- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT07582887
Impact of Genetic Variants on the Toxicity of Antibody-Drug Conjugates in Locally Advanced or Metastatic Breast Cancer: The Role of the UGT1A1 Gene as a Predictive Biomarker of Therapeutic Response
The metabolism of anticancer drugs is influenced by genetic variants that affect their bioavailability and toxicity. In the case of antibody-drug conjugates (ADCs), such as sacituzumab-govitecan (SG), trastuzumab-deruxtecan (T-DXd), and datopotamab-deruxtecan (Dato-DXd), the enzyme UDP-glucuronosyltransferase 1A1 (UGT1A1) plays a central role in the glucuronidation and elimination of their cytotoxic components. In particular, the metabolism of SN-38, the active metabolite of irinotecan and SG, is highly influenced by variants in UGT1A1, leading to drug accumulation and the development of severe toxicities. Patients with variants such as UGT1A1*28 (rs3064744) and UGT1A1*6 (rs4148323) exhibit reduced enzyme activity, increasing the risk of neutropenia and severe diarrhea.
The relevance of UGT1A1 is not limited to sacituzumab-govitecan; its role in the elimination of camptothecin derivatives suggests it could also impact the toxicity of trastuzumab-deruxtecan and datopotamab-deruxtecan, which contain deruxtecan, a cytotoxic agent 10 times more potent than irinotecan. Despite strong evidence linking the UGT1A1 genotype to irinotecan toxicity, there are currently no established pharmacogenetic recommendations for antidiuretic peptides (ADCs) in metastatic breast cancer.
Studieoversigt
Status
Betingelser
Intervention / Behandling
Undersøgelsestype
Tilmelding (Anslået)
Kontakter og lokationer
Studiekontakt
- Navn: Isabel Blancas López-Barajas, MD, PhD
- Telefonnummer: +34 958 023265
- E-mail: ensayosclinicosom.husc.sspa@juntadeandalucia.es
Studiesteder
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Granada
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Granada, Granada, Spanien, 18016
- Rekruttering
- Hospital Universitario Clínico San Cecilio
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Kontakt:
- Isabel Blancas López-Barajas, MD, PhD
- Telefonnummer: +34 958 023265
- E-mail: ensayosclinicosom.husc.sspa@juntadeandalucia.es
-
Ledende efterforsker:
- Isabel Blancas López-Barajas, MD, PhD
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Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
- Voksen
- Ældre voksen
Tager imod sunde frivillige
Prøveudtagningsmetode
Studiebefolkning
Beskrivelse
Inclusion Criteria:
- Patients aged 18 years or older.
- Patients diagnosed with breast cancer starting or undergoing treatment with Sacituzumab Govitecan, Trastuzumab Deruxtecan, or Datopotamab Deruxtecan.
- Provision of signed informed consent for the genetic study.
Exclusion Criteria:
- Patients who are ultimately not treated with the specified Antibody-Drug Conjugates.
- Refusal to provide informed consent for genetic analysis.
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
Kohorter og interventioner
Gruppe / kohorte |
Intervention / Behandling |
|---|---|
|
Patients undergoing treatment with sacituzumab govitecan
Standard clinical dose of sacituzumab govitecan administered as per routine clinical practice.
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Administered according to standard clinical practice and product label.
|
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Patients undergoing treatment with trastuzumab-deruxtecan
Standard clinical dose of trastuzumab-deruxtecan administered as per routine clinical practice.
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Administered according to standard clinical practice and product label.
|
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Patients undergoing treatment with datopotamab deruxtecan
Standard clinical dose of datopotamab deruxtecan administered as per routine clinical practice.
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Administered according to standard clinical practice and product label.
|
Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
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Incidence of Severe Drug-Related Toxicities (Grade ≥ 3)
Tidsramme: From the start of treatment until the end of the follow-up period (up to 2 years).
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Number of patients experiencing severe hematological or gastrointestinal toxicities (defined as Grade 3 or higher according to CTCAE v5.0) that are definitely, probably, or possibly related to the treatment with Sacituzumab Govitecan, Trastuzumab Deruxtecan, or Datopotamab Deruxtecan.
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From the start of treatment until the end of the follow-up period (up to 2 years).
|
Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
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Frequency of UGT1A1*28 Allele
Tidsramme: At baseline (once the genetic study is performed).
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Distribution and allelic frequency of the UGT1A1*28 variant in the study population of breast cancer patients.
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At baseline (once the genetic study is performed).
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Correlation Between Genetic Variants and Toxicity Severity
Tidsramme: Analyzed at the completion of the 2-year study period.
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Statistical association (using Odds Ratio) between the identified genetic variants (rs4148323, rs35350906, rs3064744, rs887829, rs111741722) and the severity of adverse events.
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Analyzed at the completion of the 2-year study period.
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Predictive Model for Severe Toxicity
Tidsramme: At the end of the study (2 years).
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Design of a predictive model based on genetic markers to anticipate the appearance of severe toxicities for each ADC studied.
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At the end of the study (2 years).
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Samarbejdspartnere og efterforskere
Publikationer og nyttige links
Generelle publikationer
- Trita AS, Biafora A, Pichette Drapeau M, Weber P, Goossen LJ. Regiospecific ortho-C-H Allylation of Benzoic Acids. Angew Chem Int Ed Engl. 2018 Oct 26;57(44):14580-14584. doi: 10.1002/anie.201712520. Epub 2018 Mar 5.
- Sony M, Antony J, McDermott O. The Impact of Healthcare 4.0 on the Healthcare Service Quality: A Systematic Literature Review. Hosp Top. 2023;101(4):288-304. doi: 10.1080/00185868.2022.2048220. Epub 2022 Mar 24.
- Bardia A, Hurvitz SA, Tolaney SM, Loirat D, Punie K, Oliveira M, Brufsky A, Sardesai SD, Kalinsky K, Zelnak AB, Weaver R, Traina T, Dalenc F, Aftimos P, Lynce F, Diab S, Cortes J, O'Shaughnessy J, Dieras V, Ferrario C, Schmid P, Carey LA, Gianni L, Piccart MJ, Loibl S, Goldenberg DM, Hong Q, Olivo MS, Itri LM, Rugo HS; ASCENT Clinical Trial Investigators. Sacituzumab Govitecan in Metastatic Triple-Negative Breast Cancer. N Engl J Med. 2021 Apr 22;384(16):1529-1541. doi: 10.1056/NEJMoa2028485.
Datoer for undersøgelser
Studer store datoer
Studiestart (Faktiske)
Primær færdiggørelse (Anslået)
Studieafslutning (Anslået)
Datoer for studieregistrering
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først opslået (Faktiske)
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Nøgleord
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
- FIB-MAM-2025-04
Plan for individuelle deltagerdata (IPD)
Planlægger du at dele individuelle deltagerdata (IPD)?
IPD-planbeskrivelse
Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter
Studerer et amerikansk FDA-reguleret lægemiddelprodukt
Studerer et amerikansk FDA-reguleret enhedsprodukt
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Second Affiliated Hospital, School of Medicine,...RekrutteringTNBC, Triple Negative Breast CancerKina
Kliniske forsøg med Sacituzumab Govitecan
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Bindu R PotugariGilead SciencesRekrutteringSmåcellet lungekræft (SCLC) | Småcellet lungekræft i omfattende stadie (ES-SCLC)Forenede Stater
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