Alpha-1 Antitrypsin to help inflammation in severe alcohol-related hepatitis
Official title: Effect of Alpha-1 Antitrypsin Supplementation on Alcohol-Associated Hepatitis - A Prospective Pilot Study
Run by Medical University Innsbruck · NCT06582329 · Data updated 2026-11-12
A small, single-center study will test if intravenous Alpha-1 Antitrypsin can reduce inflammation in adults with severe alcohol-associated hepatitis.
Quick facts
| Phase | Phase 2 |
|---|---|
| Study type | Interventional |
| Ages | 18 Years and up |
| Sex | All |
| Enrollment | 16 (estimated) |
| Sponsor | Medical University Innsbruck Academic / other |
| Locations | 1 site (Innsbruck) |
| Status | Recruiting |
| Started | June 18, 2025 |
| Main results expected | December 2026 |
| Study ends | December 2026 |
| Registry record updated | October 9, 2026 |
| Trial ID | NCT06582329 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Adults (18+) with severe alcohol-associated hepatitis (Maddrey’s DF ≥ 32), without ACLF, who use alcohol at high levels and are not in the ICU.
✕Probably not a fit
Patients with advanced organ failure or ACLF, those in the ICU, or those with contraindications to A1AT may not benefit.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This is a phase 2, open-label pilot trial conducted at a single center. Participants with severe alcohol-associated hepatitis will receive Alpha-1 Antitrypsin to see if it lowers systemic inflammation and affects clinical outcomes. Safety and adverse events will be tracked alongside changes in inflammatory cytokines. The study aims to provide preliminary data on whether A1AT is beneficial in this patient population. Results could guide larger future studies if signals of benefit emerge.
Why it matters
Potential benefit: If successful, A1AT could reduce inflammation and improve short-term outcomes in patients with severe AAH.
How similar studies have gone: Prior preclinical data and observational findings suggested anti-inflammatory effects of A1AT and potential associations with outcomes in liver disease; this trial tests those concepts prospectively.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: 1. Male or female patient ≥18 years of age at time of consent. 2. Severe AAH (Maddrey's discriminant function score ≥ 32) at screening. 3. No ACLF or ACLF Grade 1 at screening. 4. Daily average intake of \>80 g (men)/\>60 g (women) ethanol during the past 3 months (patient reported). 5. Understands and agrees to comply with the study procedures and provides written informed consent as documented by signature. 6. Outpatient or hospitalized patient not being on the Intensive Care Unit (ICU) at screening. Inclusion criterion 7 only applies to women of childbearing potential (WOCBP) 7. Negative urine pregnancy test, not breastfeeding \& agreement to use highly-effective means of contraception during the study. Allowed are sexual abstinence, vasectomized partners (˃3 months previously-vasectomy has to be confirmed by two negative semen analyses) or the consistent and correct use of an approved contraceptive method in accordance with the product label, for example: Barrier method (such as condoms, diaphragm, or cervical cap) used in conjunction with spermicide; intrauterine device; prescription hormonal contraceptive taken or administered via oral (pill), transdermal (patch), subdermal, or intramuscular (IM) route Inclusion criterion 8 only applies to male patients 8. Male patients who are sexually active with female partners of childbearing potential must agree to use a condom with spermicide and to use one other approved method of highly effective contraception from the time of investigational product administration for at least 90 days after the dose of investigational product and must refrain from sperm donation from Screening through at least 90 days following the last dose of investigational product. 9. Ability to speak and read German to a level which allows fully comprehending the meaning of everything that is said and written. Exclusion Criteria: 1. Uncontrolled Diabetes Mellitus type 1 or 2 (defined by HbA1c \> 10%). 2. Corticosteroid use contraindicated. 3. Viral hepatitis, autoimmune hepatitis, HIV infection, Wilson disease, hemochromatosis, toxic liver injury, Primary Biliary Cholangitis (PBC), Primary Sclerosing Cholangitis (PSC). 4. Participation in another interventional clinical study within 6 months prior to screening and/or during trial participation. 5. Presence of any active malignancy (other than non-melanoma skin cancer) which required treatment within the past 12 months. 6. Chronic kidney disease receiving dialysis. 7. Do Not Attempt Resuscitation (DNAR) order in place. 8. IgA deficiency (IgA level \<7mg/dL) or known intolerance to A1AT. 9. History of liver transplantation or currently listed for liver transplant.
Where it's running
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Medical University Innsbruck
Innsbruck, Austria Recruiting
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.