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PRT3645

Phase 1

Breast Cancer | Small molecule | Oncology |Prelude Therapeutics Incorporated|Last Updated: Jul 1, 2024

Success Probability

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Market & Valuation

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Trial Design

UNCONTROLLED
Total Trials1
Total Enrollment22

FDA Designations

No designations recorded

Clinical trial landscape

PRT3645 · 1 trial · 7 indications

Phase 1 1
NCT05538572A Study of PRT3645 in Participants With Select Advanced or Metastatic Solid TumorsBreast Cancer
COMPLETED22 Analytics
PHASE1COMPLETED
A Study of PRT3645 in Participants With Select Advanced or Metastatic Solid Tumors
Breast CancerUnlock trial analytics

Study Endpoints

Primary Endpoints

Dose limiting toxicity (DLT) of PRT3645
Baseline through Day 28

Dose limiting toxicity will be evaluated over the 28-day observation period

Safety and tolerability of PRT3645: AEs, CTCAE Assessments
Baseline through approximately 2 years

Safety and tolerability will be evaluated by incidence of DLTs, laboratory measurements, severity of adverse events (AEs) according to National Cancer Institute Common Terminology Criteria for Adverse Events (NCI CTCAE) v5.0.

Maximally tolerated dose (MTD)/Recommended phase 2 dose (RP2D) of PRT3645
Baseline through approximately 2 years

The MTD/RP2D will be established for further investigation in participants with advanced solid tumors

Secondary Endpoints

Efficacy of PRT3645: Tumor assessment and responses
Baseline through approximately 2 years
Pharmacokinetic profile of PRT3645: Minimum and maximum observed plasma concentration
Baseline through approximately 2 years
Pharmacodynamic effect of PRT3645: Target engagement
Baseline through approximately 2 years
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Study Design & Arms

AllocationNA
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
PRT3645EXPERIMENTALPRT3645 capsules will be self-administered once daily, continuously, at the dose-level assigned

Interventions

NameTypeDescription
PRT3645DRUGPRT3645 capsules will be self-administered once daily, continuously, at the dose-level assigned
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites13

Inclusion Criteria: * Histologically confirmed advanced, recurrent, or metastatic solid tumor malignancy that have either progress or ineligible for standard of care therapy: 1. HR+ and HER2- or HR+ and HER2+ breast cancer 2. Recurrent GBM (IDH wild type) or CDKN2A/B homozygous deleted IDH-mut...

Countries:United StatesSingapore
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Competitive Landscape -Breast Cancer 402 trials

Top 20 of 92 competitors

CompanyTickerTrialsLead PhaseDrugs
AstraZeneca PLCAZN47PHASE3Fulvestrant, Capivasertib
Merck & Co., Inc.MRK12PHASE3Pembrolizumab, Paclitaxel, Doxorubicin, Epirubicin, Cyclophosphamide
Eli Lilly and CompanyLLY27PHASE3Abemaciclib, Standard Adjuvant Endocrine Therapy
BioNTech SE Sponsored ADRBNTX7PHASE3DB-1303/BNT323, T-DM1
Gilead Sciences, Inc.GILD13PHASE3Sacituzumab Govitecan-hziy, Eribulin, Capecitabine Product, Gemcitabine, Vinorelbine
Novartis AG Sponsored ADRNVS30PHASE3Ribociclib
Pfizer Inc.PFE34PHASE3ARV-471, Fulvestrant
BeOne Medicines Ltd. Sponsored ADRONC5PHASE3BGB-43395, Letrozole, Abemaciclib, Palbociclib, Ribociclib
Olema Pharmaceuticals, Inc.OLMA5PHASE3Palazestrant, Fulvestrant, Anastrozole, Letrozole, Exemestane
Jazz Pharmaceuticals Public Limited CompanyJAZZ3PHASE3Zanidatamab, Trastuzumab, Eribulin, Vinorelbine, Gemcitabine
Celcuity Inc.CELC3PHASE3Gedatolisib, Palbociclib, Fulvestrant, Alpelisib
Relay Therapeutics, Inc.RLAY2PHASE3Zovegalisib, Capivasertib, Fulvestrant
GSK plc Sponsored ADRGSK2PHASE3Niraparib
Greenwich LifeSciences, Inc.GLSI1PHASE3GLSI-100
Bristol-Myers Squibb CompanyBMY5PHASE2Iza-bren, Nab-paclitaxel, Paclitaxel, Capecitabine, Carboplatin
BriaCell Therapeutics CorpBCTX2PHASE3SV-BR-1-GM, Cyclophosphamide, Interferon infiltration of the inoculation site, Retifanlimab, Treatment of Physician's Choice
Incyte CorporationINCY4PHASE2Ruxolitinib, Capecitabine, Regorafenib
Natera, Inc.NTRA3PHASE2Discontinuation of the anti-HER2 maintenance therapy
Puma Biotechnology, Inc.PBYI3PHASE2Neratinib, Loperamide, Colesevelam
Atossa Therapeutics, Inc.ATOS1PHASE2endoxifen, goserelin
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Frequently asked questions about PRT3645

What is PRT3645 used for?

PRT3645 is an investigational small molecule being studied for the treatment of breast cancer. It is also being evaluated in other advanced or metastatic solid tumors, including glioblastoma, head and neck squamous cell carcinoma, malignant mesothelioma, non-small cell lung cancer, sarcoma, and endometrial cancer.

Who makes PRT3645?

PRT3645 is being developed by Prelude Therapeutics Incorporated, a biopharmaceutical company traded on the NASDAQ under the ticker symbol PRLD. The company is conducting clinical research to evaluate the safety and efficacy of this investigational drug in patients with advanced or metastatic solid tumors.

What phase is PRT3645 in?

PRT3645 is in Phase 1 clinical development. It is an investigational drug, meaning it has not been approved by regulatory authorities and is still undergoing clinical trials to assess its safety and effectiveness in patients with select advanced or metastatic solid tumors, including breast cancer.

What clinical trials is PRT3645 in?

PRT3645 has been studied in a Phase 1 clinical trial with the identifier NCT05538572. This trial, titled 'A Study of PRT3645 in Participants With Select Advanced or Metastatic Solid Tumors,' enrolled 22 participants and has been completed. The study was conducted in the United States and Singapore.

Is PRT3645 the same as other drugs?

PRT3645 is a distinct investigational small molecule developed by Prelude Therapeutics. No alternative names for PRT3645 have been disclosed in the clinical trial information. It is being studied as a monotherapy in an uncontrolled, non-randomized Phase 1 trial for advanced or metastatic solid tumors.