Part 1: Day 1 of dosing up to Pre-dose on Day 22

What was measured

DLT was defined as any of the protocol specified TEAEs that occurred during the 21-day. DLT treatment/observation period (including the pre-dose tests on Day 22/Week 4 Day 1) and that were considered at least possibly related to study treatment by the investigator. Protocol specified DLT TEAE criteria: Grade 4 thrombocytopenia; Grade 3 thrombocytopenia with bleeding (with the exception of brief, easily-controlled epistaxis, mild gum bleeding or normal menses) or with any requirement for platelet transfusions; Grade 4 anemia, unexplained by underlying disease; Grade 4 neutropenia lasting more than 5 days; Febrile neutropenia of any duration ( Absolute Neutrophil Count (ANC) less than (\<) 1.0 \* 10\^9/L. fever greater than (\>) 38.5° Degree Celsius (C); Grade 3 or higher non-hematologic toxicity except for alopecia and nausea controlled by medical management; Grade 3 or 4 hemorrhage.

Analysis population: The DLT-evaluable set included participants who had received all 3 doses within the DLT evaluation period, or participants who experienced an AE, meeting DLT criteria during that time. Here, "Number of Participants Analyzed" refers to participants evaluable for this outcome measure.

Groups in this outcome

Part 1: Ontorpacept (PF-07901800/TTI-621) 0.05 mg/kg

Participants with advanced relapsed or refractory lymphomas received TTI-621 0.05 mg/kg infusion once weekly until disease progression, unacceptable toxicity, or other reasons for treatment discontinuation occurred.

Part 1: Ontorpacept (PF-07901800/TTI-621) 0.1 mg/kg

Participants with advanced relapsed or refractory lymphomas received TTI-621 0.1 mg/kg infusion once weekly until disease progression, unacceptable toxicity, or other reasons for treatment discontinuation occurred.

Part 1: Ontorpacept (PF-07901800/TTI-621) 0.2 mg/kg

Participants with advanced relapsed or refractory lymphomas received TTI-621 0.2 mg/kg infusion once weekly until disease progression, unacceptable toxicity, or other reasons for treatment discontinuation occurred.

Part 1: Ontorpacept (PF-07901800/TTI-621) 0.3 mg/kg

Participants with advanced relapsed or refractory lymphomas received TTI-621 0.3 mg/kg infusion once weekly until disease progression, unacceptable toxicity, or other reasons for treatment discontinuation occurred.

Group identifiers and denominators belong to this outcome only. They may differ in another outcome or in safety reporting.

Analysis denominator · Participants

GroupSource count
Part 1: Ontorpacept (PF-07901800/TTI-621) 0.05 mg/kg3
Part 1: Ontorpacept (PF-07901800/TTI-621) 0.1 mg/kg3
Part 1: Ontorpacept (PF-07901800/TTI-621) 0.2 mg/kg5
Part 1: Ontorpacept (PF-07901800/TTI-621) 0.3 mg/kg5

Reported measurements

Source class 1
Values in Participants · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
Part 1: Ontorpacept (PF-07901800/TTI-621) 0.05 mg/kg0Not reportedNot reportedNot reportedNot reported
Part 1: Ontorpacept (PF-07901800/TTI-621) 0.1 mg/kg0Not reportedNot reportedNot reportedNot reported
Part 1: Ontorpacept (PF-07901800/TTI-621) 0.2 mg/kg1Not reportedNot reportedNot reportedNot reported
Part 1: Ontorpacept (PF-07901800/TTI-621) 0.3 mg/kg2Not reportedNot reportedNot reportedNot reported
Complete source fields
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        value
        0
      2. group Id
        OG001
        value
        0
      3. group Id
        OG002
        value
        1
      4. group Id
        OG003
        value
        2
denoms
  1. counts
    1. group Id
      OG000
      value
      3
    2. group Id
      OG001
      value
      3
    3. group Id
      OG002
      value
      5
    4. group Id
      OG003
      value
      5
    units
    Participants
description
DLT was defined as any of the protocol specified TEAEs that occurred during the 21-day. DLT treatment/observation period (including the pre-dose tests on Day 22/Week 4 Day 1) and that were considered at least possibly related to study treatment by the investigator. Protocol specified DLT TEAE criteria: Grade 4 thrombocytopenia; Grade 3 thrombocytopenia with bleeding (with the exception of brief, easily-controlled epistaxis, mild gum bleeding or normal menses) or with any requirement for platelet transfusions; Grade 4 anemia, unexplained by underlying disease; Grade 4 neutropenia lasting more than 5 days; Febrile neutropenia of any duration ( Absolute Neutrophil Count (ANC) less than (\<) 1.0 \* 10\^9/L. fever greater than (\>) 38.5° Degree Celsius (C); Grade 3 or higher non-hematologic toxicity except for alopecia and nausea controlled by medical management; Grade 3 or 4 hemorrhage.
groups
  1. description
    Participants with advanced relapsed or refractory lymphomas received TTI-621 0.05 mg/kg infusion once weekly until disease progression, unacceptable toxicity, or other reasons for treatment discontinuation occurred.
    id
    OG000
    title
    Part 1: Ontorpacept (PF-07901800/TTI-621) 0.05 mg/kg
  2. description
    Participants with advanced relapsed or refractory lymphomas received TTI-621 0.1 mg/kg infusion once weekly until disease progression, unacceptable toxicity, or other reasons for treatment discontinuation occurred.
    id
    OG001
    title
    Part 1: Ontorpacept (PF-07901800/TTI-621) 0.1 mg/kg
  3. description
    Participants with advanced relapsed or refractory lymphomas received TTI-621 0.2 mg/kg infusion once weekly until disease progression, unacceptable toxicity, or other reasons for treatment discontinuation occurred.
    id
    OG002
    title
    Part 1: Ontorpacept (PF-07901800/TTI-621) 0.2 mg/kg
  4. description
    Participants with advanced relapsed or refractory lymphomas received TTI-621 0.3 mg/kg infusion once weekly until disease progression, unacceptable toxicity, or other reasons for treatment discontinuation occurred.
    id
    OG003
    title
    Part 1: Ontorpacept (PF-07901800/TTI-621) 0.3 mg/kg
param Type
COUNT_OF_PARTICIPANTS
population Description
The DLT-evaluable set included participants who had received all 3 doses within the DLT evaluation period, or participants who experienced an AE, meeting DLT criteria during that time. Here, "Number of Participants Analyzed" refers to participants evaluable for this outcome measure.
reporting Status
POSTED
time Frame
Part 1: Day 1 of dosing up to Pre-dose on Day 22
title
Part 1: Number of Participants With Dose Limiting Toxicities (DLTs)
type
PRIMARY
unit Of Measure
Participants

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Preserved source evidence · Not medical advice