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Implementation-effectiveness Trial of Mainstreaming of Clinical Genomic Sequencing for Rare Disease in Ontario, Canada

28. august 2026 opdateret af: Robin Hayeems, The Hospital for Sick Children

Mainstreaming of Clinical Genomic Sequencing for Rare Disease in Ontario, Canada: Protocol for a Province-wide Hybrid Type 2 Implementation-effectiveness Trial

Genomic sequencing (GS) is increasingly recommended as a diagnostic test for patients with suspected genetic disorders, but access often remains limited to those referred to medical geneticists. Enabling non-geneticist clinicians to access GS can expedite diagnoses for affected families and reduce burdens on the geneticist-led model of care. Targeted implementation strategies are needed to empower non-geneticist clinicians to access GS, however data to inform these strategies are lacking. To this end, the investigators have set out to carry out a prospective, hybrid implementation-effectiveness trial of mainstreamed clinical GWS in Ontario, Canada. The study team will evaluate the laboratory, clinical, patient and implementation outcomes of the mainstreamed model of care.

Studieoversigt

Status

Ikke rekrutterer endnu

Betingelser

Intervention / Behandling

Undersøgelsestype

Observationel

Tilmelding (Anslået)

100

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiekontakt

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

  • Barn
  • Voksen
  • Ældre voksen

Tager imod sunde frivillige

Ingen

Prøveudtagningsmetode

Ikke-sandsynlighedsprøve

Studiebefolkning

All patients who have received genome-wide sequencing in Ontario

Beskrivelse

For intervention outcomes,

- All patients who have received genome-wide sequencing in Ontario are eligible

For implementation outcomes,

  • All non-geneticist clinicians practicing in Ontario who have ordered genome-wide sequencing for their patients are eligible
  • Caregivers of patients who have had genome-wide sequencing through a non-geneticist clinician in Ontario are eligible, caregivers must be over 18 years of age

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

Kohorter og interventioner

Gruppe / kohorte
Intervention / Behandling
Standard Arm
Patients receiving GWS through geneticists in Ontario
Delivery of genome-wide sequencing (encompasses all activities involved in pre-test and post-test including clinical assessment, ordering, consent, education, return of results, post-test management)
Intervention Arm 1
Patients receiving GWS through non-geneticists in Ontario
Delivery of genome-wide sequencing (encompasses all activities involved in pre-test and post-test including clinical assessment, ordering, consent, education, return of results, post-test management)
Intervention Arm 2
Patients receiving GWS through non-geneticist clinicians at designated sites in Ontario with additional implementation strategies
Delivery of genome-wide sequencing (encompasses all activities involved in pre-test and post-test including clinical assessment, ordering, consent, education, return of results, post-test management)

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Diagnostic utility
Tidsramme: From January 2025 to August 2027
The proportion of causative, pathogenic or likely pathogenic genotypes in known disease genes. This will be reported as the proportion of cases for whom diagnostic and partially diagnostic, and non-optional medically actionable secondary findings are identified at the time of primary analysis and re-analysis. Proportion of cases for whom optional medically actionable secondary findings will also be reported, relative to the number of cases who opted to receive them.
From January 2025 to August 2027

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Acceptability
Tidsramme: 12 months from enrolment
Satisfaction with Genome-wide Sequencing Ontario (GSO) intervention and implementation among ordering providers (geneticists and non-geneticists), GSO leadership, laboratory, patients and families. This outcome will be measured using a team-developed questionnaire with a 5-point Likert scale with 1 indicating strongly disagree and 5 indicating strongly agree.
12 months from enrolment
Feasibility
Tidsramme: 12 months from enrolment
Fit and suitability for regular use by ordering providers. This outcome will be measured using a team-developed questionnaire with a 5-point Likert scale with 1 indicating strongly disagree and 5 indicating strongly agree.
12 months from enrolment
Sustainability
Tidsramme: 12 months from enrolment
Sustainability is defined as the extent to which the Genome-wide Sequencing Ontario (GSO) service can be maintained within a clinical practice. This outcome will be measured using a team-developed questionnaire with a 5-point Likert scale with 1 indicating strongly disagree and 5 indicating strongly agree.
12 months from enrolment
Timeliness
Tidsramme: From January 1, 2025 to August 31, 2027
Timeliness is defined as the time needed to reach a molecular diagnosis. For routine cases, this will be reported as the proportion of cases for whom laboratory turnaround time is less than 12 weeks. From a laboratory perspective timeliness will be measured as the number of weeks elapsed from sample accessioning to laboratory reporting, reported as the proportion of cases for whom laboratory turnaround time is less than 12 weeks. The study team will also assess timeliness from the patient perspective using a patient experience questionnaire that addresses this dimension of care.
From January 1, 2025 to August 31, 2027
Cost-effectiveness
Tidsramme: From January 1, 2025 to August 31, 2027
The cost per case of community-based genetic service delivery will be measured. This will include sessions with physicians and genetic counselors and laboratory sequencing costs. Laboratory costs will be determined by updating existing microcost estimates of the laboratory workflow components for sequencing approaches. If a comparative design is possible, a cost analysis will compare service delivery cost for non-geneticist clinicians compare to geneticist clinicians.
From January 1, 2025 to August 31, 2027
Adoption
Tidsramme: From January 1, 2025 to August 31, 2027
Adoption is defined as the total number of non-geneticist clinicians ordering Genome-wide Sequencing Ontario (GSO) for their patients, and total number of submitted cases per clinician, assessed through the GSO REDCap database.
From January 1, 2025 to August 31, 2027
Fidelity
Tidsramme: From January 1, 2025 to August 31, 2027
Fidelity is defined as adherence to the Genome-wide Sequencing Ontario (GSO) workflow (including form completion, use of appeal process), measured by time (in days) between when the GSO order is accessioned in the lab and when the order is processed and sent for sequencing.
From January 1, 2025 to August 31, 2027
Penetration
Tidsramme: From January 1, 2025 to August 31, 2027
Penetration is defined as the degree of integration within a service delivery system (i.e., proportion of eligible clinicians who offer genome-wide sequencing (GWS)). This outcome will be measured by iteratively assessing the rate of requests for GWS based on total eligible clinicians. This outcome will be reported based on practice characteristics of the requesting clinician (specialty, geography, years in practice, etc.).
From January 1, 2025 to August 31, 2027
Acceptability (to patients/families)
Tidsramme: From enrolment to August 31, 2027
Acceptability (to patients/families) is defined as the experiences of patients or their family members during their participation in the mainstreamed model of care. This outcome will be measured using a team-developed questionnaire with a 5-point Likert scale with 1 indicating strongly disagree and 5 indicating strongly agree.
From enrolment to August 31, 2027

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Efterforskere

  • Ledende efterforsker: Robin Z Hayeems, ScM, PhD, The Hospital for Sick Children

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Anslået)

1. september 2026

Primær færdiggørelse (Anslået)

31. august 2027

Studieafslutning (Anslået)

31. august 2027

Datoer for studieregistrering

Først indsendt

18. august 2026

Først indsendt, der opfyldte QC-kriterier

28. august 2026

Først opslået (Faktiske)

2. september 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

2. september 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

28. august 2026

Sidst verificeret

1. august 2026

Mere information

Begreber relateret til denne undersøgelse

Andre undersøgelses-id-numre

  • CTO #5637
  • KMI 181800 (Andet bevillings-/finansieringsnummer: Canadian Institutes of Health Research (CIHR))

Plan for individuelle deltagerdata (IPD)

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