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ALKS 4230

Phase 1

Advanced Solid Tumors | Monoclonal antibody | Oncology |Mural Oncology plc|Last Updated: May 21, 2025

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
CONTROLLEDBiomarker
Total Trials2
Total Enrollment359
FDA Designations
No designations recorded
Clinical Trials (2)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT03861793A Dose Escalation and Cohort Expansion Study of Subcutaneously-Administered Cytokine ALKS 4230 (Nemvaleukin Alfa) as a Single Agent and in Combination With Anti-PD-1 Antibody (Pembrolizumab) in Subjects With Select Advanced or Metastatic Solid Tumors (ARTISTRY-2)PHASE1 COMPLETED 116Feb 26, 2019Mar 1, 2023Mar 5, 202448 United States, Canada +4
NCT02799095A Study of the Effects of ALKS 4230 (Nemvaleukin Alfa) on Subjects With Solid TumorsPHASE1 COMPLETED 243Sep 14, 2016Aug 2, 2023May 21, 202531 United States, Australia +5
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Study Endpoints
Primary Endpoints
Incidence of Adverse Events (AEs), and identify the RP2D of ALKS 4230 in Part A
From time of initiation of therapy until 30 days after last dose of study drug, assessed up to 24 months

Includes AEs that are both serious and drug-related

Number of subjects experiencing AEs that are both serious and drug-related in Part B
From time of initiation of therapy until 30 days after last dose of study drug, assessed up to 24 months

Includes AEs that are both serious and drug-related

Clinical Activity of combination treatment with ALKS 4230 and pembrolizumab in each Part B tumor type.
From time of therapy until the date of first documented tumor progression, assessed up to 24 months

Overall Response rate (ORR) will be based on investigator review of radiographic and photographic images

Part A: Number of Participants With Dose-limiting Toxicities (DLTs) Based on Common Terminology Criteria for Adverse Events (CTCAE)
Cycle 1 Day 1 through Cycle 2 Day 15 (Cycle 1 length = 14 days; Cycle 2 length= 21 days)

DLT was defined by any of following events possibly, probably, or definitely related to ALKS 4230: Grade 4 neutrophil count decreased (neutropenia); Febrile neutropenia; CTCAE Grade 4 thrombocytopenia; Thrombocytopenia; Any Grade 3 cardiac or central nervous system toxicity; Liver transaminase elevation higher than 8\*upper limit of normal (ULN) or total bilirubin higher than 6\*ULN; Grade 4 hypoalbuminemia; Fever more than (\>) 40 degree Celsius (°C) sustained for \>24 hours; Hypotension required the use of pressors or prolonged hospitalization (\>48 hours) for hypotension requiring medical intervention; Grade 3 or higher electrolyte abnormalities; Increase in amylase or lipase; Grade 3 or higher nausea, vomiting, or diarrhea; Any other Grade 4 nonhematologic toxicity or any other Grade 3 non-hematologic toxicity; Any other toxicity or adverse event (AE) not defined above that resulted in participant removal from the study or discontinuation of dosing by the Investigator.

Parts A, B, and C: Number of Participants With Treatment-emergent Adverse Events (TEAEs)
From first dose of study drug until 30 days after last dose (up to 10 months for Part A; up to 41.3 months for Part B; up to 51.5 months for Part C)

TEAEs were defined as AEs that were newly occurring or worsening from the time of the first dose of study drug. An AE was any untoward medical occurrence in a participant or clinical investigation participant administered a pharmaceutical product.

Parts A, B, and C: Number of Participants With TEAEs by Severity Grading
From first dose of study drug until 30 days after last dose (up to 10 months for Part A; up to 41.3 months for Part B; up to 51.5 months for Part C)

TEAEs were defined as AEs that were newly occurring or worsening from the time of the first dose of study drug. Severity was graded according to the National Cancer Institute (NCI) CTCAE (version 4.03) where, Grade 1: Mild- asymptomatic or mild symptoms; clinical or diagnostic observations only; intervention not indicated. Grade 2: Moderate- minimal, local or noninvasive intervention indicated; limiting age-appropriate instrumental activities of daily living (ADL) Grade 3: Severe or medically significant but not immediately life-threatening; hospitalization or prolongation of hospitalization indicated; disabling; limiting self-care ADL. Grade 4: Life-threatening consequences; urgent intervention indicated. Grade 5: Death related to AE. As planned, Grades 1 and 2 were combined for reporting.

Parts B and C: Overall Response Rate (ORR) Based on Response Evaluation Criteria in Solid Tumors (RECIST) Version (v) 1.1
From first dose of study drug up to 40.3 months for Part B and up to 50.5 months for Part C

ORR rate was defined as the percentage of participants with objective evidence of CR or PR based on RECIST v1.1. Complete Response (CR): Disappearance of all target lesions. Any pathological lymph nodes (whether target or non-target) must have reduction in short axis to less than (\<) 10 millimeters (mm). Partial Response (PR): At least a 30 percent (%) decrease in the sum of diameters of target lesions, taking as reference the baseline sum diameters.

Secondary Endpoints
Proportion of subjects with objective evidence of Complete Response (CR)/immune CR (iCR)
From time of initiation of therapy until the date of first documented tumor progression, assessed up to 24 months
Proportion of subjects with objective evidence of Partial Response (PR)/immune PR (iPR)
From time of initiation of therapy until the date of first documented tumor progression, assessed up to 24 months
Duration of response in subjects with CR/iCR
Time from the first documentation of complete response, measured approximately every 6 weeks, to the first documentation of objective tumor progression or death due to any cause (estimated up to 24 months)
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Study Design & Arms
AllocationNON_RANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
ALKS 4230EXPERIMENTALAdministered via SC injection once every 7 days or once every 21 days at escalating doses
ALKS 4230 + pembrolizumabEXPERIMENTALALKS 4230 will be administered via SC injection once every 7 or 21 days at escalating doses or at the recommended phase 2 dose and schedule; pembrolizumab will be administered as an intravenous infusion given over 30 minutes; the dose level for pembrolizumab will be 200 mg per the approved label. In December 2020, an RP2D of 3 mg with an administration schedule of q7d was determined for SC ALKS 4230.
Interventions
NameTypeDescription
ALKS 4230BIOLOGICALSC injection administered in the back of the arm or the abdomen
PembrolizumabBIOLOGICALAdministered as an intravenous (IV) infusion over 30 minutes
ALKS 4230 + pembrolizumabDRUGIV infusion of ALKS 4230 over 30 minutes given daily for 5 consecutive days followed by an off-treatment period; pembrolizumab administered IV once with ALKS 4230 on the first day of each cycle
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites48

Inclusion Criteria: * For Phase I the subject has histological or cytological evidence of a solid tumor. For Phase II the subject must have 1 of the specified adult solid tumor types: gastric, ovarian, lung, head and neck. * Subject must have at least one target lesion based on RECIST * Subject has...

Countries:United StatesCanadaNetherlandsSouth KoreaSpainTaiwanAustraliaBelgiumPoland
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