Preterm DeliveryNCT07307365
Evaluation of the Clinical Performance of the PremaSure Kit to Assess Premature Delivery Risk in Symptomatic Pregnant Patients
An observational study of Preterm Delivery, run by Rea Diagnostics SA at 1 site in Switzerland.
Trial summary
The goal of the study is to determine the clinical performance of the PremaSure kit, more precisely to assess whether the PremaSure kit can be used as a self-test to assess the risk of premature delivery in patients showing symptoms of premature delivery. Read more about this study
- Who is it for?
- Ages 18 years and older, women only
- Conditions the study is for
- Preterm Delivery
- How many people
- 800 participants
- Where
- 1 siteSwitzerland
- Study dates
- 5 Dec 2025to Mar 2027
- How long will I take part?
- 3 Months
- Phase
- Observational
- Are there results?
- Not yet: the study is under way
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 years and older
- Women only
- No healthy volunteers
- Adult, Older adult
Study population: Pregnant patients with symptoms of premature delivery.
Who may be able to join
- Informed Consent signed by the subject
- Female patients above 18 years
- Gestational week from 22w+0 days to 35w+6 days
- Symptoms of prematurity.
Who cannot join
- Subject lacking capacity to provide informed consent
- Enrolment of the project leader, their family members, employees and other dependent persons
- Patients with ruptured amniotic membranes or blood in their vaginal discharge
- Patients with vaginal examination in the last 24 hours
- Previous enrolment in the current study
Trial locations and contacts
1 site in 1 country. Contact the study team or a site near you to ask about taking part.
Switzerland1 site, 1 recruiting
- Recruiting
Centre Hospitalier Universtaire Vaudois (CHUV)
Lausanne, Canton of Vaud, 1001
David Baud, PhD, +41213143953, david.baud@chuv.ch
About this study
The goal of the study is to determine the clinical performance of the PremaSure kit, more precisely to assess whether the PremaSure kit can be used as a self-test to assess the risk of premature delivery in patients showing symptoms of premature delivery. The sensitivity and specificity of the test will be determined using as an outcome the delivery of the patient in the 7/14 days following the test.
The simplified procedure is the following:
- Patients are recruited and screened for eligibility criteria
- A healthcare professional collects a vaginal swab from the patient
- The collected sample is tested on the PremaSure kit
- Pregnancy outcome is compared to the PremaSure kit's result
Read the detailed description
Introduction:
Preterm birth is the first cause of death of infants below five years old. One of the key strategies to save preterm babies is to effectively identify women at risk of preterm birth. While current solutions for the assessment of prematurity risk rely on invasive examination performed by medical professional, the PremaSure is intended to be used by lay user, empowering them with a tool to monitor their pregnancy.
Measurement and procedures:
Consenting patient meeting all the inclusion and none of the exclusion critera will be swabbed by a healthcare professional to collect vaginal secretions. A study nurse will perform the test per the test's IFU. Information related to the patient's delivery will be collected after term to evaluate the predictive performance of the PremaSure kit.
Withdrawal and discontinuation:
Participants can withdraw their consent from the study at any time with no consequence for their clinical management. Patients do not have to provide any reason for withdrawing their consent. Patients who wish to withdraw consent for participation in the study, must notify the Principal Investigator by sending an email to or calling the Principal Investigator using the email address/ phone number mentioned in the ICF. Upon receipt of a notification that a patient wishes to withdraw from the study, the Principal Investigator will document the withdrawal in the eCRF and inquire whether the patient consents that already collected data can be kept on record.
Labelling of the device under investigation:
As the IVD device is not commercially available, the labelling shall indicate that the IVD device under investigation is exclusively for use in a performance study. Each device will have a unique identifying number to trace its origin and manufacturing lot.
Accountability of the IVD device:
Upon receipt at the study sites, the kits shall be stored in a secured location and only accessible for team members involved in the study.
Unused, expired or malfunctioning IVD devices shall be returned to the sponsor.
Monitoring plan:
For each of the sub-studies, a separate site initiation visit will be performed after all required approvals are obtained. As part of this visit the staff involved in the study at the study site will be trained on the procedures presented in this protocol. The devices/kits will be shipped to the site after authorization of the study by the Ethics Committee and approval of the required essential documents.
During the study, the monitor will contact and visit the site regularly. The monitor must have access, with reasonable prior notice, to the facilities of the study site and all source documents needed to verify adherence to the protocol as well as the completeness, consistency and accuracy of the data being entered on the eCRFs and other protocol-related documents. Additional checks of the consistency of the source data with the eCRFs will be performed according to the study-specific monitoring plan. The frequency of the monitoring visits will be mainly based on subject recruitment.
The investigator/delegate must ensure that the eCRFs are completed per the eCRF completion guidelines and that all requested subject files (e.g., ICF, medical notes/charts, other documentation verifying the activities conducted at the study) are available for review by the monitor. The required site staff must be available during the monitoring visits and allow necessary time to meet with the monitor to discuss study-related topics and issues.
A close-out visit will be performed for any initiated site.
Data recording:
Electronic Data Capture (EDC) will be used to collect eCRF data. The eCRF, based on RedCap solution, must be completed in a timely manner as per the eCRF completion guidelines.
The principal investigator and delegate site staff member(s) will be trained to enter and edit the data via a secure network, with secure access features (username, password and identification). While entering the data, the principal investigator/delegate will be instantly alerted to data queries by validated programmed checks. Additional review will be performed by the sponsor/monitor on an ongoing basis to check for unexpected patterns in data and for study monitoring. Should discrepant data be detected, a manual query will be issued for clarification of the data. The query will be visible to the principal investigator/delegate via the eCRF. Response/correction by the principal investigator/delegate will be performed directly in the eCRF. All eCRF entered data require must have documented background data which will remain available for the monitor and to health authorities queries and inspections. A complete electronic audit trail will be maintained in the EDC system. The investigator/delegate will approve the data, confirming its accuracy and completion by signing the eCRF electronically (as per US 21 CFR part 11). Data will be stored on secured servers in Switzerland.
Source data verification will be performed by the monitor. In the electronic database the sponsor shall have access to coded data that can be used to monitor patient recruitment and endpoint assessment.
- Conditions
- Preterm Delivery
- Keywords
- Preterm Delivery, Self-test
- Medical subject headings
- Premature Birth
What is being measured
The primary outcome is the main question the study is designed to answer.
Evaluation of the clinical performance of the PremaSure kit
On the population of patients who have fully completed the study without experiencing a non-spontaneous delivery up to 14 days after the sample collection, we will determine the sensitivity, specificity, accuracy, positive and negative predictive values (PPV and NPV respectively) of the PremaSure test for the identification of pregnant women at risk of pre-term delivery at 7 and 14 days, respectively
Measured: From enrollment to the delivery of the patient
Secondary outcomes (2)
Estimation of the clinical performance of the PremaSure kit on sub-group population
Estimation of sensitivity and specificity, PPV, NPV and prevalence for the risk of pre-term delivery of sub-groups, defined as any combination of the categories derived from the pregnancy information collected in the context of the present study. The statistical study power may not be attained for each subgroup. The aforementioned values will be determined considering as an outcome a delivery at 7 days, 14 days, or at any duration following the test.
Measured: From enrollment until the delivery of the patient
Estimation of correlation coefficients between the participant pregnancy information and the outcome of the pregnancy
Measured: From enrollment until delivery of the patient.
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted29 Dec 2025
- Study start5 Dec 2025
- Primary completionMar 2027 (estimated)
- Study completionMar 2027 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Preterm DeliveryStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Observational
- Observational model
- Cohort
- Time perspective
- Prospective
- Enrolment
- 800 participants (estimated)
- Target duration
- 3 Months
Sponsor and investigators
- Lead sponsor
- Rea Diagnostics SA
- Sponsor type
- Industry (pharma, biotech, devices)
- Collaborators
- Centre Hospitalier Universitaire Vaudois
- Responsible party
- Sponsor
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT07307365
- Sponsor's protocol ID
- REA-2024-02260
- Status last verified
- Dec 2025
- First submitted
- 15 Dec 2025
- Last updated
- 29 Dec 2025
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
Study at a glance
From the registry record, last updated by the sponsor on 29 Dec 2025. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Evaluation of the Clinical Performance of the PremaSure Kit to Assess Premature Delivery Risk in Symptomatic Pregnant Patients
- ClinicalTrials.gov ID
- NCT07307365
- Acronym / sponsor ID
- REA-2024-02260
- Conditions
- Preterm Delivery
- Keywords
- Preterm Delivery, Self-test
- Study type
- Observational
- Recruitment status
- Recruiting
- Enrolment
- 800 participants (estimated)
- Lead sponsor
- Rea Diagnostics SAIndustry (pharma, biotech, devices)
- Collaborators
- Centre Hospitalier Universitaire Vaudois
- Study start
- 5 Dec 2025 (actual)
- Primary completion
- Mar 2027 (estimated)
- Study completion
- Mar 2027 (estimated)
- First posted
- 29 Dec 2025 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
The goal of the study is to determine the clinical performance of the PremaSure kit, more precisely to assess whether the PremaSure kit can be used as a self-test to assess the risk of premature delivery in patients showing symptoms of premature delivery. The sensitivity and specificity of the test will be determined using as an outcome the delivery of the patient in the 7/14 days following the test.
The simplified procedure is the following:
- Patients are recruited and screened for eligibility criteria
- A healthcare professional collects a vaginal swab from the patient
- The collected sample is tested on the PremaSure kit
- Pregnancy outcome is compared to the PremaSure kit's result
Detailed description
Introduction:
Preterm birth is the first cause of death of infants below five years old. One of the key strategies to save preterm babies is to effectively identify women at risk of preterm birth. While current solutions for the assessment of prematurity risk rely on invasive examination performed by medical professional, the PremaSure is intended to be used by lay user, empowering them with a tool to monitor their pregnancy.
Measurement and procedures:
Consenting patient meeting all the inclusion and none of the exclusion critera will be swabbed by a healthcare professional to collect vaginal secretions. A study nurse will perform the test per the test's IFU. Information related to the patient's delivery will be collected after term to evaluate the predictive performance of the PremaSure kit.
Withdrawal and discontinuation:
Participants can withdraw their consent from the study at any time with no consequence for their clinical management. Patients do not have to provide any reason for withdrawing their consent. Patients who wish to withdraw consent for participation in the study, must notify the Principal Investigator by sending an email to or calling the Principal Investigator using the email address/ phone number mentioned in the ICF. Upon receipt of a notification that a patient wishes to withdraw from the study, the Principal Investigator will document the withdrawal in the eCRF and inquire whether the patient consents that already collected data can be kept on record.
Labelling of the device under investigation:
As the IVD device is not commercially available, the labelling shall indicate that the IVD device under investigation is exclusively for use in a performance study. Each device will have a unique identifying number to trace its origin and manufacturing lot.
Accountability of the IVD device:
Upon receipt at the study sites, the kits shall be stored in a secured location and only accessible for team members involved in the study.
Unused, expired or malfunctioning IVD devices shall be returned to the sponsor.
Monitoring plan:
For each of the sub-studies, a separate site initiation visit will be performed after all required approvals are obtained. As part of this visit the staff involved in the study at the study site will be trained on the procedures presented in this protocol. The devices/kits will be shipped to the site after authorization of the study by the Ethics Committee and approval of the required essential documents.
During the study, the monitor will contact and visit the site regularly. The monitor must have access, with reasonable prior notice, to the facilities of the study site and all source documents needed to verify adherence to the protocol as well as the completeness, consistency and accuracy of the data being entered on the eCRFs and other protocol-related documents. Additional checks of the consistency of the source data with the eCRFs will be performed according to the study-specific monitoring plan. The frequency of the monitoring visits will be mainly based on subject recruitment.
The investigator/delegate must ensure that the eCRFs are completed per the eCRF completion guidelines and that all requested subject files (e.g., ICF, medical notes/charts, other documentation verifying the activities conducted at the study) are available for review by the monitor. The required site staff must be available during the monitoring visits and allow necessary time to meet with the monitor to discuss study-related topics and issues.
A close-out visit will be performed for any initiated site.
Data recording:
Electronic Data Capture (EDC) will be used to collect eCRF data. The eCRF, based on RedCap solution, must be completed in a timely manner as per the eCRF completion guidelines.
The principal investigator and delegate site staff member(s) will be trained to enter and edit the data via a secure network, with secure access features (username, password and identification). While entering the data, the principal investigator/delegate will be instantly alerted to data queries by validated programmed checks. Additional review will be performed by the sponsor/monitor on an ongoing basis to check for unexpected patterns in data and for study monitoring. Should discrepant data be detected, a manual query will be issued for clarification of the data. The query will be visible to the principal investigator/delegate via the eCRF. Response/correction by the principal investigator/delegate will be performed directly in the eCRF. All eCRF entered data require must have documented background data which will remain available for the monitor and to health authorities queries and inspections. A complete electronic audit trail will be maintained in the EDC system. The investigator/delegate will approve the data, confirming its accuracy and completion by signing the eCRF electronically (as per US 21 CFR part 11). Data will be stored on secured servers in Switzerland.
Source data verification will be performed by the monitor. In the electronic database the sponsor shall have access to coded data that can be used to monitor patient recruitment and endpoint assessment.
Study design
- Observational model
- Cohort
- Time perspective
- Prospective
- Target follow-up
- 3 Months
Who may qualify
- Ages
- 18 years and older
- Sex
- Female only
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
- Study population
- Pregnant patients with symptoms of premature delivery.
Key inclusion criteria (4 listed)
- Informed Consent signed by the subject
- Female patients above 18 years
- Gestational week from 22w+0 days to 35w+6 days
- Symptoms of prematurity.
Key exclusion criteria (5 listed)
- Subject lacking capacity to provide informed consent
- Enrolment of the project leader, their family members, employees and other dependent persons
- Patients with ruptured amniotic membranes or blood in their vaginal discharge
- Patients with vaginal examination in the last 24 hours
- Previous enrolment in the current study
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Primary outcome
Evaluation of the clinical performance of the PremaSure kit
Time frame: From enrollment to the delivery of the patient
On the population of patients who have fully completed the study without experiencing a non-spontaneous delivery up to 14 days after the sample collection, we will determine the sensitivity, specificity, accuracy, positive and negative predictive values (PPV and NPV respectively) of the PremaSure test for the identification of pregnant women at risk of pre-term delivery at 7 and 14 days, respectively
2 secondary outcomes
Estimation of the clinical performance of the PremaSure kit on sub-group population
Time frame: From enrollment until the delivery of the patient
Estimation of correlation coefficients between the participant pregnancy information and the outcome of the pregnancy
Time frame: From enrollment until delivery of the patient.
Results and safety
This study is still under way. Results are not available in the source record yet.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 29 Dec 2025.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part.
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
An observational study of Preterm Delivery, run by Rea Diagnostics SA at 1 site in Switzerland.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 4 inclusion and 5 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: looking for participants now, as of the sponsor's last update on 29 Dec 2025. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in Switzerland. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
This study is still under way. Results are not available in the source record yet.
How can a doctor refer a patient or contact the research team?
Contact Pierre-Emmanuel Thiriet, PhD (+41216931345, pierre-emmanuel.thiriet@readiagnostics.com), or a site near the patient. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Evaluation of the clinical performance of the PremaSure kit (time frame: From enrollment to the delivery of the patient). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 29 Dec 2025.