PreDiabetesNCT03398902
Personalizing Sleep Interventions to Prevent Type 2 Diabetes in Community Dwelling Adults With Pre-Diabetes
A study testing Sleep extension and Habitual sleep in people with PreDiabetes, run by New York University at 1 site in United States.
Trial summary
This study will use continuous glucose monitoring and actigraphy to examine whether a personalized, daily sleep extension intervention improves glucose regulation for community dwelling, sleep-restricted adults with pre-diabetes. The randomized controlled trial will include 150 adults with pre-diabetes. Read more about this study
- Who is it for?
- Ages 21 to 64 years
- Conditions the study is for
- PreDiabetes
- What is being tested?
- Sleep extension and Habitual sleep
- Type of treatment
- Lifestyle or therapy programme
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 393 participants
- Where
- 1 siteUnited States
- Study dates
- 15 Mar 2021to 18 Sep 2023
- Phase
- Interventional
- Are there results?
- Yes, posted in the registrySummary in the doctors' view
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 21 to 64 years
- All sexes
- No healthy volunteers
- Adult
Who may be able to join
- Glycated hemoglobin (Hemoglobin A1C) greater than or equal to 5.7% and less than 6.5%.
- Restricted sleep defined as less than 6.5 hours average work day sleep (actigraphy confirmed).
Who cannot join
- type 2 diabetes (Hemoglobin A1C greater than or equal to 6.5%)
- pregnancy or lactation (self-report)
- hemophilia (self-report)
- moderate/severe or severe depression (PHRQ greater than or equal to 15))
- alcohol abuse/dependence (Alcohol Use Disorders Identification Test greater than or equal to 10).
- sleep promoting medications (self-report)
Show all 10Show fewer
- hypoglycemic agents (except metformin) (self-report)
- --current chemotherapy treatments (self-report)
- Shift work during the past 2 months or planned during intervention period (self-report).
- Trans-meridian travel in the past 4 weeks or planned during intervention period (self-report).
Trial locations and contacts
1 site in 1 country.
About this study
This study will use continuous glucose monitoring and actigraphy to examine whether a personalized, daily sleep extension intervention improves glucose regulation for community dwelling, sleep-restricted adults with pre-diabetes. The randomized controlled trial will include 150 adults with pre-diabetes. Sleep extension and habitual sleep groups will complete daily sleep diaries and participate in a weekly 15-minute telephone call or videoconference meeting with a member of the study team (8 sessions total). Data collection will be at 2 time points: pre-randomization and post-intervention (completion of the 8-week intervention). Changes in the percent time glucose is ≥ 140mg/dL at baseline and post-intervention will be established and compared across the sleep extension and habitual sleep arms.
Read the detailed description
Diet and exercise interventions have made great strides in preventing and delaying type 2 diabetes (T2D) onset: benefits that surpass pharmacological interventions in some people. Disappointingly, only half the amount of weight loss and wide ranges in T2D risk reduction have been reported when translating these programs into community settings using less intense, more affordable interventions. Low program participation rates, underscored by reports that only 50% of Americans with prediabetes attempt lifestyle modifications, suggest that approaches focused on calorie restriction and physical activity are only effective for select, highly motivated individuals. Expanding success for heretofore resistant groups and optimizing long term maintenance requires novel approaches beyond diet and exercise. One novel approach is improving sleep.
Associations between sleep duration, sleep patterns, and glucose regulation in healthy adults suggest that interventions targeting these dimensions of sleep will improve glucose regulation. Improved insulin sensitivity has been reported in a small community based daily sleep extension study (N= 16), as well as in a 2-day lab based sleep extension study using a personalized "catch up" sleep intervention in healthy adults (N = 19,). Limited by small sample sizes, controlled lab conditions, and the exclusion of persons at greatest risk for T2D, the role of sleep in mitigating T2D risk remains uncertain. Moreover, sleep extension interventions have applied a generic approach to extending sleep despite variability in individual sleep need. The sleep extension intervention in this study will address how to extend sleep based on individual responses to the intervention.
This study will test the effects of a personalized daily sleep extension intervention versus habitual sleep patterns on the percentage of time glucose is 140 mg/dL in sleep restricted community-dwelling adults at high risk for T2D. Wearable sensor technologies (continuous glucose monitoring and accelerometry) will be used. This study will inform person-specific sleep interventions that improve glycemic responses, thus providing treatment for the pre-diabetic state.
Hypothesis: Personalized daily sleep extension will result in a lower % time glucose is ≥ 140 compared to habitual sleep after 8 weeks of treatment initiation.
- Conditions
- PreDiabetes
- Being tested
- Sleep extension, Habitual sleep
- Keywords
- sleep, sleep extension, sleep patterns, type 2 diabetes, glucose regulation, behavioral intervention, adults
- Medical subject headings
- Prediabetic State, Diabetes Mellitus, Type 2
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Sleep extensionBehavioural
Based on CBTI principles, the instructor will prescribe bed times and wake times each week to allow for gradual increases in sleep opportunity.
Habitual sleepOther
The study team member will monitor and encourage participants to keep bedtimes and wake times that matched their baseline bedtimes and wake times.
| Study group | Role | What they receive |
|---|---|---|
| Sleep extension | Experimental | Participants in the sleep extension group will keep daily sleep diaries. Sleep diaries will be reviewed with the participant and an instructor trained in Cognitive Behavioral Therapy for Insomnia (CBTI) on a weekly basis. These weekly sessions will take place by telephone or videoconferencing. Receives: Behavioral: Sleep extension |
| Habitual sleep | Active comparator | Participants in the habitual sleep group will be instructed to keep their habitual bedtimes and wake times. Participants will keep daily sleep diaries that will we reviewed by a study team member each week. These weekly sessions will take place by telephone or videoconferencing. Receives: Other: Habitual sleep |
What is being measured
The primary outcome is the main question the study is designed to answer.
Change in the Percent Time Glucose is ≥ 140 mg/dL From Pre- to Post-intervention
The primary outcome will be the change in the percent time glucose is ≥ 140mg/dL from pre- to post-intervention estimated from ~7 days of continuous glucose monitoring.
Measured: pre-treatment at baseline and post-treatment at ~12 weeks
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted16 Jan 2018
- Study start15 Mar 2021
- Primary completion18 Sep 2023
- Study completion18 Sep 2023
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Posted resultsParticipant flow, outcome measures and adverse events reported by the sponsor.
- Publications (16)Papers the sponsor has linked to this study.
- Other trials for PreDiabetesStudies 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
- Interventional
- Phase
- Phase N/A
- Primary purpose
- Prevention
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Enrolment
- 393 participants (actual)
Sponsor and investigators
- Lead sponsor
- New York University
- Sponsor type
- University, hospital or other
- Collaborators
- National Institute of Nursing Research (NINR)
- Responsible party
- Sponsor
- Investigators
- Susan K Malone, PhD, Principal investigator, New York University
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT03398902
- Sponsor's protocol ID
- R00NR017416
- Other IDs
- R00NR017416
- Status last verified
- Nov 2023
- First submitted
- 5 Jan 2018
- Last updated
- 4 Sep 2025
- Results posted
- Yes, on ClinicalTrials.gov
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- Yes: The investigators are committed to the principles that NIH has articulated regarding the sharing of study results and resources. The Investigators will make unique research resources readily available for research purposes to individuals within the scientific community after publication. The privacy and rights of participants in the research study will be protected by redacting all identifiers and adopting strategies to minimize the risk of unauthorized disclosure of identifiers in accordance with the data security plan and the participant's Institutional Review Board (IRB)-approved informed consent. The consent language for the R00 study will be worded for possible broad data sharing. Sharing Model Organisms Not Applicable Genome Wide Association Studies Not Applicable
Publications
Cappuccio FP, D'Elia L, Strazzullo P, Miller MA. Quantity and quality of sleep and incidence of type 2 diabetes: a systematic review and meta-analysis. Diabetes Care. 2010 Feb;33(2):414-20. doi: 10.2337/dc09-1124. Epub 2009 Nov 12.
PubMed 19910503Holliday EG, Magee CA, Kritharides L, Banks E, Attia J. Short sleep duration is associated with risk of future diabetes but not cardiovascular disease: a prospective study and meta-analysis. PLoS One. 2013 Nov 25;8(11):e82305. doi: 10.1371/journal.pone.0082305. eCollection 2013.
PubMed 24282622Diabetes Prevention Program Research Group; Knowler WC, Fowler SE, Hamman RF, Christophi CA, Hoffman HJ, Brenneman AT, Brown-Friday JO, Goldberg R, Venditti E, Nathan DM. 10-year follow-up of diabetes incidence and weight loss in the Diabetes Prevention Program Outcomes Study. Lancet. 2009 Nov 14;374(9702):1677-86. doi: 10.1016/S0140-6736(09)61457-4. Epub 2009 Oct 29.
PubMed 19878986Knowler WC, Barrett-Connor E, Fowler SE, Hamman RF, Lachin JM, Walker EA, Nathan DM; Diabetes Prevention Program Research Group. Reduction in the incidence of type 2 diabetes with lifestyle intervention or metformin. N Engl J Med. 2002 Feb 7;346(6):393-403. doi: 10.1056/NEJMoa012512.
PubMed 11832527Perreault L, Temprosa M, Mather KJ, Horton E, Kitabchi A, Larkin M, Montez MG, Thayer D, Orchard TJ, Hamman RF, Goldberg RB; Diabetes Prevention Program Research Group. Regression from prediabetes to normal glucose regulation is associated with reduction in cardiovascular risk: results from the Diabetes Prevention Program outcomes study. Diabetes Care. 2014 Sep;37(9):2622-31. doi: 10.2337/dc14-0656. Epub 2014 Jun 26.
PubMed 24969574Tuomilehto J, Lindstrom J, Eriksson JG, Valle TT, Hamalainen H, Ilanne-Parikka P, Keinanen-Kiukaanniemi S, Laakso M, Louheranta A, Rastas M, Salminen V, Uusitupa M; Finnish Diabetes Prevention Study Group. Prevention of type 2 diabetes mellitus by changes in lifestyle among subjects with impaired glucose tolerance. N Engl J Med. 2001 May 3;344(18):1343-50. doi: 10.1056/NEJM200105033441801.
PubMed 11333990Pan XR, Li GW, Hu YH, Wang JX, Yang WY, An ZX, Hu ZX, Lin J, Xiao JZ, Cao HB, Liu PA, Jiang XG, Jiang YY, Wang JP, Zheng H, Zhang H, Bennett PH, Howard BV. Effects of diet and exercise in preventing NIDDM in people with impaired glucose tolerance. The Da Qing IGT and Diabetes Study. Diabetes Care. 1997 Apr;20(4):537-44. doi: 10.2337/diacare.20.4.537.
PubMed 9096977Schellenberg ES, Dryden DM, Vandermeer B, Ha C, Korownyk C. Lifestyle interventions for patients with and at risk for type 2 diabetes: a systematic review and meta-analysis. Ann Intern Med. 2013 Oct 15;159(8):543-51. doi: 10.7326/0003-4819-159-8-201310150-00007.
PubMed 24126648Yoon U, Kwok LL, Magkidis A. Efficacy of lifestyle interventions in reducing diabetes incidence in patients with impaired glucose tolerance: a systematic review of randomized controlled trials. Metabolism. 2013 Feb;62(2):303-14. doi: 10.1016/j.metabol.2012.07.009. Epub 2012 Sep 7.
PubMed 22959500Linmans JJ, Spigt MG, Deneer L, Lucas AE, de Bakker M, Gidding LG, Linssen R, Knottnerus JA. Effect of lifestyle intervention for people with diabetes or prediabetes in real-world primary care: propensity score analysis. BMC Fam Pract. 2011 Sep 13;12:95. doi: 10.1186/1471-2296-12-95.
PubMed 21914190Aziz Z, Absetz P, Oldroyd J, Pronk NP, Oldenburg B. A systematic review of real-world diabetes prevention programs: learnings from the last 15 years. Implement Sci. 2015 Dec 15;10:172. doi: 10.1186/s13012-015-0354-6.
PubMed 26670418Leproult R, Deliens G, Gilson M, Peigneux P. Beneficial impact of sleep extension on fasting insulin sensitivity in adults with habitual sleep restriction. Sleep. 2015 May 1;38(5):707-15. doi: 10.5665/sleep.4660.
PubMed 25348128Geiss LS, James C, Gregg EW, Albright A, Williamson DF, Cowie CC. Diabetes risk reduction behaviors among U.S. adults with prediabetes. Am J Prev Med. 2010 Apr;38(4):403-9. doi: 10.1016/j.amepre.2009.12.029.
PubMed 20307809Ramachandran A, Snehalatha C, Mary S, Mukesh B, Bhaskar AD, Vijay V; Indian Diabetes Prevention Programme (IDPP). The Indian Diabetes Prevention Programme shows that lifestyle modification and metformin prevent type 2 diabetes in Asian Indian subjects with impaired glucose tolerance (IDPP-1). Diabetologia. 2006 Feb;49(2):289-97. doi: 10.1007/s00125-005-0097-z. Epub 2006 Jan 4.
PubMed 16391903Dunkley AJ, Bodicoat DH, Greaves CJ, Russell C, Yates T, Davies MJ, Khunti K. Diabetes prevention in the real world: effectiveness of pragmatic lifestyle interventions for the prevention of type 2 diabetes and of the impact of adherence to guideline recommendations: a systematic review and meta-analysis. Diabetes Care. 2014 Apr;37(4):922-33. doi: 10.2337/dc13-2195.
PubMed 24652723
Study at a glance
From the registry record, last updated by the sponsor on 4 Sep 2025. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Personalizing Sleep Interventions to Prevent Type 2 Diabetes in Community Dwelling Adults With Pre-Diabetes
- ClinicalTrials.gov ID
- NCT03398902
- Acronym / sponsor ID
- R00NR017416
- Conditions
- PreDiabetes
- Keywords
- sleep, sleep extension, sleep patterns, type 2 diabetes, glucose regulation, behavioral intervention, adults
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 393 participants (actual)
- Lead sponsor
- New York UniversityUniversity, hospital or other
- Collaborators
- National Institute of Nursing Research (NINR)
- Study start
- 15 Mar 2021 (actual)
- Primary completion
- 18 Sep 2023 (actual)
- Study completion
- 18 Sep 2023 (actual)
- First posted
- 16 Jan 2018 (actual)
- Results
- Posted 4 Sep 2025
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
This study will use continuous glucose monitoring and actigraphy to examine whether a personalized, daily sleep extension intervention improves glucose regulation for community dwelling, sleep-restricted adults with pre-diabetes. The randomized controlled trial will include 150 adults with pre-diabetes. Sleep extension and habitual sleep groups will complete daily sleep diaries and participate in a weekly 15-minute telephone call or videoconference meeting with a member of the study team (8 sessions total). Data collection will be at 2 time points: pre-randomization and post-intervention (completion of the 8-week intervention). Changes in the percent time glucose is ≥ 140mg/dL at baseline and post-intervention will be established and compared across the sleep extension and habitual sleep arms.
Detailed description
Diet and exercise interventions have made great strides in preventing and delaying type 2 diabetes (T2D) onset: benefits that surpass pharmacological interventions in some people. Disappointingly, only half the amount of weight loss and wide ranges in T2D risk reduction have been reported when translating these programs into community settings using less intense, more affordable interventions. Low program participation rates, underscored by reports that only 50% of Americans with prediabetes attempt lifestyle modifications, suggest that approaches focused on calorie restriction and physical activity are only effective for select, highly motivated individuals. Expanding success for heretofore resistant groups and optimizing long term maintenance requires novel approaches beyond diet and exercise. One novel approach is improving sleep.
Associations between sleep duration, sleep patterns, and glucose regulation in healthy adults suggest that interventions targeting these dimensions of sleep will improve glucose regulation. Improved insulin sensitivity has been reported in a small community based daily sleep extension study (N= 16), as well as in a 2-day lab based sleep extension study using a personalized "catch up" sleep intervention in healthy adults (N = 19,). Limited by small sample sizes, controlled lab conditions, and the exclusion of persons at greatest risk for T2D, the role of sleep in mitigating T2D risk remains uncertain. Moreover, sleep extension interventions have applied a generic approach to extending sleep despite variability in individual sleep need. The sleep extension intervention in this study will address how to extend sleep based on individual responses to the intervention.
This study will test the effects of a personalized daily sleep extension intervention versus habitual sleep patterns on the percentage of time glucose is 140 mg/dL in sleep restricted community-dwelling adults at high risk for T2D. Wearable sensor technologies (continuous glucose monitoring and accelerometry) will be used. This study will inform person-specific sleep interventions that improve glycemic responses, thus providing treatment for the pre-diabetic state.
Hypothesis: Personalized daily sleep extension will result in a lower % time glucose is ≥ 140 compared to habitual sleep after 8 weeks of treatment initiation.
Study design
- Primary purpose
- Prevention
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| Sleep extension | Experimental | Behavioral: Sleep extensionParticipants in the sleep extension group will keep daily sleep diaries. Sleep diaries will be reviewed with the participant and an instructor trained in Cognitive Behavioral Therapy for Insomnia (CBTI) on a weekly basis. These weekly sessions will take place by telephone or videoconferencing. |
| Habitual sleep | Active comparator | Other: Habitual sleepParticipants in the habitual sleep group will be instructed to keep their habitual bedtimes and wake times. Participants will keep daily sleep diaries that will we reviewed by a study team member each week. These weekly sessions will take place by telephone or videoconferencing. |
Who may qualify
- Ages
- 21 to 64 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult
Key inclusion criteria (2 listed)
- Glycated hemoglobin (Hemoglobin A1C) greater than or equal to 5.7% and less than 6.5%.
- Restricted sleep defined as less than 6.5 hours average work day sleep (actigraphy confirmed).
Key exclusion criteria (10 listed)
- type 2 diabetes (Hemoglobin A1C greater than or equal to 6.5%)
- pregnancy or lactation (self-report)
- hemophilia (self-report)
- moderate/severe or severe depression (PHRQ greater than or equal to 15))
- alcohol abuse/dependence (Alcohol Use Disorders Identification Test greater than or equal to 10).
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Sleep extensionBased on CBTI principles, the instructor will prescribe bed times and wake times each week to allow for gradual increases in sleep opportunity. | Behavioural | Sleep extension |
| Habitual sleepThe study team member will monitor and encourage participants to keep bedtimes and wake times that matched their baseline bedtimes and wake times. | Other | Habitual sleep |
Primary outcome
Change in the Percent Time Glucose is ≥ 140 mg/dL From Pre- to Post-intervention
Time frame: pre-treatment at baseline and post-treatment at ~12 weeks
The primary outcome will be the change in the percent time glucose is ≥ 140mg/dL from pre- to post-intervention estimated from ~7 days of continuous glucose monitoring.
Results and safety
Loading the posted results from ClinicalTrials.gov…
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 4 Sep 2025.
- Posted resultsParticipant flow, baseline, all outcome measures and adverse events.
- Background: PubMed 19910503Cappuccio FP, D'Elia L, Strazzullo P, Miller MA. Quantity and quality of sleep and incidence of type 2 diabetes: a systematic review and meta-analysis. Diabetes Care. 2010 Feb;33(2):414-20. doi: 10.2337/dc09-1124. Epub 2009 Nov 12.
- Background: PubMed 24282622Holliday EG, Magee CA, Kritharides L, Banks E, Attia J. Short sleep duration is associated with risk of future diabetes but not cardiovascular disease: a prospective study and meta-analysis. PLoS One. 2013 Nov 25;8(11):e82305. doi: 10.1371/journal.pone.0082305. eCollection 2013.
- Background: PubMed 19878986Diabetes Prevention Program Research Group; Knowler WC, Fowler SE, Hamman RF, Christophi CA, Hoffman HJ, Brenneman AT, Brown-Friday JO, Goldberg R, Venditti E, Nathan DM. 10-year follow-up of diabetes incidence and weight loss in the Diabetes Prevention Program Outcomes Study. Lancet. 2009 Nov 14;374(9702):1677-86. doi: 10.1016/S0140-6736(09)61457-4. Epub 2009 Oct 29.
- Background: PubMed 11832527Knowler WC, Barrett-Connor E, Fowler SE, Hamman RF, Lachin JM, Walker EA, Nathan DM; Diabetes Prevention Program Research Group. Reduction in the incidence of type 2 diabetes with lifestyle intervention or metformin. N Engl J Med. 2002 Feb 7;346(6):393-403. doi: 10.1056/NEJMoa012512.
- Background: PubMed 24969574Perreault L, Temprosa M, Mather KJ, Horton E, Kitabchi A, Larkin M, Montez MG, Thayer D, Orchard TJ, Hamman RF, Goldberg RB; Diabetes Prevention Program Research Group. Regression from prediabetes to normal glucose regulation is associated with reduction in cardiovascular risk: results from the Diabetes Prevention Program outcomes study. Diabetes Care. 2014 Sep;37(9):2622-31. doi: 10.2337/dc14-0656. Epub 2014 Jun 26.
- Background: PubMed 11333990Tuomilehto J, Lindstrom J, Eriksson JG, Valle TT, Hamalainen H, Ilanne-Parikka P, Keinanen-Kiukaanniemi S, Laakso M, Louheranta A, Rastas M, Salminen V, Uusitupa M; Finnish Diabetes Prevention Study Group. Prevention of type 2 diabetes mellitus by changes in lifestyle among subjects with impaired glucose tolerance. N Engl J Med. 2001 May 3;344(18):1343-50. doi: 10.1056/NEJM200105033441801.
- Background: PubMed 9096977Pan XR, Li GW, Hu YH, Wang JX, Yang WY, An ZX, Hu ZX, Lin J, Xiao JZ, Cao HB, Liu PA, Jiang XG, Jiang YY, Wang JP, Zheng H, Zhang H, Bennett PH, Howard BV. Effects of diet and exercise in preventing NIDDM in people with impaired glucose tolerance. The Da Qing IGT and Diabetes Study. Diabetes Care. 1997 Apr;20(4):537-44. doi: 10.2337/diacare.20.4.537.
- Background: PubMed 24126648Schellenberg ES, Dryden DM, Vandermeer B, Ha C, Korownyk C. Lifestyle interventions for patients with and at risk for type 2 diabetes: a systematic review and meta-analysis. Ann Intern Med. 2013 Oct 15;159(8):543-51. doi: 10.7326/0003-4819-159-8-201310150-00007.
- Background: PubMed 22959500Yoon U, Kwok LL, Magkidis A. Efficacy of lifestyle interventions in reducing diabetes incidence in patients with impaired glucose tolerance: a systematic review of randomized controlled trials. Metabolism. 2013 Feb;62(2):303-14. doi: 10.1016/j.metabol.2012.07.009. Epub 2012 Sep 7.
- Background: PubMed 21914190Linmans JJ, Spigt MG, Deneer L, Lucas AE, de Bakker M, Gidding LG, Linssen R, Knottnerus JA. Effect of lifestyle intervention for people with diabetes or prediabetes in real-world primary care: propensity score analysis. BMC Fam Pract. 2011 Sep 13;12:95. doi: 10.1186/1471-2296-12-95.
- Background: PubMed 26670418Aziz Z, Absetz P, Oldroyd J, Pronk NP, Oldenburg B. A systematic review of real-world diabetes prevention programs: learnings from the last 15 years. Implement Sci. 2015 Dec 15;10:172. doi: 10.1186/s13012-015-0354-6.
- Background: PubMed 25348128Leproult R, Deliens G, Gilson M, Peigneux P. Beneficial impact of sleep extension on fasting insulin sensitivity in adults with habitual sleep restriction. Sleep. 2015 May 1;38(5):707-15. doi: 10.5665/sleep.4660.
- Individual participant dataSharing planned: Yes. The investigators are committed to the principles that NIH has articulated regarding the sharing of study results and resources. The Investigators will make unique research resources readily available for research purposes to individuals within the scientific community after publication. The privacy and rights of participants in the research study will be protected by redacting all identifiers and adopting strategies to minimize the risk of unauthorized disclosure of identifiers in accordance with the data security plan and the participant's Institutional Review Board (IRB)-approved informed consent. The consent language for the R00 study will be worded for possible broad data sharing. Sharing Model Organisms Not Applicable Genome Wide Association Studies Not Applicable
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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.
Susan K Malone, PhD principal investigator
New York University
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing Sleep extension and Habitual sleep in people with PreDiabetes, run by New York University at 1 site in United States.
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 2 inclusion and 10 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: finished, as of the sponsor's last update on 4 Sep 2025. 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 United States. 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?
Yes. Results are posted in the registry (first posted 4 Sep 2025). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.
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?
Change in the Percent Time Glucose is ≥ 140 mg/dL From Pre- to Post-intervention (time frame: pre-treatment at baseline and post-treatment at ~12 weeks). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT03398902, which also lists 16 linked publications.
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 4 Sep 2025.