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Maplirpacept

Phase 1

Lymphoma | Small molecule | Oncology |Pfizer, Inc.|Trials Updated: Nov 20, 2024

Maplirpacept development status

Highest phase Phase 1
Registered trials 3 across 1 sponsor since Nov 2022

Maplirpacept target and mechanism

ModalitySmall molecule

Also known as maplirpacept (PF-07901801), PF-07901801, TTI-622

Success Probability

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Market & Valuation

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Trial Design

UNCONTROLLED
Total Trials2
Total Enrollment17

FDA Designations

No designations recorded

Maplirpacept clinical trials

Maplirpacept · 2 trials · 3 indications

Phase 1 2
NCT05896774A Study to Learn About the Study Medicine (Maplirpacept) in People With Advanced Non-Hodgkin Lymphoma or Multiple Myeloma in ChinaNon-Hodgkin Lymphoma
COMPLETED10 Analytics
NCT05567887A Study to Learn About the Study Medicine (Called Maplirpacept (PF-07901801)) in Japanese With Hematologic MalignanciesLymphoma
COMPLETED7 Analytics
PHASE1COMPLETED
A Study to Learn About the Study Medicine (Maplirpacept) in People With Advanced Non-Hodgkin Lymphoma or Multiple Myeloma in China
Non-Hodgkin LymphomaUnlock trial analytics
PHASE1COMPLETED
A Study to Learn About the Study Medicine (Called Maplirpacept (PF-07901801)) in Japanese With Hematologic Malignancies
LymphomaUnlock trial analytics

Study Endpoints

Primary Endpoints

Number of Participants With Dose-Limiting Toxicity (DLT)
Cycle 1:up to 21 days

Part A only. To characterize the dose limiting toxicities (DLTs) of Maplirpacept.

Single-dose Cmax
0, 1, 2, 4, 24, 72 hours post-dose up to Day 8

Maximum Observed Plasma Concentration

Single-dose AUClast
0, 1, 2, 4, 24, 72 hours post-dose up to Day 8

Area under the plasma concentration time-curve from zero to the last measured concentration (AUClast)

Single-dose AUCtau
0, 1, 2, 4, 24, 72 hours post-dose up to Day 8

Area under the concentration curve from time 0 to end of dosing interval (AUCtau), where dosing interval was 1 week.

Number of Participants with Dose Limiting Toxicity (DLT) in lymphoma
up to 21 days

Number of participants with DLTs

Secondary Endpoints

Number of Participants With Adverse Events (AEs) by type, frequency, severity (as graded by NCI CTCAE verision 5.0), timing, seriousness and relationship to study treatment
Baseline up to 28 days after the last dose of study drug
Number of Participants With Clinically Significant Change From Baseline in Laboratory Abnormalities by type, frequency, severity (as graded by NCI CTCAE version 5.0), and timing
Baseline up to 28 days after the last dose of study drug
Single-dose Tmax (Time to Reach Maximum Observed Plasma Concentration)
0, 1, 2, 4, 24, 72 hours post-dose up to Day8
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Study Design & Arms

AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Maplirpacept (PF-07901801)EXPERIMENTALsingle arm study

Interventions

NameTypeDescription
MaplirpaceptDRUGStudy drug will be administered intravenously with adjustment for body weight weekly over 28-day cycles.
maplirpacept (PF-07901801)DRUGmaplirpacept (PF-07901801)
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites5

Key Inclusion Criteria: * Histologically confirmed relapsed/refractory non-Hodgkin lymphoma without other effective therapeutic option. Or relapsed/refractory multiple myeloma exposed to therapies including PI, IMiD and anti-CD38 antibody. * With measurable disease * Eastern Cooperative Oncology Gr...

Countries:ChinaJapan
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Competitive Landscape -Lymphoma 494 trials

Top 20 of 70 competitors

CompanyTickerTrialsLead PhaseDrugs
Regeneron Pharmaceuticals, Inc.REGN7PHASE3Odronextamab, REGN5837
Merck & Co., Inc.MRK22PHASE3Nemtabrutinib, Zilovertamab vedotin, Pembrolizumab Berahyaluronidase alfa, Pembrolizumab, MK-1045
Eli Lilly and CompanyLLY12PHASE3Pirtobrutinib, LY4152199, LY4584180
AstraZeneca PLCAZN20PHASE3Acalabrutinib, Surovatamig, AZD0486, AZD4512, AZD5492
Novartis AG Sponsored ADRNVS9PHASE3Tisagenlecleucel, Rapcabtagene autoleucel, PIT565, Tulmimetostat
Incyte CorporationINCY16PHASE3Tafasitamab, parsaclisib, Ruxolitinib
Gilead Sciences, Inc.GILD7PHASE3Axicabtagene Ciloleucel, KITE-753, KTE-X19, KITE-197, INT2104
AbbVie, Inc.ABBV14PHASE3Venetoclax, Epcoritamab, ABBV-319, ABBV-453, ABBV-525
Genmab A/S Sponsored ADRGMAB18PHASE3Epcoritamab
Johnson & JohnsonJNJ15PHASE3Ibrutinib, Bortezomib, JNJ-90009530, JNJ-80948543, JNJ-75348780
BeOne Medicines Ltd. Sponsored ADRONC21PHASE3Tacabrutideg, Zanubrutinib, Lenalidomide, Tislelizumab, Sonrotoclax
Bristol-Myers Squibb CompanyBMY19PHASE3Golcadomide, Lenalidomide, Lisocabtagene maraleucel, Nivolumab, CC-122
Pfizer Inc.PFE4PHASE3Brentuximab vedotin, Rituximab, Axitinib, Bosutinib, Crizotinib
Nurix Therapeutics, Inc.NRIX6PHASE3NX-5948, NX-1607, NX-2127
Grifols, S.A. Sponsored ADR Class BGRFS1PHASE3Xembify
ADC Therapeutics LtdADCT3PHASE3Loncastuximab tesirine
Cellectar Biosciences, Inc.CLRB3PHASE3Iopofosine I-131
HUTCHMED (China) Limited Sponsored ADRHCM2PHASE3HMPL-760
Nuvalent, Inc. Class ANUVL1PHASE3Neladalkib
Corvus Pharmaceuticals, Inc.CRVS2PHASE3Soquelitinib
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Frequently asked questions about Maplirpacept

What is maplirpacept?

Maplirpacept is an investigational small molecule developed by Pfizer, Inc. (ticker PFE) for oncology. It is being studied in hematologic cancers, specifically lymphoma, non-Hodgkin lymphoma, and multiple myeloma. It remains in clinical development and is not an approved therapy.

What is maplirpacept used for?

Maplirpacept is being studied for the treatment of hematologic malignancies, including non-Hodgkin lymphoma, lymphoma, and multiple myeloma. Research has been conducted in patients with advanced disease in China and Japan. It is investigational and has not been approved for any use.

Who makes maplirpacept?

Maplirpacept is developed by Pfizer, Inc., which trades under the ticker PFE. Pfizer is the sponsor of the clinical studies evaluating the drug in patients with hematologic malignancies, including non-Hodgkin lymphoma and multiple myeloma.

What phase is maplirpacept in?

Maplirpacept is in Phase 1 clinical development. Both of its recorded Phase 1 studies have been completed, and no active trials are currently listed. It is an investigational agent and has not been approved by the FDA or any other regulatory authority.

What clinical trials is maplirpacept in?

Maplirpacept has been evaluated in two completed Phase 1 trials. NCT05896774 studied it in people with advanced non-Hodgkin lymphoma or multiple myeloma in China, enrolling 10 participants. NCT05567887 studied it in Japanese patients with hematologic malignancies, including lymphoma and multiple myeloma, enrolling 7 participants.

Is maplirpacept the same as PF-07901801?

Yes. Maplirpacept is also known as PF-07901801. The two names refer to the same investigational small molecule developed by Pfizer, Inc. for hematologic malignancies. Searches for either name point to the same drug candidate and the same clinical development program.