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Mitigation of Health Effects in Outdoor Workers by Reducing Exposure to Heat and Air Pollution (ISMED-CLIM OW)

2026年6月12日 更新者：Panayiotis Yiallouros、University of Cyprus

Innovative Solutions Across the MEDiterranean for Mitigation of Climate Change-related heaLth rIsks in Outdoor Workers

The goal of this clinical trial is to assess the effectiveness of an intervention (combination of behavioural recommendations and technical measures) in reducing personal exposure to heat and air pollution and related health effects in outdoor workers.

The main questions it aims to answer are:

  • Does the intervention (combination of behavioral recommendations for heat mitigation) reduce personal ambient temperature exposure, measured using a wearable device (iButton)?
  • Does the intervention (combination of behavioral recommendations for air pollution mitigation and use of indoor air cleaners) reduce indoor exposure to air pollution, measured using indoor air quality sensors (Purple Air)?
  • Does the intervention (combination of behavioral recommendations for heat mitigation) reduce physiological strain experienced by individuals working in hot environments, measured using the Heat Strain Score Index?

Researchers will compare measurements between outdoor workers carrying out their activities in the absence of intervention (control group), those carrying out their activities with behavioural recommendations (recommendation intervention group) and those carrying out their activities with both behavioural recommendations for heat mitigation and continuous use of indoor air cleaners in their house (heat and air pollution mitigation intervention group) to see if changes in temperature exposure and physiological strain are different between intervention groups.

Participants will:

  • Wear the wearable devise for continuous personal ambient temperature monitoring (ibutton) daily for a period of three months
  • Have their core temperature measured using an eCelsius medical capsule in three repeated assessments
  • Complete the Heat Strain Score Index questionnaire in three repeated assessments
  • Provide samples of urine, blood, saliva and hair for measurement of various biomarkers in three repeated assessments

研究概览

地位

招聘中

条件

干预/治疗

研究类型

介入性

注册 (估计的)

102

阶段

  • 不适用

联系人和位置

本节提供了进行研究的人员的详细联系信息，以及有关进行该研究的地点的信息。

学习联系方式

研究联系人备份

学习地点

  • 希腊
      • Trikala、希腊
        • 招聘中
        • University of Thessaly
        • 接触：
          • Andreas Flouris, Professor
          • 电话号码：+30 24310 47072
          • 邮箱：aflouris@uth.gr
  • 西班牙
      • León、西班牙
        • 招聘中
        • University of Léon
        • 接触：
          • Belén Carballo-Leyenda, Professor
          • 电话号码：+34 987 293 023
          • 邮箱：abcarl@unileon.es

参与标准

研究人员寻找符合特定描述的人，称为资格标准。这些标准的一些例子是一个人的一般健康状况或先前的治疗。

资格标准

适合学习的年龄

  • 成人
  • 年长者

接受健康志愿者

是的

描述

Inclusion Criteria:

  • 18-65 years old
  • Municipality outdoor workers
  • Regularly working outdoors for al least 6 hours per day
  • Living in León (Spain) or Trikala (Greece)
  • Clinically healthy
  • No history of diabetes mellitus type 2 (DM2)
  • No history of arterial hypertension

Exclusion Criteria:

  • Currently smoking
  • Presence of any smoking residents in the household
  • Not residing at the household for at least 5 days a week
  • Planning to move from the current home within the next two months
  • No access to Wi-Fi or 4G/5G mobile phone
  • Severe chronic conditions (congestive heart failure, ischemic heart disease, significant valvular heart disease, DM2, inflammatory diseases, renal failure, or active cancer)
  • Drugs abuse
  • Alcohol abuse
  • Psychiatric disorders
  • Severe mental disability that interferes with answering questions or following instructions

学习计划

本节提供研究计划的详细信息，包括研究的设计方式和研究的衡量标准。

研究是如何设计的？

设计细节

  • 主要用途：预防
  • 分配：随机化
  • 介入模型：并行分配
  • 屏蔽：无（打开标签）

武器和干预

参与者组/臂
干预/治疗
无干预：Control group
Subjects in this arm will receive no alerts for high temperatures nor recommendations for mitigation of heat-related health effects.
实验性的：Heat intervention - Personal Alerts and Specific Recommendations
Subjects in this group will receive timely personal alerts for high temperatures and specific recommendations to reduce exposure to heat and mitigation of heat-related health effects in written and animated format through mobile phones, mobile applications and online tools.
其他：Heat intervention
The participants in this group of intervention will receive timely personal alerts for high temperatures and specific recommendations to reduce exposure to heat by changing patterns of time spent and physical activity performed outdoors, regulating indoor temperature using fans and/or air conditioning devices, as well as recommendations for mitigation of heat-related health effects (hydration, body cooling) in written and animated format, through mobile phones, web application and online tools to be developed by the project research team
其他名称：
  • Behavioral intervention to reduce exposure to heat
实验性的：Heat and air pollution intervention - Group Alerts, Recommendations and Air Cleaners
Subjects in this group will receive alerts and recommendations as in group "Heat intervention" and in addition, continuously use of air cleaners with HEPA filter for removing PM from indoor air in their residences and workplaces to provide evidence for health benefits.
其他：Heat and air pollution mitigation intervention
The participants in this intervention group will receive alerts and recommendations as in group "Heat intervention" and, in addition, continuously use air cleaners with HEPA filters for removing PM from indoor air in their residences and workplaces.
其他名称：
  • Behavioral intervention to reduce exposure to heat and air-pollution

研究衡量的是什么？

主要结果指标

结果测量
措施说明
大体时间
Heat Strain Score Index
大体时间：The HSSI will be assessed at baseline, middle (after 1 month), and at end of observation period (after 2 months).
The Heat Strain Score Index (HSSI) is a questionnaire-based assessment tool used to assess the risk of heat strain on individuals exposed to hot environments, using a questionnaire. It integrates multiple factors, such as environmental conditions, work intensity, clothing, and physiological responses, to estimate the likelihood of heat stress affecting a person.
The HSSI will be assessed at baseline, middle (after 1 month), and at end of observation period (after 2 months).

次要结果测量

结果测量
措施说明
大体时间
Heart Rate
大体时间：Heart Rate will be assessed at baseline, middle (after 1 month), and at end of observation period (after 2 months).
Heart rate will be measured using ECG.
Heart Rate will be assessed at baseline, middle (after 1 month), and at end of observation period (after 2 months).
The personal ambient temperature profile of all participants
大体时间：Daily measurements - for the whole duration of follow-up (2 months)
Personal exposures of participants will be monitored continuously during the two observation months with wearable sensors to be always worn and assess personal exposure to ambient (indoor and outdoor) temperature (iButton).
Daily measurements - for the whole duration of follow-up (2 months)
Serum Urea Levels
大体时间：Serum levels of urea will be assessed at baseline, middle (after 1 month), and at end of observation period (after 2 months).
Serum levels of urea (mg/dL), as a marker of renal function, will be measured from each participant at baseline, middle (after 1 month), and at end of observation period (after 2 months).
Serum levels of urea will be assessed at baseline, middle (after 1 month), and at end of observation period (after 2 months).
Serum Creatinine Levels
大体时间：Serum levels of creatinine will be assessed at baseline, middle (after 1 month), and at end of observation period (after 2 months).
Serum levels of creatinine (mg/dL), as a marker of renal function, will be measured from each participant at baseline, middle (after 1 month), and at end of observation period (after 2 months).
Serum levels of creatinine will be assessed at baseline, middle (after 1 month), and at end of observation period (after 2 months).
Serum Sodium levels
大体时间：Serum levels of sodium will be assessed at baseline, middle (after 1 month), and at end of observation period (after 2 months).
Serum levels of sodium (mmol/L), as a marker of hydration, will be measured from each participant at baseline, middle (after 1 month), and at end of observation period (after 2 months).
Serum levels of sodium will be assessed at baseline, middle (after 1 month), and at end of observation period (after 2 months).
Serum Osmolality
大体时间：Serum osmolality will be assessed at baseline, middle (after 1 month), and at end of observation period (after 2 months).
Serum osmolality (mOsm/kg), as a marker of hydration, will be measured from each participant at baseline, middle (after 1 month), and at end of observation period (after 2 months).
Serum osmolality will be assessed at baseline, middle (after 1 month), and at end of observation period (after 2 months).
Urine Creatinine Levels
大体时间：Urine levels of creatinine will be assessed at baseline, middle (after 1 month), and at end of observation period (after 2 months).
Urine levels of creatinine (mg/dL), as a marker of renal function, will be measured from each participant at baseline, middle (after 1 month), and at end of observation period (after 2 months).
Urine levels of creatinine will be assessed at baseline, middle (after 1 month), and at end of observation period (after 2 months).
Urine Sodium levels
大体时间：Urine levels of sodium will be assessed at baseline, middle (after 1 month), and at end of observation period (after 2 months).
Urine levels of sodium (mmol/L), as a marker of hydration, will be measured from each participant at baseline, middle (after 1 month), and at end of observation period (after 2 months).
Urine levels of sodium will be assessed at baseline, middle (after 1 month), and at end of observation period (after 2 months).
Urine Potassium levels
大体时间：Urine levels of potassium will be assessed at baseline, middle (after 1 month), and at end of observation period (after 2 months).
Urine levels of potassium (mmol/L), as a marker of hydration, will be measured from each participant at baseline, middle (after 1 month), and at end of observation period (after 2 months).
Urine levels of potassium will be assessed at baseline, middle (after 1 month), and at end of observation period (after 2 months).
Urine Osmolality
大体时间：Urine osmolality will be assessed at baseline, middle (after 1 month), and at end of observation period (after 2 months).
Urine osmolality (mOsm/kg), as a marker of hydration, will be measured from each participant at baseline, middle (after 1 month), and at end of observation period (after 2 months).
Urine osmolality will be assessed at baseline, middle (after 1 month), and at end of observation period (after 2 months).
Hair cortisol levels
大体时间：Hair cortisol levels will be assessed at baseline, middle (after 1 month), and at end of observation period (after 2 months).
Hair cortisol levels (pg/mg), as a marker of stress, will be measured from each participant at baseline, middle (after 1 month), and at end of observation period (after 2 months).
Hair cortisol levels will be assessed at baseline, middle (after 1 month), and at end of observation period (after 2 months).
Saliva alpha-amylase levels
大体时间：Saliva levels of alpha-amylase will be assessed at baseline, middle (after 1 month), and at end of observation period (after 2 months).
Saliva levels of alpha-amylase (U/mL), as a marker of stress, will be measured from each participant at baseline, middle (after 1 month), and at end of observation period (after 2 months).
Saliva levels of alpha-amylase will be assessed at baseline, middle (after 1 month), and at end of observation period (after 2 months).
Pittsburgh Sleep Quality Index (PSQI)
大体时间：The PSQI will be assessed at baseline, middle (after 1 month), and at end of observation period (after 2 months).
The Pittsburgh Sleep Quality Index (PSQI) is a self-report questionnaire that assesses sleep quality over a one-month time interval. The PSQI is commonly used in both clinical and research settings to evaluate various aspects of sleep. It is a valuable tool for assessing sleep quality as it captures multiple dimensions of sleep, including both subjective experiences and objective parameters. Higher scores indicate poorer sleep quality, with a score greater than 5 suggesting significant sleep difficulties.
The PSQI will be assessed at baseline, middle (after 1 month), and at end of observation period (after 2 months).
Hamilton Anxiety Rating Scale
大体时间：The Hamilton Anxiety Rating Scale will be assessed at baseline, middle (after 1 month), and at end of observation period (after 2 months).
The Hamilton Anxiety Rating Scale will be carried out to assess the severity of a person's anxiety. The Hamilton Anxiety Rating Scale ranges from 0 to 56, where higher scores indicate greater anxiety severity. The scoring is divided into severity tiers: <17 (mild), 18-24 (mild to moderate), and 25-56 (moderate to severe). The scale consists of 14 items, each rated from 0 to 4 points. It evaluates both psychic anxiety (e.g., tension, fears, mood) and somatic anxiety (physical complaints).
The Hamilton Anxiety Rating Scale will be assessed at baseline, middle (after 1 month), and at end of observation period (after 2 months).
Systolic/Diastolic Blood Pressure
大体时间：Systolic/Diastolic blood pressure will be assessed at baseline, middle (after 1 month), and at end of observation period (after 2 months).
Measurements of Systolic/Diastolic Blood Pressure will be recorded.
Systolic/Diastolic blood pressure will be assessed at baseline, middle (after 1 month), and at end of observation period (after 2 months).
Heart Rate Variability
大体时间：The heart rate variability will be assessed at baseline, middle (after 1 month), and at end of observation period (after 2 months).
Heart rate variability will be measured using ECG.
The heart rate variability will be assessed at baseline, middle (after 1 month), and at end of observation period (after 2 months).
Serum C-reactive Protein Levels
大体时间：Serum levels of C-reactive protein will be assessed at baseline, middle (after 1 month), and at end of observation period (after 2 months).
Serum levels of C-reactive protein (mg/L), as a marker of systemic inflammation, will be measured from each participant at baseline, middle (after 1 month), and at end of observation period (after 2 months).
Serum levels of C-reactive protein will be assessed at baseline, middle (after 1 month), and at end of observation period (after 2 months).
Serum Potassium Levels
大体时间：Serum levels of potassium will be assessed at baseline, middle (after 1 month), and at end of observation period (after 2 months).
Serum levels of potassium (mmol/L), as a marker of hydration, will be measured from each participant at baseline, middle (after 1 month), and at end of observation period (after 2 months).
Serum levels of potassium will be assessed at baseline, middle (after 1 month), and at end of observation period (after 2 months).
Wet-bulb globe temperature (WGBT)
大体时间：Daily measurements - for the whole duration of follow-up (2 months).
Wet-bulb globe temperature, will be assessed as a thermal stress indicator.
Daily measurements - for the whole duration of follow-up (2 months).
Humidity
大体时间：Daily measurements - for the whole duration of follow-up (2 months).
Humidity will be measured using iButton.
Daily measurements - for the whole duration of follow-up (2 months).
Indoor concentration levels of Particulate Matter 2.5 (PM 2.5) at residence
大体时间：Daily measurements - for the whole duration of follow-up (2 months).
Indoor concentration levels of PM2.5 (micrograms per cubic meter of air) at participants' residences will be measured continuously indoors using commercial lightweight sensors (Alpha sense).
Daily measurements - for the whole duration of follow-up (2 months).
Indoor concentration levels of Particulate Matter 10 (PM 10) at residence
大体时间：Daily measurements - for the whole duration of follow-up (2 months).
Indoor concentration levels of PM10 (micrograms per cubic meter of air) at participants' residences will be measured continuously indoors using commercial lightweight sensors (Alpha sense).
Daily measurements - for the whole duration of follow-up (2 months).
Number of daily steps
大体时间：Daily measurements - for the whole duration of follow-up (2 months)
Number of daily steps will be measured throughout the day by a wearable device (wristband).
Daily measurements - for the whole duration of follow-up (2 months)
Daily heart rate
大体时间：Daily measurements - for the whole duration of follow-up (2 months) .
Heart rate measurements taken throughout the day by a wearable device (wristband).
Daily measurements - for the whole duration of follow-up (2 months) .
Sleep-wake time
大体时间：Daily measurements - for the whole duration of follow-up (2 months)
Sleep-wake time (minutes) will be estimated based on measurements of movement and heart rate obtained from a wearable device (wristband)
Daily measurements - for the whole duration of follow-up (2 months)
Sleep-Wake Time self-reported evaluation
大体时间：The sleep-wake self-reported evaluation will be assessed at baseline, middle (after 1 month), and at end of observation period (after 2 months).
The sleep-wake time (minutes) self-reported evaluation will be carried out using a predefined sleep diary which will be completed by the participant on the morning after he/she wakes up. Each assessment of sleep-wake time self-reported evaluation will be carried out for a whole week.
The sleep-wake self-reported evaluation will be assessed at baseline, middle (after 1 month), and at end of observation period (after 2 months).

合作者和调查者

在这里您可以找到参与这项研究的人员和组织。

赞助

University of Cyprus

合作者

University of Thessaly
University of Leon

调查人员

  • 首席研究员：Panayiotis Yiallouros, Professor、University of Cyprus

研究记录日期

这些日期跟踪向 ClinicalTrials.gov 提交研究记录和摘要结果的进度。研究记录和报告的结果由国家医学图书馆 (NLM) 审查，以确保它们在发布到公共网站之前符合特定的质量控制标准。

研究主要日期

学习开始 (实际的)

2026年5月1日

初级完成 (估计的)

2027年7月31日

研究完成 (估计的)

2027年7月31日

研究注册日期

首次提交

2026年6月3日

首先提交符合 QC 标准的

2026年6月3日

首次发布 (实际的)

2026年6月9日

研究记录更新

最后更新发布 (实际的)

2026年6月16日

上次提交的符合 QC 标准的更新

2026年6月12日

最后验证

2026年6月1日

更多信息

与本研究相关的术语

关键字

其他相关的 MeSH 术语

其他研究编号

  • 101156653.LL1.OW
  • 101156653 (其他赠款/资助编号：European Commission)

计划个人参与者数据 (IPD)

计划共享个人参与者数据 (IPD)？

不

药物和器械信息、研究文件

研究美国 FDA 监管的药品

不

研究美国 FDA 监管的设备产品

不

此信息直接从 clinicaltrials.gov 网站检索，没有任何更改。如果您有任何更改、删除或更新研究详细信息的请求，请联系 register@clinicaltrials.gov. clinicaltrials.gov 上实施更改，我们的网站上也会自动更新.

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