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Life sciences · Observational Study
ClinicalTrials.gov · October 16, 2026
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Observational Study.
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Registry record from ClinicalTrials.gov (NCT06499467). This is a study registration, not published results. Lead sponsor: Sanjay Gandhi Postgraduate Institute of Medical Sciences. Recruitment status: COMPLETED. Study type: OBSERVATIONAL. Enrollment: 120 participants (ACTUAL). Conditions: Septic Shock. Primary outcome measures: To evaluate the norepinephrine equivalent dose of vasopressin, phenylephrine and epinephrine used in patients of septic shock. , Within 30 minutes of initiation of second vasopressor. Brief summary: Septic shock is the most common form of circulatory shock encountered in patients admitted in intensive care unit. The initial management involves fluid resuscitation but if hypotension does not get resolved solely by it, then vasopressors become the mainstay of the management of shock to maintain adequate mean arterial pressure (MAP). Norepinephrine is recommended as the first line vasopressor in the management of septic shock as per Surviving Sepsis Campaign guidelines of 2021. It recommends addition of vasopressin to the regime if the target MAP is not achieved with just norepinephrine. However, in clinical practice various other vasopressors are being used in the management of septic shock, as per clinical condition. Different vasopressors have different modes of action and pharmacological effects on hemodynamics. Therefore, there evolved the need of development of a formula that would reflect the potency of each vasopressor in a standardized manner. Thus, the concept of Norepinephrine Equivalence (NEE) came into existence. In the recent years, different studies were conducted in various parts of the world with different primary objectives. These authors have proposed different formulas for calculation Norepinephrine Equivalence (NEE) dose of the used vasopressors as an inference from their studies. All these formulas are based on assumptions and there lacks standardization. There are presently no studies available in the existing literature, where a prospective study is done to primarily determine the Norepinephrine equivalence dose (NEE) of other vasopressors in patients of septic shock. Hence, the investigators aim to find out equivalent dose of these different drugs, which are being used commonly in the management of septic shock, in a prospective planned study.