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Trial · NCT04332653

NT-I7 (Efineptakin Alfa) in Combination With Pembrolizumab in Participants With Advanced Solid Tumors

NCT04332653, Phase 1, Phase 2, Completed, NeoImmuneTech; results first posted 2026-02-09

3 sourcestrials-2026-11-12-0.5.0

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ConductScience Library. NT-I7 (Efineptakin Alfa) in Combination With Pembrolizumab in Participants With Advanced Solid Tumors. Trials, record NCT04332653. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT04332653

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Trial

As registered on ClinicalTrials.gov, in the graph's capture of the registry.

Title
NT-I7 (Efineptakin Alfa) in Combination With Pembrolizumab in Participants With Advanced Solid Tumors
NCT number
NCT04332653
Status
Completed
Phases
Phase 1, Phase 2
Enrollment
215 participants, actual
Lead sponsor
NeoImmuneTech
Conditions
Any Advanced Solid Tumors, Triple Negative Breast Cancer, Non Small Cell Lung Cancer, Small Cell Lung Cancer, Microsatellite Stable Colorectal Cancer, Pancreatic Cancer, Ovarian Cancer
Interventions
NT-I7, pembrolizumab (KEYTRUDA®)
First posted
2020-04-03
Last updated
2026-03-09
Results first posted
2026-02-09

Source ClinicalTrials.gov

Registered outcomes11

Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.

ListOutcomeTime frameDescription
PrimaryPhase 1b: Number of Participants Who Experienced Treatment Emergent Adverse Events (TEAEs), Serious AEs (SAEs), Trial Treatment-related TEAEs and Trial Treatment-related SAEsUp to 2 years and 3 months
A TEAE was any AE that starts on/after the first day of trial treatment or that worsens on/after the first day of trial treatment and up to 30 days (90 days for serious adverse events) after the date of last dose of trial drugs, or initiation of new anticancer therapy, whichever is earlier. A SAE was defined as any AE that resulted in any of the following outcomes: 1. Death; 2. A life-threatening AE; 3. An AE that resulted in inpatient hospitalization or prolongation of existing hospitalization for ≥24 hours; 4. A persistent or significant incapacity or substantial disruption of the ability to conduct normal life functions; 5. A congenital anomaly/birth defect; 6. Important Medical Events (IME) that may not result in death, be life threatening, or require hospitalization may be considered serious when, based upon medical judgment, they may jeopardize the participant and may require medical or surgical intervention to prevent one of the outcomes listed in this definition.
PrimaryPhase 1b: Number of Participants Who Experienced a Dose Limiting Toxicity (DLT)Up to 21 days
A DLT was defined as any AE occurring within the first 21 days that was considered to be related to the trial treatments (NT-I7 and/or pembrolizumab) per the investigator, and that met at least one of the non-hematologic or hematologic criteria: * Grade 4 non-hematologic toxicity * Grade ≥ 3 diarrhea, nausea and vomiting * Grade ≥ 3 rash for ≥ 5 days * Grade 4 neutropenia for ≥ 5 days * Febrile neutropenia Grade 3 or Grade 4 * Other Grade 4 hematologic toxicity for ≥7 days, except thrombocytopenia * Any non-hematologic AE ≥ Grade 3 in severity * Any Grade 3 or Grade 4 non-hematologic laboratory value if medical intervention was required, led to hospitalization, persisted for \> 1 week, resulted in potential drug-induced liver injury * Other Grade ≥ 3 clinical laboratory abnormalities not reversible to ≤ Grade 1 within 72 hours * Prolonged delay in initiating Cycle 2 * Any treatment-related toxicity that caused treatment discontinuation in Cycle 1 * Grade 5 toxicity.
PrimaryPhase 2a (Arms I to Va): Objective Response Rate (ORR)Up to 2 years
ORR was defined as the percentage of participants who had at least one confirmed partial response (PR) or complete response (CR), per Response Evaluation Criteria in Solid Tumors 1.1 (RECIST v1.1) and immune RECIST (iRECIST) as determined by the investigator. CR was defined as the disappearance of all target lesions. Any pathological lymph nodes (whether target or non-target) must have had reduction in short axis to \<10 mm (\<1 cm). PR was defined as at least a 30% decrease in the sum of the diameters of target lesions, taking as reference the baseline sum diameters.
PrimaryBiomarker Cohort: Percentage of Area Occupied by Tumor-Infiltrating Lymphocytes (TILs)Pre-treatment and post-treatment (maximum duration of treatment of approximately 2 years)
CD8 positivity TILs in tumor biopsy samples were identified using a validated immunohistochemistry (IHC) assay and certified by a pathologist. The percentage of area occupied by TILs was evaluated in the stroma area, tumor area and tumor - relevant tissue area both pre- and post-treatment.
SecondaryBiomarker Cohort: ORRUp to 2 years
ORR was defined as the percentage of participants who had at least one confirmed PR or CR, per RECIST v1.1 and iRECIST as determined by the investigator. CR was defined as the disappearance of all target lesions. Any pathological lymph nodes (whether target or non-target) must have had reduction in short axis to \<10 mm (\<1 cm). PR was defined as at least a 30% decrease in the sum of the diameters of target lesions, taking as reference the baseline sum diameters.
SecondaryPhase 1b/2a: Duration of Objective Response (DOR)Up to 2 years
DOR was defined as the time from the first occurrence of a documented objective response to the time of the first documented disease progression or death from any cause, whichever occurs first, per RECIST 1.1 and iRECIST as determined by the investigator.
SecondaryPhase 1b/2a: Disease Control Rate (DCR)Up to 2 years
DCR was defined as the proportion of participants with a best overall response of CR, PR, stable disease (SD) per RECIST 1.1 and iRECIST as determined by the investigator.. SD was defined as neither sufficient shrinkage to qualify for PR nor sufficient increase to qualify for progressive disease (PD) at least a 20% increase in the sum of the diameters of target lesions), taking as reference the smallest sum diameters while on study.
SecondaryPhase 1b/2a: Progression Free Survival (PFS)Up to 2 years
PFS was defined as the time from the first trial treatment (Cycle 1, Day 1) to the first occurrence of progression or death from any cause, whichever occurs first per RECIST 1.1 and iRECIST as determined by the investigator. PD was defined as at least a 20% increase in the sum of the diameters of target lesions, using the smallest sum observed on study as reference, with an absolute increase of at least 5 mm, or the appearance of new lesions, or unequivocal progression of non-target lesions, per RECIST 1.1.
SecondaryPhase 1b/2a: Overall Survival (OS)Up to 2 yearsOS was defined as the time from first trial treatment (Cycle 1, Day 1) to death from any cause.
SecondaryPhase 1b/2a: Number of Participants Who Experienced an Increase in Anti-Drug Antibodies (ADAs) to NT-I7Up to 2 years
Immunogenicity to NT-I7 was measured using a risk-based, tiered testing approach. This included screening and confirmatory assays for binding ADAs, epitope-specific assays to characterize ADA reactivity to whole NT-I7 vs IL-7 domain, and a cell-based neutralizing ADA assay for IL7 bioactivity. Participants' samples were obtained at baseline and over the course of treatment (to evaluate the prevalence and incidence of treatment-emergent/boosted ADA). Not detected or detected but not confirmed ADA was defined as negative. Detected and confirmed ADA was defined as positive.

Outcomes11

Each outcome the trial posted results for, in ClinicalTrials.gov's words.

TypeOutcomeTime framePopulationUnitsMeasured as
PRIMARYPhase 1b: Number of Participants Who Experienced Treatment Emergent Adverse Events (TEAEs), Serious AEs (SAEs), Trial Treatment-related TEAEs and Trial Treatment-related SAEsUp to 2 years and 3 monthsSafety Analysis Set: all participants who received at least one dose (even partially) of one or both trial medications. Only participants in Phase 1b were analyzed for this Outcome Measure.ParticipantsCOUNT_OF_PARTICIPANTS
PRIMARYPhase 1b: Number of Participants Who Experienced a Dose Limiting Toxicity (DLT)Up to 21 days
DLT Evaluable Analysis Set: all participants in Phase 1b portion of the study who were in safety analysis set and have completed the first 21 days (3 weeks) of study treatment (Cycle 1, Day 1 to 21) or any subjects who have not completed 21 days due to DLT.
ParticipantsCOUNT_OF_PARTICIPANTS
PRIMARYPhase 2a (Arms I to Va): Objective Response Rate (ORR)Up to 2 years
Efficacy Evaluable Analysis Set: all participants who received at least one dose of both the trial medication (NT-I7 and Pembrolizumab) and had an evaluable baseline and at least one evaluable post-baseline assessment of tumor response. Only participants in Phase 2a (Arms I to Va) were analyzed for this Outcome Measure.
percentage of participantsNUMBER
PRIMARYBiomarker Cohort: Percentage of Area Occupied by Tumor-Infiltrating Lymphocytes (TILs)Pre-treatment and post-treatment (maximum duration of treatment of approximately 2 years)Safety Analysis Set: all participants who received at least one dose (even partially) of one or both trial medications. Only participants with positive CD8 marker were included.percentage of area occupiedMEAN
SECONDARYBiomarker Cohort: ORRUp to 2 years
Efficacy Evaluable Analysis Set: all participants who received at least one dose of both the trial medication (NT-I7 and Pembrolizumab) and had an evaluable baseline and at least one evaluable post-baseline assessment of tumor response. Only participants in Phase 2a (Biomarker Cohort) were analyzed for this Outcome Measure.
percentage of participantsNUMBER
SECONDARYPhase 1b/2a: Duration of Objective Response (DOR)Up to 2 years
Efficacy Evaluable Analysis Set: all participants who received at least one dose of both the trialmedication (NT-I7 and Pembrolizumab) and had an evaluable baseline and at least one evaluable post-baseline assessment of tumor response. Only participants who had a documented response were included.
monthsMEDIAN
SECONDARYPhase 1b/2a: Disease Control Rate (DCR)Up to 2 years
Efficacy Evaluable Analysis Set: all participants who received at least one dose of both the trial medications (NT-I7 and Pembrolizumab) and had an evaluable baseline and at least one evaluable post-baseline assessment of tumor response.
percentage of participantsNUMBER
SECONDARYPhase 1b/2a: Progression Free Survival (PFS)Up to 2 years
Efficacy Evaluable Analysis Set: all participants who received at least one dose of both the trial medications (NT-I7 and Pembrolizumab) and had an evaluable baseline and at least one evaluable post-baseline assessment of tumor response.
monthsMEDIAN
SECONDARYPhase 1b/2a: Overall Survival (OS)Up to 2 years
Efficacy Evaluable Analysis Set: all participants who received at least one dose of both the trial medications (NT-I7 and Pembrolizumab) and had an evaluable baseline and at least one evaluable post-baseline assessment of tumor response.
monthsMEDIAN
SECONDARYPhase 1b/2a: Number of Participants Who Experienced an Increase in Anti-Drug Antibodies (ADAs) to NT-I7Up to 2 yearsSafety Analysis Set: all participants who received at least one dose (even partially) of one or both trial medications.ParticipantsCOUNT_OF_PARTICIPANTS

Results by group131

Each measurement the trial posted, group by group, in the words and numbers it posted.

OutcomeGroupCategoryValueSpreadUnits
Phase 1b: Number of Participants Who Experienced Treatment Emergent Adverse Events (TEAEs), Serious AEs (SAEs), Trial Treatment-related TEAEs and Trial Treatment-related SAEsPhase 1b: Dose Level 1 (NT-I7 480 ug/kg)TEAEs3Participants
Phase 1b: Number of Participants Who Experienced Treatment Emergent Adverse Events (TEAEs), Serious AEs (SAEs), Trial Treatment-related TEAEs and Trial Treatment-related SAEsPhase 1b: Dose Level 2 (NT-I7 960 ug/kg)TEAEs3Participants
Phase 1b: Number of Participants Who Experienced Treatment Emergent Adverse Events (TEAEs), Serious AEs (SAEs), Trial Treatment-related TEAEs and Trial Treatment-related SAEsPhase 1b: Dose Level 3 (NT-I7 1200 ug/kg)TEAEs6Participants
Phase 1b: Number of Participants Who Experienced Treatment Emergent Adverse Events (TEAEs), Serious AEs (SAEs), Trial Treatment-related TEAEs and Trial Treatment-related SAEsPhase 1b: Dose Level 1 (NT-I7 480 ug/kg)SAEs2Participants
Phase 1b: Number of Participants Who Experienced Treatment Emergent Adverse Events (TEAEs), Serious AEs (SAEs), Trial Treatment-related TEAEs and Trial Treatment-related SAEsPhase 1b: Dose Level 2 (NT-I7 960 ug/kg)SAEs1Participants
Phase 1b: Number of Participants Who Experienced Treatment Emergent Adverse Events (TEAEs), Serious AEs (SAEs), Trial Treatment-related TEAEs and Trial Treatment-related SAEsPhase 1b: Dose Level 3 (NT-I7 1200 ug/kg)SAEs1Participants
Phase 1b: Number of Participants Who Experienced Treatment Emergent Adverse Events (TEAEs), Serious AEs (SAEs), Trial Treatment-related TEAEs and Trial Treatment-related SAEsPhase 1b: Dose Level 1 (NT-I7 480 ug/kg)Trial Treatment-related TEAEs3Participants
Phase 1b: Number of Participants Who Experienced Treatment Emergent Adverse Events (TEAEs), Serious AEs (SAEs), Trial Treatment-related TEAEs and Trial Treatment-related SAEsPhase 1b: Dose Level 2 (NT-I7 960 ug/kg)Trial Treatment-related TEAEs2Participants
Phase 1b: Number of Participants Who Experienced Treatment Emergent Adverse Events (TEAEs), Serious AEs (SAEs), Trial Treatment-related TEAEs and Trial Treatment-related SAEsPhase 1b: Dose Level 3 (NT-I7 1200 ug/kg)Trial Treatment-related TEAEs6Participants
Phase 1b: Number of Participants Who Experienced Treatment Emergent Adverse Events (TEAEs), Serious AEs (SAEs), Trial Treatment-related TEAEs and Trial Treatment-related SAEsPhase 1b: Dose Level 1 (NT-I7 480 ug/kg)Trial Treatment-related SAEs1Participants

Participant flow66

How many started, completed or left each group, period by period.

PeriodMilestoneGroupParticipantsUnits counted
Phase 1bSTARTEDPhase 1b: Dose Level 1 (NT-I7 480 ug/kg)3
Phase 1bSTARTEDPhase 1b: Dose Level 2 (NT-I7 960 ug/kg)3
Phase 1bSTARTEDPhase 1b: Dose Level 3 (NT-I7 1200 ug/kg)6
Phase 1bSTARTEDPhase 2a: Arm I0
Phase 1bSTARTEDPhase 2a: Arm II0
Phase 1bSTARTEDPhase 2a: Arm III0
Phase 1bSTARTEDPhase 2a: Arm IV0
Phase 1bSTARTEDPhase 2a: Arm IVa0
Phase 1bSTARTEDPhase 2a: Arm V0
Phase 1bSTARTEDPhase 2a: Arm Va0

Adverse events5,467

Each adverse event the trial posted, group by group: the participants affected out of those at risk.

TypeEventOrgan systemGroupAffectedAt riskEvents
otherFatigueGeneral disordersPhase 1b: Dose Level 1 (NT-I7 480 ug/kg)13
otherFatigueGeneral disordersPhase 1b: Dose Level 2 (NT-I7 960 ug/kg)03
otherFatigueGeneral disordersPhase 1b: Dose Level 3 (NT-I7 1200 ug/kg)46
otherFatigueGeneral disordersPhase 2a: Arm I416
otherFatigueGeneral disordersPhase 2a: Arm II1434
otherFatigueGeneral disordersPhase 2a: Arm III817
otherFatigueGeneral disordersPhase 2a: Arm IV1329
otherFatigueGeneral disordersPhase 2a: Arm IVa1228
otherFatigueGeneral disordersPhase 2a: Arm V1232
otherFatigueGeneral disordersPhase 2a: Arm Va1634

Adverse event totals33

The totals the trial posted for each group.

TotalGroupAffectedAt risk
Total, all-cause mortalityPhase 1b: Dose Level 1 (NT-I7 480 ug/kg)13
Total, all-cause mortalityPhase 1b: Dose Level 2 (NT-I7 960 ug/kg)13
Total, all-cause mortalityPhase 1b: Dose Level 3 (NT-I7 1200 ug/kg)16
Total, all-cause mortalityPhase 2a: Arm I916
Total, all-cause mortalityPhase 2a: Arm II2034
Total, all-cause mortalityPhase 2a: Arm III1217
Total, all-cause mortalityPhase 2a: Arm IV1929
Total, all-cause mortalityPhase 2a: Arm IVa1628
Total, all-cause mortalityPhase 2a: Arm V1832
Total, all-cause mortalityPhase 2a: Arm Va2434

Papers0

The papers the trial lists on ClinicalTrials.gov.

None in this release.

Grants0

The grants NIH RePORTER links to the trial, newest funded first: NIH's, and some of AHRQ's, CDC's, FDA's and VA's. Each shows its title, principal investigators, organization and funder in its newest year.

None in this release.

Trial comparisons0

Comparisons of the trial's two groups, calculated by ConductScience from the counts it posted.

None in this release.

Tests0

The ConductCognition tests this trial's registered outcomes name, as ScienceGraph matched them in trial-tests-2026-11-12-0.2.1.

None in this release.

Data dates

The day each source was copied for this release.

ClinicalTrials.gov
2026-11-12
ClinicalTrials.gov
Results, from AACT
2026-03-23
AACT
NIH grant links
2026-11-13
NIH RePORTER

Sources 3

  • ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
  • ClinicalTrials.govNo license stated
  • NIH RePORTER's clinical studies and project filesPublic domain
Each source's terms
  • ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
  • ClinicalTrials.govnone stated
  • NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

For software

Read this trial from software.

The record and each of its lists are JSON, twenty rows a page. No key.

GET https://conductscience.org/api/trials/v1/NCT04332653

GET https://conductscience.org/api/trials/v1/NCT04332653/results?page=2