- ICH GCP
- Registro degli studi clinici negli Stati Uniti
- Sperimentazione clinica NCT07617649
Laboratory Heat Biomarker and Cooling Interventions
Laboratory Based Identification of Heat Stress Biomarkers and Effective Cooling Interventions
Our study has two goals. The first goal is to find a blood test that can detect signs of strain from heat in the body ("a biomarker"). Second, the study team wants to identify types of devices that can help people cool down quickly.
By identifying biomarkers for heat strain, scientists can better track and treat the health effects of heat. The study team will identify such biomarkers by simulating, in a laboratory-based environment, the heat and physical work that real-world workers experience.
In addition, the study team plans to test two cooling technologies that might keep people cool during physical activity.
Panoramica dello studio
Stato
Condizioni
Intervento / Trattamento
Tipo di studio
Iscrizione (Stimato)
Fase
- Non applicabile
Contatti e Sedi
Luoghi di studio
-
-
California
-
Stanford, California, Stati Uniti, 94305
- Stanford University
-
Contatto:
- Astrid Elliott, MS
- Email: astride@stanford.edu
-
-
Criteri di partecipazione
Criteri di ammissibilità
Età idonea allo studio
- Adulto
Accetta volontari sani
Descrizione
Inclusion Criteria:
- Age 18-50
- Able to communicate in English or Spanish
- General good health
- A lifestyle that includes regular patterns of modest exercise
- Body weight over 80 pounds
Exclusion Criteria:
- Cannot provide informed consent
- Known history of cardiac arrhythmias or having a pacemaker
- Difficulty swallowing pills
- Planned upcoming X-ray tests or MRI
- Known history of gastroparesis, diverticulosis or diverticulitis, or inflammatory bowel disease
- Previous surgery on stomach or intestines (except for appendix or gallbladder)
- Pregnancy
- Self-reported cardiac, kidney, or pulmonary disease, or diabetes
- Concurrent use of temperature- or inflammation-modulating medications such as steroids or non-steroidal anti-inflammatory drugs (NSAIDs)
- Staff under the direct supervision of any project directors or employed in the laboratory of the study investigators
Piano di studio
Come è strutturato lo studio?
Dettagli di progettazione
- Scopo principale: Prevenzione
- Assegnazione: Randomizzato
- Modello interventistico: Assegnazione incrociata
- Mascheramento: Nessuno (etichetta aperta)
Armi e interventi
Gruppo di partecipanti / Arm |
Intervento / Trattamento |
|---|---|
|
Sperimentale: Biomarker testing (A), Cooling bandana (B), Hand cooling table (C)
On day 1 participants use the treadmill for one hour at a research laboratory while being monitored by trained research personnel and no cooling intervention is given to the participants.
On day 2, participants use a cooling bandana during exercise for 1 hour.
On day 3, participants use a hand cooling table after exercise for 10 minutes during a recovery period.
|
A participant can rest their hand on the cooling table after the one hour exercise session, and this should cool their body quickly.
Cold water is pumped throughout the cooling table.
A participant will tie a bandana that has been soaked in cold water onto their forehead.
They will wear this bandana during the one hour exercise session.
|
|
Sperimentale: Biomarker testing (A), Hand cooling table (C), Cooling bandana (B)
On day 1 participants use the treadmill for one hour at a research laboratory while being monitored by trained research personnel and no cooling intervention is given to the participants.
On day 2, participants use a hand cooling table after exercise for 10 minutes during a recovery period.
On day 3, participants use a cooling bandana during exercise for 1 hour.
|
A participant can rest their hand on the cooling table after the one hour exercise session, and this should cool their body quickly.
Cold water is pumped throughout the cooling table.
A participant will tie a bandana that has been soaked in cold water onto their forehead.
They will wear this bandana during the one hour exercise session.
|
|
Sperimentale: Cooling bandana (B), Biomarker testing (A), Hand cooling table (C)
On day 1, participants use a cooling bandana during exercise for 1 hour at a research laboratory while being monitored by trained research personnel.
On day 2 participants use the treadmill for one hour and no cooling intervention is given to the participants.
On day 3, participants use a hand cooling table after exercise for 10 minutes during a recovery period.
|
A participant can rest their hand on the cooling table after the one hour exercise session, and this should cool their body quickly.
Cold water is pumped throughout the cooling table.
A participant will tie a bandana that has been soaked in cold water onto their forehead.
They will wear this bandana during the one hour exercise session.
|
|
Sperimentale: Cooling bandana (B), Hand cooling table (C), Biomarker testing (A)
On day 1, participants use a cooling bandana during exercise for 1 hour at a research laboratory while being monitored by trained research personnel.
On day 2, participants use a hand cooling table after exercise for 10 minutes during a recovery period.
On day 3 participants use the treadmill for one hour and no cooling intervention is given to the participants.
|
A participant can rest their hand on the cooling table after the one hour exercise session, and this should cool their body quickly.
Cold water is pumped throughout the cooling table.
A participant will tie a bandana that has been soaked in cold water onto their forehead.
They will wear this bandana during the one hour exercise session.
|
|
Sperimentale: Hand cooling table (C), Biomarker testing (A), Cooling bandana (B)
On day 1, participants use a hand cooling table after exercise for 10 minutes during a recovery period at a research laboratory while being monitored by trained research personnel.
On day 2 participants use the treadmill for one hour and no cooling intervention is given to the participants.
On day 3, participants use a cooling bandana during exercise for 1 hour.
|
A participant can rest their hand on the cooling table after the one hour exercise session, and this should cool their body quickly.
Cold water is pumped throughout the cooling table.
A participant will tie a bandana that has been soaked in cold water onto their forehead.
They will wear this bandana during the one hour exercise session.
|
|
Sperimentale: Hand cooling table (C), Cooling bandana (B), Biomarker testing (A)
On day 1, participants use a hand cooling table after exercise for 10 minutes during a recovery period at a research laboratory while being monitored by trained research personnel.
On day 2, participants use a cooling bandana during exercise for 1 hour.
On day 3 participants use the treadmill for one hour and no cooling intervention is given to the participants.
|
A participant can rest their hand on the cooling table after the one hour exercise session, and this should cool their body quickly.
Cold water is pumped throughout the cooling table.
A participant will tie a bandana that has been soaked in cold water onto their forehead.
They will wear this bandana during the one hour exercise session.
|
Cosa sta misurando lo studio?
Misure di risultato primarie
Misura del risultato |
Lasso di tempo |
|---|---|
|
Core body temperature
Lasso di tempo: Baseline through end of study (approximately 2 months).
|
Baseline through end of study (approximately 2 months).
|
Collaboratori e investigatori
Sponsor
Investigatori
- Investigatore principale: Julie Parsonnet, MD, Stanford University
Pubblicazioni e link utili
Pubblicazioni generali
- Grahn DA, Cao VH, Heller HC. Heat extraction through the palm of one hand improves aerobic exercise endurance in a hot environment. J Appl Physiol (1985). 2005 Sep;99(3):972-8. doi: 10.1152/japplphysiol.00093.2005. Epub 2005 May 5.
- Mishra J, Ma Q, Prada A, Mitsnefes M, Zahedi K, Yang J, Barasch J, Devarajan P. Identification of neutrophil gelatinase-associated lipocalin as a novel early urinary biomarker for ischemic renal injury. J Am Soc Nephrol. 2003 Oct;14(10):2534-43. doi: 10.1097/01.asn.0000088027.54400.c6.
- Shen X, Kellogg R, Panyard DJ, Bararpour N, Castillo KE, Lee-McMullen B, Delfarah A, Ubellacker J, Ahadi S, Rosenberg-Hasson Y, Ganz A, Contrepois K, Michael B, Simms I, Wang C, Hornburg D, Snyder MP. Multi-omics microsampling for the profiling of lifestyle-associated changes in health. Nat Biomed Eng. 2024 Jan;8(1):11-29. doi: 10.1038/s41551-022-00999-8. Epub 2023 Jan 19.
- Hymczak H, Golab A, Mendrala K, Plicner D, Darocha T, Podsiadlo P, Hudziak D, Gocol R, Kosinski S. Core Temperature Measurement-Principles of Correct Measurement, Problems, and Complications. Int J Environ Res Public Health. 2021 Oct 10;18(20):10606. doi: 10.3390/ijerph182010606.
- Ray SC, Mason J, O'Connor PM. Ischemic Renal Injury: Can Renal Anatomy and Associated Vascular Congestion Explain Why the Medulla and Not the Cortex Is Where the Trouble Starts? Semin Nephrol. 2019 Nov;39(6):520-529. doi: 10.1016/j.semnephrol.2019.10.002.
- Evans RG, Smith DW, Lee CJ, Ngo JP, Gardiner BS. What Makes the Kidney Susceptible to Hypoxia? Anat Rec (Hoboken). 2020 Oct;303(10):2544-2552. doi: 10.1002/ar.24260. Epub 2019 Sep 30.
- Febbraio MA. Alterations in energy metabolism during exercise and heat stress. Sports Med. 2001;31(1):47-59. doi: 10.2165/00007256-200131010-00004.
- Mazloumi A, Golbabaei F, Mahmood Khani S, Kazemi Z, Hosseini M, Abbasinia M, Farhang Dehghan S. Evaluating Effects of Heat Stress on Cognitive Function among Workers in a Hot Industry. Health Promot Perspect. 2014 Dec 30;4(2):240-6. doi: 10.5681/hpp.2014.031. eCollection 2014.
- Yin B, Fang W, Liu L, Guo Y, Ma X, Di Q. Effect of extreme high temperature on cognitive function at different time scales: A national difference-in-differences analysis. Ecotoxicol Environ Saf. 2024 Apr 15;275:116238. doi: 10.1016/j.ecoenv.2024.116238. Epub 2024 Mar 21.
- Alahmad B, Kessler W, Alwadi Y, Schwartz J, Wagner GR, Michaels D. A nationwide analysis of heat and workplace injuries in the United States. Environ Health. 2025 Oct 6;24(1):65. doi: 10.1186/s12940-025-01231-1.
- McTavish RK, Richard L, McArthur E, Shariff SZ, Acedillo R, Parikh CR, Wald R, Wilk P, Garg AX. Association Between High Environmental Heat and Risk of Acute Kidney Injury Among Older Adults in a Northern Climate: A Matched Case-Control Study. Am J Kidney Dis. 2018 Feb;71(2):200-208. doi: 10.1053/j.ajkd.2017.07.011. Epub 2017 Oct 23.
- Moyce S, Armitage T, Mitchell D, Schenker M. Acute kidney injury and workload in a sample of California agricultural workers. Am J Ind Med. 2020 Mar;63(3):258-268. doi: 10.1002/ajim.23076. Epub 2019 Nov 26.
- Grahn DA, Murray JV, Heller HC. Cooling via one hand improves physical performance in heat-sensitive individuals with multiple sclerosis: a preliminary study. BMC Neurol. 2008 May 12;8:14. doi: 10.1186/1471-2377-8-14.
- Lissoway JB, Lipman GS, Grahn DA, Cao VH, Shaheen M, Phan S, Weiss EA, Heller HC. Novel application of chemical cold packs for treatment of exercise-induced hyperthermia: a randomized controlled trial. Wilderness Environ Med. 2015 Jun;26(2):173-9. doi: 10.1016/j.wem.2014.11.006. Epub 2015 Mar 12.
- Grahn DA, Cao VH, Nguyen CM, Liu MT, Heller HC. Work volume and strength training responses to resistive exercise improve with periodic heat extraction from the palm. J Strength Cond Res. 2012 Sep;26(9):2558-69. doi: 10.1519/JSC.0b013e31823f8c1a.
- Grahn D, Makam M, Craig Heller H. A method to reduce heat strain while clad in encapsulating outerwear. J Occup Environ Hyg. 2018 Aug;15(8):573-579. doi: 10.1080/15459624.2018.1470635.
- Kellogg RA, Dunn J, Snyder MP. Personal Omics for Precision Health. Circ Res. 2018 Apr 27;122(9):1169-1171. doi: 10.1161/CIRCRESAHA.117.310909.
- Kregel KC. Heat shock proteins: modifying factors in physiological stress responses and acquired thermotolerance. J Appl Physiol (1985). 2002 May;92(5):2177-86. doi: 10.1152/japplphysiol.01267.2001.
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Date di iscrizione allo studio
Primo inviato
Primo inviato che soddisfa i criteri di controllo qualità
Primo Inserito (Effettivo)
Aggiornamenti dei record di studio
Ultimo aggiornamento pubblicato (Effettivo)
Ultimo aggiornamento inviato che soddisfa i criteri QC
Ultimo verificato
Maggiori informazioni
Termini relativi a questo studio
Termini MeSH pertinenti aggiuntivi
Altri numeri di identificazione dello studio
- 86182
- 1R01DK146310-01 (Sovvenzione/contratto NIH degli Stati Uniti)
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Informazioni su farmaci e dispositivi, documenti di studio
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Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .
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