- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04566614
Preventing Viral Pandemic Associated Risk of Cancer Death Using Less Invasive Diagnostic Tests- Liquid Biopsies (PREVAILctDNA)
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
This is a prospective, single-centre cohort pilot study using ctDNA informed treatment decisions. If the pilot study is successful within certain tumour types then this protocol may be extended to investigate further the benefit of ctDNA informed treatment decision in those tumour types.
Patients with suspected malignancy for whom invasive biopsy for definitive histological diagnosis is challenging either due to COVID-19-related resource limitations, infection control or technical feasibility will be considered for this study. In this setting liquid biopsy may be used in lieu of tissue biopsy to facilitate treatment or may be used to prioritise standard of care invasive diagnostic tests. The former includes patients who require repeat biopsies for genomic analysis following non-informative results where these would inform standard of care treatment (i.e. NICE (National Institute for Health and Care Excellence)/Cancer Drug Fund (CDF) approved drugs). Tumour types included in this study are therefore those where invasive aerosol generating diagnostic tests such as bronchoscopy, gastrointestinal endoscopy (including endoscopic ultrasound (EUS)) are part of the standard diagnostic pathway and where capacity for these tests has become severely constrained during (and likely after) the COVID-19 pandemic. Tumour types affected include some suspected biliary tract, bladder, colorectal, GIST, lung and pancreatic cancers.
The study is planned to continue until a total of 144 patients have been enrolled. This is anticipated to take up to 12-18 months. Follow-up will continue until patients have diagnosis made (based on ctDNA result) and treatment decision made (deferred or immediate).
Potential patients will be identified in and will usually at the multidisciplinary team (MDT) meeting. They will give consent to participate in the trial and offered a liquid biopsy (ctDNA) in lieu of a tissue biopsy if considered suitable for PREVAIL - ctDNA. This may include patients who require repeat biopsies for further genomic analyses when repeat biopsies are not feasible where liquid biopsy may support prioritisation for invasive diagnostics earlier. ctDNA analysis will involve copy number variant detection and low coverage whole genomic sequencing. ctDNA gene panels have already been validated against tissue based molecular diagnostics for paediatrics (ct_PAED) and colorectal cancer (ct_GI).
This analysis will be performed in an accredited clinical diagnostic laboratory (Translational Research Laboratory, Institute of Cancer Research). Patients will be stratified for treatment or further investigation based on their ctDNA result (either positive or negative), suspected tumour type, radiological (including PREVAIL-imaging risk stratification pathway) and clinical characteristics.
PREVAIL ctDNA- Part 2 Study:
PREVAIL part 2 is a multi-centre, prospective study assessing the impact of Guardant360© liquid biopsy in patients with radiologically suspicious pancreatic cancer (PC) and biliary tract cancer (BTC)without histological confirmation of malignancy.
Liquid biopsies will be implemented into the routine diagnostic pathway across 6 RMP sites for patients with radiologically suspicious stage III/IV PC/BTC as part of the ACCESS implementation programme. Over 12 months, approximately 650 patients will be identified at individual sites by the local team when seen for an invasive procedure and referred in parallel to the Guardant360© test. These patients will proceed through an invasive diagnostic pathway as is standard of care and have a liquid biopsy as a new standard of care. Most patients will undergo both invasive tissue biopsy and liquid biopsy.
Patients with informative liquid biopsy result, but without a histological diagnosis of cancer (either due to inconclusive biopsy result or if the invasive procedure hasn't been performed) will be considered suitable for the study. Only patients with detectable ctDNA without histological confirmation will be suitable for this study (approximately ¼ of patients entering the ACCESS programme). The study is planned to run parallel to the ACCESS implementation programme and it aims to enrole 150 patients.
As part of this study, treatment may be recommended based on the liquid biopsy result. Patients with an invasive biopsy result which is suitable to guide treatment will not be eligible.
ctDNA results will be discussed at the molecular tumour board (MTB) to provide clinical context and validity of the genomic result. In addition, all patients will be discussed at a central upper gastrointestinal cancer multidisciplinary team meeting (MDM) to discuss treatment based on ctDNA results. Treating clinicians will have access to the MTB outcome and patients may be treated based on the ctDNA result in the context of symptoms, tumour markers, and imaging results as a complete diagnostic package.
Study Type
Enrollment (Anticipated)
Contacts and Locations
Study Contact
- Name: Richard Crux, CIBiol
- Phone Number: 02086426011
- Email: Richard.Crux@rmh.nhs.uk
Study Locations
-
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Surrey
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Sutton, Surrey, United Kingdom, SM2 5PT
- Recruiting
- Royal Marsden Hospital
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- Participants aged ≥18 years old
- Patients with suspected malignancies of early stage colorectal cancer (FIT intermediate and high risk), early and late stage pancreatic cancer, biliary tract cancer, gastro-intestinal stromal tumours, lung cancer or bladder cancer, without a definitive histological diagnosis (including those with inconclusive biopsy result) or
- Patients with histological diagnosis of lung cancer without adequate tissue for NHS genomic test directory predictive biomarker testing
- Ability to provide informed consent.
- Patients with performance status suitable for oncological treatments (ECOG performance status 0-2).
Exclusion criterion:
• Patients with an established histological diagnosis adequate to support standard of care treatment
PART 2:
Inclusion criteria
- Included in the ACCESS implementation programme
- Has detectable ctDNA on Guardant360© assay
- Discussion at molecular tumour board and central multi-disciplinary meeting confirming ctDNA variant is supportive of diagnosis of PC/BTC (diagnostic or consistent with)
- Performance status suitable for oncological treatment
- Ability to provide informed consent
Exclusion criteria
- Previously diagnosed invasive or haematological malignancy within the past 3 years
- Outcome at the molecular tumour board not supportive of cancer diagnosis (possibly consistent or not consistent)
Study Plan
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
Biliary Tract Cohort
Patients with suspected biliary tract cancer will be offered ctDNA to support a diagnosis in patients with suspected early stage, locally advanced and advanced disease.
This includes patients with tumours that are technically challenging to access with invasive biopsy or due to limitations in endoscopic ultrasound due to the COVID-19 pandemic.
Patients with histological diagnosis will not be eligible for this study.
Patients with suspected cancer will have ctDNA result (positive or negative) discussed at MDT in conjunction with PREVAIL-imaging risk stratification pathway to risk stratify in terms of cancer risk (low, intermediate and high risk), serum tumour markers and patient presentation which will dictate the appropriate treatment.
Those with metastatic disease will have their treatment decision based on ctDNA result, radiology and patient characteristics after discussion between the treating clinician and patient
|
Screening/baseline blood sample to be analysed for ctDNA
|
Bladder Cancer Cohort
Patients with suspected bladder cancer (localised and metastatic) will be offered ctDNA to support their diagnosis, in cases where cystoscopy and biopsy are difficult to obtain due to the COVID-19 pandemic.
Patients with histological diagnosis will not be eligible for this study.
A positive ctDNA result will be supportive of a diagnosis of bladder cancer, their treatment may be prioritised and decided based on this result in conjunction with radiological findings, patient presentation and after discussion between the treating physician and patient
|
Screening/baseline blood sample to be analysed for ctDNA
|
Pancreatic Cancer Cohort
Patients with suspected pancreatic cancer will be offered ctDNA to support a diagnosis in patients with suspected early stage, locally advanced and advanced disease.
This includes patients with tumours that are technically challenging to access with invasive biopsy or due to limitations in endoscopic ultrasound due to the COVID-19 pandemic.
Patients with histological diagnosis will not be eligible for this study.
Patients with suspected cancer will have ctDNA result (positive or negative) discussed at MDT in conjunction with PREVAIL-imaging risk stratification pathway to risk stratify in terms of cancer risk (low, intermediate and high risk), serum tumour markers and patient presentation which will dictate the appropriate treatment.
Those with metastatic disease will have their treatment decision based on ctDNA result, radiology and patient characteristics after discussion between the treating clinician and patient
|
Screening/baseline blood sample to be analysed for ctDNA
|
Gastrointestinal Stromal Tumour Cohort
Those with suspected Gastrointestinal Stromal Tumour Cohort (GIST) are eligible for this study.
KIT and PDGFR mutation detected using ctDNA in conjunction with radiological features will be supportive of a diagnosis of GIST.
This may allow for the use of directed targeted therapy, or prioritise surgical resection in some cases.
Patients with histological diagnosis will not be eligible for this study.
However, patients with inadequate tissue for KIT/PDGFR analysis will be eligible for PREVAIL-ctDNA to confirm the diagnosis of GIST and help guide treatment decisions
|
Screening/baseline blood sample to be analysed for ctDNA
|
Lung Cancer Cohort
The use of ctDNA in the diagnosis and adaptive management of patients with lung cancer is well established, however not funded by NHS.
As aerosol-generating bronchoscopy procedures have reduced due to the COVID-19 pandemic, patients with suspected lung cancer may be offered ctDNA to support the diagnosis.
A positive ctDNA result in conjunction with radiological findings will assist in prioritising those suitable for upfront surgical resection, radiotherapy or systemic anti-cancer treatment.
It may provide sufficient genotypic information to guide standard of care targeted therapies (usually two tests are required - biopsy and then next generation sequencing of extracted DNA), including in patients without sufficient tissue for EGFR and ALK testing which can be detected using ctDNA.
The use of ctDNA to guide treatment decisions in this cohort will not require signed consent as it is considered a standard approach (not yet NHS funded)
|
Screening/baseline blood sample to be analysed for ctDNA
|
Colorectal Cancer Cohort
Patients with suspected colorectal cancer will often be referred following either suspicion on imaging or faecal immunochemical testing (FIT).
FIT testing results will be used to prioritise patients for screening colonoscopy, in conjunction with the PREVAIL-imaging risk stratification pathway
|
Screening/baseline blood sample to be analysed for ctDNA
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Part 2 Cohort
Patients with suspected advanced pancreatic or biliary tract cancer who have ctDNA via the ACCESS implementation pathway.
The results must be deemed consistent with or diagnostic of pancreatic/biliary tract cancer by the molecular tumour board, discussed at central MDT and the patient cannot have a histological diagnosis.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
ctDNA detection rate within different cancer types (and overall)
Time Frame: Throughout study completion, up to one year
|
The primary endpoint, ctDNA detection rate, overall and within different cancer types will be presented as a proportion of patients with a positive ctDNA test out of those tested, with 90% confidence intervals
|
Throughout study completion, up to one year
|
PREVAIL ctDNA Part 2 Study
Time Frame: To run parallel for 12 months alongside the ACCESS implementation programme
|
Primary end point, Proportion of patients with detectable ctDNA which supports a diagnosis of malignancy and commence treatment
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To run parallel for 12 months alongside the ACCESS implementation programme
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Proportion of patients with a positive ctDNA result which identified a diagnosis and/or commenced treatment
Time Frame: Throughout study completion, up to one year
|
All secondary endpoints will be analysed in the patients diagnosed with suspected cancer, i.e. positive ctDNA result, unless stated.
They will also be presented overall and by cancer type.
The proportion of patients with positive ctDNA result which identified a diagnosis and/or commenced treatment will be presented as a proportion with 90% confidence intervals
|
Throughout study completion, up to one year
|
Proportion of patients with a positive ctDNA result which assisted in prioritising invasive diagnostic tests
Time Frame: Throughout study completion, up to one year
|
Proportion of patients with positive ctDNA result which assisted in prioritising invasive diagnostic tests will be presented as a proportion with 90% confidence intervals
|
Throughout study completion, up to one year
|
The association of ctDNA result (positive versus negative) and the PREVAIL-imaging pathway scoring result
Time Frame: Throughout study completion, up to one year
|
The association between ctDNA result (positive versus negative) and the PREVAIL-imaging pathway scoring result will be assessed descriptively by presenting cross-tabulations and relevant proportions
|
Throughout study completion, up to one year
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Estimation of the cost of liquid biopsy in lieu of tissue biopsy as compared to standard of care investigations and treatments prioritisation
Time Frame: Throughout study completion, up to one year
|
Simple estimation of the cost of liquid biopsy in lieu of tissue biopsy as compared to standard of care investigations and treatments prioritisation will be performed
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Throughout study completion, up to one year
|
PREVAIL ctDNA Part 2 Study secondary end point 1a
Time Frame: To run parallel for 12 months alongside the ACCESS implementation programme
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Treatment response objective response rate
|
To run parallel for 12 months alongside the ACCESS implementation programme
|
PREVAIL ctDNA Part 2 Study secondary end point 1b
Time Frame: To run parallel for 12 months alongside the ACCESS implementation programme
|
Progression free survival
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To run parallel for 12 months alongside the ACCESS implementation programme
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PREVAIL ctDNA Part 2 Study secondary end point 1c
Time Frame: To run parallel for 12 months alongside the ACCESS implementation programme
|
Overall survival
|
To run parallel for 12 months alongside the ACCESS implementation programme
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PREVAIL ctDNA Part 2 Study secondary end point 2
Time Frame: To run parallel for 12 months alongside the ACCESS implementation programme
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Proportion of patients who undergo a repeated invasive procedure
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To run parallel for 12 months alongside the ACCESS implementation programme
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PREVAIL ctDNA Part 2 Study secondary end point 3a- comparison with NHS targets
Time Frame: To run parallel for 12 months alongside the ACCESS implementation programme
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Comparison of diagnostic pathway duration with NHS faster Diagnostic Standard (FDS)
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To run parallel for 12 months alongside the ACCESS implementation programme
|
PREVAIL ctDNA Part 2 Study secondary end point 3b- comparison with NHS targets
Time Frame: To run parallel for 12 months alongside the ACCESS implementation programme
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Comparison of diagnostic pathway duration with 62 day wait target
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To run parallel for 12 months alongside the ACCESS implementation programme
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PREVAIL ctDNA Part 2 Study secondary end point 4a
Time Frame: To run parallel for 12 months alongside the ACCESS implementation programme
|
Type of complications from invasive diagnostic procedures
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To run parallel for 12 months alongside the ACCESS implementation programme
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PREVAIL ctDNA Part 2 Study secondary end point 4b
Time Frame: To run parallel for 12 months alongside the ACCESS implementation programme
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Frequency of complications from invasive diagnostic procedures
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To run parallel for 12 months alongside the ACCESS implementation programme
|
PREVAIL ctDNA Part 2 Study secondary end point 4c
Time Frame: To run parallel for 12 months alongside the ACCESS implementation programme
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Severity of complications from invasive diagnostic procedures
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To run parallel for 12 months alongside the ACCESS implementation programme
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PREVAIL ctDNA Part 2 Study secondary end point 5
Time Frame: To run parallel for 12 months alongside the ACCESS implementation programme
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Number and type of invasive procedures performed
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To run parallel for 12 months alongside the ACCESS implementation programme
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PREVAIL ctDNA Part 2 Study secondary end point 5b
Time Frame: To run parallel for 12 months alongside the ACCESS implementation programme
|
Number of histopathology reviews
|
To run parallel for 12 months alongside the ACCESS implementation programme
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PREVAIL ctDNA Part 2 Study secondary end point 5c
Time Frame: To run parallel for 12 months alongside the ACCESS implementation programme
|
Number of tissue based NGS performed
|
To run parallel for 12 months alongside the ACCESS implementation programme
|
PREVAIL ctDNA Part 2 Study secondary end point 6a
Time Frame: To run parallel for 12 months alongside the ACCESS implementation programme
|
Healthcare costs associated with diagnostic pathway
|
To run parallel for 12 months alongside the ACCESS implementation programme
|
PREVAIL ctDNA Part 2 Study secondary end point 6b
Time Frame: To run parallel for 12 months alongside the ACCESS implementation programme
|
Cost per-quality adjusted-life-year of diagnostic pathway
|
To run parallel for 12 months alongside the ACCESS implementation programme
|
PREVAIL ctDNA Part 2 Study secondary end point 6c
Time Frame: To run parallel for 12 months alongside the ACCESS implementation programme
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Number of hospital visits in diagnostic pathway
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To run parallel for 12 months alongside the ACCESS implementation programme
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PREVAIL ctDNA Part 2 Study secondary end point 6d
Time Frame: To run parallel for 12 months alongside the ACCESS implementation programme
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Length of hospital stay during diagnostic pathway
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To run parallel for 12 months alongside the ACCESS implementation programme
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Collaborators and Investigators
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Digestive System Diseases
- Respiratory Tract Diseases
- Neoplasms, Connective and Soft Tissue
- Neoplasms by Histologic Type
- Lung Diseases
- Urologic Neoplasms
- Urogenital Neoplasms
- Neoplasms by Site
- Urologic Diseases
- Urinary Bladder Diseases
- Gastrointestinal Neoplasms
- Digestive System Neoplasms
- Gastrointestinal Diseases
- Respiratory Tract Neoplasms
- Thoracic Neoplasms
- Colonic Diseases
- Intestinal Diseases
- Intestinal Neoplasms
- Rectal Diseases
- Biliary Tract Diseases
- Neoplasms, Connective Tissue
- Neoplasms
- Lung Neoplasms
- Colorectal Neoplasms
- Urinary Bladder Neoplasms
- Gastrointestinal Stromal Tumors
- Biliary Tract Neoplasms
Other Study ID Numbers
- CCR 5292
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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