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Study of PI3Kinase Inhibition (Copanlisib) and Anti-PD-1 Antibody Nivolumab in Relapsed/Refractory Solid Tumors With Expansions in Mismatch-repair Proficient (MSS) Colorectal Cancer

A Phase I/II Study of PI3Kinase Inhibition (Copanlisib) and Anti-PD-1 Antibody Nivolumab in Relapsed/Refractory Solid Tumors With Expansions in Mismatch-repair Proficient (MSS) Colorectal Cancer

Status
Completed
Phases
Phase 1Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03711058
Enrollment
48
Registered
2018-10-18
Start date
2019-01-17
Completion date
2025-06-30
Last updated
2025-09-16

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

Conditions

Microsatellite Stable (MSS) Colon Cancer, Unresectable or Metastatic Microsatellite Stable (MSS) Solid Tumor

Keywords

Immunotherapy, Nivolumab, Copanlisib, Unresectable, Metastatic, PD-1, P13K, Antibody, Solid Tumors, Colon Cancer, MSS, Mismatch-repair proficient, Microsatellite stable

Brief summary

A phase I/II study of PI3Kinase inhibition (copanlisib) and anti-PD-1 antibody nivolumab in relapsed/refractory solid tumors with expansions in mismatch-repair proficient (MSS) colorectal cancer.

Interventions

DRUGCopanlisib

Copanlisib will be administered as a 60 minute IV infusion (-5min/+10min) at a dose of 45 mg - 60 mg IV. Copanlisib will be administered once a week (days 1, 8, and 15 or Day 1 and Day 15 of each 28 day cycle). Drug: 45 or 60 mg IV

DRUGNivolumab

Nivolumab 480 mg will be administered as a 30 minute IV infusion (-5min/+10min) on Day 1 of each 28 day cycle. Drug: 480 mg IV

Sponsors

Bayer
CollaboratorINDUSTRY
Bristol-Myers Squibb
CollaboratorINDUSTRY
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Lead SponsorOTHER

Study design

Allocation
NON_RANDOMIZED
Intervention model
SEQUENTIAL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

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

Inclusion criteria

* Age ≥18 years. * Ability to understand and willingness to sign a written informed consent document. * Phase I: Must have received all curative treatment options and at least 2 lines of systemic therapy. * Phase II: Must have received at least 2 lines of systemic therapy including a fluoropyrimidine, oxaliplatin, and irinotecan-containing regimen. KRAS/NRAS/BRAF wildtype patients must have received or refused anti-EGR. * Must have received all curative treatment options and at least 2 lines of systemic and standard therapy. * Must have measurable disease based on RECIST 1.1 * Must have biopsiable disease. * Eastern Cooperative Oncology Group (ECOG) performance status 0 or 1 * Life expectancy of greater than 3 months. * Patients must have adequate organ and marrow function defined by study-specified laboratory tests within 21 days of initial study drug. * Men must use acceptable form of birth control while on study. * Woman of childbearing potential must have a negative pregnancy test and follow contraceptive guidelines as defined per protocol.

Exclusion criteria

* Prior treatment with immunotherapy agents (including, anti-PD-1, anti-PD-L1, anti- PD-L2, anti-CTLA4, etc.). * Prior therapy with a PI3K inhibitor * Chemotherapy, target small molecule therapy, investigational therapy, or surgery within 4 weeks prior to first dose of treatment. * Has received prior radiotherapy within 2 weeks prior to the start of treatment. * Patient who is receiving or have received any other investigational agents within 4 weeks prior to the first dose of treatment. * Has received a live vaccine 30 days prior to the first dose of study drug. * Has known additional malignancy that is progressing or requires active treatment.. * Has known central nervous system (CNS) metastases and/or carcinomatous meningitis. * Has symptomatic ascites or has required a paracentesis in the last 12 weeks. * Hypersensitivity reaction to study drug. * Patients diagnosed of immunodeficiency or are on any immunosuppressive agents within 7 days prior to first dose of study drug. * Has active autoimmune disease that has required systemic treatment in the past 12 months, or a documented history of clinically severe autoimmune disease, or a syndrome that requires systemic steroids or immunosuppressive agents. * Has a history of (non-infectious) pneumonitis that required steroids or has current pneumonitis. * Has an active infection requiring systemic therapy. * Infection with HIV or hepatitis B or C. * Cytomegalovirus polymerase chain reaction (CMV PCR) positive. * Known history or concurrent interstitial lung disease. * Type I diabetes or Type II diabetes requiring treatment with a sulfonylurea, meglitinide, or insulin at screening. * Uncontrolled cardiovascular disease. * Patient with uncontrolled intercurrent illness including, but not limited to, uncontrolled infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements. * Use of anti-arrhythmic therapy (beta blockers or digoxin are permitted). * Use of CYP3A4 inhibitors and inducers within 2 weeks of starting study drug and throughout treatment. * Any arterial or venous thrombotic or embolic events within 3 months of start of study drug. * Non-healing wound, ulcer, or fracture. * Patients with evidence or history of bleeding condition. * Had a blood or platelet transfusion within 7 days of Cycle 1 Day 1 treatment. * Seizure disorder requiring anti-seizure medication. * Conditions, including alcohol or drug dependence, intercurrent illness, or lack of sufficient peripheral venous access, that would affect the patient's ability to comply with study visits and procedures. * Are pregnant or breastfeeding. * Unwilling or unable to follow the study schedule for any reason.

Design outcomes

Primary

MeasureTime frameDescription
Number of Participants Experiencing a Dose Limiting Toxicity28 daysNumber of participants experiencing a Dose Limiting Toxicity (DLT) in each dose level. DLT is defined as any of the following study drug-related toxicities occurring during the first cycle of study drug on study: * Grade 4 anemia * Grade ≥ 3 neutropenia lasting ≥ 14 days * Grade ≥ 3 febrile neutropenia * Grade 4 thrombocytopenia, or Grade 3 thrombocytopenia with clinically significant bleeding * Treatment-related ≥ grade 4 AEs, except transient hyperglycemia * Grade ≥ 3 Pneumonitis or recurrent Grade 2 pneumonitis * Grade ≥ 3 Nephritis * Grade ≥ 3 elevated AST or ALT * Grade ≥ 2 eye pain or reduction of visual acuity that does not respond to topical therapy, improve to ≤ grade 1 within 2 weeks of topical therapy, or requires systemic therapy * Any other Grade ≥ 3 toxicities (with certain exceptions for transient AEs or asymptomatic labs)
6-month Objective Response Rate (ORR) of Patients Treated With Copanlisib and Nivolumab6-monthsThe proportion of subjects with partial response (PR) or complete response (CR) as defined by Response Evaluation Criteria in Solid Tumors (RECIST 1.1). Per RECIST 1.1, complete response is defined as disappearance of all target lesions, and partial response is defined as at least a 30% decrease in the sum of diameters of target lesions. Lesions are assessed by CT or MRI.

Secondary

MeasureTime frameDescription
Disease Control Rate (DCR) Status at 6 Months.6-monthsPercentage of participants achieving stable disease (SD) or better (SD + PR + CR). Per RECIST 1.1, complete response is defined as disappearance of all target lesions, partial response is defined as at least a 30% decrease in the sum of diameters of target lesions, stable disease occurs when there is neither sufficient shrinkage to qualify for PR nor sufficient increase to qualify for progressive disease (at least 20% increase). Lesions are assessed by CT or MRI.
Duration of Response (DOR)3 yearsNumber of months from the first documentation of a partial or complete response by RECIST 1.1 to date of disease progression. Responses may be documented at any time on the study, including patients responding after the 6-month evaluation used for the primary outcome.
Progression Free Survival (PFS)3 yearsNumber of months from treatment to disease progression (PD)
Overall Survival (OS)3 yearsNumber of months from the date of first treatment until death or end of follow-up.
Number of Participants Experiencing Study Drug-related Toxicities51 monthsNumber of participants experiencing study drug-related adverse events Grade 3 or higher as defined by CTCAE v5.0.

Countries

United States

Participant flow

Pre-assignment details

9 participants (1 from Phase 1, 4 from Phase 2 Cohort A and 4 from Phase 2 Cohort B) were excluded from analysis because they did not receive the study drug.

Participants by arm

ArmCount
Phase I - Dose Finding
Copanlisib: Copanlisib will be administered as a 60 minute IV infusion (-5min/+10min) at one of three dose levels: Dose Level 1: 60mg on Day 1, 8, and 15 Dose Level -1: 60mg on Day 1 and 15 Dose Level -2: 45 mg on Day 1 and 15 Nivolumab: Nivolumab 480 mg will be administered as a 30 minute IV infusion (-5min/+10min) on Day 1 of each cycle. Cycle length is 28 days. Only Dose Level 1 was tested.
6
Phase II /Cohort A - PI3K Mutation
Copanlisib 60 mg will be administered as a 60-minute IV infusion (-5min/+10min) on Day 1, 8, and 15 of each 28-day cycle. Nivolumab 480 mg will be administered as a 30-minute IV infusion (-5min/+10min) on Day 1 of each 28-day cycle.
21
Phase II/Cohort B - PI3K Wild Type
Copanlisib 60 mg will be administered as a 60-minute IV infusion (-5min/+10min) on Day 1, 8, and 15 of each 28-day cycle. Nivolumab 480 mg will be administered as a 30-minute IV infusion (-5min/+10min) on Day 1 of each 28-day cycle.
12
Total39

Baseline characteristics

CharacteristicPhase I - Dose FindingPhase II /Cohort A - PI3K MutationPhase II/Cohort B - PI3K Wild TypeTotal
Age, Continuous59.5 years57 years58.5 years58 years
Eastern Cooperative Oncology Group (ECOG) Classification of Participants
ECOG 0
3 Participants11 Participants4 Participants18 Participants
Eastern Cooperative Oncology Group (ECOG) Classification of Participants
ECOG 1
3 Participants10 Participants8 Participants21 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants1 Participants1 Participants2 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
6 Participants20 Participants11 Participants37 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants0 Participants0 Participants0 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants0 Participants0 Participants0 Participants
Race (NIH/OMB)
Asian
1 Participants1 Participants1 Participants3 Participants
Race (NIH/OMB)
Black or African American
0 Participants5 Participants1 Participants6 Participants
Race (NIH/OMB)
More than one race
0 Participants0 Participants0 Participants0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants0 Participants0 Participants0 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants0 Participants0 Participants0 Participants
Race (NIH/OMB)
White
5 Participants15 Participants10 Participants30 Participants
Region of Enrollment
United States
6 Participants21 Participants12 Participants39 Participants
Sex: Female, Male
Female
2 Participants15 Participants4 Participants21 Participants
Sex: Female, Male
Male
4 Participants6 Participants8 Participants18 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
deaths
Total, all-cause mortality
6 / 614 / 219 / 12
other
Total, other adverse events
6 / 621 / 2112 / 12
serious
Total, serious adverse events
3 / 611 / 216 / 12

Outcome results

Primary

6-month Objective Response Rate (ORR) of Patients Treated With Copanlisib and Nivolumab

The proportion of subjects with partial response (PR) or complete response (CR) as defined by Response Evaluation Criteria in Solid Tumors (RECIST 1.1). Per RECIST 1.1, complete response is defined as disappearance of all target lesions, and partial response is defined as at least a 30% decrease in the sum of diameters of target lesions. Lesions are assessed by CT or MRI.

Time frame: 6-months

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Phase I - Dose Finding (Dose Level 1)6-month Objective Response Rate (ORR) of Patients Treated With Copanlisib and Nivolumab0 Participants
Phase II /Cohort A- PI3K Mutation6-month Objective Response Rate (ORR) of Patients Treated With Copanlisib and Nivolumab2 Participants
Phase II /Cohort B- PI3K Wild Type6-month Objective Response Rate (ORR) of Patients Treated With Copanlisib and Nivolumab0 Participants
Primary

Number of Participants Experiencing a Dose Limiting Toxicity

Number of participants experiencing a Dose Limiting Toxicity (DLT) in each dose level. DLT is defined as any of the following study drug-related toxicities occurring during the first cycle of study drug on study: * Grade 4 anemia * Grade ≥ 3 neutropenia lasting ≥ 14 days * Grade ≥ 3 febrile neutropenia * Grade 4 thrombocytopenia, or Grade 3 thrombocytopenia with clinically significant bleeding * Treatment-related ≥ grade 4 AEs, except transient hyperglycemia * Grade ≥ 3 Pneumonitis or recurrent Grade 2 pneumonitis * Grade ≥ 3 Nephritis * Grade ≥ 3 elevated AST or ALT * Grade ≥ 2 eye pain or reduction of visual acuity that does not respond to topical therapy, improve to ≤ grade 1 within 2 weeks of topical therapy, or requires systemic therapy * Any other Grade ≥ 3 toxicities (with certain exceptions for transient AEs or asymptomatic labs)

Time frame: 28 days

Population: Per protocol, Dose Limiting Toxicities (DLTs) were only assessed in Phase I subjects in order to determine the Phase II dose of copanlisib. Since no subjects experienced DLTs in Dose Level 1, this was the only dose level tested.

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Phase I - Dose Finding (Dose Level 1)Number of Participants Experiencing a Dose Limiting Toxicity0 Participants
Secondary

Disease Control Rate (DCR) Status at 6 Months.

Percentage of participants achieving stable disease (SD) or better (SD + PR + CR). Per RECIST 1.1, complete response is defined as disappearance of all target lesions, partial response is defined as at least a 30% decrease in the sum of diameters of target lesions, stable disease occurs when there is neither sufficient shrinkage to qualify for PR nor sufficient increase to qualify for progressive disease (at least 20% increase). Lesions are assessed by CT or MRI.

Time frame: 6-months

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Phase I - Dose Finding (Dose Level 1)Disease Control Rate (DCR) Status at 6 Months.0 Participants
Phase II /Cohort A- PI3K MutationDisease Control Rate (DCR) Status at 6 Months.5 Participants
Phase II /Cohort B- PI3K Wild TypeDisease Control Rate (DCR) Status at 6 Months.3 Participants
Secondary

Duration of Response (DOR)

Number of months from the first documentation of a partial or complete response by RECIST 1.1 to date of disease progression. Responses may be documented at any time on the study, including patients responding after the 6-month evaluation used for the primary outcome.

Time frame: 3 years

Population: Only patients who had a partial or complete response by RECIST were evaluable for duration of response.

ArmMeasureValue (MEDIAN)
Phase II /Cohort A- PI3K MutationDuration of Response (DOR)20.6 months
Phase II /Cohort B- PI3K Wild TypeDuration of Response (DOR)13.1 months
Secondary

Number of Participants Experiencing Study Drug-related Toxicities

Number of participants experiencing study drug-related adverse events Grade 3 or higher as defined by CTCAE v5.0.

Time frame: 51 months

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Phase I - Dose Finding (Dose Level 1)Number of Participants Experiencing Study Drug-related Toxicities5 Participants
Phase II /Cohort A- PI3K MutationNumber of Participants Experiencing Study Drug-related Toxicities16 Participants
Phase II /Cohort B- PI3K Wild TypeNumber of Participants Experiencing Study Drug-related Toxicities10 Participants
Secondary

Overall Survival (OS)

Number of months from the date of first treatment until death or end of follow-up.

Time frame: 3 years

ArmMeasureValue (MEDIAN)
Phase I - Dose Finding (Dose Level 1)Overall Survival (OS)5.61 months
Phase II /Cohort A- PI3K MutationOverall Survival (OS)6.77 months
Phase II /Cohort B- PI3K Wild TypeOverall Survival (OS)10.26 months
Secondary

Progression Free Survival (PFS)

Number of months from treatment to disease progression (PD)

Time frame: 3 years

ArmMeasureValue (MEDIAN)
Phase I - Dose Finding (Dose Level 1)Progression Free Survival (PFS)1.64 months
Phase II /Cohort A- PI3K MutationProgression Free Survival (PFS)1.68 months
Phase II /Cohort B- PI3K Wild TypeProgression Free Survival (PFS)1.82 months

Source: ClinicalTrials.gov · Data processed: Jul 25, 2026