Experts in Physical Activity Prescription and Risk Health ScreeningAPPA e-DelphiNCT07475221
Expert Validation of an Autonomous Personalized Physical Activity Algorithm
An observational study of Experts in Physical Activity Prescription and Risk Health Screening, run by Polytechnic Institute of Porto at 1 site in Portugal.
Trial summary
This study aims to validate a personalized physical activity algorithm for risk screening and individualized exercise prescription using a modified online Delphi process. International experts in physical activity and exercise will evaluate the algorithm's components over two rounds of questionnaires, with consensus… Read more about this study
- Who is it for?
- Ages 18 years and older
- Conditions the study is for
- Experts in Physical Activity Prescription and Risk Health Screening
- How many people
- 9 participants
- Where
- 1 sitePortugal
- Study dates
- 10 Mar 2026to Dec 2026
- 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
- All sexes
- No healthy volunteers
- Adult, Older adult
Study population: The study population will consist of international experts in the field of Physical Activity and Exercise. Participants will be identified based on their recognized scientific or professional experience and possession of a relevant doctoral degree. Recruitment will be primarily via institutional email invitations, supplemented by personal contacts when needed. Eligible experts will voluntarily participate in two rounds of an online modified Delphi questionnaire and, if required, an online focus group to resolve any remaining disagreements. The targeted panel size is 9 - 18 experts to ensure representativeness and methodological robustness.
Who may be able to join
- Experts in Physical Activity and Exercise with recognized scientific or professional experience and a relevant doctoral degree.
- Availability to complete two rounds of the online modified Delphi questionnaire.
- Willingness to participate in an online focus group if consensus is not reached.
- Ability and willingness to provide informed consent.
Who cannot join
- Individuals unable to provide informed consent.
- Individuals without access to a computer, smartphone, tablet, or other internet-enabled device necessary to complete the online survey.
Trial locations and contacts
1 site in 1 country.
Portugal1 site
School of Health - Polytechnic Institute of Porto
Porto, 4200-072
About this study
Official title: Validation of a Personalized Physical Activity Algorithm Via Modified e-Delphi (InnovaMotion Project)
This study aims to validate a personalized physical activity algorithm for risk screening and individualized exercise prescription using a modified online Delphi process. International experts in physical activity and exercise will evaluate the algorithm's components over two rounds of questionnaires, with consensus defined as ≥70% agreement. If needed, a focus group will resolve any remaining disagreements. Validation of this algorithm may support safer, more effective autonomous exercise, promoting adherence, improved health outcomes, and population-level benefits.
Read the detailed description
Study Phases - eDelphi Validation of the APPA Algorithm
Phase 1 - Round 1 (Initial Online Questionnaire):
The first phase consists of an online survey in which international experts in physical activity and exercise will evaluate the components of the personalized physical activity algorithm for health risk screening and individualized exercise prescription. Experts will assess the relevance, clarity, and clinical appropriateness of each item. Feedback from this round will identify items requiring modification or clarification.
Phase 2 - Round 2 (Re-evaluation):
The second phase consists of a consecutive online survey round, in which experts will re-evaluate the revised algorithm components based on feedback from Round 1. Experts will have the opportunity to adjust their ratings. This phase aims to move items closer to consensus (≥70% agreement).
Phase 3 - Optional Focus Group (if needed):
If consensus is not reached on specific items after Round 2, an online focus group will be conducted to discuss and resolve remaining disagreements. This discussion will help refine the algorithm and ensure agreement on all components.
- Keywords
- eDelphi, physical activity, Modified Delphi, Digital Health, Expert Consensus, Exercise Prescription, screening, health risk stratification
- Medical subject headings
- Motor Activity
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
| Study group | Role | What they receive |
|---|---|---|
| Expert Panel | Cohort of experts in physical activity and exercise with recognized scientific or professional experience and a relevant doctoral degree. Experts will validate a digital algorithm for health risk screening and individualized physical activity prescription via a modified online Delphi process. Two rounds of anonymous questionnaires will assess the relevance, clarity, and clinical appropriateness of algorithm components. If consensus (≥70% agreement) is not reached, a follow-up online focus group will resolve disagreements. Recruitment will be through institutional emails and professional networks. Participation is voluntary, with informed consent obtained. Panel size: 9-18 experts, consistent with Delphi methodology to ensure representativeness and robustness. |
What is being measured
The primary outcome is the main question the study is designed to answer.
Expert consensus on algorithm components
Consensus defined as ≥70% agreement among experts using a 9-point Likert scale in a two-round modified Delphi process evaluating the relevance and clarity of algorithm items.
Measured: Up to 2 months
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted16 Mar 2026
- Study start10 Mar 2026
- Primary completion30 Jun 2026
- Study completionDec 2026 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Experts in Physical Activity Prescription and Risk Health ScreeningStudies 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
- Other
- Time perspective
- Prospective
- Enrolment
- 9 participants (estimated)
Sponsor and investigators
- Lead sponsor
- Polytechnic Institute of Porto
- Sponsor type
- University, hospital or other
- Collaborators
- Center for Rehabilitation Research - Polytechnic Institute of Porto (IPP)
- Responsible party
- Principal investigator, Maria Pereira Gomes, Polytechnic Institute of Porto
- Investigators
- Andreia SP Sousa, Study director, Center for Rehabilitation ResearchAntónio M Montes, Study director, Center for Rehabilitation ResearchAnabela C Martins, Study director, H&TR-Health & Technology Research Center, Coimbra Health School, Polytechnic University of Coimbra
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT07475221
- Sponsor's protocol ID
- CE0073F
- Other IDs
- 02/C06-i03.03/2021.PID-15, UID/05210/2025
- Acronym
- APPA e-Delphi
- Status last verified
- Mar 2026
- First submitted
- 12 Mar 2026
- Last updated
- 25 Sep 2026
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- No
Study at a glance
From the registry record, last updated by the sponsor on 25 Sep 2026. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Validation of a Personalized Physical Activity Algorithm Via Modified e-Delphi (InnovaMotion Project)
- ClinicalTrials.gov ID
- NCT07475221
- Acronym / sponsor ID
- APPA e-Delphi / CE0073F
- Keywords
- eDelphi, physical activity, Modified Delphi, Digital Health, Expert Consensus, Exercise Prescription, screening, health risk stratification
- Study type
- Observational
- Recruitment status
- Active, not recruiting
- Enrolment
- 9 participants (estimated)
- Lead sponsor
- Polytechnic Institute of PortoUniversity, hospital or other
- Collaborators
- Center for Rehabilitation Research - Polytechnic Institute of Porto (IPP)
- Study start
- 10 Mar 2026 (actual)
- Primary completion
- 30 Jun 2026 (actual)
- Study completion
- Dec 2026 (estimated)
- First posted
- 16 Mar 2026 (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.
This study aims to validate a personalized physical activity algorithm for risk screening and individualized exercise prescription using a modified online Delphi process. International experts in physical activity and exercise will evaluate the algorithm's components over two rounds of questionnaires, with consensus defined as ≥70% agreement. If needed, a focus group will resolve any remaining disagreements. Validation of this algorithm may support safer, more effective autonomous exercise, promoting adherence, improved health outcomes, and population-level benefits.
Detailed description
Study Phases - eDelphi Validation of the APPA Algorithm
Phase 1 - Round 1 (Initial Online Questionnaire):
The first phase consists of an online survey in which international experts in physical activity and exercise will evaluate the components of the personalized physical activity algorithm for health risk screening and individualized exercise prescription. Experts will assess the relevance, clarity, and clinical appropriateness of each item. Feedback from this round will identify items requiring modification or clarification.
Phase 2 - Round 2 (Re-evaluation):
The second phase consists of a consecutive online survey round, in which experts will re-evaluate the revised algorithm components based on feedback from Round 1. Experts will have the opportunity to adjust their ratings. This phase aims to move items closer to consensus (≥70% agreement).
Phase 3 - Optional Focus Group (if needed):
If consensus is not reached on specific items after Round 2, an online focus group will be conducted to discuss and resolve remaining disagreements. This discussion will help refine the algorithm and ensure agreement on all components.
Study design
- Observational model
- Other
- Time perspective
- Prospective
- Number of arms
- 1
| Arm | Type | Receives |
|---|---|---|
| Expert Panel | – | –Cohort of experts in physical activity and exercise with recognized scientific or professional experience and a relevant doctoral degree. Experts will validate a digital algorithm for health risk screening and individualized physical activity prescription via a modified online Delphi process. Two rounds of anonymous questionnaires will assess the relevance, clarity, and clinical appropriateness of algorithm components. If consensus (≥70% agreement) is not reached, a follow-up online focus group will resolve disagreements. Recruitment will be through institutional emails and professional networks. Participation is voluntary, with informed consent obtained. Panel size: 9-18 experts, consistent with Delphi methodology to ensure representativeness and robustness. |
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
- Study population
- The study population will consist of international experts in the field of Physical Activity and Exercise. Participants will be identified based on their recognized scientific or professional experience and possession of a relevant doctoral degree. Recruitment will be primarily via institutional email invitations, supplemented by personal contacts when needed. Eligible experts will voluntarily participate in two rounds of an online modified Delphi questionnaire and, if required, an online focus group to resolve any remaining disagreements. The targeted panel size is 9 - 18 experts to ensure representativeness and methodological robustness.
Key inclusion criteria (4 listed)
- Experts in Physical Activity and Exercise with recognized scientific or professional experience and a relevant doctoral degree.
- Availability to complete two rounds of the online modified Delphi questionnaire.
- Willingness to participate in an online focus group if consensus is not reached.
- Ability and willingness to provide informed consent.
Key exclusion criteria (2 listed)
- Individuals unable to provide informed consent.
- Individuals without access to a computer, smartphone, tablet, or other internet-enabled device necessary to complete the online survey.
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
Expert consensus on algorithm components
Time frame: Up to 2 months
Consensus defined as ≥70% agreement among experts using a 9-point Likert scale in a two-round modified Delphi process evaluating the relevance and clarity of algorithm items.
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 25 Sep 2026.
- Individual participant dataSharing planned: No
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. This study is not recruiting at the moment.
Andreia SP Sousa study director
Center for Rehabilitation Research
António M Montes study director
Center for Rehabilitation Research
Anabela C Martins study director
H&TR-Health & Technology Research Center, Coimbra Health School, Polytechnic University of Coimbra
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 Experts in Physical Activity Prescription and Risk Health Screening, run by Polytechnic Institute of Porto at 1 site in Portugal.
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 2 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: under way, not looking for participants, as of the sponsor's last update on 25 Sep 2026. 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 Portugal. 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?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Expert consensus on algorithm components (time frame: Up to 2 months). 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 25 Sep 2026.