Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)
| Group | Value (Participants) |
|---|---|
| Figitumumab 20mg/kg + Pegvisomant 10 mg | 17 |
| Figitumumab 20mg/kg + Pegvisomant 20 mg | 6 |
Trial · Interventional
TerminatedPhase 1Results postedRegistry dataThis trial was stopped early.
Reason given at the registry: See termination reason in detailed description.
Results were posted for this trial.
United States, Canada, Finland, Germany
1 trial · 1 stopped early · 1 with posted results
Text and fields below are the sponsor's entries at ClinicalTrials.gov, shown as posted.
This is a Phase 1 study investigating the safety and tolerability of Figitumumab plus Pegvisomant for treatment of advanced solid tumors.
Experimental
1
Outcomes the sponsor listed as primary.
Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)
Time frame · From Screening to the follow-up visit (90 days after last dose of figitimumab)
Counts of participants who had treatment-emergent adverse events (TEAEs), defined as newly occurring or worsening after first dose. AEs were graded using National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE), version 3.0 (Grade \[Gr\] 1=Mild, Gr 2=Moderate, Gr 3=Severe, Gr 4=Life-threatening or disabling, Gr 5=Death). Relatedness to \[study drug\] was assessed by the investigator (Yes/No). Participants with multiple occurrences of an AE within a category were counted once within the category.
Number of Participants With Dose Limiting Toxicities (DLT)
Time frame · From Cycle 2, Day 1 to Cycle 3, Day 8; from Cycle 1, Day 15 to end of Cycle 2
DLT was defined as any of the following events occurring during DLT period and considered related to study medication: Grade (Gr) 4 neutropenia lasting \>=7 days, febrile neutropenia (Gr 3 or 4 neutropenia, fever \>=38.5 degrees Celsius, lasting over 24 hours), neutropenic infection (Gr \>=3 neutropenia, infection); Gr 3 or 4 thrombocytopenia associated with bleeding or Gr 4 thrombocytopenia \>=7 days; Gr 3 or 4 lymphopeniab accompanied by an opportunistic infection; other non-hematologic Grade 4 toxicities or symptomatic Gr 3 toxicities that require medical intervention and 14 days to resolve.
Serum Circulating Insulin-like Growth Factor (IGF-1) Levels
Time frame · Days 1 and 15 of Cycle 1 (Baseline); Day 1 of subsequent cycles starting from Cycle 2 to Cycle 27; end of treatment (21 days after last dose of figitumumab); follow-up visit (90 days after last dose of figitumumab)
The effect of the combined therapy with figitumumab and pegvisomant on circulating concentrations of total IGF-1 was assessed.
Cycle 1: Maximum Observed Plasma Concentration (Cmax) of Figitumumab
Time frame · Cycle 1: Day 1 (within 2 hours before figitumumab infusion), Day 2 (1 hour post figitumumab infusion), Day 8 and Day 15
Maximum Observed Plasma Concentration (Cmax) of Figitumumab
Time frame · Cycle 2: Day 1 (within 2 hours before and 1 hour after figitumumab infusion); Cycle 3 to Cycle 17: Day 1 (within 2 hours before figitumumab infusion); end of treatment; 90-day follow-up visit
Cycle 1: Plasma Concentration at the Last Quantifiable Time Point (Clast) of Figitumumab
Time frame · Cycle 1: Day 1 (within 2 hours before figitumumab infusion), Day 2 (1 hour post figitumumab infusion), Day 8 and Day 15
Plasma Concentration at the Last Quantifiable Time Point (Clast) of Figitumumab
Time frame · Cycle 2: Day 1 (within 2 hours before and 1 hour after figitumumab infusion); Cycle 3 to Cycle 17: Day 1 (within 2 hours before figitumumab infusion); end of treatment; 90-day follow-up visit
Plasma Concentration at the Last Quantifiable Time Point (Clast) of Figitumumab from Cycle 2 to the end of treatment.
Cycle 1: Area Under the Curve From Time Zero to Last Quantifiable Concentration (AUClast) of Figitumumab
Time frame · Days 1, 2, 8 and 15 of Cycle 1; Day 1 of subsequent cycle starting from Cycle 2 (up to Cycle 17); end of treatment ( 21 days after last dose of figitumumab); follow-up visit (90 days after last dose of figitumumab)
Area under the plasma concentration time-curve from zero to the last measured concentration (AUClast) of figitumumab in cycle 1.
Area Under the Curve From Time Zero to Last Quantifiable Concentration (AUClast)of Figitumumab
Time frame · Cycle 2: Day 1 (within 2 hours before and 1 hour after figitumumab infusion); Cycle 3 to Cycle 17: Day 1 (within 2 hours before figitumumab infusion); end of treatment; 90-day follow-up visit
Area under the plasma concentration time-curve from zero to the last measured concentration (AUClast)of figitumumab after Cycle 1
Area Under the Trough Concentrations (AUCtrough)
Time frame · Cycle 1: Day 15 (within 2 hours before loading dose), Day 16 (within 2 hours pre-SC dose); Cycle 2: Days 1, 8 and 15 (within 2 hours pre-SC dose); Cycle 3 up to Cycle 17: Day 1 (within 2 hours pre-SC dose); end of treatment; 90-day follow-up visit
The trough concentration-time profile (AUCtrough) of pegvisomant was to be analyzed by noncompartmental methods.
Mean Change in Glucose Levels Between Fasting and Post Glucose Load
Time frame · Screening; Day 8 of Cycle 1; Day 15 of Cycle 2
The effect of combining figitumumab with pegvisomant was analyzed to assess whether pegvisomant reverses figitumumab-induced glucose intolerance at various pegvisomant dose levels. The change in glucose load was assessed by Glucose Tolerance Testing (GTT) at baseline (fasting), during Cycle 1 following administration of figitumumab alone (post load), and near the end of Cycle 2 (post load) following combined therapy with figitumumab and pegvisomant.
Percentage of Participants Reporting Positive Anti-Drug Antibodies (ADA) Response for Figitumumab
Time frame · Day 1 of Cycles 1 and 4; end of treatment (21 days after last dose of figitumumab); follow-up visit (90 days after last dose of figitumumab)
Percentage of participants with positive total or neutralizing ADA for figitumumab.
Number of Participants With Objective Response
Time frame · From Screening, odd numbered cycles (predose, Cycle 3, 5, 7 etc.) up to Cycle 27 or end of treatment visit (21 days after last dose of figitumumab)
Number of participants with objective response based on assessment of confirmed complete response (CR) or confirmed partial response (PR) according to Response Evaluation Criteria in Solid Tumors (RECIST)version 1.1. Confirmed CR defined as disappearance of all target lesions. Confirmed PR defined as ≥30% decrease in sum of the longest dimensions (LD) of the target lesions taking as a reference the baseline sum LD according to RECIST version 1.1. Confirmed responses are those that persist on repeat imaging study ≥4 weeks after initial documentation of response.
Values are shown as posted at ClinicalTrials.gov, with their units. PepBank has not converted, pooled or compared them.
| Group | Value (Participants) |
|---|---|
| Figitumumab 20mg/kg + Pegvisomant 10 mg | 17 |
| Figitumumab 20mg/kg + Pegvisomant 20 mg | 6 |
| Group | Value (participants) |
|---|---|
| Figitumumab 20 mg/kg + Pegvisomant 10 mg | 1 |
| Figitumumab 20mg/kg + Pegvisomant 20 mg | 0 |
| Group | Value (nanogram/milliliter (ng/mL)) | Spread |
|---|---|---|
| Figitumumab 20 mg/kg + Pegvisomant 10 mg | 150.18 | 77.06 |
| Figitumumab 20mg/kg + Pegvisomant 20 mg | 189.17 | 59.79 |
| Group | Value |
|---|---|
| Figitumumab 20 mg/kg + Pegvisomant 10 mg | not posted |
| Figitumumab 20mg/kg + Pegvisomant 20 mg | not posted |
| Group | Value |
|---|---|
| Figitumumab 20 mg/kg + Pegvisomant 10 mg | not posted |
| Figitumumab 20mg/kg + Pegvisomant 20 mg | not posted |
| Group | Value |
|---|---|
| Figitumumab 20 mg/kg + Pegvisomant 10 mg | not posted |
| Figitumumab 20mg/kg + Pegvisomant 20 mg | not posted |
| Group | Value |
|---|---|
| Figitumumab 20 mg/kg + Pegvisomant 10 mg | not posted |
| Figitumumab 20mg/kg + Pegvisomant 20 mg | not posted |
| Group | Value |
|---|---|
| Figitumumab 20 mg/kg + Pegvisomant 10 mg | not posted |
| Figitumumab 20 mg/kg + Pegvisomant 20 mg | not posted |
| Group | Deaths | Serious events | Other events |
|---|---|---|---|
| Figitumumab 20 mg/kg + Pegvisomant 10 mgFigitumumab 20 milligram/kilogram (mg/kg) intravenously over 1 to 2.5 hours on Day 1 and 2 of Cycle 1 and on Day 1 of subsequent cycles, up to a maximum of 17 cycles (corresponding to 1 year). Pegvisomant 40 mg subcutaneously on Day 15 of Cycle 1 or Day 1 of Cycle 2 and thereafter pegvisomant 10 mg subcutaneously once daily up to a maximum of 17 cycles (corresponding to 1 year). Each cycle was of 21 days. | – | 9 / 17 | 17 / 17 |
| Figitumumab 20 mg/kg + Pegvisomant 20 mgFigitumumab 20 milligram/kilogram (mg/kg) intravenously over 1 to 2.5 hours on Day 1 and 2 of Cycle 1 and on Day 1 of subsequent cycles (up to total duration of 27 cycles). Pegvisomant 40 mg subcutaneously on Day 15 of Cycle 1 or Day 1 of Cycle 2 and thereafter pegvisomant 20 mg subcutaneously once daily up to total duration of 27 cycles. Each cycle was of 21 days. | – | 4 / 6 | 6 / 6 |
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