18 and older, any sex, with Advanced Solid Tumors. Patients with the condition only — healthy volunteers not accepted.
Results — posted to ClinicalTrials.gov
Per-arm endpoint measurements with 95% confidence intervals where reported. Source: trial results section.
Number of Participants Who Experienced Dose Limiting Toxicities (DLTs) Assessed Using National Cancer Institute (NCI) Common Toxicity Criteria for Adverse Events (CTCAE) Version 5.0Primary· Day 1 to Day 21 of Cycle 1 (21-day cycle)
A DLT was defined as the occurrence of any of following events that were judged by the study investigator, received at least 80% of the planned cumulative dose during the DLT period of each study intervention and completed the DLT period or additionally, participants who did not receive 80% of the planned total dose of study intervention, but at least 80% dosing of a different dose cohort and finished the DLT period are eligible for the DLT analysis set to be analyzed in the highest dose cohort for which they received 80% of dosing.
Group
Value
95% CI
Part 1A Dose Escalation: M4076 100 mg
0
Part 1A Dose Escalation: M4076 200 mg
1
Part 1A Dose Escalation: M4076 300 mg
1
Part 1A Dose Escalation: M4076 400 mg
2
Number of Participants With Treatment-emergent Adverse Events (TEAEs) and Treatment Related TEAEsPrimary· From the first dose of study drug administration until 30 days after the last dose of study drug administration (up to 603 days)
An Adverse event (AE) was defined as any unfavorable and unintended sign (including an abnormal laboratory finding), symptom, or disease associated with the use of study drug, whether or not considered related to the study drug or worsening of pre-existing medical condition, whether or not related to study drug. A serious adverse event (SAE) was an AE that resulted in any of the following outcomes: death; life threatening; persistent/significant disability/incapacity; initial or prolonged inpatient hospitalization; congenital anomaly/birth defect or was otherwise considered medically important
TEAEs
Group
Value
95% CI
Part 1A Dose Escalation: M4076 100 mg
2
Part 1A Dose Escalation: M4076 200 mg
7
Part 1A Dose Escalation: M4076 300 mg
9
Part 1A Dose Escalation: M4076 400 mg
4
Treatment Related TEAEs
Group
Value
95% CI
Part 1A Dose Escalation: M4076 100 mg
1
Part 1A Dose Escalation: M4076 200 mg
2
Part 1A Dose Escalation: M4076 300 mg
8
Part 1A Dose Escalation: M4076 400 mg
4
Number of Participants With Clinically Significant Changes From Baseline in Vital SignsPrimary· Baseline (Day 1) up to 30 days after the last dose of study drug administration (up to 603 days)
Vital sign assessments included assessments of heart rate, diastolic blood pressure, systolic blood pressure, weight, respiratory rate and temperature. Clinical significance was assessed by the investigator. Number of participants who with clinically significant changes from baseline in vital signs were reported.
Group
Value
95% CI
Part 1A Dose Escalation: M4076 100 mg
0
Part 1A Dose Escalation: M4076 200 mg
0
Part 1A Dose Escalation: M4076 300 mg
0
Part 1A Dose Escalation: M4076 400 mg
0
Number of Participants With Change From Baseline in Laboratory Test Abnormalities to Grade 3 or Higher Severity Based on NCI-CTCAE Version 5.0Primary· Baseline (Day 1) up to 30 days after the last dose of study drug administration (up to 603 days)
The laboratory measurements included hematology and biochemistry values were graded with National Cancer Institute - Common Terminology Criteria for Adverse Events (NCI-CTCAE) version 5.0 toxicity grades (where Grade 1 = mild, Grade 2 = moderate, Grade 3 = severe, Grade 4 = life threatening and Grade 5 = death). Number of participants with change from baseline to grade 3 or higher values for the hematology and biochemistry were reported.
Grade>=3 Alanine Aminotransferase High
Group
Value
95% CI
Part 1A Dose Escalation: M4076 100 mg
0
Part 1A Dose Escalation: M4076 200 mg
0
Part 1A Dose Escalation: M4076 300 mg
0
Part 1A Dose Escalation: M4076 400 mg
1
Grade>=3 Aspartate Aminotransferase High
Group
Value
95% CI
Part 1A Dose Escalation: M4076 100 mg
0
Part 1A Dose Escalation: M4076 200 mg
0
Part 1A Dose Escalation: M4076 300 mg
0
Part 1A Dose Escalation: M4076 400 mg
1
Grade>=3 Alkaline Phosphatase High
Group
Value
95% CI
Part 1A Dose Escalation: M4076 100 mg
0
Part 1A Dose Escalation: M4076 200 mg
0
Part 1A Dose Escalation: M4076 300 mg
0
Part 1A Dose Escalation: M4076 400 mg
1
Grade>=3 Gamma Glutamyl Transferase High
Group
Value
95% CI
Part 1A Dose Escalation: M4076 100 mg
0
Part 1A Dose Escalation: M4076 200 mg
0
Part 1A Dose Escalation: M4076 300 mg
0
Part 1A Dose Escalation: M4076 400 mg
1
Grade>=3 Bilirubin High
Group
Value
95% CI
Part 1A Dose Escalation: M4076 100 mg
0
Part 1A Dose Escalation: M4076 200 mg
1
Part 1A Dose Escalation: M4076 300 mg
0
Part 1A Dose Escalation: M4076 400 mg
0
Grade>=3 Lipase High
Group
Value
95% CI
Part 1A Dose Escalation: M4076 100 mg
0
Part 1A Dose Escalation: M4076 200 mg
1
Part 1A Dose Escalation: M4076 300 mg
0
Part 1A Dose Escalation: M4076 400 mg
0
Grade>=3 Sodium Low
Group
Value
95% CI
Part 1A Dose Escalation: M4076 100 mg
0
Part 1A Dose Escalation: M4076 200 mg
0
Part 1A Dose Escalation: M4076 300 mg
1
Part 1A Dose Escalation: M4076 400 mg
0
Grade>=3 Potassium High
Group
Value
95% CI
Part 1A Dose Escalation: M4076 100 mg
0
Part 1A Dose Escalation: M4076 200 mg
1
Part 1A Dose Escalation: M4076 300 mg
0
Part 1A Dose Escalation: M4076 400 mg
0
Number of Participants With Clinically Significant Changes From Baseline in Electrocardiogram (ECG) ValuesPrimary· Baseline (Day 1) up to 30 days after the last dose of study drug administration (up to 603 days)
ECG parameters included rhythm, heart rate (as measured by RR interval), PR interval, QRS duration, QT intervals, and corrected QT(QTc) intervals. Clinical significance was determined by the investigator. Number of participants with clinically significant change from baseline in 12-lead ECG were reported.
Group
Value
95% CI
Part 1A Dose Escalation: M4076 100 mg
0
Part 1A Dose Escalation: M4076 200 mg
0
Part 1A Dose Escalation: M4076 300 mg
0
Part 1A Dose Escalation: M4076 400 mg
0
Number of Participants With Confirmed Objective Response According to Response Evaluation Criteria in Solid Tumors Version 1.1 (RECIST v1.1) as Assessed by InvestigatorSecondary· Time from first study treatment up to 603 days
Confirmed objective response was defined as the number of participants with a confirmed objective response of complete response (CR) or partial response (PR). CR: Disappearance of all evidence of target and non-target lesions. PR: At least 30% reduction from baseline in the sum of the longest diameter (SLD) of all lesions. Confirmed CR = at least 2 determinations of CR at least 4 weeks apart and before progression. Confirmed PR = at least 2 determinations of PR at least 4 weeks apart and before progression (and not qualifying for a CR).
Group
Value
95% CI
Part 1A Dose Escalation: M4076 100 mg
0
0.00 – 84.19
Part 1A Dose Escalation: M4076 200 mg
0
0.00 – 40.96
Part 1A Dose Escalation: M4076 300 mg
0
0.00 – 33.63
Part 1A Dose Escalation: M4076 400 mg
0
0 – 15.44
Progression-Free Survival (PFS) According to Response Evaluation Criteria in Solid Tumors Version 1.1 (RECIST v1.1) Assessed by InvestigatorsSecondary· Time from the first dose of study intervention until occurrence of PD, death due to any cause or last tumor assessment (assessed up to 603 days)
PFS is defined as the time (in months) from date of first administration of study intervention to the date of the first documentation of progressive disease (PD) or death due to any cause, whichever occurs first. PD is defined as at least a 20 percent (%) increase in the sum of the longest diameter (SLD), taking as reference the smallest SLD recorded from baseline or the appearance of 1 or more new lesions. PFS was to be estimated using Kaplan-Meier (KM) plots.
Group
Value
95% CI
Part 1A Dose Escalation: M4076 100 mg
NA
NA – NA
Part 1A Dose Escalation: M4076 200 mg
1.1
0.20 – 1.58
Part 1A Dose Escalation: M4076 300 mg
1.3
0.69 – 2.60
Part 1A Dose Escalation: M4076 400 mg
NA
1.22 – NA
Area Under the Plasma Concentration-Time Curve From Time Zero to Last Sampling Time (AUClast) of M4076Secondary· Day 1 and Day 8
Area under the plasma concentration vs time curve from time zero to the last sampling time t at which the concentration was at or above the lower limit of quantification (LLOQ). AUC0-tlast was to be calculated according to the mixed log-linear trapezoidal rule.
Day 1
Group
Value
95% CI
Part 1A Dose Escalation: M4076 100 mg
NA
± NA
Part 1A Dose Escalation: M4076 200 mg
37000
± 34.1
Part 1A Dose Escalation: M4076 300 mg
50500
± 45.1
Part 1A Dose Escalation: M4076 400 mg
76600
± 44.3
Day 8
Group
Value
95% CI
Part 1A Dose Escalation: M4076 100 mg
NA
± NA
Part 1A Dose Escalation: M4076 200 mg
36500
± 109.2
Part 1A Dose Escalation: M4076 300 mg
56500
± 67.6
Part 1A Dose Escalation: M4076 400 mg
85900
± 40.8
Area Under Plasma Concentration-Time Curve From Time Zero Extrapolated to Infinity (AUC0-inf) of M4076Secondary· Day 1 and Day 8
The AUC from time zero (dosing time) extrapolated to infinity, based on the predicted value for the concentration at tlast, as estimated using the linear regression from lambda z determination. AUC0-inf = AUC0-tlast +Clast pred/ lambda z (single dose only)
Day 1
Group
Value
95% CI
Part 1A Dose Escalation: M4076 100 mg
NA
± NA
Part 1A Dose Escalation: M4076 200 mg
39200
± 40.3
Part 1A Dose Escalation: M4076 300 mg
44900
± 49.9
Part 1A Dose Escalation: M4076 400 mg
69800
± 20.4
Maximum Observed Plasma Concentration (Cmax) of M4076Secondary· Day 1 and Day 8
Cmax was obtained directly from the concentration versus time curve.
Day 1
Group
Value
95% CI
Part 1A Dose Escalation: M4076 100 mg
NA
± NA
Part 1A Dose Escalation: M4076 200 mg
4080
± 26.5
Part 1A Dose Escalation: M4076 300 mg
6270
± 20.3
Part 1A Dose Escalation: M4076 400 mg
8510
± 30.1
Day 8
Group
Value
95% CI
Part 1A Dose Escalation: M4076 100 mg
NA
± NA
Part 1A Dose Escalation: M4076 200 mg
4690
± 52.5
Part 1A Dose Escalation: M4076 300 mg
6730
± 26.3
Part 1A Dose Escalation: M4076 400 mg
9600
± 22.8
Absolute Values in Ataxia-Telangiectasia Mutated (ATM) Pathway Readouts Assessed by Flow Cytometry and Immunohistochemistry: Gamma-H2AXSecondary· Baseline up to Day 23
gamma-H2AX is measured by flow cytometry and immunohistochemistry. Absolute values were reported for each participant as descriptive data for this outcome measure was not calculated. P= Part, D=Day, H=Hour in the below mentioned categories. Mean Fluorescent Intensity (MFI) is a number generated by the flow cytometer; an instrument that measures the fluorescent signal emitted by a sample. The stronger the fluorescent signal, the higher the MFI value detected by the instrument's acquisition software. The values displayed in the system represent each MFI measurement at different time points, with
Participant1(P1AD1-2H Postdose)
Group
Value
95% CI
Part 1A Dose Escalation: M4076 mg (All Participants)
1316
Participant1(P1AD1-4H Postdose)
Group
Value
95% CI
Part 1A Dose Escalation: M4076 mg (All Participants)
1037
Participant1(P1AD1-6H Postdose)
Group
Value
95% CI
Part 1A Dose Escalation: M4076 mg (All Participants)
3127
Participant1(P1AD1-Predose)
Group
Value
95% CI
Part 1A Dose Escalation: M4076 mg (All Participants)
1612
Participant1(P1AD2-2-4H Postdose)
Group
Value
95% CI
Part 1A Dose Escalation: M4076 mg (All Participants)
347
Participant1(P1AD2-Predose)
Group
Value
95% CI
Part 1A Dose Escalation: M4076 mg (All Participants)
1925
Participant1(P1A/1BD22-2H Postdose
Group
Value
95% CI
Part 1A Dose Escalation: M4076 mg (All Participants)
1030
Participant1(P1A/1BD22-4H Postdose)
Group
Value
95% CI
Part 1A Dose Escalation: M4076 mg (All Participants)
1023
Adverse events — posted to ClinicalTrials.gov
Time frame: Up to 603 days.
Reporting threshold: 0%.
Adverse-event reports describe events observed during the trial — not all are caused by the drug.
The purpose of this study was to determine the safety, tolerability, pharmacokinetics (PK), pharmacodynamics (PD), maximum tolerated dose (MTD) (if reached) and early signs of efficacy of M4076 monotherapy in participants with solid tumors in dose escalation (Part 1A). Once the recommended dose for expansion (RDE) was declared in Part 1A, a preliminary food effect cohort, Part 1B, will follow at the RDE determined from Part 1A.
Publications & conference data
8 peer-reviewed publications reference this trial (live from Europe PMC):
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Publications: Europe PMC API search by NCT ID, retrieved 10 June 2026
Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
Sponsor: as reported to ClinicalTrials.gov by EMD Serono Research & Development Institute, Inc.
Last refreshed: 7 March 2025
Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT04882917.