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Study to Compare Traditional and Emerging Methods for Structural Variant Analysis in Prenatal, Postnatal, and Hematologic Samples

5. november 2026 oppdatert av: 4bases Italia Srl

Multicenter Performance Study Using a Non-CE-marked in Vitro Diagnostic Medical Device (IVD) for the Standardization and Comparative Evaluation of Traditional and Emerging Methods for the Analysis of Structural Variants in Prenatal, Postnatal, and Oncohematological Samples

The study goal is to evaluate an innovative technology, KaryoSolver, which enables molecular karyotype reconstruction, in comparison with reference conventional methods, in terms of:

Presence or absence of clinically detectable structural variants; Type of alteration (aneuploidies, deletions, duplications); Copy number present. KaryoSolver is a software system for reconstructing the molecular karyotype from low-coverage genomic sequencing data using long-read technology.

The expected performance of the device under study is its ability to detect and classify the main clinically detectable structural variants within included samples in a manner consistent with the reference comparators, using a standardizable workflow, competitive turnaround times, and adequate reproducibility.

Studieoversikt

Status

Rekruttering

Forhold

Detaljert beskrivelse

In particular, the study contributes to demonstrating the following requirements:

  • scientific validity, through the correlation between Karyosolver and the aCGH/SNP array result used as a reference;
  • analytical performance, including accuracy, analytical sensitivity, analytical specificity, and reproducibility of the method, evaluated according to the criteria defined by ISO 5725;
  • clinical performance, through the evaluation of the test's ability to correctly identify copy number variations (CNVs) or regions of loss of heterozygosity (LOH/ROH) already reported in the samples selected for the study.

Studietype

Observasjonsmessig

Registrering (Antatt)

200

Kontakter og plasseringer

Denne delen inneholder kontaktinformasjon for de som utfører studien, og informasjon om hvor denne studien blir utført.

Studiekontakt

  • Navn: Giulia Fugazza, Clinical Project Manager
  • Telefonnummer: +41 (0) 91 224 70 81
  • E-post: info@4bases.ch

Studiesteder

      • Florence, Italia, 50134
        • Rekruttering
        • SOD Diagnostica Genetica Azienda Osepdaliero-Universitaria Careggi
        • Ta kontakt med:
        • Hovedetterforsker:
          • Elisabetta Pelo
      • Vicenza, Italia, 36100
        • Rekruttering
        • UOSD Genetica Medica e Genomica Azienda ULSS8 Berica
        • Ta kontakt med:
        • Hovedetterforsker:
          • Daniela Zuccarello, Medical Doctor

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

  • Barn
  • Voksen
  • Eldre voksen

Tar imot friske frivillige

Nei

Kjønn som er kvalifisert for studier

Alle

Prøvetakingsmetode

Ikke-sannsynlighetsprøve

Studiepopulasjon

The biological samples are residual samples already available at the two participating clinical centers. The samples originate from diagnostic workups that have already been completed and were not collected specifically for this study. In particular, residual samples related to prenatal, postnatal constitutional, and oncohematological diagnostics may be used, in accordance with the criteria set forth in the protocol.

Beskrivelse

Inclusion Criteria:

  1. Prenatal, postnatal, and oncohematological samples.
  2. Availability of results obtained using at least one reference method.
  3. Valid informed consent for use in research.
  4. Sufficient quantity and quality of DNA for analysis.

Exclusion Criteria:

  1. Absence of valid informed consent.
  2. Incomplete documentation of reference results.
  3. Insufficient or degraded DNA.

Studieplan

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

  • Observasjonsmodeller: OTHER
  • Tidsperspektiver: RETROSPECTIVE

Hva måler studien?

Primære resultatmål

Resultatmål
Tidsramme
Overall diagnostic concordance between KaryoSolver and reference methods for the identification of clinically detectable structural variants.
Tidsramme: through study completion, an average of 1 year
through study completion, an average of 1 year
Agreement on the presence/absence of clinically relevant chromosomal alterations between KaryoSolver and reference methods
Tidsramme: through study completion, an average of 1 year
through study completion, an average of 1 year
Agreement by category of identified alteration (aneuploidies, deletions, duplications) between KaryoSolver and reference methods
Tidsramme: through study completion, an average of 1 year
through study completion, an average of 1 year
Percentage of cases correctly classified by KaryoSolver compared to the reference comparator
Tidsramme: through study completion, an average of 1 year
through study completion, an average of 1 year

Sekundære resultatmål

Resultatmål
Tidsramme
Intra-run reproducibility of KaryoSolver, assessed as the agreement of results obtained from replicates analyzed in the same session
Tidsramme: through study completion, an average of 1 year
through study completion, an average of 1 year
Inter-run reproducibility of KaryoSolver, assessed as the agreement of results obtained from replicates analyzed in different sessions
Tidsramme: through study completion, an average of 1 year
through study completion, an average of 1 year
Average analytical run time per sample with KaryoSolver compared to reference methods
Tidsramme: through study completion, an average of 1 year
through study completion, an average of 1 year
Average total reporting time/turnaround time with KaryoSolver compared to reference methods.
Tidsramme: through study completion, an average of 1 year
through study completion, an average of 1 year
Reduction in technical/interpretive workload, assessed in terms of man-hours or the number of manual tasks required
Tidsramme: through study completion, an average of 1 year
through study completion, an average of 1 year
Average cost per sample analyzed with KaryoSolver compared to reference methods
Tidsramme: through study completion, an average of 1 year
through study completion, an average of 1 year
Proportion of cases potentially eligible for faster diagnosis using KaryoSolver compared to the standard workflow
Tidsramme: through study completion, an average of 1 year
through study completion, an average of 1 year

Samarbeidspartnere og etterforskere

Det er her du vil finne personer og organisasjoner som er involvert i denne studien.

Sponsor

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart (Faktiske)

22. september 2026

Primær fullføring (Antatt)

1. juni 2027

Studiet fullført (Antatt)

1. september 2027

Datoer for studieregistrering

Først innsendt

12. oktober 2026

Først innsendt som oppfylte QC-kriteriene

5. november 2026

Først lagt ut (Faktiske)

12. november 2026

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

12. november 2026

Siste oppdatering sendt inn som oppfylte QC-kriteriene

5. november 2026

Sist bekreftet

1. oktober 2026

Mer informasjon

Begreper knyttet til denne studien

Andre studie-ID-numre

  • KaryoSolver-ONT

Plan for individuelle deltakerdata (IPD)

Planlegger du å dele individuelle deltakerdata (IPD)?

NEI

IPD-planbeskrivelse

IPD will not be shared because this is a non-interventional study which does not produce any health outcomes; it is, in fact, a performance study involving IVDs conducted solely for methodological research purposes, with no results being reported for diagnostic or therapeutic purposes.

Legemiddel- og utstyrsinformasjon, studiedokumenter

Studerer et amerikansk FDA-regulert medikamentprodukt

Nei

Studerer et amerikansk FDA-regulert enhetsprodukt

Nei

Denne informasjonen ble hentet direkte fra nettstedet clinicaltrials.gov uten noen endringer. Hvis du har noen forespørsler om å endre, fjerne eller oppdatere studiedetaljene dine, vennligst kontakt register@clinicaltrials.gov. Så snart en endring er implementert på clinicaltrials.gov, vil denne også bli oppdatert automatisk på nettstedet vårt. .