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Individualized Multiplex Pathophysiological Treatment of Severe Acute Infections: N-Acetylcysteine

A Randomized, Placebo-controlled, Blinded, Parallel-group Clinical Trial to Assess the Efficacy of N-acetylcysteine in Adults With Acute Infections or Sepsis and Evidence of Liver Dysfunction: the IMPACT-NAC Trial

Status
Not yet recruiting
Phases
Phase 4
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT07273071
Acronym
IMPACT-NAC
Enrollment
360
Registered
2025-12-09
Start date
2026-07-01
Completion date
2028-05-01
Last updated
2026-03-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Sepsis, Acute Infection, Severe Infection

Keywords

Sepsis, Acute Infection, Severe Infection, Acetylcysteine, Liver dysfunction

Brief summary

The primary objective of the IMPACT-NAC trial is to assess the effects of N-acetylcysteine on survival and hospital length of stay in adults admitted to the emergency department with acute infection or sepsis and evidence of liver dysfunction. The main question it aims to answer is: does N-acetylcysteine increase the number of days alive and out of the hospital within the first 14 days after enrolment in the trial? To answer this question, we will conduct a randomized, double-blinded controlled trial of 360 participants. Participants will be randomized to either N-acetylcysteine or placebo (normal saline without active drugs). This will be administered as an infusion during four hours within the first day of hospital admission.

Interventions

Intravenous infusion of N-acetylcysteine (200 mg/kg mixed with normal saline to a final volume of 500 ml) administered over four hours.

Sponsors

Theis S. Itenov
Lead SponsorOTHER
University Hospital Bispebjerg and Frederiksberg
CollaboratorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Masking description

Data Safety and Monitoring Board.

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

1. Age ≥18 years 2. Documented clinical suspicion of infection 3. Model for end-stage liver disease (MELD) score ≥9

Exclusion criteria

1. Admitted to hospital \>24 hours before randomization 2. Any previous severe anaphylaxis 3. Other known allergy to N-acetylcysteine 4. Ongoing treatment with N-acetylcysteine at randomization 5. Documented clinical suspicion of bile duct obstruction 6. Refractory circulatory shock 7. Informed consent not obtainable 8. Inability to read and understand Danish to a degree that allows valid informed consent and completion of trial assessments 9. Involuntary admission under the psychiatric law 10. Expected initiation of palliative care within 48 hours of randomization 11. Ongoing treatment with nitroglycerin 12. Any other condition deemed by the investigator to compromise patient safety or trial integrity (e.g., severe coagulopathy, uncontrolled bleeding, diabetic ketoacidosis)

Design outcomes

Primary

MeasureTime frame
Days alive and out of hospital at 14 days post-randomization (DAOH-14)Assessed 14 days post-randomization

Secondary

MeasureTime frameDescription
Number of participants with one or more serious adverse event within 14 days of randomizationAssessed 14 days post-randomization
All-cause mortality at day 180Assessed at 180 days post-randomization
Health-related quality of life (HRQoL) at day 180 using EQ-5D-5LAssessed 180 days post-randomization
Admission to an intensive care unit (ICU) within 14 days of admissionAssessed at 14 days post-randomization
Duration of antibiotic therapy from randomization to day 14Assessed at 14 days post-randomization
Time to clinical stabilityAssessed at 14 days post-randomizationNumber of days from randomization to first occurrence of clinical early warning score (C-EWS) ≤1. For participants with registered chronic elevated C-EWS parameters, the adjusted score will be used.

Countries

Denmark

Contacts

CONTACTFrans Wiberg, MD
frans.wiberg@regionh.dk+4528741294
CONTACTTheis S Itenov, MD, PhD
theis.skovsgaard.itenov@regionh.dk

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Mar 28, 2026