General Information of This Linker
Linker ID
LIN0UGIEB
Linker Name
An acid-cleavable linker
Antibody-Linker Relation
Cleavable
Each Antibody-drug Conjugate Related to This Linker
Full Information of The Activity Data of The ADC(s) Related to This Linker
FDA018 [Phase 3]
Identified from the Human Clinical Data
Click To Hide/Show 3 Activity Data Related to This Level
Experiment 1 Reporting the Activity Date of This ADC [1]
Patients Enrolled
Key eligibility: Adults with taxane-pretreated TNBC (ER/PR<1%, HER2-negative) eligible for ICC chemotherapy (ECOG 0-1, measurable lesions per RECIST 1.1). Exclusions: active CNS metastases, prior TROP-2/topoisomerase I inhibitors, HIV/HBV/HCV positivity, recent anti-tumor treatments (4 weeks), major surgery (4 weeks), or pregnancy. Requires adequate organ function and tumor tissue availability.

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Administration Dosage
Subjects will receive FDA018-ADC 10 mg/kg of body weight via intravenous (IV) infusion on Day1 and 8 of a 21-day cycle in follow-up period until disease progression, unacceptable toxicity or death.
Related Clinical Trial
NCT Number NCT06519370  Clinical Status PHASE3
Clinical Description
A Phase 3, Open-label, Randomised Study of FDA018-ADC Versus Investigator's Choice of Chemotherapy in Patients Who Recurred During or After Taxane Therapy in Locally Advanced or Metastatic Triple-negative Breast Cancer
Primary Endpoint
Primary endpoints assess PFS (time from randomization to progression per RECIST 1.1 by BICR or death) and OS (time to death from any cause) over 24 months in TNBC patients.
Other Endpoint
Secondary objectives include investigator-assessed PFS, ORR (confirmed CR/PR rates), DoR (response duration), DCR (CR+PR+SD rates), treatment-emergent AEs (CTCAE v5.0 graded), and immunogenicity (ADA presence) for FDA018-ADC, all evaluated over 24 months.
Experiment 2 Reporting the Activity Date of This ADC [2]
Patients Enrolled
Key eligibility: Adults (18-75) with advanced solid tumors (TNBC/UC/NSCLC/SCLC/etc.) refractory to standard therapy (ECOG 0-1, measurable disease per RECIST 1.1). Exclusions: prior Trop-2 therapy, irinotecan hypersensitivity, uncontrolled comorbidities (cardiac/respiratory/diabetes), active infections (HBV/HCV/HIV), recent anti-tumor treatments (4 weeks), major surgery (4 weeks), or pregnancy. Requires adequate organ function and tumor tissue availability.

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Administration Dosage
FDA018-ADC will be administered via IV infusion on Day 1, 15 and 22 of a 35-Day cycle (Cycle 1) and on Day 1, 15 and 22 of a 35-Day cycle (Cycle 1) and on Day 1 and 8 of a 21-day cycle (Cycle 2 ~ Cycle 5) in dose escalation phase, and on Day 1 and 8 of a 21-day cycle (Cycle 1 ~ Cycle 6) in dose expansion phase, and Day 1 and 8 of a 21-day cycle in follow-up period until disease progression, unacceptable toxicity or death.

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Related Clinical Trial
NCT Number NCT05174637  Clinical Status PHASE1
Clinical Description
A PhaseIStudy to Evaluate the Safety, Tolerability, Pharmacokinetics and Efficacy of FDA018-ADC in Patients with Advanced Solid Tumors
Primary Endpoint
Primary objectives evaluate dose-limiting toxicity (DLT) per NCI CTCAE v5.0 and determine maximum tolerated dose (MTD) within 35 days post-first dose, where MTD is defined as the highest dose level below which ≥2/3-6 patients experience DLTs attributable to FDA018.
Other Endpoint
Secondary endpoints assess pharmacokinetics (Tmax, t1/2, Cmax, AUC for Total Antibody/SN-38 metabolites/FDA018-ADC over 17 weeks), immunogenicity (ADA detection via ELISA up to 60 months), and efficacy (ORR, PFS, DOR, OS per RECIST 1.1 over 60 months).
Experiment 3 Reporting the Activity Date of This ADC [3]
Related Clinical Trial
NCT Number NCT05174637  Clinical Status Phase 1
Clinical Description
A phase study to evaluate the safety, tolerability, pharmacokinetics and efficacy of FDA018-ADC in patients with advanced solid tumors.
References
Ref 1 FDA018-ADC Vs Investigator's Choice Chemotherapy to Treat Locally Advanced, Recurrent or Metastatic Triple-negative Breast Cancer
Ref 2 A Study of FDA018-ADC in Patients with Advanced Solid Tumors
Ref 3 A PhaseStudy to Evaluate the Safety, Tolerability, Pharmacokinetics and Efficacy of FDA018-ADC in Patients With Advanced Solid Tumors, NCT05174637