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Debio 0123 and Sacituzumab govitecan

Phase 1

Advanced Breast Cancer | Small molecule | Oncology |Gilead Sciences, Inc.|Last Updated: Dec 5, 2025

Success Probability

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Market & Valuation

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Trial Design

UNCONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment76

FDA Designations

No designations recorded

Clinical trial landscape

Debio 0123 and Sacituzumab govitecan · 1 trial · 1 indication

Phase 1 1
NCT06612203Clinical Study to Evaluate Debio0123 + Sacituzumab Govitecan Combination in TNBC or HR+/HER2- Advanced Breast CancerAdvanced Breast Cancer
ACTIVE NOT_RECRUITING76 Analytics
PHASE1ACTIVE NOT_RECRUITING
Clinical Study to Evaluate Debio0123 + Sacituzumab Govitecan Combination in TNBC or HR+/HER2- Advanced Breast Cancer
Advanced Breast CancerUnlock trial analytics

Study Endpoints

Primary Endpoints

Phase Ib - Debio 0123's recommended phase II dose (RP2D) when administered in combination with Sacituzumab govitecan in patients with TNBC or HR+/HER2- metastatic breast cancer.
Baseline up to 42 days.

The RP2D of Debio 0123 when used in combination with Sacituzumab govitecan will be determined based upon evaluation of dose-limiting toxicities (DLTs), adverse events (AEs) and other available data from secondary endpoints.

Phase II - Efficacy in terms of objective response rate (ORR) as per RECIST v.1.1 in each cohort.
Approximately 9 months from baseline.

ORR, defined as the rate of patients with complete response (CR) or partial response (PR), as determined locally by the investigator using RECIST v.1.1 in patients with TNBC and HR+/HER2- advanced/metastatic breast cancer.

Secondary Endpoints

Safety and tolerability.
Approximately 9 months from baseline.
Preliminary objective response rate (ORR) in TNBC and HR+/HER2- advanced/metastatic breast cancer patients.
Approximately 9 months from baseline.
Efficacy in terms of PFS as per RANO-BM for intracranial lesions and RECIST v.1.1 for extracranial lesions in patients with metastatic TNBC and HR+/HER2- advanced/metastatic breast cancer patients.
Approximately 9 months from baseline.
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Study Design & Arms

AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Debio 0123 + Sacituzumab govitecanEXPERIMENTALPhase Ib of the study will adopt the Bayesian Logistic Regression Model (BLRM) with Overdosing Control. Patients with TNBC and HR+/HER2- advanced/metastatic breast cancer will receive multiple doses of Debio 0123 administered orally during 6 days of each 21-day cycle and 10 mg/kg of Sacituzumab govitecan administered intravenously on D1 and D8 of each 21-day cycle in order to find the RP2D for Debio 0123 when administered in combination with Sacituzumab govitecan. In phase II study, patients with TNBC or HR+/HER2- advanced/metastatic breast cancer will receive the RP2D of Debio 0123 administered orally during 6 days of each 21-day cycle in combination with 10 mg/kg of Sacituzumab govitecan administered intravenously on D1 and D8 of each 21-day cycle until documented disease progression, death, unacceptable toxicity, or discontinuation from the study treatment for any other reason, whichever occurs first.

Interventions

NameTypeDescription
Debio 0123 and Sacituzumab govitecanDRUGDebio 0123 will be administered orally during 6 days of each 21-day cycle in combination with 10 mg/kg of Sacituzumab govitecan administered intravenously on D1 and D8 of each 21-day cycle until documented disease progression, death, unacceptable toxicity, or discontinuation from the study treatment for any other reason, whichever occurs first.
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites7

Inclusion Criteria: 1. Patient must be capable to understand the purpose of the study and have signed written informed consent form (ICF) prior to beginning specific protocol procedures. 2. Female or male patients ≥ 18 years of age at the time of signing ICF. 3. Unresectable locally recurrent or me...

Countries:SpainUnited Kingdom
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Competitive Landscape -Breast Cancer 402 trials (matched to "Advanced Breast Cancer")

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 Debio 0123 and Sacituzumab govitecan

What is Debio 0123 and Sacituzumab govitecan used for in advanced breast cancer?

Debio 0123 and Sacituzumab govitecan is an investigational combination being studied for the treatment of advanced breast cancer, specifically in patients with triple-negative breast cancer (TNBC) or hormone receptor-positive, HER2-negative (HR+/HER2-) advanced breast cancer. It is currently in Phase 1 clinical development.

What does Debio 0123 and Sacituzumab govitecan target?

The combination of Debio 0123 and Sacituzumab govitecan is being evaluated for its anticancer activity in advanced breast cancer. Sacituzumab govitecan is an antibody-drug conjugate that targets Trop-2, a protein expressed on many solid tumors, while Debio 0123 is a small molecule. The specific molecular target of Debio 0123 is not disclosed in the available information.

Who makes Debio 0123 and Sacituzumab govitecan?

Debio 0123 and Sacituzumab govitecan is being developed by Gilead Sciences, Inc., a biopharmaceutical company traded on the NASDAQ under the ticker symbol GILD. The combination is being studied in a Phase 1 clinical trial for advanced breast cancer.

What phase is Debio 0123 and Sacituzumab govitecan in?

Debio 0123 and Sacituzumab govitecan is in Phase 1 clinical development. It is an investigational combination therapy and has not been approved by regulatory authorities. The ongoing Phase 1 trial is actively enrolling participants to evaluate the safety and efficacy of the combination in advanced breast cancer.

What clinical trials is Debio 0123 and Sacituzumab govitecan in?

Debio 0123 and Sacituzumab govitecan is being studied in a single Phase 1 clinical trial with the identifier NCT06612203. This trial is titled 'Clinical Study to Evaluate Debio0123 + Sacituzumab Govitecan Combination in TNBC or HR+/HER2- Advanced Breast Cancer' and is active but not recruiting participants. The trial is enrolling 76 patients in Spain and the United Kingdom.

Is Debio 0123 and Sacituzumab govitecan the same as sacituzumab govitecan alone?

No, Debio 0123 and Sacituzumab govitecan is a combination therapy that includes sacituzumab govitecan, an antibody-drug conjugate, plus Debio 0123, a small molecule. This combination is being investigated as a potential treatment for advanced breast cancer, whereas sacituzumab govitecan alone is an approved therapy for certain breast cancer indications.