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NCT Number: NCT07582926

Cortisol Levels and Mortality in Septic Shock ICU Patients

This prospective observational study aims to evaluate the prognostic value of cortisol levels and their dynamic changes in critically ill patients with sepsis and septic shock admitted to the intensive care unit. Cortisol plays a crucial role in maintaining hemodynamic stability and modulating the inflammatory response during critical illness, and relative adrenal insufficiency has been associated with worse clinical outcomes.

Adult patients admitted to the intensive care unit with sepsis or septic shock will be enrolled and followed prospectively. Serum cortisol levels will be measured, and their association with clinical outcomes, including intensive care unit mortality, 28-day mortality, and 90-day mortality, will be analyzed. In addition, the relationship between cortisol levels and disease severity scores such as SOFA and APACHE, as well as laboratory parameters including inflammatory biomarkers, will be evaluated.

The findings of this study are expected to contribute to the early identification of high-risk patients and improve prognostic assessment in critically ill patients with sepsis and septic shock.

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Key information

Age range

18 year and older

Sex eligibility

All sexes

Study type

Observational

Primary location

Ankara Etlik City Hospital

Ankara, 06010, Turkey (Türkiye)

Location status: Recruiting

Location contact

Emin Gemcioglu, MD, Associate Professor

SUB_INVESTIGATOR

Hatice Z. Atlı, MD

CONTACT

[email protected]

+90(530)1144086

Hatice Z. Atlı, MD

SUB_INVESTIGATOR

Ilkem S. Ersayin, MD

PRINCIPAL_INVESTIGATOR

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Age 18 years or older
  • Admission to the intensive care unit for more than 24 hours
  • Presence of a clinically or microbiologically confirmed source of infection
  • Diagnosis of sepsis or septic shock during ICU stay

Exclusion criteria

  • Pregnancy
  • Known disorders of the hypothalamic-pituitary-adrenal (HPA) axis
  • Known disorders affecting cortisol secretion 4.Long-term systemic glucocorticoid use (≥3 months)

Treatment and study plan

Primary outcomes

  1. 1.ICU mortality

    Time frame: During the first 28 days of ICU stay; if the patient is discharged from the ICU to the ward or dies earlier, the follow-up period will end at that time.

    • ICU Mortality Measure: All-cause mortality during ICU stay Description: The proportion of patients who die during their stay in the intensive care unit
  2. 28 day mortality

    Time frame: Up to 28 days after ICU admission

    The proportion of patients who die within 28 days following ICU admission

  3. 90 day mortality

    Time frame: Up to 90 days after ICU admission

    The proportion of patients who die within 90 days following ICU admission

Secondary outcomes

  1. Length of ICU stay

    Time frame: The duration of ICU stay will be evaluated. Although this period may vary for each patient, ICU stay is expected to end within the first 28 days for most patients. Longer ICU stays will continue to be followed and recorded in days.

    Duration of hospitalization in the intensive care unit

  2. Mechanical Ventilation Requirement

    Time frame: The duration of ICU stay will be evaluated. Although this period may vary for each patient, ICU stay is expected to end within the first 28 days for most patients. Longer ICU stays will continue to be followed and recorded in days.

    Whether the patient requires invasive or non-invasive mechanical ventilation

  3. Vasopressor Requirement

    Time frame: The duration of ICU stay will be evaluated. Although this period may vary for each patient, ICU stay is expected to end within the first 28 days for most patients. Longer ICU stays will continue to be followed and recorded in days.

    Use of vasopressor agents to maintain hemodynamic stability

  4. Sequential Organ Failure Assessment (SOFA) score

    Time frame: The occurrence of septic shock during ICU stay will be evaluated. Although the timing may vary for each patient, septic shock is expected to occur within the first 28 days for most patients. If the duration extends beyond 28 days, follow-up will continue

    Assessment of organ dysfunction severity using SOFA score

  5. APACHE II score

    Time frame: The occurrence of septic shock during ICU stay will be evaluated. Although the timing may vary for each patient, septic shock is expected to occur within the first 28 days for most patients. If the duration extends beyond 28 days, follow-up will continue

    Assessment of disease severity at ICU admission

  6. Association between cortisol levels and laboratory parameters

    Time frame: The occurrence of septic shock during ICU stay will be evaluated. Although the timing may vary for each patient, septic shock is expected to occur within the first 28 days for most patients. If the duration extends beyond 28 days, follow-up will continue

    Relationship between cortisol levels and laboratory markers including CRP, procalcitonin, lactate, ferritin, WBC, and albumin

Study contacts

Contact information is provided by the study sponsor or research team.

Ilkem S. Ersayin, MD

CONTACT

[email protected]

+90(543)6459248

Sponsors and collaborators

Lead sponsor

Ankara Etlik City Hospital

Other Gov

Registry information

Official study title

Prognostic Value of Cortisol Levels in Critically Ill Patients With Sepsis and Septic Shock: A Prospective Observational Cohort Study

Important dates

Study start
2026
Primary completion
2026
Study completion
2026
First posted
May 13, 2026
Registry last updated
May 18, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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