Actively Recruiting

Phase 2
Age: 18Years +
All Genders
NCT05690048

Fecal Microbiota Transfer in Liver Cancer to Overcome Resistance to Atezolizumab/Bevacizumab (FLORA)

Led by Michael Dill · Updated on 2025-08-06

48

Participants Needed

7

Research Sites

137 weeks

Total Duration

On this page

Sponsors

M

Michael Dill

Lead Sponsor

N

National Center for Tumor Diseases, Heidelberg

Collaborating Sponsor

AI-Summary

What this Trial Is About

The interventional, randomized, placebo-controlled, double-blind phase II-trial FLORA will assess safety and immunogenicity of fecal microbiota transfer in combination with standard of care immunotherapy in advanced hepatocellular carcinoma (HCC) in a parallel group design. Subjects will be randomized 2:1 into either the FMT or placebo group.

CONDITIONS

Official Title

Fecal Microbiota Transfer in Liver Cancer to Overcome Resistance to Atezolizumab/Bevacizumab (FLORA)

Who Can Participate

Age: 18Years +
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Age 18 years or older
  • Confirmed radiologic or histological diagnosis of hepatocellular carcinoma
  • Disease not suitable for surgery, liver transplant, or local therapies
  • Eligible for atezolizumab and bevacizumab treatment as standard care
  • Measurable tumor according to RECIST 1.1 criteria
  • Preserved liver function with Child-Pugh score A or B (maximum 7 points)
  • ECOG performance status 0 or 1
Not Eligible

You will not qualify if you...

  • Use of immunosuppressive medication within 6 months before starting atezolizumab and bevacizumab
  • Active or past autoimmune or inflammatory diseases
  • Previous treatment with immune therapies including anti-CTLA-4, anti-PD-1, anti-PD-L1, or anti-VEGF antibodies
  • Known HIV infection
  • Co-infection with hepatitis B and C viruses; patients with resolved hepatitis C (negative RNA) are allowed
  • Presence of varices at risk of bleeding within 12 months prior to study
  • Severe nausea, vomiting, chronic gastrointestinal disease, swallowing difficulties, or major bowel surgery affecting drug absorption
  • Uncontrolled high blood pressure despite treatment (systolic > 150 mm Hg or diastolic > 90 mm Hg)
  • History of kidney diseases such as nephrotic or nephritic syndrome
  • Use of systemic antibiotics within 2 weeks before starting atezolizumab and bevacizumab
  • Use of probiotic products within 1 week before starting atezolizumab and bevacizumab
  • Known fibrolamellar, sarcomatoid, infiltrative, or mixed cholangiocarcinoma/hepatocellular carcinoma
  • History of another primary cancer
  • Receipt of live vaccines within 30 days before study intervention
  • Pregnancy or breastfeeding
  • Known allergy to study drugs or their components
  • Participation in other interventional or competing clinical trials
  • Legal or official institutionalization
  • Legal incapacity

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 7 locations

1

University Hospital Heidelberg

Heidelberg, Baden-Wurttemberg, Germany, 69120

Actively Recruiting

2

University Hospital Augsburg

Augsburg, Germany, 86156

Not Yet Recruiting

3

University Hospital Essen

Essen, Germany, 45147

Not Yet Recruiting

4

University Hospital Mannheim

Mannheim, Germany, 68167

Not Yet Recruiting

5

University Hospital Regensburg

Regensburg, Germany, 93053

Not Yet Recruiting

6

University Hospital Tübingen

Tübingen, Germany, 72076

Not Yet Recruiting

7

University Hospital Ulm

Ulm, Germany, 89081

Not Yet Recruiting

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Research Team

M

Michael T Dill, PhD

CONTACT

C

Conrad Rauber, MD/PhD

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

QUADRUPLE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

TREATMENT

Number of Arms

2

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