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Efficacy Study of MCS110 Given With Carboplatin and Gemcitabine in Advanced Triple Negative Breast Cancer (TNBC)

A Randomized Phase II Study of MCS110 Combined With Carboplatin and Gemcitabine in Advanced Triple Negative Breast Cancer (TNBC)

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT02435680
Acronym
TNBC
Enrollment
50
Registered
2015-05-06
Start date
2015-08-10
Completion date
2020-03-23
Last updated
2021-06-21

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Advanced Triple Negative Breast Cancer (TNBC) With High TAMs

Keywords

MCS110; carboplatin; gemcitabine; TNBC; TAMs

Brief summary

To determine whether MCS110 antibody therapy improves the efficacy of carboplatin and gemcitabine (carbo/gem) in advanced TNBC patients

Interventions

DRUGMCS110

taken by I.V

DRUGcarboplatin

taken by I.V

DRUGgemcitabine

taken by I.V

Sponsors

Novartis Pharmaceuticals
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
FEMALE
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Adult women (≥ 18 years of age) with advanced TNBC. * Histological or cytological evidence of estrogen-receptor negative (ER-), progesterone receptor negative (PgR-) and human epidermal growth factor-2 receptor negative (HER2-) Breast Cancer by local laboratory testing, based on last available tumor tissue. * ER/PgR negativity to follow local guidelines * If IHC HER2 2+, a negative FISH test is required * A pre-treatment tumor biopsy demonstrating high TAM content as assessed per the central laboratory * Patients must have: At least one measurable lesion per RECIST 1.1. (Note: Measurable lesions include lytic or mixed (lytic + blastic) bone lesions, with an identifiable soft tissue component that meets the measurability criteria)

Exclusion criteria

* Prior chemotherapy for advanced BC. Previous adjuvant/neoadjuvant chemotherapy is allowed (carboplatin, cisplatin or gemcitabine only if \> 12 months has passed since last administration). * Therapy for underlying malignancy within 2 weeks prior to start of study treatment: * Chemotherapy, biologic therapy (antibodies and biologically targeted small molecules) * Radiotherapy * Major surgery * Patients receiving concomitant immunosuppressive agents or chronic corticosteroids (≥10 mg of prednisone or equivalent) at the time of first study dose. * Clinically significant cardiovascular disease such as uncontrolled or symptomatic arrhythmias, congestive heart failure, or myocardial infarction within 6 months of screening. * Known history of human immunodeficiency virus or active infection with hepatitis virus or any uncontrolled active systemic infection. * Patients with the following laboratory values during screening and on Day 1 predose: * Absolute Neutrophil Count (ANC) \< 1.5x109/L * Hemoglobin \< 9 g/dL * Platelets \< 100x109/L * Serum creatinine \> 1.5 x ULN * Serum total bilirubin \> 1.5 x ULN * AST/SGOT and ALT/SGPT \> 3.0 x ULN

Design outcomes

Primary

MeasureTime frameDescription
Progression Free Survival (PFS) as Per RECIST v1.1 (by Local Investigator Assessment)4 yearsPFS Results presented for all MCS110 treated patients (with and without day 8 dose), in line with phase 2 study design.

Secondary

MeasureTime frameDescription
Free MCS110 : Derived Pharmacokinetics (PK) Parameters: Cmaxday 21 (end cycle 1); day 84 (end cycle 4)
Cmax Derived From Plasma Concentration of Carboplatin, Gemcitabine and 2',2'-Difluoro-deoxyuridine (dFdU)day 21, day 84day 21 (end cycle 1); day 84 (end cycle 4)
AUClast Derived From Plasma Concentration of Carboplatin, Gemcitabine and 2',2'-Difluoro-deoxyuridine (dFdU)day 21, day 84day 21 (end cycle 1); day 84 (end cycle 4)
Total Colony Stimulation Factor -1 (CSF-I) Circulating Levelsbaseline, day 1, 4, 15, 22, 43, 64, 85, 106, 127, 148results expressed as a the ratio change from baseline expressed in percentage. Cycle duration is 21 days. These Biomarker Analyses were performed for MCS110 treated patients only.
Serum C-terminal Telopeptide of Type I Collagen (CTX-I)baseline, day 2, 4, 15, 22, 43, 64, 85, 106, 127, 148results expressed as a the ratio change from baseline expressed in percentage. Cycle duration is 21 days. Biomarker Analyses performed for MCS110 treated patients only.
Free MCS110 : Derived Pharmacokinetics (PK) Parameters: AUCtauday 21 (end cycle 1); day 84 (end cycle 4)AUC tau derived from day 0 to 21 (cycle 1) from day 0 to 21 (cycle 4) Cycle duration is 21 days
Tumor Response Per RECIST v1.1 (by Local Investigator Assessment) Duration of Response4 yearsCR: complete response. PR: partial response. SD: stable disease: CBR: clinical benefit rate =CR + PR + SD lasting at least for 6 months. ORR = CR + PR. Efficacy Results presented for all MCS110 treated patients (with and without day 8 dose), in line with phase 2 study design.
Number of Patients With at Least One MCS110 Dose Reduction, and Number of Patients With at Least One MCS110 Dose Interruption4 yearspatients treated with MCS110 only
MCS110 Dose Intensity4 yearsRelative dose intensity by categories. Patients treated with MCS110 only. The dose intensity measures the dose actually taken versus the planned dose, and is expressed in percentage: \<50%: less than 50 % of the planned dose received; 50-\<75 %: dose received is 50% or more, but less than 75 %; 75-\<90 %: dose received is 75% or more, but less than 90%; 90-\<110 %: dose received is 90% or more, but less than 110%
Tumor Associated Macrophage (TAM) and Tumor Infiltrating Lymphocyte (TIL) Content in Pre- and Post-dose Tumor Biopsies.Baseline, Day 29-43results expressed as a the ratio change from baseline expressed in percentage: Biopsies were taken at baseline and between Day 29 and Day 43. Patients treated with MCS110 only
Circulating Monocytes Cells in Bloodday 15, 29, 43, 50Cycle duration is 21 days results expressed in percentage of cells. Only 1 arm reported as results were available for 1 patient only.
Tumor Response Per RECIST v1.1 (by Local Investigator Assessment)4 yearsCR: complete response. PR: partial response. SD: stable disease: CBR: clinical benefit rate =CR + PR + SD lasting at least for 6 months. ORR = CR + PR. Efficacy Results presented for all MCS110 treated patients (with and without day 8 dose), in line with phase 2 study design.

Countries

Australia, Austria, Belgium, France, Germany, Hong Kong, Italy, South Korea, Spain, Taiwan, Turkey (Türkiye), United States

Participant flow

Recruitment details

In total, 50 subjects were enrolled into the study and 49 subjects received study treatment.

Participants by arm

ArmCount
MCS110+Carboplatin+Gemcitabine
experimental. MCS110 10mg/kg intravenous infusion on day 1.
21
MCS110 With C1D8 Dose + Carboplatin +Gemcitabine
experimental.MCS110 10mg/kg intravenous infusion on days 1 & 8
13
Carboplatin+Gemcitabine
comparator. Gemcitabine: Intravenous infusion 1000 mg/m2 Days 1 & 8 Carboplatin: Intravenous infusion AUC 2 Days 1 & 8
16
Total50

Withdrawals & dropouts

PeriodReasonFG000FG001FG002
Overall StudyAdverse Event832
Overall Studynot treated001
Overall StudyPhysician Decision300
Overall Studyprogressive disease10711
Overall Studysubject / guardian decision032

Baseline characteristics

CharacteristicMCS110+Carboplatin+GemcitabineMCS110 With C1D8 Dose + Carboplatin +GemcitabineCarboplatin+GemcitabineTotal
Age, Continuous55.5 years
STANDARD_DEVIATION 13.2
56.2 years
STANDARD_DEVIATION 12.97
55.1 years
STANDARD_DEVIATION 13.2
55.5 years
STANDARD_DEVIATION 12.88
Race/Ethnicity, Customized
Asian
2 Participants2 Participants3 Participants7 Participants
Race/Ethnicity, Customized
Caucasian
15 Participants10 Participants11 Participants36 Participants
Race/Ethnicity, Customized
Other
1 Participants0 Participants1 Participants2 Participants
Race/Ethnicity, Customized
Unknown
3 Participants1 Participants1 Participants5 Participants
Sex: Female, Male
Female
21 Participants13 Participants16 Participants50 Participants
Sex: Female, Male
Male
0 Participants0 Participants0 Participants0 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
EG003
affected / at risk
EG004
affected / at risk
deaths
Total, all-cause mortality
1 / 191 / 152 / 341 / 153 / 49
other
Total, other adverse events
19 / 1915 / 1534 / 3415 / 1549 / 49
serious
Total, serious adverse events
10 / 197 / 1517 / 341 / 1518 / 49

Outcome results

Primary

Progression Free Survival (PFS) as Per RECIST v1.1 (by Local Investigator Assessment)

PFS Results presented for all MCS110 treated patients (with and without day 8 dose), in line with phase 2 study design.

Time frame: 4 years

Population: full analysis set: all MCS110 treated patients versus comparator

ArmMeasureValue (MEDIAN)
All MCS110+Carboplatin+GemcitabineProgression Free Survival (PFS) as Per RECIST v1.1 (by Local Investigator Assessment)5.6 months
Carboplatin+GemcitabineProgression Free Survival (PFS) as Per RECIST v1.1 (by Local Investigator Assessment)5.5 months
Secondary

AUClast Derived From Plasma Concentration of Carboplatin, Gemcitabine and 2',2'-Difluoro-deoxyuridine (dFdU)

day 21 (end cycle 1); day 84 (end cycle 4)

Time frame: day 21, day 84

Population: pharmacokinetic analysis set

ArmMeasureGroupValue (GEOMETRIC_MEAN)Dispersion
All MCS110+Carboplatin+GemcitabineAUClast Derived From Plasma Concentration of Carboplatin, Gemcitabine and 2',2'-Difluoro-deoxyuridine (dFdU)AUC Carboplatin Day 2124500 hours * nanogram /mLGeometric Coefficient of Variation 31.1
All MCS110+Carboplatin+GemcitabineAUClast Derived From Plasma Concentration of Carboplatin, Gemcitabine and 2',2'-Difluoro-deoxyuridine (dFdU)AUC Carboplatin Day 8418300 hours * nanogram /mLGeometric Coefficient of Variation 21.8
All MCS110+Carboplatin+GemcitabineAUClast Derived From Plasma Concentration of Carboplatin, Gemcitabine and 2',2'-Difluoro-deoxyuridine (dFdU)AUC Gemcitabine Day 212390 hours * nanogram /mLGeometric Coefficient of Variation 157.3
All MCS110+Carboplatin+GemcitabineAUClast Derived From Plasma Concentration of Carboplatin, Gemcitabine and 2',2'-Difluoro-deoxyuridine (dFdU)AUC Gemcitabine Day 842410 hours * nanogram /mLGeometric Coefficient of Variation 115.2
All MCS110+Carboplatin+GemcitabineAUClast Derived From Plasma Concentration of Carboplatin, Gemcitabine and 2',2'-Difluoro-deoxyuridine (dFdU)AUC dFdU Day 21230000 hours * nanogram /mLGeometric Coefficient of Variation 34.7
All MCS110+Carboplatin+GemcitabineAUClast Derived From Plasma Concentration of Carboplatin, Gemcitabine and 2',2'-Difluoro-deoxyuridine (dFdU)AUC dFdU Day 84229000 hours * nanogram /mLGeometric Coefficient of Variation 31.9
Carboplatin+GemcitabineAUClast Derived From Plasma Concentration of Carboplatin, Gemcitabine and 2',2'-Difluoro-deoxyuridine (dFdU)AUC dFdU Day 84147000 hours * nanogram /mLGeometric Coefficient of Variation 28.7
Carboplatin+GemcitabineAUClast Derived From Plasma Concentration of Carboplatin, Gemcitabine and 2',2'-Difluoro-deoxyuridine (dFdU)AUC Carboplatin Day 2121400 hours * nanogram /mLGeometric Coefficient of Variation 27.3
Carboplatin+GemcitabineAUClast Derived From Plasma Concentration of Carboplatin, Gemcitabine and 2',2'-Difluoro-deoxyuridine (dFdU)AUC Gemcitabine Day 842770 hours * nanogram /mLGeometric Coefficient of Variation 118.8
Carboplatin+GemcitabineAUClast Derived From Plasma Concentration of Carboplatin, Gemcitabine and 2',2'-Difluoro-deoxyuridine (dFdU)AUC dFdU Day 21181000 hours * nanogram /mLGeometric Coefficient of Variation 37.7
Carboplatin+GemcitabineAUClast Derived From Plasma Concentration of Carboplatin, Gemcitabine and 2',2'-Difluoro-deoxyuridine (dFdU)AUC Carboplatin Day 8417500 hours * nanogram /mLGeometric Coefficient of Variation 25
Carboplatin+GemcitabineAUClast Derived From Plasma Concentration of Carboplatin, Gemcitabine and 2',2'-Difluoro-deoxyuridine (dFdU)AUC Gemcitabine Day 214270 hours * nanogram /mLGeometric Coefficient of Variation 79.3
Carboplatin+GemcitabineAUClast Derived From Plasma Concentration of Carboplatin, Gemcitabine and 2',2'-Difluoro-deoxyuridine (dFdU)AUC Carboplatin Day 8420500 hours * nanogram /mLGeometric Coefficient of Variation 34.6
Carboplatin+GemcitabineAUClast Derived From Plasma Concentration of Carboplatin, Gemcitabine and 2',2'-Difluoro-deoxyuridine (dFdU)AUC Gemcitabine Day 212620 hours * nanogram /mLGeometric Coefficient of Variation 225.5
Carboplatin+GemcitabineAUClast Derived From Plasma Concentration of Carboplatin, Gemcitabine and 2',2'-Difluoro-deoxyuridine (dFdU)AUC dFdU Day 84211000 hours * nanogram /mLGeometric Coefficient of Variation 24.7
Carboplatin+GemcitabineAUClast Derived From Plasma Concentration of Carboplatin, Gemcitabine and 2',2'-Difluoro-deoxyuridine (dFdU)AUC Gemcitabine Day 846320 hours * nanogram /mLGeometric Coefficient of Variation 76.2
Carboplatin+GemcitabineAUClast Derived From Plasma Concentration of Carboplatin, Gemcitabine and 2',2'-Difluoro-deoxyuridine (dFdU)AUC Carboplatin Day 2121800 hours * nanogram /mLGeometric Coefficient of Variation 56
Carboplatin+GemcitabineAUClast Derived From Plasma Concentration of Carboplatin, Gemcitabine and 2',2'-Difluoro-deoxyuridine (dFdU)AUC dFdU Day 21231000 hours * nanogram /mLGeometric Coefficient of Variation 25.2
Secondary

Circulating Monocytes Cells in Blood

Cycle duration is 21 days results expressed in percentage of cells. Only 1 arm reported as results were available for 1 patient only.

Time frame: day 15, 29, 43, 50

Population: safety set: only 1 patient with data collected

ArmMeasureGroupValue (NUMBER)
All MCS110+Carboplatin+GemcitabineCirculating Monocytes Cells in Bloodday 15 CD14+CD16-43.5 percentage
All MCS110+Carboplatin+GemcitabineCirculating Monocytes Cells in Bloodday 15 CD14+CD16+54.8 percentage
All MCS110+Carboplatin+GemcitabineCirculating Monocytes Cells in Bloodday 29 (cycle 2 day 8) CD14+CD16-86.6 percentage
All MCS110+Carboplatin+GemcitabineCirculating Monocytes Cells in Bloodday 29 (cycle 2 day 8) CD14+CD16+12.2 percentage
All MCS110+Carboplatin+GemcitabineCirculating Monocytes Cells in Bloodday 43 (cycle 3 day 1) CD14+CD16-9.1 percentage
All MCS110+Carboplatin+GemcitabineCirculating Monocytes Cells in Bloodday 43 (cycle 3 day 1) CD14+CD16+89.7 percentage
All MCS110+Carboplatin+GemcitabineCirculating Monocytes Cells in Bloodday 50 (cycle 3 day 8) CD14+CD16-86 percentage
All MCS110+Carboplatin+GemcitabineCirculating Monocytes Cells in Bloodday 50 (cycle 3 day 8) CD14+CD16+10 percentage
Secondary

Cmax Derived From Plasma Concentration of Carboplatin, Gemcitabine and 2',2'-Difluoro-deoxyuridine (dFdU)

day 21 (end cycle 1); day 84 (end cycle 4)

Time frame: day 21, day 84

Population: pharmacokinetic analysis set

ArmMeasureGroupValue (GEOMETRIC_MEAN)Dispersion
All MCS110+Carboplatin+GemcitabineCmax Derived From Plasma Concentration of Carboplatin, Gemcitabine and 2',2'-Difluoro-deoxyuridine (dFdU)Cmax Carboplatin Day 2112400 nanogram /mLGeometric Coefficient of Variation 37.3
All MCS110+Carboplatin+GemcitabineCmax Derived From Plasma Concentration of Carboplatin, Gemcitabine and 2',2'-Difluoro-deoxyuridine (dFdU)Cmax Carboplatin Day 849550 nanogram /mLGeometric Coefficient of Variation 33
All MCS110+Carboplatin+GemcitabineCmax Derived From Plasma Concentration of Carboplatin, Gemcitabine and 2',2'-Difluoro-deoxyuridine (dFdU)Cmax Gemcitabine Day 212750 nanogram /mLGeometric Coefficient of Variation 194.5
All MCS110+Carboplatin+GemcitabineCmax Derived From Plasma Concentration of Carboplatin, Gemcitabine and 2',2'-Difluoro-deoxyuridine (dFdU)Cmax Gemcitabine Day 842470 nanogram /mLGeometric Coefficient of Variation 227.3
All MCS110+Carboplatin+GemcitabineCmax Derived From Plasma Concentration of Carboplatin, Gemcitabine and 2',2'-Difluoro-deoxyuridine (dFdU)Cmax dFdU Day 2139100 nanogram /mLGeometric Coefficient of Variation 21.6
All MCS110+Carboplatin+GemcitabineCmax Derived From Plasma Concentration of Carboplatin, Gemcitabine and 2',2'-Difluoro-deoxyuridine (dFdU)Cmax dFdU Day 8436600 nanogram /mLGeometric Coefficient of Variation 88.6
Carboplatin+GemcitabineCmax Derived From Plasma Concentration of Carboplatin, Gemcitabine and 2',2'-Difluoro-deoxyuridine (dFdU)Cmax dFdU Day 8430300 nanogram /mLGeometric Coefficient of Variation 11.8
Carboplatin+GemcitabineCmax Derived From Plasma Concentration of Carboplatin, Gemcitabine and 2',2'-Difluoro-deoxyuridine (dFdU)Cmax Carboplatin Day 2112500 nanogram /mLGeometric Coefficient of Variation 33.2
Carboplatin+GemcitabineCmax Derived From Plasma Concentration of Carboplatin, Gemcitabine and 2',2'-Difluoro-deoxyuridine (dFdU)Cmax Gemcitabine Day 843400 nanogram /mLGeometric Coefficient of Variation 173.9
Carboplatin+GemcitabineCmax Derived From Plasma Concentration of Carboplatin, Gemcitabine and 2',2'-Difluoro-deoxyuridine (dFdU)Cmax dFdU Day 2133900 nanogram /mLGeometric Coefficient of Variation 19.5
Carboplatin+GemcitabineCmax Derived From Plasma Concentration of Carboplatin, Gemcitabine and 2',2'-Difluoro-deoxyuridine (dFdU)Cmax Carboplatin Day 8410000 nanogram /mLGeometric Coefficient of Variation 28.9
Carboplatin+GemcitabineCmax Derived From Plasma Concentration of Carboplatin, Gemcitabine and 2',2'-Difluoro-deoxyuridine (dFdU)Cmax Gemcitabine Day 215480 nanogram /mLGeometric Coefficient of Variation 95.1
Carboplatin+GemcitabineCmax Derived From Plasma Concentration of Carboplatin, Gemcitabine and 2',2'-Difluoro-deoxyuridine (dFdU)Cmax Carboplatin Day 8411600 nanogram /mLGeometric Coefficient of Variation 55
Carboplatin+GemcitabineCmax Derived From Plasma Concentration of Carboplatin, Gemcitabine and 2',2'-Difluoro-deoxyuridine (dFdU)Cmax Gemcitabine Day 212370 nanogram /mLGeometric Coefficient of Variation 484.9
Carboplatin+GemcitabineCmax Derived From Plasma Concentration of Carboplatin, Gemcitabine and 2',2'-Difluoro-deoxyuridine (dFdU)Cmax dFdU Day 8432300 nanogram /mLGeometric Coefficient of Variation 12.4
Carboplatin+GemcitabineCmax Derived From Plasma Concentration of Carboplatin, Gemcitabine and 2',2'-Difluoro-deoxyuridine (dFdU)Cmax Gemcitabine Day 848630 nanogram /mLGeometric Coefficient of Variation 101.2
Carboplatin+GemcitabineCmax Derived From Plasma Concentration of Carboplatin, Gemcitabine and 2',2'-Difluoro-deoxyuridine (dFdU)Cmax Carboplatin Day 2111200 nanogram /mLGeometric Coefficient of Variation 70.9
Carboplatin+GemcitabineCmax Derived From Plasma Concentration of Carboplatin, Gemcitabine and 2',2'-Difluoro-deoxyuridine (dFdU)Cmax dFdU Day 2137700 nanogram /mLGeometric Coefficient of Variation 28.2
Secondary

Free MCS110 : Derived Pharmacokinetics (PK) Parameters: AUCtau

AUC tau derived from day 0 to 21 (cycle 1) from day 0 to 21 (cycle 4) Cycle duration is 21 days

Time frame: day 21 (end cycle 1); day 84 (end cycle 4)

Population: pharmacokinetic analysis set

ArmMeasureGroupValue (GEOMETRIC_MEAN)Dispersion
All MCS110+Carboplatin+GemcitabineFree MCS110 : Derived Pharmacokinetics (PK) Parameters: AUCtauday 211430 day * microgram / mLGeometric Coefficient of Variation 23.5
All MCS110+Carboplatin+GemcitabineFree MCS110 : Derived Pharmacokinetics (PK) Parameters: AUCtauday 841840 day * microgram / mLGeometric Coefficient of Variation 34.9
Carboplatin+GemcitabineFree MCS110 : Derived Pharmacokinetics (PK) Parameters: AUCtauday 212960 day * microgram / mLGeometric Coefficient of Variation 22.7
Carboplatin+GemcitabineFree MCS110 : Derived Pharmacokinetics (PK) Parameters: AUCtauday 843240 day * microgram / mLGeometric Coefficient of Variation 30
Secondary

Free MCS110 : Derived Pharmacokinetics (PK) Parameters: Cmax

Time frame: day 21 (end cycle 1); day 84 (end cycle 4)

Population: pharmacokinetic analysis set

ArmMeasureGroupValue (GEOMETRIC_MEAN)Dispersion
All MCS110+Carboplatin+GemcitabineFree MCS110 : Derived Pharmacokinetics (PK) Parameters: Cmaxday 21186 microgram / mLGeometric Coefficient of Variation 28.5
All MCS110+Carboplatin+GemcitabineFree MCS110 : Derived Pharmacokinetics (PK) Parameters: Cmaxday 84240 microgram / mLGeometric Coefficient of Variation 14.8
Carboplatin+GemcitabineFree MCS110 : Derived Pharmacokinetics (PK) Parameters: Cmaxday 21281 microgram / mLGeometric Coefficient of Variation 21.2
Carboplatin+GemcitabineFree MCS110 : Derived Pharmacokinetics (PK) Parameters: Cmaxday 84319 microgram / mLGeometric Coefficient of Variation 27.8
Secondary

MCS110 Dose Intensity

Relative dose intensity by categories. Patients treated with MCS110 only. The dose intensity measures the dose actually taken versus the planned dose, and is expressed in percentage: \<50%: less than 50 % of the planned dose received; 50-\<75 %: dose received is 50% or more, but less than 75 %; 75-\<90 %: dose received is 75% or more, but less than 90%; 90-\<110 %: dose received is 90% or more, but less than 110%

Time frame: 4 years

Population: Safety set - MCS110 treated patients only

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
All MCS110+Carboplatin+GemcitabineMCS110 Dose Intensity<50%1 Participants
All MCS110+Carboplatin+GemcitabineMCS110 Dose Intensity50-<75%8 Participants
All MCS110+Carboplatin+GemcitabineMCS110 Dose Intensity75-<90%7 Participants
All MCS110+Carboplatin+GemcitabineMCS110 Dose Intensity90-<110%3 Participants
Carboplatin+GemcitabineMCS110 Dose Intensity90-<110%3 Participants
Carboplatin+GemcitabineMCS110 Dose Intensity<50%4 Participants
Carboplatin+GemcitabineMCS110 Dose Intensity75-<90%5 Participants
Carboplatin+GemcitabineMCS110 Dose Intensity50-<75%3 Participants
Secondary

Number of Patients With at Least One MCS110 Dose Reduction, and Number of Patients With at Least One MCS110 Dose Interruption

patients treated with MCS110 only

Time frame: 4 years

Population: Safety set - MCS110 treated patients only

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
All MCS110+Carboplatin+GemcitabineNumber of Patients With at Least One MCS110 Dose Reduction, and Number of Patients With at Least One MCS110 Dose InterruptionMCS110 dose reduction3 Participants
All MCS110+Carboplatin+GemcitabineNumber of Patients With at Least One MCS110 Dose Reduction, and Number of Patients With at Least One MCS110 Dose InterruptionMCS110 dose interruption6 Participants
Carboplatin+GemcitabineNumber of Patients With at Least One MCS110 Dose Reduction, and Number of Patients With at Least One MCS110 Dose InterruptionMCS110 dose reduction5 Participants
Carboplatin+GemcitabineNumber of Patients With at Least One MCS110 Dose Reduction, and Number of Patients With at Least One MCS110 Dose InterruptionMCS110 dose interruption9 Participants
Secondary

Serum C-terminal Telopeptide of Type I Collagen (CTX-I)

results expressed as a the ratio change from baseline expressed in percentage. Cycle duration is 21 days. Biomarker Analyses performed for MCS110 treated patients only.

Time frame: baseline, day 2, 4, 15, 22, 43, 64, 85, 106, 127, 148

Population: Safety set - MCS110 treated patients only

ArmMeasureGroupValue (MEAN)Dispersion
All MCS110+Carboplatin+GemcitabineSerum C-terminal Telopeptide of Type I Collagen (CTX-I)Day 279.4 % change from baselineStandard Deviation 22.8
All MCS110+Carboplatin+GemcitabineSerum C-terminal Telopeptide of Type I Collagen (CTX-I)Day 472.5 % change from baselineStandard Deviation 25.4
All MCS110+Carboplatin+GemcitabineSerum C-terminal Telopeptide of Type I Collagen (CTX-I)Day 1565.6 % change from baselineStandard Deviation 44.3
All MCS110+Carboplatin+GemcitabineSerum C-terminal Telopeptide of Type I Collagen (CTX-I)Day 22 (cycle 2 day 1)67.9 % change from baselineStandard Deviation 43.6
All MCS110+Carboplatin+GemcitabineSerum C-terminal Telopeptide of Type I Collagen (CTX-I)Day 43 (cycle 3 day 1)64.3 % change from baselineStandard Deviation 58.7
All MCS110+Carboplatin+GemcitabineSerum C-terminal Telopeptide of Type I Collagen (CTX-I)Day 64 (cycle 4 day 1)69.7 % change from baselineStandard Deviation 62.2
All MCS110+Carboplatin+GemcitabineSerum C-terminal Telopeptide of Type I Collagen (CTX-I)Day 85 (cycle 5 day 1)102 % change from baselineStandard Deviation 124
All MCS110+Carboplatin+GemcitabineSerum C-terminal Telopeptide of Type I Collagen (CTX-I)Day 106 (cycle 6 day 1)41.2 % change from baselineStandard Deviation 13.2
All MCS110+Carboplatin+GemcitabineSerum C-terminal Telopeptide of Type I Collagen (CTX-I)Day 127 (cycle 7 day 1)38.7 % change from baselineStandard Deviation 14.9
All MCS110+Carboplatin+GemcitabineSerum C-terminal Telopeptide of Type I Collagen (CTX-I)Day 148 (cycle 8 day 1)40.5 % change from baselineStandard Deviation 13.7
Carboplatin+GemcitabineSerum C-terminal Telopeptide of Type I Collagen (CTX-I)Day 106 (cycle 6 day 1)50.2 % change from baselineStandard Deviation 45.3
Carboplatin+GemcitabineSerum C-terminal Telopeptide of Type I Collagen (CTX-I)Day 285.0 % change from baselineStandard Deviation 44
Carboplatin+GemcitabineSerum C-terminal Telopeptide of Type I Collagen (CTX-I)Day 64 (cycle 4 day 1)29.5 % change from baselineStandard Deviation 23.7
Carboplatin+GemcitabineSerum C-terminal Telopeptide of Type I Collagen (CTX-I)Day 480.2 % change from baselineStandard Deviation 39.6
Carboplatin+GemcitabineSerum C-terminal Telopeptide of Type I Collagen (CTX-I)Day 148 (cycle 8 day 1)75.3 % change from baselineStandard Deviation 103
Carboplatin+GemcitabineSerum C-terminal Telopeptide of Type I Collagen (CTX-I)Day 1569.4 % change from baselineStandard Deviation 27.4
Carboplatin+GemcitabineSerum C-terminal Telopeptide of Type I Collagen (CTX-I)Day 85 (cycle 5 day 1)40.6 % change from baselineStandard Deviation 34.8
Carboplatin+GemcitabineSerum C-terminal Telopeptide of Type I Collagen (CTX-I)Day 22 (cycle 2 day 1)52.9 % change from baselineStandard Deviation 26.5
Carboplatin+GemcitabineSerum C-terminal Telopeptide of Type I Collagen (CTX-I)Day 127 (cycle 7 day 1)68.7 % change from baselineStandard Deviation 66.5
Carboplatin+GemcitabineSerum C-terminal Telopeptide of Type I Collagen (CTX-I)Day 43 (cycle 3 day 1)39.3 % change from baselineStandard Deviation 23.8
Secondary

Total Colony Stimulation Factor -1 (CSF-I) Circulating Levels

results expressed as a the ratio change from baseline expressed in percentage. Cycle duration is 21 days. These Biomarker Analyses were performed for MCS110 treated patients only.

Time frame: baseline, day 1, 4, 15, 22, 43, 64, 85, 106, 127, 148

Population: Safety set - MCS110 treated patients only

ArmMeasureGroupValue (MEAN)Dispersion
All MCS110+Carboplatin+GemcitabineTotal Colony Stimulation Factor -1 (CSF-I) Circulating LevelsDay 1521600 % change from baselineStandard Deviation 8290
All MCS110+Carboplatin+GemcitabineTotal Colony Stimulation Factor -1 (CSF-I) Circulating LevelsDay 64 (cycle 4 day 1)73600 % change from baselineStandard Deviation 16200
All MCS110+Carboplatin+GemcitabineTotal Colony Stimulation Factor -1 (CSF-I) Circulating LevelsDay 44930 % change from baselineStandard Deviation 2280
All MCS110+Carboplatin+GemcitabineTotal Colony Stimulation Factor -1 (CSF-I) Circulating LevelsDay 85 (cycle 5 day 1)79300 % change from baselineStandard Deviation 27000
All MCS110+Carboplatin+GemcitabineTotal Colony Stimulation Factor -1 (CSF-I) Circulating LevelsDay 22 (cycle 2 day 1)32000 % change from baselineStandard Deviation 9190
All MCS110+Carboplatin+GemcitabineTotal Colony Stimulation Factor -1 (CSF-I) Circulating LevelsDay 106 (cycle 6 day 1)97500 % change from baselineStandard Deviation 15600
All MCS110+Carboplatin+GemcitabineTotal Colony Stimulation Factor -1 (CSF-I) Circulating LevelsDay 1110 % change from baselineStandard Deviation 19.8
All MCS110+Carboplatin+GemcitabineTotal Colony Stimulation Factor -1 (CSF-I) Circulating LevelsDay 43 (cycle 3 day 1)57900 % change from baselineStandard Deviation 14100
All MCS110+Carboplatin+GemcitabineTotal Colony Stimulation Factor -1 (CSF-I) Circulating LevelsDay 148 (cycle 8 day 1)108000 % change from baselineStandard Deviation 30300
All MCS110+Carboplatin+GemcitabineTotal Colony Stimulation Factor -1 (CSF-I) Circulating LevelsDay 127 (cycle 7 day 1)110000 % change from baselineStandard Deviation 33800
Carboplatin+GemcitabineTotal Colony Stimulation Factor -1 (CSF-I) Circulating LevelsDay 148 (cycle 8 day 1)111000 % change from baselineStandard Deviation 58800
Carboplatin+GemcitabineTotal Colony Stimulation Factor -1 (CSF-I) Circulating LevelsDay 1115 % change from baselineStandard Deviation 34.8
Carboplatin+GemcitabineTotal Colony Stimulation Factor -1 (CSF-I) Circulating LevelsDay 44350 % change from baselineStandard Deviation 1620
Carboplatin+GemcitabineTotal Colony Stimulation Factor -1 (CSF-I) Circulating LevelsDay 1519500 % change from baselineStandard Deviation 6130
Carboplatin+GemcitabineTotal Colony Stimulation Factor -1 (CSF-I) Circulating LevelsDay 22 (cycle 2 day 1)34400 % change from baselineStandard Deviation 14900
Carboplatin+GemcitabineTotal Colony Stimulation Factor -1 (CSF-I) Circulating LevelsDay 43 (cycle 3 day 1)70000 % change from baselineStandard Deviation 27400
Carboplatin+GemcitabineTotal Colony Stimulation Factor -1 (CSF-I) Circulating LevelsDay 64 (cycle 4 day 1)78000 % change from baselineStandard Deviation 41200
Carboplatin+GemcitabineTotal Colony Stimulation Factor -1 (CSF-I) Circulating LevelsDay 85 (cycle 5 day 1)107000 % change from baselineStandard Deviation 51400
Carboplatin+GemcitabineTotal Colony Stimulation Factor -1 (CSF-I) Circulating LevelsDay 106 (cycle 6 day 1)103000 % change from baselineStandard Deviation 50700
Carboplatin+GemcitabineTotal Colony Stimulation Factor -1 (CSF-I) Circulating LevelsDay 127 (cycle 7 day 1)109000 % change from baselineStandard Deviation 40100
Secondary

Tumor Associated Macrophage (TAM) and Tumor Infiltrating Lymphocyte (TIL) Content in Pre- and Post-dose Tumor Biopsies.

results expressed as a the ratio change from baseline expressed in percentage: Biopsies were taken at baseline and between Day 29 and Day 43. Patients treated with MCS110 only

Time frame: Baseline, Day 29-43

Population: Safety set - MCS110 treated patients only

ArmMeasureGroupValue (GEOMETRIC_MEAN)Dispersion
All MCS110+Carboplatin+GemcitabineTumor Associated Macrophage (TAM) and Tumor Infiltrating Lymphocyte (TIL) Content in Pre- and Post-dose Tumor Biopsies.CD16342.1 % change from baselineGeometric Coefficient of Variation 62.1
All MCS110+Carboplatin+GemcitabineTumor Associated Macrophage (TAM) and Tumor Infiltrating Lymphocyte (TIL) Content in Pre- and Post-dose Tumor Biopsies.CD8102 % change from baselineGeometric Coefficient of Variation 747.3
Carboplatin+GemcitabineTumor Associated Macrophage (TAM) and Tumor Infiltrating Lymphocyte (TIL) Content in Pre- and Post-dose Tumor Biopsies.CD16343.5 % change from baselineGeometric Coefficient of Variation 239.5
Carboplatin+GemcitabineTumor Associated Macrophage (TAM) and Tumor Infiltrating Lymphocyte (TIL) Content in Pre- and Post-dose Tumor Biopsies.CD899.0 % change from baselineGeometric Coefficient of Variation 92.2
Secondary

Tumor Response Per RECIST v1.1 (by Local Investigator Assessment)

CR: complete response. PR: partial response. SD: stable disease: CBR: clinical benefit rate =CR + PR + SD lasting at least for 6 months. ORR = CR + PR. Efficacy Results presented for all MCS110 treated patients (with and without day 8 dose), in line with phase 2 study design.

Time frame: 4 years

Population: full analysis set: all MCS110 treated patients versus comparator

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
All MCS110+Carboplatin+GemcitabineTumor Response Per RECIST v1.1 (by Local Investigator Assessment)SD19 Participants
All MCS110+Carboplatin+GemcitabineTumor Response Per RECIST v1.1 (by Local Investigator Assessment)unknown2 Participants
All MCS110+Carboplatin+GemcitabineTumor Response Per RECIST v1.1 (by Local Investigator Assessment)Non-CR/ Non-progressive disease1 Participants
All MCS110+Carboplatin+GemcitabineTumor Response Per RECIST v1.1 (by Local Investigator Assessment)clinical benefit rate10 Participants
All MCS110+Carboplatin+GemcitabineTumor Response Per RECIST v1.1 (by Local Investigator Assessment)progressive disease4 Participants
All MCS110+Carboplatin+GemcitabineTumor Response Per RECIST v1.1 (by Local Investigator Assessment)ORR8 Participants
All MCS110+Carboplatin+GemcitabineTumor Response Per RECIST v1.1 (by Local Investigator Assessment)PR8 Participants
Carboplatin+GemcitabineTumor Response Per RECIST v1.1 (by Local Investigator Assessment)ORR6 Participants
Carboplatin+GemcitabineTumor Response Per RECIST v1.1 (by Local Investigator Assessment)PR6 Participants
Carboplatin+GemcitabineTumor Response Per RECIST v1.1 (by Local Investigator Assessment)Non-CR/ Non-progressive disease0 Participants
Carboplatin+GemcitabineTumor Response Per RECIST v1.1 (by Local Investigator Assessment)SD7 Participants
Carboplatin+GemcitabineTumor Response Per RECIST v1.1 (by Local Investigator Assessment)progressive disease1 Participants
Carboplatin+GemcitabineTumor Response Per RECIST v1.1 (by Local Investigator Assessment)unknown2 Participants
Carboplatin+GemcitabineTumor Response Per RECIST v1.1 (by Local Investigator Assessment)clinical benefit rate7 Participants
Secondary

Tumor Response Per RECIST v1.1 (by Local Investigator Assessment) Duration of Response

CR: complete response. PR: partial response. SD: stable disease: CBR: clinical benefit rate =CR + PR + SD lasting at least for 6 months. ORR = CR + PR. Efficacy Results presented for all MCS110 treated patients (with and without day 8 dose), in line with phase 2 study design.

Time frame: 4 years

Population: full analysis set: all MCS110 treated patients versus comparator

ArmMeasureValue (MEDIAN)
All MCS110+Carboplatin+GemcitabineTumor Response Per RECIST v1.1 (by Local Investigator Assessment) Duration of Response9.6 months
Carboplatin+GemcitabineTumor Response Per RECIST v1.1 (by Local Investigator Assessment) Duration of Response5 months

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026