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Relatlimab

Phase 3

Melanoma | Monoclonal antibody | Oncology |Bristol-Myers Squibb Company|Trials Updated: Oct 14, 2026

Relatlimab development status

Highest phase Phase 3 (NCT06561386)
Phase scored for BMYPhase 2
Registered trials 34 across 8 sponsors since Oct 2013

Relatlimab target and mechanism

Molecular targetLAG3
Target classInhibitor
ModalityMonoclonal antibody

Also known as Neoadjuvant relatlimab, BMS-986016, Anti-LAG-3 (Anti-Lymphocyte Activation Gene-3), Relatlimab (BMS-986016)

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindCONTROLLEDDMC
Total Trials11
Total Enrollment2,841

FDA Designations

No designations recorded

Relatlimab clinical trials

Relatlimab · 11 trials · 8 indications

Phase 2 4Phase 1 7
NCT05418972A Phase 2 Clinical Trial of Neoadjuvant Relatlimab and Nivolumab in High Risk, Clinical Stage II Cutaneous MelanomaStage II Melanoma
ACTIVE NOT_RECRUITING20 Analytics
NCT06101134A Study to Evaluate Whether Participants With Melanoma Prefer Subcutaneous vs Intravenous Administration of Nivolumab and Nivolumab + Relatlimab Fixed-dose CombinationsMelanoma
ACTIVE NOT_RECRUITING100 Analytics
NCT03743766Nivolumab, BMS-936558 in Combination With Relatlimab, BMS-986016 in Patients With Metastatic Melanoma Naïve to Prior Immunotherapy in the Metastatic SettingMelanoma
COMPLETED43 Analytics
NCT03470922A Study of Relatlimab Plus Nivolumab Versus Nivolumab Alone in Participants With Advanced MelanomaMelanoma
ACTIVE NOT_RECRUITING714 Analytics
PHASE2ACTIVE NOT_RECRUITING
A Phase 2 Clinical Trial of Neoadjuvant Relatlimab and Nivolumab in High Risk, Clinical Stage II Cutaneous Melanoma
Stage II MelanomaUnlock trial analytics
PHASE2ACTIVE NOT_RECRUITING
A Study to Evaluate Whether Participants With Melanoma Prefer Subcutaneous vs Intravenous Administration of Nivolumab and Nivolumab + Relatlimab Fixed-dose Combinations
MelanomaUnlock trial analytics
PHASE2COMPLETED
Nivolumab, BMS-936558 in Combination With Relatlimab, BMS-986016 in Patients With Metastatic Melanoma Naïve to Prior Immunotherapy in the Metastatic Setting
MelanomaUnlock trial analytics
PHASE2ACTIVE NOT_RECRUITING
A Study of Relatlimab Plus Nivolumab Versus Nivolumab Alone in Participants With Advanced Melanoma
MelanomaUnlock trial analytics

Study Endpoints

Primary Endpoints

Pathological response rate
Week 6

The primary endpoint is the pathological response rate at surgery (between days 43 and 56) from the first dose of neoadjuvant study treatment. The pathological response is categorised thus: * Complete pathological response (pCR) - 0% viable tumour cells in the surgical specimen * Near complete pathological response - (near pCR) - \<10% viable tumour * Partial pathological response (pPR) - 10%-50% viable tumour * No pathological response (pNR) - \>50% viable tumour The proportion of participants with a pCR, or near pCR will determine the pathological response rate.

Feasibility of recruitment
2 years

1. Proportion of patients enrolled in the study from the population of patients presenting to the clinic with new stage II disease, and the reason(s) for exclusion. 2. The proportion of stage II patients with residual disease following diagnostic biopsy. 3. Proportion of eligible patients who consent to the study. 4. The number of patients recruited per month compared to the expected 20 patients over 24 months or 0.84 per month.

Percentage of Evaluable Participants That Prefer SC Route of Administration Using the Patient Experience and Preference Questionnaire (PEPQ) (Question 7) After Cycle 4 Day 1 Dose
Cycle 4 Day 1 (each cycle consist of 4 weeks)

PEPQ included 7 items 1. Pain or Discomfort (rated on 1 to 10 scale), 2. Length of time related to administration 3. Length of time related to administration impact amount of time to speak to doctor or nurse about illness or concern 4. Length of time for administration impact time to interact or socialize with other individuals 5. Convenience 6. Satisfaction 7. Choice of which route of administration would be preferred. 95% CI exact confidence interval was reported.

LAG3 Gene Expression From scRNAseq
At Baseline

Percent Lymphocyte-activation gene 3 (LAG3) level (cell surface molecule expressed on activated T cells) expression from scRNAseq

PD1 Expression
At baseline (Week 0)

Percent PD1 (programmed cell death protein 1) expression after completion of lead-in phase.

Change in Tumor Size
At baseline and at 4 weeks

Percentage change in tumor size assessed per Response Evaluation Criteria in Solid Tumors. Per RECIST 1.1, Tumor lesions: Must be accurately measured in at least one dimension (longest diameter in the plane of measurement is to be recorded) with a minimum size of: * 10 mm by CT scan (CT scan slice thickness no greater than 5 mm; see Appendix II on imaging guidance). * 10 mm caliper measurement by clinical exam (lesions which cannot be accurately measured with calipers should be recorded as non-measurable). * 20 mm by chest X-ray.

Overall Response Rate (ORR)
Beginning at 12 weeks post initial treatment, up to 4 years

Percent of participants experiencing Complete Response (CR) + Number of participants experiencing Partial Response (PR)/total patients assessed. Per RECIST v1.1, CR: Disappearance of all target lesions. Any pathological lymph nodes (whether target or non-target) must have reduction in short axis to \<10 mm. PR: At least a 30% decrease in the sum of diameters of target lesions, taking as reference the baseline sum diameters. PD: At least a 20% increase in the sum of diameters of target lesions, taking as reference the smallest sum on study (this includes the baseline sum if that is the smallest on study). In addition to the relative increase of 20%, the sum must also demonstrate an absolute increase of at least 5 mm. (Note: the appearance of one or more new lesions is also considered progression). SD: Neither sufficient shrinkage to qualify for PR nor sufficient increase to qualify for PD, taking as reference the smallest sum diameters while on study.

Overall Response Rate (ORR) - ITT (Intent-to-treat) Population
Beginning at 12 weeks post initial treatment, up to 4 years

Percent of participants experiencing Complete Response (CR) + Number of participants experiencing Partial Response (PR)/total patients assessed. Per RECIST v1.1, CR: Disappearance of all target lesions. Any pathological lymph nodes (whether target or non-target) must have reduction in short axis to \<10 mm. PR: At least a 30% decrease in the sum of diameters of target lesions, taking as reference the baseline sum diameters. PD: At least a 20% increase in the sum of diameters of target lesions, taking as reference the smallest sum on study (this includes the baseline sum if that is the smallest on study). In addition to the relative increase of 20%, the sum must also demonstrate an absolute increase of at least 5 mm. (Note: the appearance of one or more new lesions is also considered progression). SD: Neither sufficient shrinkage to qualify for PR nor sufficient increase to qualify for PD, taking as reference the smallest sum diameters while on study.

Progression Free Survival (PFS)
From randomization to date of first documented tumor progression or death (up to approximately 33 months)

Progression Free Survival (PFS) is defined as the time between the date of randomization and the date of first documented tumor progression, assessed by a blinded independent central review (BICR) (per RECIST v1.1 criteria), or death due to any cause, whichever occurs first. Subjects who die without a reported progression will be considered to have progressed on the date of their death.

Number of Participants with Adverse Events (AEs)
Up to 123 Weeks
Number of Participants with Immune-mediated Adverse Events (IMAEs)
Up to 123 Weeks
Number of Participants with Serious Adverse Events (SAEs)
Up to 123 Weeks
Number of Deaths
Up to 123 Weeks
Number of Participants with AEs Leading to Discontinuation
Up to 123 Weeks
Number of Participants with Dose-Limiting Toxicities (DLTs)
Up to 123 Weeks
Number of Participants with Clinical Laboratory Abnormalities
Up to 123 Weeks
Maximum Observed Plasma Concentration (Cmax) of Relatlimab
Up to 123 Weeks
Time of Maximum Observed Plasma Concentration (Tmax) of Relatlimab
Up to 123 Weeks
Trough-observed serum concentration (Ctrough) of Relatlimab
Up to 123 Weeks
Number of Participants With Dose Limiting Toxicities
From Day 1 (first dose) untill 6 weeks post first dose

Bevacizumab DLTs: Include any AE causing \>42-day delay, GI perforation, nephrotic syndrome, Grade 3/4 infusion reactions, Death events, neutropenic fever, most non-hematologic toxicities (with specified exceptions), prolonged severe GI/electrolyte issues, significant fatigue, severe liver enzyme elevation, PRES/RPLS, severe hypertension or cardiac events, thromboembolism, major bleeding, wound complications, fistula, necrotizing fasciitis, and severe hematologic toxicity. Immunotherapy DLTs: Include severe immune-related events (eg, colitis, pneumonitis, uveitis), Grade 4 organ toxicities, serious hypersensitivity, prolonged/recurrent AEs, severe electrolyte/GI/fatigue events, Grade 5 events, severe hematologic, hepatic, neurologic, cardiac (myocarditis), and severe dermatologic reactions (eg, SJS/TEN, DRESS).

Objective Response Rate (ORR) Assessed by BICR - All Comer Population
From first dose to the date of first objectively documented progression, per RECIST v1.1, or death due to any cause, whichever occurred first (up to approximately 3 years)

Objective response rate (ORR) is defined as the percentage of participants who achieve a best overall response (BOR) of confirmed complete response (CR) or confirmed partial response (PR), based on blinded independent central review (BICR) assessments using Response Evaluation Criteria in Solid Tumors (RECIST 1.1), divided by the number of all randomized participants. Complete Response (CR): Disappearance of all target lesions. Any pathological lymph nodes (whether target or non-target) must have reduction in short axis to \<10 mm. Partial Response (PR): At least a 30% decrease in the sum of diameters of target lesions, taking as reference the baseline sum diameters.

Objective Response Rate (ORR) Assessed by BICR - All EHSS No Population
From first dose to the date of first objectively documented progression, per RECIST v1.1, or death due to any cause, whichever occurred first (up to approximately 3 years)

Objective response rate (ORR) is defined as the percentage of participants who achieve a best overall response (BOR) of confirmed complete response (CR) or confirmed partial response (PR), based on blinded independent central review (BICR) assessments using Response Evaluation Criteria in Solid Tumors (RECIST 1.1), divided by the number of all randomized participants. Complete Response (CR): Disappearance of all target lesions. Any pathological lymph nodes (whether target or non-target) must have reduction in short axis to \<10 mm. Partial Response (PR): At least a 30% decrease in the sum of diameters of target lesions, taking as reference the baseline sum diameters.

maximum observed serum concentration (Cmax)
approximately 60 days
time of maximum observed serum concentration (Tmax)
approximately 60 days
area under the time-concentration curve over the dosing interval AUC (TAU)
approximately 60 days
Observed concentration at the end of the dosing interval (Ctau)
approximately 60 days
Incidence of Serious Adverse Events (SAEs)
approximately 2 years
Incidence of Adverse Events (AEs)
approximately 2 years
Incidence of Adverse Events leading to discontinuation
approximately 2 years
Number of laboratory abnormalities
approximately 2 years
Number of Participants With Grade 3/Grade 4 Laboratory Test Results
From first dose (Day 1) and within 30 days of last dose of study therapy (up to approximately 69 months)

Laboratory test results are graded using the Common Terminology Criteria for Adverse Events (CTCAE), Version 3.0. Grade 3 = Severe or medically significant but not immediately life-threatening. Grade 4 = Life-threatening or disabling.

Number of Participants With Adverse Events and Deaths
From first dose (Day 1) and within 30 days of last dose of study therapy (up to approximately 69 months)

Adverse events are any unfavorable or unintended signs, symptoms, or diseases occurring in study participants during a clinical trial, regardless of whether they are related to the intervention. They include all-cause mortality, serious adverse events, and other events exceeding a set frequency threshold. Serious adverse events are a subset that result in significant outcomes such as death, life-threatening conditions, hospitalization or its prolongation, persistent or significant disability/incapacity, or other medically important conditions.

Objective Response Rate (ORR)
From the date of first dose (Day 1) to up to the date of objectively documented progression or the date of subsequent anti-cancer therapy, whichever occurs first (up to 80 months)

Objective Response Rate (ORR) is the percentage of participants whose best overall response is Complete Response (CR) or Partial Response (PR) per RECIST v1.1. CR is the disappearance of all target lesions and reduction of pathological lymph nodes to \<10 mm. PR is at least a 30% decrease in the sum of diameters of target lesions from baseline. ORR is calculated as: (Number of participants with CR or PR ÷ Total participants) × 100. Confidence intervals are typically estimated using the Clopper-Pearson method.

Disease Control Rate (DCR)
From the date of first dose (Day 1) to up to the date of objectively documented progression or the date of subsequent anti-cancer therapy, whichever occurs first (up to 80 months)

Disease Control Rate (DCR) is the percentage of participants whose Best Overall Response (BOR) is Complete Response (CR), Partial Response (PR), or Stable Disease (SD) per RECIST v1.1. CR is the disappearance of all target lesions and reduction of any pathological lymph nodes to \<10 mm. PR is at least a 30% decrease in the sum of diameters of target lesions from baseline. SD is neither sufficient shrinkage to qualify for PR nor sufficient increase to qualify for Progressive Disease, taking as reference the smallest sum diameters while on study. DCR is calculated as: (Number of participants with CR, PR, or SD ÷ Total participants) × 100.

Duration of Response (DoR)
From the date of first dose (Day 1) to up to the date of objectively documented progression or the date of subsequent anti-cancer therapy, whichever occurs first (up to 80 months)

Duration of Response (mDOR) is the median time from the first documented occurrence of Complete Response (CR) or Partial Response (PR) until disease progression or death, assessed per RECIST v1.1. CR is the disappearance of all target lesions and reduction of pathological lymph nodes to \<10 mm. PR is at least a 30% decrease in the sum of diameters of target lesions from baseline. Progression is defined as at least a 20% increase in the sum of diameters of target lesions or appearance of new lesions.

Number of adverse events (AE)
Approximately 2.2 years
Number of serious adverse events (SAE)
Approximately 2.2 years
Number of Participants With Adverse Events (AEs), Serious Adverse Events (SAEs), and AEs Leading to Discontinuation
From first dose to 100 days post last dose (Up to 51 months)

Number of participants with any grade adverse events (AEs), any grade serious adverse events (SAEs) and any grade AEs leading to discontinuation of any drug. The severity of AEs will be graded using the National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE) v4.0. 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.

Number of Participants Who Died
From first dose to 135 days post last dose (Up to 52 months)

Number of participants who died due to any cause.

Number of Participants With On-Treatment Laboratory Abnormalities in Specific Hepatics Tests
From first dose to 30 days post last dose (Up to 49 months)

Number of participants with laboratory abnormalities in specific hepatic tests based on SI unit convention. The number of participants with the following laboratory abnormalities from on-treatment evaluations will be summarized: * ALT or AST \> 3 x ULN, \> 5 x ULN, \> 10 x ULN and \> 20 x ULN * Total bilirubin \> 2 x ULN * ALP \> 1.5 x ULN * Concurrent (within 1 day) ALT or AST \> 3 x ULN and total bilirubin \> 1.5 x ULN * Concurrent (within 30 days) ALT or AST \> 3 x ULN and total bilirubin \> 1.5 x ULN * Concurrent (within 1 day) ALT or AST \> 3 x ULN and total bilirubin \> 2 x ULN * Concurrent (within 30 days) ALT or AST \> 3 x ULN and total bilirubin \> 2 x ULN

Objective Response Rate (ORR) - Part D
From first dose date to the date of disease progression per investigator or the date of subsequent therapy, whichever occurs first (Up to approximately 95 months)

Investigator-assessed ORR per International Working Group (IWG 2007) response criteria for malignant lymphoma is defined as the number of participants with a best overall documented response (BOR) of either a complete response (CR) or partial response (PR). Complete response: Disappearance of all evidence of disease. Partial response: Regression of measurable disease and no new sites. \>= 50% decrease in sum of the produce of the diameters of up to 6 largest dominant masses (index lesions); no increase in size of other nodes (non-index lesions). Progressive disease: Any new lesion or increase by \>=50% of previously involved sites from nadir.

Duration of Response (DoR) - Part D
From first dose to the date of the first objectively documented progression, or death due to any cause, whichever occurs first (Up to approximately 95 months)

Investigator-assessed DoR per International Working Group (IWG 2007)) response criteria for malignant lymphoma is defined as the time between the date of first documented response (complete response or partial response) to the date of the first objectively documented progression, or death due to any cause, whichever occurs first. Complete response: Disappearance of all evidence of disease. Partial response: Regression of measurable disease and no new sites. \>= 50% decrease in sum of the produce of the diameters of up to 6 largest dominant masses (index lesions); no increase in size of other nodes (non-index lesions). Progressive disease: Any new lesion or increase by \>=50% of previously involved sites from nadir.

Number of Participants With Adverse Events, Deaths and Clinically Relevant Laboratory Abnormalities
From first dose and within 135 days after last dose of study therapy (Up to approximately 82 months)

An Adverse Event (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. SAEs is any untoward medical occurrence that, at any dose: results in death; is life-threatening; requires inpatient hospitalization; results significant disability; or is a congenital anomaly/birth defect.

Part C, D1, D2, E - Objective Response Rate Per BICR
From first dose to the date of first objectively documented progression, per RECIST v1.1, or death due to any cause, whichever occurred first (up to approximately 127 months)

ORR is defined as the percentage of participants whose best overall response (BOR) is either CR or PR by blinded independent central review (BICR) per response evaluation criteria in solid tumors (RECIST) v1.1 based on Clopper-Pearson method. Complete Response (CR): Disappearance of all target lesions. Any pathological lymph nodes (whether target or non-target) must have reduction in short axis to \\\< 10 mm. Partial Response (PR): At least a 30% decrease in the sum of diameters of target lesions, taking as reference the baseline sum diameters. Progressive Disease (PD): At least a 20% increase in the sum of diameters of target lesions, taking as reference the smallest sum during the study (this includes the baseline sum if that is the smallest on study). In addition to the relative increase of 20%, the sum must also demonstrate an absolute increase of at least 5 mm.

Part C, D1, D2, E - Disease Control Rate (DCR) Per BICR
From first dose to the date of first objectively documented progression, per RECIST v1.1, or death due to any cause, whichever occurred first (up to approximately 127 months)

Disease Control Rate (DCR) (as per Recists v1.1) is defined as the percentage of randomized participants who achieve a BOR of confirmed CR, confirmed PR, or stable disease (SD), based on BICR assessments divided by the number of all randomized participants. Complete Response (CR): Disappearance of all target lesions. Any pathological lymph nodes (whether target or non-target) must have reduction in short axis to \\\< 10 mm. Partial Response (PR): At least a 30% decrease in the sum of diameters of target lesions, taking as reference the baseline sum diameters. Progressive Disease (PD): At least a 20% increase in the sum of diameters of target lesions, taking as reference the smallest sum during the study (this includes the baseline sum if that is the smallest on study). In addition to the relative increase of 20%, the sum must also demonstrate an absolute increase of at least 5 mm.

Part C, D1, D2, E - Duration of Response (DOR) Per BICR
From first dose to the date of first objectively documented progression, per RECIST v1.1, or death due to any cause, whichever occurred first (up to approximately 127 months)

DOR for a participant with a best overall response (BOR) of CR or PR is defined as the time between the date of first response and the date of the first objectively documented tumor progression by blinded independent central review (BICR) per response evaluation criteria in solid tumors (RECIST) v1.1 or death, whichever occurs first. Median computed using Kaplan-Meier method. Complete Response (CR): Disappearance of all target lesions. Any pathological lymph nodes (whether target or non-target) must have reduction in short axis to \\\< 10 mm. Partial Response (PR): At least a 30% decrease in the sum of diameters of target lesions, taking as reference the baseline sum diameters. Progressive Disease (PD): At least a 20% increase in the sum of diameters of target lesions, taking as reference the smallest sum during the study (this includes the baseline sum). In addition to the relative increase of 20%, the sum must also demonstrate an absolute increase of at least 5 mm.

Part D1: Number of Participants With Adverse Events in the Broad Scope Standardized MedDRA (SMQ) Anaphylactic Reaction Occurring Within 2 Days of Any Doses of Study Therapy
From first dose and within 2 days of first dose of study therapy

An Adverse Event (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.

Secondary Endpoints

The positive sentinel node biopsy rate at surgery at week 6
Week 6
The difference in sentinel lymph node (SLN) mapping between baseline and surgery at week 6.
Week 6
The melanoma-related event-free survival (EFS).
10 years
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Study Design & Arms

AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Neoadjuvant immunotherapy +/- Adjuvant immunotherapyEXPERIMENTALNEOADJUVANT: All participants will receive neoadjuvant therapy with the fixed dose combination of intravenous relatlimab 160 mg and nivolumab 480 mg x 2 doses on days 1 and 29. SURGERY: All participants will have sentinel lymph node mapping and biopsy prior to a wide local excision of the primary melanoma between days 43 and 56. ADJUVANT: Participants with no pathological response or partial pathological response will receive the fixed dose combination of intravenous relatlimab 160 mg and nivolumab 480 mg for a further 11 doses.
Cohort 1: Metastatic MelanomaEXPERIMENTAL -
Cohort 2: Resected MelanomaEXPERIMENTAL -
RelatlimabEXPERIMENTALCycle 1: Relatlimab (BMS-986016) is supplied as a sterile 10mg/mL formulation to be administered as an intravenous (IV) infusion at 160 mg IV for the first 4 weeks (cycle 1). Cycle 2+: Combination therapy will be administered by sequential infusion. Nivolumab administered at 480 mg IV followed by infusion of relatlimab at 160 mg IV once every 4 weeks.
NivolumabEXPERIMENTALCycle 1: Nivolumab (BMS-936558) is supplied as a sterile 10-mg/mL formulation to be administered as an IV infusion at 480 mg IV for the first 4 weeks. Cycle 2+: Combination therapy will be administered by sequential infusion. Nivolumab administered at 480 mg IV followed by infusion of relatlimab at 160 mg IV once every 4 weeks.
Relatlimab + NivolumabEXPERIMENTALCycle 1+: Combination therapy will be administered by sequential infusion. Nivolumab administered at 480 mg IV followed by infusion of relatlimab at 160 mg IV for the first 4 weeks (Cycle 1), then once every 4 weeks afterwards.
Arm A: Relatlimab + NivolumabEXPERIMENTALCombination
Arm B: NivolumabEXPERIMENTALMonotherapy
Cohort 1: Relatlimab Dose 1 + NivolumabEXPERIMENTAL -
Cohort 2: Relatlimab Dose 2 + NivolumabEXPERIMENTAL -
Arm A: Relatlimab + Nivolumab + BevacizumabEXPERIMENTAL -
Arm B: Placebo + Nivolumab + BevacizumabEXPERIMENTAL -
nivolumab + relatlimab + rHuPH20EXPERIMENTAL -
Arm AEXPERIMENTALRelatlimab + Nivolumab + BMS-986205
Arm BEXPERIMENTALRelatlimab + Nivolumab + Ipilimumab
MonotherapyEXPERIMENTALRelatlimab (BMS-986016) administered every 2 weeks as a single agent intravenous formulation
Combination TherapyEXPERIMENTALRelatlimab (BMS-986016) will be administered in combination with Nivolumab every 2 weeks or every 4 weeks as an intravenous formulation
Part A - relatlimab (Dose escalation)EXPERIMENTAL -
Part C - relatlimab + nivolumab (Dose escalation)EXPERIMENTAL -
Part B - relatlimab (Cohort expansion)EXPERIMENTAL -
Part D - relatlimab + nivolumab (Cohort expansion)EXPERIMENTAL -
BMS-986213EXPERIMENTALRelatlimab (BMS-986016) + Nivolumab (BMS-936558)

Interventions

NameTypeDescription
Relatlimab and nivolumab fixed dose combination (FDC)DRUGLymphocyte activation gene-3 (LAG-3) and programmed death-1 (PD-1) are two distinct inhibitory immune checkpoints that are often co-expressed on tumor-infiltrating lymphocytes, thus contributing to tumor-mediated T-cell exhaustion. The combination of nivolumab (anti-PD-1) and relatlimab (anti-LAG-3) results in increased T-cell activation compared to the activity of either antibody alone.
relatlimab+nivolumabDRUGSpecified dose on specified days
relatlimab+nivolumab+rHuPH20DRUGSpecified dose on specified days
nivolumabDRUGSpecified dose on specified days
nivolumab+rHuPH20DRUGSpecified dose on specified days
RelatlimabDRUGRelatlimab (BMS-986016) - 10mg/mL formulation to be administered as an intravenous (IV) infusion at 160 mg IV.
Relatlimab + NivolumabDRUGCombination (Relatlimab + Nivolumab) therapy will be administered by sequential infusion. Nivolumab administered at 480 mg IV followed by infusion of relatlimab at 160 mg IV.
BevacizumabDRUGSpecified dose on specified days
PlaceboOTHERSpecified dose on specified days
rHuPH20DRUGSpecified dose on Specified days
BMS-986205DRUGSpecified dose on specified days
IpilimumabBIOLOGICALSpecified dose on specified days
BMS-986016BIOLOGICALSpecified Dose on Specified Days
BMS-936558BIOLOGICALSpecified Dose on Specified Days
BMS-986213BIOLOGICALRelatlimab + Nivolumab
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites1

Inclusion Criteria: 1. The patient (or legally acceptable representative, if applicable) provides written informed consent for the trial. 2. Male/female patients who are at least 18 years of age on the day of signing informed consent. 3. Histologically confirmed primary cutaneous melanoma from a pa...

Countries:AustraliaUnited StatesChileGreeceItalySpainArgentinaAustriaBelgiumBrazilCanadaColombiaDenmarkFinlandFranceGermanyIsraelMexicoNew ZealandNorwayPolandRomaniaRussiaSwedenUnited KingdomChinaHong KongJapanPuerto RicoSingaporeSouth KoreaTaiwanSwitzerlandNetherlands
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Recent Changes (Last 90 Days)

MEDIUMOct 1, 2026NCT03743766TRIAL_REMOVED: changed
MEDIUMOct 1, 2026NCT03743766TRIAL_REMOVED: changed
MEDIUMOct 1, 2026NCT03743766TRIAL_REMOVED: changed
MEDIUMOct 1, 2026NCT03743766TRIAL_REMOVED: changed
LOWSep 15, 2026NCT06101134Completion: 2027-02-26 → 2026-12-21
LOWSep 15, 2026NCT06101134Completion: 2027-02-26 → 2026-12-21
LOWSep 15, 2026NCT06101134Completion: 2027-02-26 → 2026-12-21
LOWAug 20, 2026NCT06101134Completion: 2027-08-31 → 2027-02-26
LOWAug 20, 2026NCT06101134Completion: 2027-08-31 → 2027-02-26
LOWAug 20, 2026NCT06101134Completion: 2027-08-31 → 2027-02-26
LOWAug 20, 2026NCT06101134Completion: 2027-08-31 → 2027-02-26

Frequently asked questions about Relatlimab

What is relatlimab used for?

Relatlimab is an investigational monoclonal antibody being studied in oncology for advanced cancer, advanced solid tumors, melanoma, hepatocellular carcinoma, and hematologic neoplasms. It is being developed primarily in combination with nivolumab across these tumor types, including high risk clinical stage II cutaneous melanoma and advanced liver cancer.

What does relatlimab target?

Relatlimab targets LAG3, also known as lymphocyte activation gene 3. It is a LAG3 inhibitor monoclonal antibody. By binding LAG3, relatlimab is designed to block an inhibitory checkpoint receptor on immune cells, which is being studied as a way to support antitumor immune responses in combination with nivolumab.

Who makes relatlimab?

Relatlimab is developed by Bristol-Myers Squibb Company, which trades under the ticker BMY. The company is studying relatlimab both as a single agent and in fixed dose combination with nivolumab across multiple cancer indications.

What phase is relatlimab in?

Relatlimab is in Phase 1 clinical development. It is investigational and has not been approved. The Phase 1 program includes studies in Chinese participants with advanced solid tumors and in advanced liver cancer in combination with nivolumab and bevacizumab.

What clinical trials is relatlimab in?

Relatlimab trials include NCT06101134, a Phase 2 study of subcutaneous versus intravenous nivolumab and nivolumab plus relatlimab in melanoma; NCT05498480, a completed Phase 1 study in Chinese participants with advanced solid tumors; NCT05418972, a Phase 2 neoadjuvant study in stage II melanoma; and NCT05337137, a completed Phase 1 study in advanced liver cancer.

Is relatlimab the same as BMS-986016?

Yes, BMS-986016 is an alternative name for relatlimab. The asset is also referred to as relatlimab plus nivolumab, relatlimab and nivolumab fixed dose combination (FDC), and neoadjuvant relatlimab, reflecting the combination regimens under study.