- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT05138198
Lifestyle Intervention to Reduce Body Weight and Systemic Inflammation Among World Trade Center Responders
Lifestyle Intervention to Reduce Body Weight and Systemic Inflammation Among World Trade Center Responders With PTSD: Pilot Randomized Controlled Trial
Studieoversigt
Status
Intervention / Behandling
Detaljeret beskrivelse
The proposed study will assess the feasibility and acceptability of a lifestyle intervention, including a Mediterranean Diet (MedDiet) with a physical activity (PA) component. The study is a pilot randomized control trial (RCT) among WTC responders with PTSD who have overweight and obesity. The 10-week intervention has two-arms, the intervention (MedDiet) with tips to increase PA (n=30) and control (care as usual n=30).
The high dose and high fidelity intervention combines several previously tested intervention modalities, including individual nutrition counseling, group cooking sessions, and communication and education through smartphones, including motivational texts & reminders, videos, teach-back surveys, and goal setting. While the main goal of the intervention is to assess the feasibility and acceptability of the intervention, the study will also assess changes in the overall dietary intake, the MedDiet score, and PA of the intervention group and between the two groups from baseline, post-intervention, and 3-month follow-up. The hypothesis is that the intervention group will experience a significant increase in the MedDiet score and PA activity from baseline to post-intervention; compared to the control group, the intervention group will achieve a significantly higher MedDiet score and will engage in more PA after the intervention.
Changes in body weight, inflammatory biomarkers, and prevalence of metabolic syndrome (MetS) in the intervention group and between the two groups from baseline to post-intervention will be explored; whether changes in inflammatory biomarkers, are moderated by changes in MetS, body weight, or MedDiet score will also be explored. The hypothesis is that the intervention group will experience a significant decrease in inflammatory biomarkers and prevalence in MetS from baseline to post-intervention; compared to the control group, the intervention group will achieve a significantly higher decrease in these measures; the decline in inflammatory biomarkers will be moderated by a reduction in the prevalence of MetS and/or increase in MedDiet score.
Undersøgelsestype
Tilmelding (Faktiske)
Fase
- Ikke anvendelig
Kontakter og lokationer
Studiesteder
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New York
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Commack, New York, Forenede Stater, 11725
- World Trade Center Health Program Clinic
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Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Beskrivelse
Inclusion Criteria:
- BMI range: 27-40
- PCL score: ≥40
- MOCA score: ≥22
- have a smartphone
- able to follow a diet intervention
- no physical disabilities which prevent exercising
Exclusion Criteria:
- active cancer or history of GI-related cancer in the last 3 years
- autoimmune disease
- history of surgical weight loss
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Andet
- Tildeling: Randomiseret
- Interventionel model: Parallel tildeling
- Maskning: Enkelt
Våben og indgreb
Deltagergruppe / Arm |
Intervention / Behandling |
---|---|
Eksperimentel: Mediterranean Diet & Physical Activity
Nutrition with a Physical Activity component.
10-week intervention implementing the Mediterranean Diet.
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At the beginning of each week (1-10), members were sent a text message introducing the week and providing the link to the week's website. This website includes downloadable material for this group with recipes and other important nutrition information, as well as the weekly topic information and informative video. After receiving the link to the website, members received a Qualtrics survey with a teach-back question related to the video and a goal-setting question related to the topics of the week. At the end of each week, members received another Qualtrics survey with a question regarding the goal of the past week.
Andre navne:
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Aktiv komparator: Usual Care
Usual care involves one-on-one monthly nutrition counseling
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As part of usual care, members attended one-on-one monthly counseling sessions with the assigned dietitian and reviewed their current eating habits and physical activity, as well as other environmental factors that may be affecting their weight such as work, home environment, sleeping issues, and medications.
After reviewing current practices, the RD provided medical nutrition therapy (MNT), a specific application of the Nutrition Care Process in clinical settings that focuses on the management of diseases (e.g.
diabetes, heart disease, etc.).
Specific dietary recommendations are based on the Bull's Eye Food Guide, used by Stony Brook University Hospital for outpatient nutrition counseling.
Individuals in the standard care received more individualized calorie recommendations (usual care) than the Mediterranean diet group.
Andre navne:
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Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
---|---|---|
Mediterranean diet score
Tidsramme: 9 months
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Participant's Mediterranean diet score is measured with a 14-item Mediterranean diet scale; possible score range 0-14. The Mediterranean Diet questionnaire will be given at each participant visit with the dietitians and at baseline, post, and at 3-month follow up |
9 months
|
Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
---|---|---|
Physical activity
Tidsramme: 9 months
|
Daily step count is measured with Fitbit that was worn over seven days.
Physical activity are measured at baseline, post-intervention, and 3-month follow up.
|
9 months
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Body mass index (BMI)
Tidsramme: 9 months
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Body mass index (weight/height square) will be objectively measured at baseline, post intervention and at 3-month follow up. Body mass index: weight in kilograms/square of height in meters |
9 months
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Waist Circumference
Tidsramme: 9 months
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Waist circumference is measured at baseline, post-intervention, and 3-month follow up. Waist circumference cut off (Women>88cm; Men>102 cm) |
9 months
|
Total cholesterol
Tidsramme: 9 months
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Total cholesterol is measured at baseline, post-intervention, and at 3-months follow-up; reference range: 125 to 200mg/dL
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9 months
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oxidized LDL
Tidsramme: 9 months
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Serum oxLDL is measured at baseline, post-intervention, and at 3-months follow-up; reference range: 10-170 ng/mL
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9 months
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HDL cholesterol
Tidsramme: 9 months
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Serum HDL cholesterol was measured at baseline, post-intervention, and at 3-months follow-up; At risk Men: Less than 40 mg/dL (1.0 mmol/L) Women: Less than 50 mg/dL (1.0 mmol/L) |
9 months
|
Omega 3 fatty acid
Tidsramme: 9 months
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Serum or plasma Free (Nonester) Fatty Acids Measured at baseline, post-intervention, and at 3-months follow-up. reference range: Optimal >3.2 % Moderate 2.2-3.2 % High <2.2 % |
9 months
|
Omega 6 to omega 3 ratio
Tidsramme: 9 months
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Omega 6 is measured at baseline, post-intervention, and at 3-months follow-up; Omega 6/omega 3 ratio: Reference range: 5.7-21.3 (the lower the better) |
9 months
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HA1c
Tidsramme: 9 months
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Serum Hemoglobin A1C (hA1C) is measured at baseline, post-intervention, and 3-month follow up. hA1C: Normal: <5.7% |
9 months
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Cytokines
Tidsramme: 6 months
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The following cytokines will be measured: FNɣ, IL-1β, IL-4, IL-5, IL-6, IL-8, IL-10, IL-12p70, IL-22 and TNFα, high-sensitivity C-reactive protein (hs-CRP) at >3mg/L. The cytokines will be measured at two time points at baseline and post-intervention. |
6 months
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Psychosocial questionnaire
Tidsramme: 9 months
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A total of 40 questions will be used to assess sedentary behaviors, home food availability, social support, self-efficacy, perceived barriers to adhering to lifestyle behaviors reflecting the behavioral strategies that will be addressed in the proposed intervention.
The survey will be completed online at baseline, post-intervention and at 3-month follow up.
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9 months
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PCL score
Tidsramme: 9 months
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Post Traumatic Stress Disorder symptoms will be tested with a PCL score.
PCL is a 20-item self-report measure of current (past month) PTSD symptoms based on the DSM-V criteria.
PCL will be measured at baseline, post intervention and at 3-month follow up
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9 months
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Samarbejdspartnere og efterforskere
Sponsor
Datoer for undersøgelser
Studer store datoer
Studiestart (Faktiske)
Primær færdiggørelse (Forventet)
Studieafslutning (Forventet)
Datoer for studieregistrering
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først opslået (Faktiske)
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Nøgleord
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
- U01OH012057 (U.S. NIH-bevilling/kontrakt)
Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter
Studerer et amerikansk FDA-reguleret lægemiddelprodukt
Studerer et amerikansk FDA-reguleret enhedsprodukt
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