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CompletedNCT03635983Updated Apr 1, 2025Results posted

A Study of NKTR-214 Combined With Nivolumab vs Nivolumab Alone in Participants With Previously Untreated Inoperable or Metastatic Melanoma

A Phase 3 interventional study of NKTR-214 and Nivolumab in Melanoma, sponsored by Bristol-Myers Squibb. Completed at 167 sites in 27 countries. Open to participants aged 12 Years and older. Per ClinicalTrials.gov, last updated 2025-04-01.

Sponsored by Bristol-Myers Squibb · Phase 3, Interventional, and Treatment

Phase
Phase 3
Study type
Interventional
Enrollment
783
Allocation
Randomized
Ages
12 Years and older
Sex
All
01

Study summary

The purpose of the study is to test the effectiveness (how well the drug works), safety, and tolerability of the investigational drug called NKTR-214, when combined with nivolumab versus nivolumab given alone in participants with previously untreated melanoma skin cancer that is either unable to be surgically removed or has spread

02

Conditions studied

  • Melanoma

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Keywords

  • NKTR-214
  • Nivolumab
  • Immunotherapy
  • bempegaldesleukin (BEMPEG: NKTR-214)
03

In context

Melanoma

3,006 studies on the registry are indexed under Melanoma; 520 are open to participants now.

This study's enrollment of 783 is above the median of 38 across 2,351 interventional studies indexed under Melanoma.

Browse Melanoma studies →

Lead sponsor

Bristol-Myers Squibb is the lead sponsor of 1,538 studies on the registry; 116 are open to participants now.

Of its 429 completed or terminated interventional studies of FDA-regulated products, 223 (52%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
12 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • Eastern Cooperative Oncology Group (ECOG) performance status of ≤1 (adults 18 years or older)/Lansky Performance Score ≥ 80% (minors ages 12-17 only)
  • Histologically confirmed stage III (unresectable) or stage IV melanoma
  • Treatment-naive participants (ie, no prior systemic anticancer therapy for unresectable or metastatic melanoma) with the exception of prior adjuvant and/or neoadjuvant treatment for melanoma with approved agents

Exclusion criteria

Exclusion Criteria:

  • Active brain metastases or leptomeningeal metastases
  • Uveal melanoma
  • Participants with an active, known or suspected autoimmune disease

Other protocol defined inclusion/exclusion criteria apply

05

Study design

Phase
Phase 3
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
None (open label)
Enrollment
783 participants (actual)

Study arms

  • Experimental
    Combination

    NKTR-214 + Nivolumab

    Biological: NKTR-214 · Biological: Nivolumab

  • Experimental
    Monotherapy

    Nivolumab

    Biological: Nivolumab

Interventions

  • BiologicalNKTR-214

    Specified dose on specified days

    Also known as: Bempegaldesleukin, BMS-986321

  • BiologicalNivolumab

    Specified dose on specified days

    Also known as: Opdivo, BMS-936558

06

What researchers measure

Primary outcomes

  1. Objective Response Rate (ORR) Per Blinded Independent Central Review (BICR)

    ORR is defined as the percentage of participants with a confirmed best overall response of complete response (CR) or partial response (PR) using RECIST v 1.1 per blinded independent central review (BICR) assessment. CR=Disappearance of all target lesions. Any pathological lymph nodes must have reduction in short axis to \< 10 mm. PR=At least a 30% decrease in the sum of diameters of target lesions.

    Time frame: From date of randomization to disease progression (Up to 37 months)

  2. Progression-free Survival (PFS) Per Blinded Independent Central Review (BICR)

    PFS is defined as the time between the date of randomization and the first date of documented tumor progression using RECIST v 1.1 per blinded independent central review (BICR), or death due to any cause, whichever comes first. Progressive disease (PD)=At least a 20% increase in the sum of diameters of target lesions. The sum must also demonstrate an absolute increase of at least 5 mm.

    Time frame: From date of randomization to disease progression, or death, whichever comes first (Up to 37 months)

  3. Overall Survival (OS)

    OS is defined as the time between the date of randomization and the date of death due to any cause. Participants who do not have a date of death will be censored on the last date for which a participant was known to be alive.

    Time frame: From date of randomization to date of death (Up to 37 months)

Secondary outcomes

  1. Clinical Benefit Rate (CBR) Per Blinded Independent Central Review (BICR)

    CBR, or equivalently the disease control rate (DCR) is defined as the percentage of participants with a best overall response of complete response (CR), partial response (PR), or stable disease (SD) as assessed by blinded independent central review (BICR) using RECIST v 1.1. CR=Disappearance of all target lesions. Any pathological lymph nodes must have reduction in short axis to \< 10 mm. PR=At least a 30% decrease in the sum of diameters of target lesions.SD=Neither sufficient shrinkage to qualify for PR nor sufficient increase to qualify for progressive disease.

    Time frame: From date of randomization to disease progression (Up to 37 months)

  2. Duration of Response (DoR) Per Blinded Independent Central Review (BICR)

    DOR is defined for participants who have a confirmed complete response (CR) or partial results (PR) as the date from first documented CR or PR using RECIST v 1.1 to the date of the documentation of disease progression per blinded independent central review (BICR) assessment or death due to any cause, whichever is earlier. CR=Disappearance of all target lesions. Any pathological lymph nodes must have reduction in short axis to \< 10 mm. PR=At least a 30% decrease in the sum of diameters of target lesions.

    Time frame: From date of randomization to disease progression, or death, whichever is earlier (Up to 37 months)

  3. Time to Objective Response (TTR) Per Blinded Independent Central Review (BICR)

    Time to response (TTR) is defined for participants who had a confirmed complete response (CR) or partial response (PR) as the time from the date of randomization to date of first documented CR or PR per blinded independent central review (BICR) assessment using RECIST v 1.1. CR=Disappearance of all target lesions. Any pathological lymph nodes must have reduction in short axis to \< 10 mm. PR=At least a 30% decrease in the sum of diameters of target lesions.

    Time frame: From date of randomization to disease progression (Up to 37 months)

  4. Objective Response Rate (ORR) Per Investigator

    ORR is defined as the percentage of participants with a confirmed best overall response of complete response (CR) or partial response (PR) using RECIST v 1.1 per investigator assessment. CR=Disappearance of all target lesions. Any pathological lymph nodes must have reduction in short axis to \< 10 mm. PR=At least a 30% decrease in the sum of diameters of target lesions.

    Time frame: From date of randomization to disease progression (Up to 37 months)

  5. Progression-free Survival (PFS) Per Investigator

    PFS is defined as the time between the date of randomization and the first date of documented tumor progression using RECIST v 1.1 per investigator, or death due to any cause, whichever comes first. Progressive disease (PD)=At least a 20% increase in the sum of diameters of target lesions. The sum must also demonstrate an absolute increase of at least 5 mm.

    Time frame: From date of randomization to disease progression, or death, whichever comes first (Up to 37 months)

  6. Clinical Benefit Rate (CBR) Per Investigator

    CBR, or equivalently the disease control rate (DCR) is defined as the percentage of participants with a best overall response of complete response (CR), partial response (PR), or stable disease (SD) as assessed by investigator using RECIST v 1.1. CR=Disappearance of all target lesions. Any pathological lymph nodes must have reduction in short axis to \< 10 mm. PR=At least a 30% decrease in the sum of diameters of target lesions. SD=Neither sufficient shrinkage to qualify for PR nor sufficient increase to qualify for PD.

    Time frame: From date of randomization to disease progression (Up to 37 months)

  7. Duration of Response (DoR) Per Investigator

    DOR is defined for participants who have a confirmed complete response (CR) or partial results (PR) as the date from first documented CR or PR using RECIST v 1.1 to the date of the documentation of disease progression per investigator assessment or death due to any cause, whichever is earlier. CR=Disappearance of all target lesions. Any pathological lymph nodes must have reduction in short axis to \< 10 mm. PR=At least a 30% decrease in the sum of diameters of target lesions.

    Time frame: From date of randomization to disease progression, or death, whichever is earlier (Up to 37 months)

  8. Time to Objective Response (TTR) Per Investigator

    Time to response (TTR) is defined for participants who had a confirmed complete response (CR) or partial response (PR) as the time from the date of randomization to date of first documented CR or PR per investigator assessment using RECIST v 1.1. CR=Disappearance of all target lesions. Any pathological lymph nodes must have reduction in short axis to \< 10 mm. PR=At least a 30% decrease in the sum of diameters of target lesions.

    Time frame: From date of randomization to disease progression (Up to 37 months)

  9. Objective Response Rate (ORR) Per Blinded Independent Central Review (BICR) by Baseline PD-L1 Status

    ORR by baseline PD-L1 tumor cells expression (PD-L1 negative: \<1%) vs. (PD-L1 positive: \>=1%). ORR is defined as the percentage of participants with a confirmed best overall response of complete response (CR) or partial response (PR) using RECIST v 1.1 per blinded independent central review (BICR) assessment. CR=Disappearance of all target lesions. Any pathological lymph nodes must have reduction in short axis to \< 10 mm. PR=At least a 30% decrease in the sum of diameters of target lesions.

    Time frame: From date of randomization to disease progression (Up to 37 months)

  10. Progression-free Survival (PFS) Per Blinded Independent Central Review (BICR) by Baseline PD-L1 Status

    PFS by baseline PD-L1 tumor cells expression (PD-L1 negative: \<1%) vs. (PD-L1 positive: \>=1%). PFS is defined as the time between the date of randomization and the first date of documented tumor progression using RECIST v 1.1 per blinded independent central review (BICR), or death due to any cause, whichever comes first. Progressive disease (PD)=At least a 20% increase in the sum of diameters of target lesions. The sum must also demonstrate an absolute increase of at least 5 mm.

    Time frame: From date of randomization to disease progression, or death, whichever comes first (Up to 37 months)

  11. Overall Survival (OS) by Baseline PD-L1 Status

    OS by baseline PD-L1 tumor cells expression (PD-L1 negative: \<1%) vs. (PD-L1 positive: \>=1%). OS is defined as the time between the date of randomization and the date of death due to any cause. Participants who do not have a date of death will be censored on the last date for which a participant was known to be alive.

    Time frame: From date of randomization to date of death (Up to 37 months)

  12. Number of Participants With Adverse Events (AEs)

    Number of participants with any grade adverse events (AEs) including treatment-related AEs, AEs leading to discontinuation of any drug, serious adverse events (SAEs), treatment-related SAEs, and deaths from first dose to 30 days post last dose. An AE is defined as any new untoward medical occurrence or worsening of a preexisting medical condition in a clinical investigation participant administered study treatment and that does not necessarily have a causal relationship with this treatment.

    Time frame: From first dose to 30 days post last dose (Average of 11 months and a maximum up to 26 months)

  13. Number of Participants With On-Treatment Laboratory Parameters That Worsened Relative to Baseline

    Number of participants with on-treatment laboratory parameters that worsened relative to baseline. Parameters include hematology, chemistry, liver function, and renal function using worst grade (grade 1-4 and grade 3-4) per national cancer institute (NCI) common terminology criteria for adverse events (CTCAE) v5 criteria. Grade 1=Mild event Grade 2=Moderate event Grade 3=Severe event Grade 4=Life threatening event

    Time frame: From first dose to 100 days post last dose (Average of 13 months and a maximum up to 28 months)

07

Results

Posted Dec 19, 2022

Participant flow

Pre-Treatment Period
Participant flow — Pre-Treatment Period
MilestoneBempegaldesleukin + NivolumabNivolumab
Started391392
Completed388382
Not completed310
Withdrew: Withdrawal by subject07
Withdrew: Participant no longer meets study criteria10
Withdrew: Other reasons01
Withdrew: Disease progression01
Withdrew: Adverse event unrelated to study drug21
Treatment Period
Participant flow — Treatment Period
MilestoneBempegaldesleukin + NivolumabNivolumab
Started388382
Completed8296
Not completed306286
Withdrew: Participant request to discontinue study treatment67
Withdrew: Withdrawal by subject35
Withdrew: Death35
Withdrew: Poor/non-compliance21
Withdrew: Participant no longer meets study criteria14
Withdrew: Other reasons74
Withdrew: Disease progression230201
Withdrew: Study drug toxicity3536
Withdrew: Adverse event unrelated to study drug1515
Withdrew: Maximum clinical benefit35
Withdrew: Administrative reason by the sponsor12
Withdrew: Lost to follow-up01

Outcome measures

PrimaryObjective Response Rate (ORR) Per Blinded Independent Central Review (BICR)

ORR is defined as the percentage of participants with a confirmed best overall response of complete response (CR) or partial response (PR) using RECIST v 1.1 per blinded independent central review (BICR) assessment. CR=Disappearance of all target lesions. Any pathological lymph nodes must have reduction in short axis to \< 10 mm. PR=At least a 30% decrease in the sum of diameters of target lesions.

Time frame:
From date of randomization to disease progression (Up to 37 months)
Reported as:
Number · Percentage of participants
Objective Response Rate (ORR) Per Blinded Independent Central Review (BICR)
Percentage of participantsBempegaldesleukin + NivolumabNivolumab
Objective Response Rate (ORR) Per Blinded Independent Central Review (BICR)27.7 (22.4 to 33.4)36.0 (30.3 to 42.0)
Statistical analysis
  • Bempegaldesleukin + Nivolumab vs Nivolumab · Stratified Cochran-Mantel-Haenszel · p = 0.0311 · Estimate of odds ratio (or): 0.66 · 95% CI 0.45 to 0.96Strata adjusted odds ratio (NKTR-214 + Nivolumab over Nivolumab) using Mantel-Haenszel method.
PrimaryProgression-free Survival (PFS) Per Blinded Independent Central Review (BICR)

PFS is defined as the time between the date of randomization and the first date of documented tumor progression using RECIST v 1.1 per blinded independent central review (BICR), or death due to any cause, whichever comes first. Progressive disease (PD)=At least a 20% increase in the sum of diameters of target lesions. The sum must also demonstrate an absolute increase of at least 5 mm.

Time frame:
From date of randomization to disease progression, or death, whichever comes first (Up to 37 months)
Reported as:
Median · Months
Progression-free Survival (PFS) Per Blinded Independent Central Review (BICR)
MonthsBempegaldesleukin + NivolumabNivolumab
Progression-free Survival (PFS) Per Blinded Independent Central Review (BICR)4.17 (3.52 to 5.55)4.99 (4.14 to 7.82)
Statistical analysis
  • Bempegaldesleukin + Nivolumab vs Nivolumab · Log Rank · p = 0.3988 (Log-rank stratified 2-sided. Boundary for statistical significance p-value \< 0.03) · Hazard ratio (hr): 1.09 · 95% CI 0.89 to 1.33Stratified Cox proportional hazard model. Hazard Ratio is NKTR-214 + Nivolumab over Nivolumab
PrimaryOverall Survival (OS)

OS is defined as the time between the date of randomization and the date of death due to any cause. Participants who do not have a date of death will be censored on the last date for which a participant was known to be alive.

Time frame:
From date of randomization to date of death (Up to 37 months)
Reported as:
Median · Months
Overall Survival (OS)
MonthsBempegaldesleukin + NivolumabNivolumab
Overall Survival (OS)29.67 (22.14 to NA)28.88 (21.32 to NA)
Statistical analysis
  • Bempegaldesleukin + Nivolumab vs Nivolumab · Log Rank · p = 0.6361 · Hazard ratio (hr): 0.94 · 95% CI 0.72 to 1.22Stratified Cox proportional hazard model. Hazard Ratio is NKTR-214 + Nivolumab over Nivolumab.
SecondaryClinical Benefit Rate (CBR) Per Blinded Independent Central Review (BICR)

CBR, or equivalently the disease control rate (DCR) is defined as the percentage of participants with a best overall response of complete response (CR), partial response (PR), or stable disease (SD) as assessed by blinded independent central review (BICR) using RECIST v 1.1. CR=Disappearance of all target lesions. Any pathological lymph nodes must have reduction in short axis to \< 10 mm. PR=At least a 30% decrease in the sum of diameters of target lesions.SD=Neither sufficient shrinkage to qualify for PR nor sufficient increase to qualify for progressive disease.

Time frame:
From date of randomization to disease progression (Up to 37 months)
Reported as:
Number · Percentage of participants
Clinical Benefit Rate (CBR) Per Blinded Independent Central Review (BICR)
Percentage of participantsBempegaldesleukin + NivolumabNivolumab
Clinical Benefit Rate (CBR) Per Blinded Independent Central Review (BICR)56.1 (50.0 to 62.1)58.5 (52.4 to 64.4)
SecondaryDuration of Response (DoR) Per Blinded Independent Central Review (BICR)

DOR is defined for participants who have a confirmed complete response (CR) or partial results (PR) as the date from first documented CR or PR using RECIST v 1.1 to the date of the documentation of disease progression per blinded independent central review (BICR) assessment or death due to any cause, whichever is earlier. CR=Disappearance of all target lesions. Any pathological lymph nodes must have reduction in short axis to \< 10 mm. PR=At least a 30% decrease in the sum of diameters of target lesions.

Time frame:
From date of randomization to disease progression, or death, whichever is earlier (Up to 37 months)
Reported as:
Median · Months
Duration of Response (DoR) Per Blinded Independent Central Review (BICR)
MonthsBempegaldesleukin + NivolumabNivolumab
Duration of Response (DoR) Per Blinded Independent Central Review (BICR)29.67 (18.89 to NA)NA (26.74 to NA)
SecondaryTime to Objective Response (TTR) Per Blinded Independent Central Review (BICR)

Time to response (TTR) is defined for participants who had a confirmed complete response (CR) or partial response (PR) as the time from the date of randomization to date of first documented CR or PR per blinded independent central review (BICR) assessment using RECIST v 1.1. CR=Disappearance of all target lesions. Any pathological lymph nodes must have reduction in short axis to \< 10 mm. PR=At least a 30% decrease in the sum of diameters of target lesions.

Time frame:
From date of randomization to disease progression (Up to 37 months)
Reported as:
Median · Months
Time to Objective Response (TTR) Per Blinded Independent Central Review (BICR)
MonthsBempegaldesleukin + NivolumabNivolumab
Time to Objective Response (TTR) Per Blinded Independent Central Review (BICR)2.17 (1.0 to 15.3)2.20 (1.2 to 15.5)
SecondaryObjective Response Rate (ORR) Per Investigator

ORR is defined as the percentage of participants with a confirmed best overall response of complete response (CR) or partial response (PR) using RECIST v 1.1 per investigator assessment. CR=Disappearance of all target lesions. Any pathological lymph nodes must have reduction in short axis to \< 10 mm. PR=At least a 30% decrease in the sum of diameters of target lesions.

Time frame:
From date of randomization to disease progression (Up to 37 months)
Reported as:
Number · Percentage of participants
Objective Response Rate (ORR) Per Investigator
Percentage of participantsBempegaldesleukin + NivolumabNivolumab
Objective Response Rate (ORR) Per Investigator29.2 (23.8 to 35.0)36.4 (30.7 to 42.4)
Statistical analysis
  • Bempegaldesleukin + Nivolumab vs Nivolumab · Stratified Cochran-Mantel-Haenszel · p = 0.0626 · Estimate of odds ratio (or): 0.70 · 95% CI 0.48 to 1.02Strata adjusted odds ratio (NKTR-214 + Nivolumab over Nivolumab) using Mantel-Haenszel method.
SecondaryProgression-free Survival (PFS) Per Investigator

PFS is defined as the time between the date of randomization and the first date of documented tumor progression using RECIST v 1.1 per investigator, or death due to any cause, whichever comes first. Progressive disease (PD)=At least a 20% increase in the sum of diameters of target lesions. The sum must also demonstrate an absolute increase of at least 5 mm.

Time frame:
From date of randomization to disease progression, or death, whichever comes first (Up to 37 months)
Reported as:
Median · Months
Progression-free Survival (PFS) Per Investigator
MonthsBempegaldesleukin + NivolumabNivolumab
Progression-free Survival (PFS) Per Investigator4.27 (4.04 to 6.14)6.21 (4.60 to 10.25)
Statistical analysis
  • Bempegaldesleukin + Nivolumab vs Nivolumab · Log Rank · p = 0.3713 (Log-rank stratified 2-sided. Boundary for statistical significance p-value \< 0.03) · Hazard ratio (hr): 1.09 · 95% CI 0.90 to 1.33Stratified Cox proportional hazard model. Hazard Ratio is NKTR-214 + Nivolumab over Nivolumab
SecondaryClinical Benefit Rate (CBR) Per Investigator

CBR, or equivalently the disease control rate (DCR) is defined as the percentage of participants with a best overall response of complete response (CR), partial response (PR), or stable disease (SD) as assessed by investigator using RECIST v 1.1. CR=Disappearance of all target lesions. Any pathological lymph nodes must have reduction in short axis to \< 10 mm. PR=At least a 30% decrease in the sum of diameters of target lesions. SD=Neither sufficient shrinkage to qualify for PR nor sufficient increase to qualify for PD.

Time frame:
From date of randomization to disease progression (Up to 37 months)
Reported as:
Number · Percentage of participants
Clinical Benefit Rate (CBR) Per Investigator
Percentage of participantsBempegaldesleukin + NivolumabNivolumab
Clinical Benefit Rate (CBR) Per Investigator60.5 (54.4 to 66.4)61.8 (55.7 to 67.6)
SecondaryDuration of Response (DoR) Per Investigator

DOR is defined for participants who have a confirmed complete response (CR) or partial results (PR) as the date from first documented CR or PR using RECIST v 1.1 to the date of the documentation of disease progression per investigator assessment or death due to any cause, whichever is earlier. CR=Disappearance of all target lesions. Any pathological lymph nodes must have reduction in short axis to \< 10 mm. PR=At least a 30% decrease in the sum of diameters of target lesions.

Time frame:
From date of randomization to disease progression, or death, whichever is earlier (Up to 37 months)
Reported as:
Median · Months
Duration of Response (DoR) Per Investigator
MonthsBempegaldesleukin + NivolumabNivolumab
Duration of Response (DoR) Per InvestigatorNA (17.31 to NA)NA (21.68 to NA)
SecondaryTime to Objective Response (TTR) Per Investigator

Time to response (TTR) is defined for participants who had a confirmed complete response (CR) or partial response (PR) as the time from the date of randomization to date of first documented CR or PR per investigator assessment using RECIST v 1.1. CR=Disappearance of all target lesions. Any pathological lymph nodes must have reduction in short axis to \< 10 mm. PR=At least a 30% decrease in the sum of diameters of target lesions.

Time frame:
From date of randomization to disease progression (Up to 37 months)
Reported as:
Median · Months
Time to Objective Response (TTR) Per Investigator
MonthsBempegaldesleukin + NivolumabNivolumab
Time to Objective Response (TTR) Per Investigator2.14 (1.6 to 18.3)2.14 (1.8 to 12.2)
SecondaryObjective Response Rate (ORR) Per Blinded Independent Central Review (BICR) by Baseline PD-L1 Status

ORR by baseline PD-L1 tumor cells expression (PD-L1 negative: \<1%) vs. (PD-L1 positive: \>=1%). ORR is defined as the percentage of participants with a confirmed best overall response of complete response (CR) or partial response (PR) using RECIST v 1.1 per blinded independent central review (BICR) assessment. CR=Disappearance of all target lesions. Any pathological lymph nodes must have reduction in short axis to \< 10 mm. PR=At least a 30% decrease in the sum of diameters of target lesions.

Time frame:
From date of randomization to disease progression (Up to 37 months)
Reported as:
Number · Percentage of participants
Objective Response Rate (ORR) Per Blinded Independent Central Review (BICR) by Baseline PD-L1 Status
Percentage of participantsBempegaldesleukin + NivolumabNivolumab
Participants with baseline PD-L1 expression <1%17.6 (10.8 to 26.4)25.2 (17.3 to 34.6)
Participants with baseline PD-L1 expression >=1%36.4 (28.5 to 45.0)47.5 (39.1 to 56.1)
Statistical analysis
  • Bempegaldesleukin + Nivolumab vs Nivolumab · Odds ratio (or): 0.63 · 95% CI 0.32 to 1.24Logistic regression model with treatment, PD-L1 Status and treatment by PD-L1 Status interaction. Responders includes CR+PR
  • Bempegaldesleukin + Nivolumab vs Nivolumab · Stratified Cochran-Mantel-Haenszel · p = 0.9939 · Odds ratio (or): 0.63 · 95% CI 0.39 to 1.02Logistic regression model with treatment, PD-L1 Status and treatment by PD-L1 Status interaction. Responders includes CR+PR
SecondaryProgression-free Survival (PFS) Per Blinded Independent Central Review (BICR) by Baseline PD-L1 Status

PFS by baseline PD-L1 tumor cells expression (PD-L1 negative: \<1%) vs. (PD-L1 positive: \>=1%). PFS is defined as the time between the date of randomization and the first date of documented tumor progression using RECIST v 1.1 per blinded independent central review (BICR), or death due to any cause, whichever comes first. Progressive disease (PD)=At least a 20% increase in the sum of diameters of target lesions. The sum must also demonstrate an absolute increase of at least 5 mm.

Time frame:
From date of randomization to disease progression, or death, whichever comes first (Up to 37 months)
Reported as:
Median · Months
Progression-free Survival (PFS) Per Blinded Independent Central Review (BICR) by Baseline PD-L1 Status
MonthsBempegaldesleukin + NivolumabNivolumab
Participants with baseline PD-L1 expression <1%3.25 (2.20 to 4.24)2.30 (2.17 to 4.17)
Participants with baseline PD-L1 expression >=1%6.24 (4.47 to 10.45)10.51 (6.05 to 28.88)
Statistical analysis
  • Bempegaldesleukin + Nivolumab vs Nivolumab · Hazard ratio (hr): 1.08 · 95% CI 0.81 to 1.43Unstratified Hazard Ratio
  • Bempegaldesleukin + Nivolumab vs Nivolumab · Hazard ratio (hr): 1.12 · 95% CI 0.83 to 1.51Unstratified Hazard Ratio
SecondaryOverall Survival (OS) by Baseline PD-L1 Status

OS by baseline PD-L1 tumor cells expression (PD-L1 negative: \<1%) vs. (PD-L1 positive: \>=1%). OS is defined as the time between the date of randomization and the date of death due to any cause. Participants who do not have a date of death will be censored on the last date for which a participant was known to be alive.

Time frame:
From date of randomization to date of death (Up to 37 months)
Reported as:
Median · Months
Overall Survival (OS) by Baseline PD-L1 Status
MonthsBempegaldesleukin + NivolumabNivolumab
Participants with baseline PD-L1 expression <1%21.16 (15.51 to 26.68)21.13 (16.62 to NA)
Participants with baseline PD-L1 expression >=1%NA (29.67 to NA)NA (28.88 to NA)
Statistical analysis
  • Bempegaldesleukin + Nivolumab vs Nivolumab · Hazard ratio (hr): 0.96 · 95% CI 0.66 to 1.40Unstratified Hazard Ratio
  • Bempegaldesleukin + Nivolumab vs Nivolumab · Hazard ratio (hr): 0.88 · 95% CI 0.58 to 1.33Unstratified Hazard Ratio
SecondaryNumber of Participants With Adverse Events (AEs)

Number of participants with any grade adverse events (AEs) including treatment-related AEs, AEs leading to discontinuation of any drug, serious adverse events (SAEs), treatment-related SAEs, and deaths from first dose to 30 days post last dose. An AE is defined as any new untoward medical occurrence or worsening of a preexisting medical condition in a clinical investigation participant administered study treatment and that does not necessarily have a causal relationship with this treatment.

Time frame:
From first dose to 30 days post last dose (Average of 11 months and a maximum up to 26 months)
Reported as:
Count of participants · Participants
Number of Participants With Adverse Events (AEs)
ParticipantsBempegaldesleukin + NivolumabNivolumab
AEs378364
Drug-related AEs351281
SAEs132130
Drug-related SAEs5732
AEs leading to discontinuation of any Drug6556
Deaths2121
SecondaryNumber of Participants With On-Treatment Laboratory Parameters That Worsened Relative to Baseline

Number of participants with on-treatment laboratory parameters that worsened relative to baseline. Parameters include hematology, chemistry, liver function, and renal function using worst grade (grade 1-4 and grade 3-4) per national cancer institute (NCI) common terminology criteria for adverse events (CTCAE) v5 criteria. Grade 1=Mild event Grade 2=Moderate event Grade 3=Severe event Grade 4=Life threatening event

Time frame:
From first dose to 100 days post last dose (Average of 13 months and a maximum up to 28 months)
Reported as:
Count of participants · Participants
Number of Participants With On-Treatment Laboratory Parameters That Worsened Relative to Baseline
ParticipantsBempegaldesleukin + NivolumabNivolumab
Hemoglobin decreased grade 1-4194173
Hemoglobin decreased grade 3-41722
Platelet count decreased grade 1-43641
Platelet count decreased grade 3-426
Leukocytes decreased grade 1-42946
Leukocytes decreased grade 3-422
Lymphocytes (absolute) decreased grade 1-4304194
Lymphocytes (absolute) decreased grade 3-419930
Absolute Neutrophil count decreased grade 1-47131
Absolute Neutrophil, count decreased grade 3-482
Neutrophils (absolute) decreased grade 1-45729
Neutrophils (absolute) decreased grade 3-4102
Alkaline Phosphatase increased grade 1-49690
Alkaline Phosphatase increased grade 3-426
Aspartate Aminotransferase increased grade 1-496115
Aspartate Aminotransferase increased grade 3-4917
Alanine Aminotransferase increased grade 1-4104132
Alanine Aminotransferase increased grade 3-41113
Bilirubin, total increased grade 1-43646
Bilirubin, total increased grade 3-424
Creatinine increased grade 1-48194
Creatinine increased grade 3-426
Amylase increased grade 1-45178
Amylase increased grade 3-436
Lipase, total increased grade 1-490126
Lipase, total increased grade 3-41717
Hypernatremia grade 1-42947
Hypernatremia grade 3-420
Hyponatremia grade 1-4112123
Hyponatremia grade 3-4611
Hyperkalemia grade 1-49185
Hyperkalemia grade 3-496
Hypokalemia grade 1-43251
Hypokalemia grade 3-452
Hypercalcemia grade 1-44545
Hypercalcemia grade 3-410
Hypocalcemia grade 1-47882
Hypocalcemia grade 3-450
Hypoglycemia grade 1-44239
Hypoglycemia grade 3-430

Adverse events

Collected over Adverse Events (AEs) and Serious Adverse Events (SAEs) are collected from first dose to 100 days post last dose (Average of 13 months and a maximum up to 28 months). Participants were assessed for All-cause mortality from their date of randomization to study completion date (Up to approximately 66 months).. Non-serious events are listed at a 5% frequency threshold.

Adverse event summary by group
GroupDeathsSeriousOther
Bempegaldesleukin + Nivolumab170/391 (43.5%)161/388 (41.5%)357/388 (92%)
Nivolumab173/392 (44.1%)172/382 (45%)336/382 (88%)
Most frequent serious events
Showing 10 of 249
Most frequent serious events
EventBempegaldesleukin + NivolumabNivolumab
Malignant neoplasm progressionNeoplasms benign, malignant and unspecified (incl cysts and polyps)37/38840/382
PneumoniaInfections and infestations4/3888/382
Cerebrovascular accidentNervous system disorders7/3881/382
Acute kidney injuryRenal and urinary disorders7/3883/382
DiarrhoeaGastrointestinal disorders3/3886/382
COVID-19Infections and infestations2/3885/382
MyositisMusculoskeletal and connective tissue disorders1/3885/382
SepsisInfections and infestations5/3884/382
MyocarditisCardiac disorders3/3884/382
FatigueGeneral disorders2/3884/382
Most frequent other events
Showing 10 of 49
Most frequent other events
EventBempegaldesleukin + NivolumabNivolumab
PyrexiaGeneral disorders147/38839/382
FatigueGeneral disorders128/388104/382
PruritusSkin and subcutaneous tissue disorders121/38880/382
NauseaGastrointestinal disorders113/38867/382
RashSkin and subcutaneous tissue disorders108/38863/382
ArthralgiaMusculoskeletal and connective tissue disorders99/38867/382
DiarrhoeaGastrointestinal disorders96/38880/382
HypothyroidismEndocrine disorders74/38852/382
Influenza like illnessGeneral disorders71/3889/382
AstheniaGeneral disorders68/38842/382

Baseline characteristics

Age, Continuous
Age, Continuous(Years)Bempegaldesleukin + NivolumabNivolumabTotal
Mean61.3 ± 13.260.4 ± 13.560.8 ± 13.3
Sex: Female, Male
Sex: Female, Male(Participants)Bempegaldesleukin + NivolumabNivolumabTotal
Female162163325
Male229229458
Ethnicity (NIH/OMB)
Ethnicity (NIH/OMB)(Participants)Bempegaldesleukin + NivolumabNivolumabTotal
Hispanic or Latino8173154
Not Hispanic or Latino165153318
Unknown or Not Reported145166311
Race/Ethnicity, Customized
Race/Ethnicity, Customized(Participants)Bempegaldesleukin + NivolumabNivolumabTotal
White379379758
Black or African American246
Asian101
American Indian or Alaska Native527
Other4711
08

Study locations

167 sites
  • Local Institution - 0187
    Tucson, Arizona 85724, United States
  • Local Institution - 0014
    La Jolla, California 92093, United States
  • Local Institution - 0122
    Stanford, California 94305, United States
  • Local Institution - 0051
    Aurora, Colorado 80045, United States
  • Local Institution - 0065
    New Haven, Connecticut 06510, United States
  • Local Institution - 0017
    Miami Beach, Florida 33140, United States
  • Local Institution - 0153
    Miami, Florida 33136, United States
  • Local Institution - 0112
    Tampa, Florida 33612, United States
  • Local Institution - 0012
    Atlanta, Georgia 30322-1013, United States
  • Local Institution - 0019
    Louisville, Kentucky 40202, United States
  • Local Institution - 0018
    Boston, Massachusetts 02215, United States
  • Local Institution - 0188
    Ann Arbor, Michigan 48109, United States
  • Local Institution - 0186
    Fridley, Minnesota 55432, United States
  • Local Institution - 0135
    Saint Louis, Missouri 63110, United States
  • Local Institution - 0016
    Hackensack, New Jersey 07601, United States
  • Local Institution - 0185
    New Brunswick, New Jersey 08903, United States
  • Local Institution - 0141
    New York, New York 10065, United States
  • Local Institution - 0037
    Cleveland, Ohio 44195, United States
  • Local Institution - 0011
    Portland, Oregon 97213, United States
  • Local Institution - 0013
    Portland, Oregon 97239, United States
  • St. Luke's Hospital & Health Network
    Easton, Pennsylvania 18045, United States
  • Local Institution - 0015
    Philadelphia, Pennsylvania 19111, United States
  • Local Institution - 0001
    Houston, Texas 77030, United States
  • Local Institution - 0064
    Fairfax, Virginia 22031, United States
  • Local Institution - 0109
    Ciudad Autonoma de Buenos Aires, Buenos Aires 1430, Argentina
  • Local Institution - 0107
    Buenos Aires, Ciudad Autónoma De Buenos Aires C1118AAT, Argentina
  • Local Institution - 0183
    Buenos Aires, Distrito Federal C1017, Argentina
  • Local Institution - 0108
    Caba, 1426, Argentina
  • Local Institution - 0157
    Cordoba, 5000, Argentina
  • Local Institution - 0146
    Coffs Harbour, New South Wales 2450, Australia
  • Local Institution - 0053
    North Sydney, New South Wales 2060, Australia
  • Local Institution - 0058
    Cairns, Queensland 4870, Australia
  • Local Institution
    Greenslopes, Queensland 4120, Australia
  • Local Institution - 0056
    Woolloongabba, Queensland 4102, Australia
  • Local Institution - 0172
    Elizabeth Vale, South Australia 5112, Australia
  • Local Institution - 0054
    Melbourne, Victoria 3000, Australia
  • Local Institution - 0143
    Melbourne, Victoria 3004, Australia
  • Local Institution - 0057
    Nedlands, Western Australia 6009, Australia
  • Local Institution - 0097
    Nedlands, Western Australia 6009, Australia
  • Local Institution - 0034
    Graz, 8036, Austria
  • Local Institution - 0035
    Salzburg, 5020, Austria
  • Local Institution - 0033
    Wien, 1090, Austria
  • Local Institution - 0083
    Bruxelles, 1000, Belgium
  • Local Institution - 0084
    Hasselt, 3500, Belgium
  • Local Institution - 0085
    Leuven, B-3000, Belgium
  • Local Institution - 0168
    Fortaleza, Ceara 60130-241, Brazil
  • Local Institution - 0125
    Belo Horizonte, Minas Gerais 30130-090, Brazil
  • Local Institution - 0124
    Ijui, RIO Grande DO SUL 98700-000, Brazil
  • Local Institution - 0127
    Porto Alegre, RIO Grande DO SUL 90610-000, Brazil
  • Local Institution - 0171
    Itajai, Santa Catarina 88301-220, Brazil
  • Local Institution - 0126
    Barretos, Sao Paulo 14780-070, Brazil
  • Local Institution - 0182
    Rio De Janeiro, 20231-050, Brazil
  • Local Institution - 0169
    Sao Paulo, 01509-010, Brazil
  • Local Institution - 0068
    Abbotsford, British Columbia V2S 0C2, Canada
  • Local Institution - 0139
    St. John's, Newfoundland and Labrador A1B 3V6, Canada
  • Local Institution - 0066
    Hamilton, Ontario L8V 5C2, Canada
  • Local Institution - 0067
    Kitchener, Ontario N2G 1G3, Canada
  • Local Institution - 0041
    Toronto, Ontario M5G 2M9, Canada
  • Local Institution - 0121
    Edmonton, T6X 1E8, Canada
  • Local Institution
    Quebec, G1R 2J6, Canada
  • Local Institution - 0174
    Recoleta, Metropolitana 0, Chile
  • Local Institution - 0173
    Santiago, Metropolitana 8330024, Chile
  • Local Institution - 0094
    Brno, 656 53, Czechia
  • Local Institution - 0093
    Hradec Kralove, 500 05, Czechia
  • Local Institution - 0091
    Praha 10, 100 34, Czechia
  • Local Institution - 0092
    Praha 2, 128 08, Czechia
  • Local Institution - 0166
    Tampere, Oulun Lääni FI-33520, Finland
  • Local Institution - 0167
    KYS, 70029, Finland
  • Local Institution - 0165
    Turku, 20520, Finland
  • Centre Hospitalier Universitaire de Bordeaux Hospital Saint Andre
    Bordeaux, 33075, France
  • Hopital Claude Huriez
    Lille, 59000, France
  • Hopital Saint Eloi
    Montpellier Cedex 05, 34295, France
  • Local Institution - 0003
    Nantes Cedex 1, 44093, France
  • Local Institution - 0155
    Nice, 06200, France
  • Hopital Saint Louis
    Paris, 75475, France
  • Centre Hospitalier Lyon Sud
    Pierre Benite, 69310, France
  • CHU Charles Nicolle
    Rouen, 76000, France
  • Local Institution - 0009
    Saint Priest en Jarez, 42270, France
  • Local Institution - 0002
    Toulouse Cedex 9, 31059, France
  • Institute Gustave Roussy
    Villejuif, 94805, France
  • Local Institution - 0031
    Buxtehude, 21614, Germany
  • Local Institution - 0029
    Dresden, 01307, Germany
  • Local Institution - 0192
    Erfurt, 99089, Germany
  • Local Institution - 0026
    Essen, 45147, Germany
  • Local Institution - 0030
    Goettingen, 37075, Germany
  • Local Institution - 0023
    Hamburg, 20251, Germany
  • Local Institution - 0024
    Hannover, D30625, Germany
  • Local Institution - 0020
    Heidelberg, 69120, Germany
  • Local Institution - 0028
    Kiel, 24105, Germany
  • Local Institution - 0022
    Leipzig, 04103, Germany
  • Local Institution - 0021
    Muenchen, 80337, Germany
  • Local Institution - 0027
    Münster, 48157, Germany
  • Local Institution - 0060
    Regensburg, 93053, Germany
  • Local Institution - 0025
    Tuebingen, 72076, Germany
  • Local Institution - 0032
    Wuerzburg, 97080, Germany
  • Local Institution - 0038
    Athens, 11526, Greece
  • Local Institution - 0039
    Neo Faliro, 18547, Greece
  • Local Institution - 0040
    Thessaloniki, 57001, Greece
  • Local Institution - 0136
    Wilton, Cork 0, Ireland
  • Local Institution - 0129
    Dublin 7, Dublin 0, Ireland

Showing the first 100 of 167 sites across 27 countries.

09

References and documents

Publications

  • Khushalani NI, Diab A, Ascierto PA, Larkin J, Sandhu S, Sznol M, Koon HB, Jarkowski A, Zhou M, Statkevich P, Geese WJ, Long GV. Bempegaldesleukin plus nivolumab in untreated, unresectable or metastatic melanoma: Phase III PIVOT IO 001 study design. Future Oncol. 2020 Oct;16(28):2165-2175. doi: 10.2217/fon-2020-0351. Epub 2020 Jul 29. PubMed 32723187 ↗

Study documents

  • Protocol and statistical analysis plan · May 19, 2022

Documents are hosted by the registry — open the source record to download them.

10

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Apr 1, 2025, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
11

Registry details

Key details

Study ID
NCT03635983
Lead sponsor
Bristol-Myers Squibb
Collaborators
Nektar Therapeutics
Responsible party
Sponsor
First posted
Aug 17, 2018
Start date
Sep 21, 2018
Primary completion
Nov 19, 2021
Completion
Mar 19, 2024
Results posted
Dec 19, 2022
Last update
Apr 1, 2025

Study contacts

Bristol-Myers Squibb
study director · Bristol-Myers Squibb

Oversight

Data monitoring committee
Yes
FDA-regulated drug
Yes
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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