Status:

COMPLETED

Suvorexant on Sleep Disturbance in Patients With Chronic Insomnia and Suboptimally Controlled Type 2 Diabetes

Lead Sponsor:

Massachusetts General Hospital

Conditions:

Type 2 Diabetes Mellitus

Insomnia

Eligibility:

All Genders

25-75 years

Phase:

PHASE4

Brief Summary

The investigators aim to determine the effect of suvorexant on subjective total sleep time (TST) in suboptimally controlled Type 2 diabetics with chronic insomnia in a randomized placebo-controlled tr...

Detailed Description

Type 2 diabetes results from a progressive insulin secretory defect on the background of insulin resistance and is a growing pandemic and a leading cause of morbidity and mortality. Sleep disturbance ...

Eligibility Criteria

Inclusion

  • Men or women of any ethnic origin
  • Written informed consent is obtained
  • Speaks and writes in English
  • A willingness and ability to comply with study procedures.
  • Age 25-75 years
  • Diagnosis of Type 2 diabetes with suboptimally controlled blood sugar determined by HbA1c \> 6.5% (and \< 10.0%) at both the screening and randomization visits
  • No changes in diabetes medication in the previous month
  • DSM-5 criteria for Insomnia Disorder
  • Score on the Insomnia Severity Index (ISI) measure \>10, indicating at least a moderate level of insomnia symptoms2
  • Report a total sleep time ≤ 6.5 hours and combined sleep onset latency (SOL) and wake after sleep onset (WASO) \> 45 minutes on 7 or more of the 14 nightly sleep logs during both the initial 2-week screening period and the two-week screening run-in period. Combined SOL and WASO does not decrease by more than 50% on the 2-week sleep diary obtained between the screening visit and the randomization visit.

Exclusion

  • Sleep and medical factors:
  • Diagnosis of severe obstructive sleep apnea not using CPAP (can be included if CPAP adherent), or other untreated primary sleep disorders (e.g. narcolepsy, moderate to severe restless legs syndrome)
  • Shift workers
  • Use of hypnotic medications more than twice per week in the past month
  • Unwillingness to not use sedative-hypnotics (other than suvorexant) during the study period
  • Unwillingness to maintain stable diabetes medication during the study unless medically indicated
  • Positive urine toxic screen for any drugs of abuse other than marijuana at Screening Visit
  • HbA1c ≥ 10.0% at either the screening or randomization visit
  • Psychiatric factors:
  • Current major depressive episode, by report and as indicated by the Quick Inventory of Depressive Symptoms-Self Report (QIDS-SR).
  • Subjects with active or unstable major psychiatric disorder, who, in the investigator's judgement, require further treatment.
  • Current alcohol/substance use disorder
  • Medical factors:
  • Renal or hepatic disease judged to interfere with drug metabolism and excretion
  • Pregnant or breastfeeding
  • Malignancy within past 2 years
  • Surgery within past 3 months
  • Neurological disorder or cardiovascular disease raising safety concerns about use of suvorexant and/or judged to interfere with ability to assess efficacy of the treatment
  • Medical instability considered to interfere with study procedures
  • Concomitant medications with drug interaction or co-administration concerns
  • Contraindications or allergic responses to suvorexant
  • History of being treated with suvorexant
  • Lifestyle and other factors:
  • Travel across two time-zones during the week prior to enrollment
  • Greater than 6 cups of coffee per day

Key Trial Info

Start Date :

March 15 2019

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

November 3 2021

Estimated Enrollment :

108 Patients enrolled

Trial Details

Trial ID

NCT03818581

Start Date

March 15 2019

End Date

November 3 2021

Last Update

August 20 2024

Active Locations (1)

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Massachusetts General Hospital

Boston, Massachusetts, United States, 02114