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NCT Number: NCT07465315

Behavioural Intervention to Decrease Exposure to Emerging Chemical Pollutants

The purpose of this study is to evaluate the effectiveness of a behavioural intervention designed to reduce exposure to environmental chemical pollutants among adults in Spain.

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Key information

Conditions

Environmental Exposure

Age range

30 year–60 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 2 / Phase 3

Primary location

Hospital Universitario Clínico San Cecilio, Granada, Spain

Loading trial locations.

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

for the Screening phase:

  • Not planning to change residence within one year after recruitment
  • Spanish fluency
  • Living independently in the community
  • WhatsApp user
  • Age 30-60 years
  • Providing signed informed consent

Exclusion criteria

for the Screening phase:

  • Unable to provide any of the required biological samples
  • Suffering any chronic condition that substantially hinders adherence to the trial protocol and/or affects pollutant analyses
  • Inability to understand the informed consent, questionnaires, or intervention
  • Already participating in another intervention trial at the time of recruitment
  • Pregnancy or lactation
  • Inability to communicate with the research team and/or to attend the follow-up visits

Inclusion criteria

for the Intervention Phase:

  • Not planning to change residence within one year after recruitment
  • Spanish fluency
  • Living independently in the community
  • WhatsApp user
  • Age 30-60 years
  • Providing signed informed consent
  • Participant of the Screening phase

Exclusion criteria

for the Intervention Phase:

  • Unable to provide any of the required biological samples
  • Suffering from any chronic condition that substantially hinders adherence to the trial protocol and/or affects pollutant analyses
  • Inability to understand the informed consent, questionnaires, or intervention
  • Already participating in another intervention trial at the time of recruitment
  • Pregnancy or lactation
  • Inability to communicate with the research team and/or attend follow-up visits

Treatment and study plan

Guidelines from the public healthcare system

Behavioral

Healthy lifestyle guidelines from the public healthcare system, supported by short talks

INPOL healthy lifestyle informative guidelines

Behavioral

Informative guidelines focused on how to decrease environmental chemical pollutant exposure, supported by short talks and social network interaction.

Primary outcomes

  1. Difference between groups in the average number of measured pollutants that decrease by at least 5% from baseline to the 3 month follow up

    Time frame: From baseline to 3 month follow-up

Secondary outcomes

  1. Difference between groups in the average number of measured chemicals that increase by at least 5% from baseline to 3 month follow-up between groups

    Time frame: Baseline to 3 month follow-up

  2. Difference between groups in the average individual chemical concentrations at 3-month follow-up

    Time frame: Baseline to 3 month follow-up

Study contacts

Contact information is provided by the study sponsor or research team.

Juan P Arrebola

CONTACT

[email protected]

958 24 96 18 ext. 34

Sponsors and collaborators

Lead sponsor

Universidad de Granada

Other

Registry information

Official study title

Effectiveness of a Behavioural Intervention to Decrease Exposure to Emerging Chemical Pollutants Compared to Standard Lifestyle Recommendations Among Adults in Spain (INPOL): a 3-month Multicentre, Parallel-group, Superiority Randomized Controlled Trial

Acronym: INPOL

Important dates

Study start
2026
Primary completion
2026
Study completion
2027
First posted
Mar 11, 2026
Registry last updated
Mar 16, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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