Clinical trial • Phase IV • Infectious Disease

REZAFUNGIN ACETATE for Intra-abdominal candidiasis

Phase IV trial of REZAFUNGIN ACETATE for Intra-abdominal candidiasis. open-label. 20 participants.

Overview

Trial Therapeutic Area
Infectious Disease
Trial Disease
Intra-abdominal candidiasis
Trial Stage
Phase IV
Drug Modality
Peptide/protein/enzyme

Key dates

Initial CTIS Submission Date
16-05-2025
First CTIS Authorization Date
13-08-2025

Trial design

open-label Phase IV trial across 3 sites in Spain.

Open Label
Yes
Target Sample Size
20
Trial Duration For Participant
64

Eligibility

Recruits 20 Vulnerable population not selected. Participants must be adults (>18 years) and provide written informed consent after receiving information about the study; no provisions for assent (paediatric) are included..

Pregnancy Exclusion
In women: negative urine pregnancy test performed within 7 days prior to the start of study treatment in women of childbearing age and if < 2 years have passed since menopause.
Vulnerable Population
Vulnerable population not selected. Participants must be adults (>18 years) and provide written informed consent after receiving information about the study; no provisions for assent (paediatric) are included.

Inclusion criteria

  • {"criterion_text":"- Patients with confirmed or unconfirmed suspicion of candidal peritonitis or intra-abdominal Candida spp. infection who, after receiving information about the study design, the purpose of the study, the potential risks involved and that they may refuse to participate at any time, give written consent to participate in the study."}
  • {"criterion_text":"- Be over 18 years of age."}
  • {"criterion_text":"- Understand the purpose of the study and be available to perform the visits and procedures established in the protocol."}
  • {"criterion_text":"- In women: negative urine pregnancy test performed within 7 days prior to the start of study treatment in women of childbearing age and if < 2 years have passed since menopause."}
  • {"criterion_text":"- Patients with signs of peritonitis or intra-abdominal infection who show refractoriness after at least 48 hours of empirical or specific antibiotherapy and in whom candidiasis infection is suspected."}
  • {"criterion_text":"- Patients with an abdominal or peritoneal drain with a permeable debit that allows peritoneal samples to be obtained through it."}

Exclusion criteria

  • {"criterion_text":"- Patients in whom there is a contraindication for use in accordance with the terms of the technical data sheet or known hypersensitivity to rezafungin or whose participation is not advisable in the opinion of the investigator."}
  • {"criterion_text":"- Patients who do not present suspicion of intra-abdominal candidiasis or who are receiving antifungal treatment for another reason."}
  • {"criterion_text":"- Patients receiving another antifungal drug during rezafungin administration."}

Endpoints

Primary endpoints

  • {"endpoint_text":"- Peritoneal diffusion rate of Rezafungin. Ratio of Cmax, Cmin and Area Under the Rezafungin Curve in peritoneal fluid to Cmax, Cmin and Area Under the Rezafungin Curve in blood.","definition_or_measurement_approach":"Measured as the ratio of Cmax, Cmin and AUC of rezafungin in peritoneal fluid relative to blood (PK sampling and calculation of Cmax, Cmin, AUC)."}
  • {"endpoint_text":"- Analysis of peritoneal fluid death curves in the samples per patient obtained according to the previous point.","definition_or_measurement_approach":"Analysis of kill (death) curves of peritoneal fluid samples against reference Candida strains per patient; microbiological kill-curve analysis."}

Secondary endpoints

  • {"endpoint_text":"- Duration of treatment.","definition_or_measurement_approach":"Recorded duration of rezafungin administration (treatment days)."}
  • {"endpoint_text":"- Overall mortality","definition_or_measurement_approach":"All-cause mortality assessed during study period."}
  • {"endpoint_text":"- Attributable mortality.","definition_or_measurement_approach":"Mortality attributable to infection assessed by investigator judgment/definitions in protocol."}
  • {"endpoint_text":"- Clinical and microbiological cure.","definition_or_measurement_approach":"Assessment of clinical and microbiological response; secondary analysis performed at end of treatment with rezafungin and at end of follow-up."}

Recruitment

Planned Sample Size
20
Recruitment Window Months
4
Consent Approach
Written informed consent required from participants after receiving information about study design, purpose and risks. Adults only (>18 years). Subject information and informed consent form documents listed for publication; ICF/SIS available (documents include Spanish and English protocol synopses).

Geography

Total Number Of Sites
3
Total Number Of Participants
20

Spain

Earliest CTIS Part Ii Submission Date
24-07-2025
Latest Decision Or Authorization Date
13-08-2025
Processing Time Days
20
Number Of Sites
3
Number Of Participants
20

Sites

Site Name
Hospital Universitario Ramon Y Cajal
Department Name
Infectious Diseases Department
Principal Investigator Name
Jesús Fortún Abete
Principal Investigator Email
jesus.fortun@salud.madrid.org
Contact Person Name
Jesús Fortún Abete
Contact Person Email
jesus.fortun@salud.madrid.org
Site Name
Hospital Universitario La Paz
Department Name
Anaesthesia Department
Principal Investigator Name
Nuria Pérez Chuliá
Principal Investigator Email
nurial.perez@salud.madrid.org
Contact Person Name
Nuria Pérez Chuliá
Contact Person Email
nurial.perez@salud.madrid.org
Site Name
Hospital Clinico Universitario De Valencia
Department Name
Anaesthesia Department
Principal Investigator Name
Gerardo Aguilar Aguilar
Principal Investigator Email
gerardo.aguilar@uv.es
Contact Person Name
Gerardo Aguilar Aguilar
Contact Person Email
gerardo.aguilar@uv.es

Sponsor

Primary sponsor

Full Name
Fundacion Para La Investigacion Biomedica Del Hospital Universitario Ramon Y Cajal
Organisation Type
Laboratory/Research/Testing facility
Country Of Registered Address
Spain

Investigational products

Investigational Product Name
REZZAYO 200 mg powder for concentrate for solution for infusion
Active Substance
REZAFUNGIN ACETATE
Modality
Peptide/protein/enzyme
Routes Of Administration
Intravenous infusion
Route
Intravenous infusion
Authorisation Status
Authorised (marketing authorisation EU/1/23/1775/001)
Maximum Dose
1600 mg

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