Status:

RECRUITING

Salivary Cortisol and Hypercortisolism in Type 2 Diabetes

Lead Sponsor:

Shanghai 6th People's Hospital

Conditions:

Hypercortisolism

Type 2 Diabetes (T2DM)

Eligibility:

All Genders

18-80 years

Brief Summary

The goal of this observational study is to explore the prevalence of hypercortisolism in a population with difficult to control type 2 diabetes despite receiving standard-of-care therapies. Additional...

Detailed Description

Despite advanced treatments, many individuals with type 2 diabetes develop refractory disease, leading to poor glycemic control and a higher risk of complications. Hypercortisolism, which promotes hyp...

Eligibility Criteria

Inclusion

  • Aged between 18 and 80 years.
  • Meets the definition of difficult to control type 2 diabetes:
  • HbA1c level between 7.5% and 11.5%, AND Taking 3 or more anti-hyperglycemic drugs. OR Taking insulin and other anti-hyperglycemic drugs. OR Taking 2 or more anti-hyperglycemic drugs AND a.) the presence of 1 or more micro-vascular or macro-vascular complication (retinopathy, diabetic nephropathy and chronic kidney disease, diabetic neuropathy, atherosclerotic heart disease with diabetes); AND/OR b.) concomitant hypertension requiring 2 or more anti-hypertension medications.

Exclusion

  • Patients with Type 1 diabetes, new-onset diabetes (\<1 year duration), or other specific types of diabetes.
  • History of systemic glucocorticoid use within the last 3 months (inhaled or topical agents are not exclusionary).
  • Pregnant or lactating.
  • Presence of severe cardiac, hepatic, renal, or other major organ dysfunction.
  • History of acute diabetic complications, such as diabetic ketoacidosis or hyperosmolar hyperglycemic state, within the last 3 months.
  • Presence of diseases that significantly affect metabolism, such as malignancy or autoimmune disorders.
  • Inability to tolerate adhesive tape, severe skin conditions at the sensor placement site, or presence of a psychiatric illness or cognitive impairment that would interfere with study compliance.
  • A known diagnosis of Cushing's syndrome, or currently receiving treatment with any of the following: mifepristone, metyrapone, osilodrostat, ketoconazole, fluconazole, aminoglutethimide, etomidate, octreotide, larazotide, long-acting octreotide, or pasireotide.
  • Excessive alcohol consumption (defined as \>14 units per week for males or \>7 units per week for females).
  • Severe, untreated sleep apnea.
  • Night shift workers (defined as being awake between 11:00 PM and 7:00 AM).
  • Known allergy or severe reaction to dexamethasone.

Key Trial Info

Start Date :

September 1 2025

Trial Type :

OBSERVATIONAL

Allocation :

ESTIMATED

End Date :

December 31 2027

Estimated Enrollment :

500 Patients enrolled

Trial Details

Trial ID

NCT07156370

Start Date

September 1 2025

End Date

December 31 2027

Last Update

September 5 2025

Active Locations (1)

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Shanghai Sixth People's Hospital

Shanghai, China, 200233