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| Name | Class |
|---|---|
| Antwerp University Hospital (UZA) | UNKNOWN |
| Centre for Cancer Detection (CvKO) | UNKNOWN |
| Sciensano | OTHER_GOV |
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The goal of the ScreenUrSelf trial is to increase cervical cancer screening attendance and compliance to follow-up by offering a first-void urine self-sampling alternative to women who are currently not participating in the organized cervical cancer screening program (defined in this project as un(der)-screened women), either on the woman or her physician's personal initiative, or by responding on the invitation letter.
Patient: In this population-based study we target real un(der)-screened women, i.e., women (31-64y) eligible for the Flemish population-based cervical cancer screening program without any cytology/histology/pathological result retrieved from the Belgian Cancer Registry (BCR) for at least the last six years (i.e., two screening rounds). Women who opted out of the screening program, who are pregnant (self-reported), underwent total hysterectomy, have (had) cervical or uterine cancer, or are included in other Centre for Cancer Detection (CvKO) pilot projects are not eligible.
Intervention: The proposed randomized controlled trial (RCT) will be embedded in the Flemish organized cervical cancer screening program, which is coordinated by CvKO under governance of the Flemish government. The goal is to reach women who are eligible but do not participate in cervical cancer screening, by offering two self-sampling methods (first-void urine and vaginal) in an opt-in and -out strategy (total of four interventions) to collect samples for primary high-risk (hr) Human Papillomavirus (HPV) testing, and if positive, reflex 1) cytology on a Pap smear (standard of care) and 2) methylation marker triage (index test).
Comparison: The two control arms include 1) no intervention; and 2) sending (recall) invitation letters to women, inviting them to make an appointment for a Pap smear (i.e., current practise within the organized cervical cancer screening program in Flanders).
Primary outcome: The primary outcome is the actual response rate, i.e., proportions of women that participate in each intervention and in the control arms at 12 months after initiation of the intervention (the intervention being one of six study arms). Response in this project is defined as having a preventive cervical screen exam, either by a self-sample or by a physician-taken Pap smear, at 12 months after initiation of the intervention.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Control - no intervention | No Intervention | This control group will receive no intervention. Cervical cancer screening (having a Pap smear taken by a clinician for cytology-based screening) is completely opportunistic, i.e. based on the initiative of the participant or their clinician. No reminder letter will be sent. | |
| Control - (recall) invitation letter | No Intervention | This control group will receive the standard (recall) invitation letter send out by the Centre for Cancer Detection (CvKO). In this invitation letter, participants are encouraged to make an appointment with their clinician to have a Pap smear taken (for cytology-based screening). A reminder letter will be sent after 5-6 months. | |
| Opt-out first-void urine | Experimental | Women will receive a first-void urine self-sampling study package at home. The study package will include an invitation letter/informed consent form, information brochure, first-void urine self-sampling device, safety bag with absorbent paper, pre-stamped return envelope, and instructions explaining how to collect the sample and send it to the lab. A reminder letter will be sent after 5-6 months. |
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| Opt-in first-void urine | Experimental | Women will receive a letter at home with instructions how to order (via phone, e-mail, or webform) a first-void urine self-sampling study package. The study package will include an invitation letter/informed consent form, information brochure, first-void urine self-sampling device, safety bag with absorbent paper, pre-stamped return envelope, and instructions explaining how to collect the sample and send it to the lab. A reminder letter will be sent after 5-6 months. |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Colli-Pee Small Volumes | Device | Women will self-collect a first-void urine sample at home upon receipt of the study package using the Colli-Pee Small Volumes (10 mL) device (Novosanis, Belgium). The collector tube is prefilled with a preservative (UCM, Novosanis, Belgium). Women will send the collector vial containing first-void urine along with the informed consent form to the laboratory at University of Antwerp using the prestamped envelope. |
| Measure | Description | Time Frame |
|---|---|---|
| Response rate | Proportions of women that participate in each intervention (measured by PP* and ITT*) and in the control arms (measured by Pap smears taken) within 10 months after the intervention. *PP: participation in intervention arm measured by self-sample analyses only **ITT: participation in intervention arm measured by self-sample analyses or Pap smears taken | 10 months (until 31/03/2024) |
| Measure | Description | Time Frame |
|---|---|---|
| Compliance |
| 19 months (until 31/12/2024) |
| Preference |
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Inclusion Criteria:
Eligible for cervical cancer screening within the organized Population-based Screening Program in Flanders:
No cervical result registered in the cytohistopathological register of BCR and no information in the administrative data from health insurance companies (IMA) on PAP smears taken for at least the last 6 years (i.e., two screening rounds)
31-64 years old (birth year 1959-1992)
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Pierre Van Damme, MD, PhD | Universiteit Antwerpen | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Universiteit Antwerpen | Edegem | Antwerp | 2650 | Belgium |
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| Opt-out vaginal self-sample | Experimental | Women will receive a vaginal self-sampling study package at home. The study package will include an invitation letter/informed consent form, information brochure, vaginal self-sampling device, safety bag with absorbent paper, pre-stamped return envelope, and instructions explaining how to collect the sample and send it to the lab. A reminder letter will be sent after 5-6 months. |
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| Opt-in vaginal self-sample | Experimental | Women will receive a letter at home with instructions how to order (via phone, e-mail, or webform) a vaginal self-sampling study package. The study package will include an invitation letter/informed consent form, information brochure, vaginal self-sampling device, safety bag with absorbent paper, pre-stamped return envelope, and instructions explaining how to collect the sample and send it to the lab. A reminder letter will be sent after 5-6 months. |
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| Evalyn Brush | Device | Women will self-collect a vaginal sample at home upon receipt of the study package using the Evalyn Brush device (Rovers Medical Devices, The Netherlands). Women will send the used brush along with the informed consent form to the laboratory at University of Antwerp using the prestamped envelope. |
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Preference and attitudes of women between intervention arms (measured via a questionnaire) |
| Through study completion, an average of 1 year |
| Age-related differences in response rate | Age-related differences in response rates within and between different study arms Response rates: Proportions of women that participate in each intervention (measured by PP* and ITT*) and in the control arms (measured by Pap smears taken) within 10 months after the intervention. *PP: participation in intervention arm measured by self-sample analyses only **ITT: participation in intervention arm measured by self-sample analyses or Pap smears taken | 10 months (until 31/03/2024) |
| Socio-economic status-related differences differences in response rate | Socio-economic status-related differences in response rates within and between different study arms Response rates: Proportions of women that participate in each intervention (measured by PP* and ITT*) and in the control arms (measured by Pap smears taken) within 10 months after the intervention. *PP: participation in intervention arm measured by self-sample analyses only **ITT: participation in intervention arm measured by self-sample analyses or Pap smears taken | 10 months (until 31/03/2024) |
| Clinical accuracy of HPV assay | Test-positivity, positive predictive value, referral rate to colposcopy, and detection rate of CIN2+ of a hrHPV positive result on a self-sample in un(der)-screened women; absolute measures in each arm and ratios of measures between arms. Test-positivity, positive predictive value, referral rate to colposcopy, and detection rate of CIN2+ will be combined to report clinical accuracy. | Through study completion, an average of 1 year |
| Clinical accuracy of methylation assay | Test-positivity, positive predictive value, referral rate to colposcopy, and detection rate CIN2+ of a methylation-based reflex test (index test) to triage hrHPV positive self-sample in un(der)screened women, compared to reflex cytology on a Pap smear (comparator test); absolute measures in each arm and ratios of measures between arms. Test-positivity, positive predictive value, referral rate to colposcopy, and detection rate of CIN2+ will be combined to report clinical accuracy. | Through study completion, an average of 1 year |
| Cost-effectiveness |
The above differences in time and costs will be combined to report cost-effectiveness. | Through study completion, an average of 1 year |
| ID | Term |
|---|---|
| D002583 | Uterine Cervical Neoplasms |
| D002578 | Uterine Cervical Dysplasia |
| ID | Term |
|---|---|
| D014594 | Uterine Neoplasms |
| D005833 | Genital Neoplasms, Female |
| D014565 | Urogenital Neoplasms |
| D009371 | Neoplasms by Site |
| D009369 | Neoplasms |
| D002577 | Uterine Cervical Diseases |
| D014591 | Uterine Diseases |
| D005831 | Genital Diseases, Female |
| D052776 | Female Urogenital Diseases |
| D005261 | Female Urogenital Diseases and Pregnancy Complications |
| D000091642 | Urogenital Diseases |
| D000091662 | Genital Diseases |
| D011230 | Precancerous Conditions |
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