Mannitol versus normal saline in brain death donors and recipients of kidney allograft on delayed graft function (MAVERICK)

2024-518817-24-01 Therapeutic use (Phase IV) Ongoing, recruiting

Start 13 Nov 2025 · Status Ongoing, recruiting · 1 EU/EEA countries · 1 sites

Overview

Sponsor-declared trial summary

Phase Therapeutic use (Phase IV)
Status Ongoing, recruiting
Participants planned 466
Countries 1
Sites 1

End-stage renal disease. Kidney transplantation.

To define if mannitol can be used to improve the results of kidney transplantation by reducing delayed graft function.

Key facts

Sponsor
HUS-Yhtymae
Participant type
Patients
Age range
18-64 years, 65+ years
Gender
Male and Female
Therapeutic area
Analytical, Diagnostic and Therapeutic Techniques and Equipment [E] - Therapeutics [E02], Analytical,Diagnostic,Therapeutic Techniques and Equipment [E]-Surgical Procedures, Operative [E04]
Trial duration
13 Nov 2025 → ongoing
Decision date (initial)
2025-04-07
Transition trial
No
Low-intervention
Yes
Rare-disease indication
No
Vulnerable population
No

Trial design

CTIS Part I — objectives, methods, condition coding

Main objective

Scope: Therapy, Efficacy

To define if mannitol can be used to improve the results of kidney transplantation by reducing delayed graft function.

Secondary objectives 2

  1. To define if the use of mannitol decreases early kidney graft rejections-
  2. To define if the use of mannitol improves kidney graft survival.

Conditions and MedDRA coding

End-stage renal disease. Kidney transplantation.

Regulatory references

Plan to share IPD
No
EU CT numberTitleSponsor
2024-518817-24-00 Mannitol versus normal saline in brain death donors and recipients of kidney allograft on delayed graft function (MAVERICK) – A double-blinded, placebo-controlled randomized clinical trial HUS-Yhtymae

Eligibility criteria

Principal inclusion / exclusion criteria as submitted by sponsor

Inclusion criteria 1

  1. Patients receiving a kidney allograft from adult brain-dead donor.

Exclusion criteria 4

  1. Recipient or donor age under 18 years.
  2. No informed consent from kidney recipient.
  3. Mannitol allergy
  4. Pre-emptive kidney transplantation - patient has not yet been to dialysis

Endpoints

Primary and secondary outcome measures (English text)

Primary endpoints 1

  1. Days to kidney function (see trial protocol)

Secondary endpoints 3

  1. Delayed kidney graft function (DGF)
  2. Biopsy-proven acute kidney graft rejection within 3 months
  3. Estimated glomerular filtration rate (eGFR) at 7 days, 1 month and 3 months

Investigational products

Investigational medicinal products (IMPs), comparators, placebo, auxiliary

Test 1

Mannitol

SUB03087MIG · Substance

Active substance
Mannitol
Pharmaceutical form
SOLUTION FOR INFUSION
Route of administration
INTRAVENOUS
Max daily dose
200 ml millilitre(s)
Max total dose
200 ml millilitre(s)
Max treatment duration
1 Day(s)
Authorisation status
Authorised
ATC code
- — -
Marketing authorisation
-
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
No

Comparator 1

-

V07AB · Product

Pharmaceutical form
PHF00017MIG
Route of administration
INTRAVENOUS
Max daily dose
200 ml millilitre(s)
Max total dose
200 ml millilitre(s)
Max treatment duration
1 Day(s)
Authorisation status
Authorised
ATC code
V07AB — SOLVENTS AND DILUTING AGENTS, INCL. IRRIGATING SOLUTIONS
Marketing authorisation
-
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
No

Sponsors and contacts

Sponsor organisations, regulatory contacts, third parties

HUS-Yhtymae

Sponsor organisation
HUS-Yhtymae
Address
Stenbackinkatu 9
City
Helsinki
Postcode
00290
Country
Finland

Scientific contact point

Organisation
HUS-Yhtymae
Contact name
Ville Sallinen

Public contact point

Organisation
HUS-Yhtymae
Contact name
Ville Sallinen

Locations

1 EU/EEA country · 1 investigational sites

By country

CountryMS statusPlanned subjectsSites
Finland Ongoing, recruiting 466 1
Rest of world 0

Investigational sites

Finland

1 site · Ongoing, recruiting
HUS-Yhtymae
Transplant and Liver Surgery, Stenbackinkatu 9, 00290, Helsinki

Country notifications

Trial-start, recruitment-start, end and early-termination notifications submitted per Member State

Country Trial startTrial end Recruitment startRecruitment end Early termination
Finland 2025-11-13 2025-11-13

Results and documents

Annex IV summary of results, Annex V layperson summary, and all documents registered in CTIS for this trial

Documents 9 files

Public protocol annexes, IB summaries, regulatory submissions and post-authorisation documents registered in CTIS.

TypeTitleVersion
Protocol (for publication) Clinical Trial Protocol Maverick CTIS 1
Protocol (for publication) Clinical Trial Protocol Maverick Revised 122024 1
Recruitment arrangements (for publication) Recruitment arrangements with Finnish answers 1
Subject information and informed consent form (for publication) Informed Consent_EN 1
Subject information and informed consent form (for publication) Informed Consent_FI 1
Subject information and informed consent form (for publication) Informed Consent_SV 1
Subject information and informed consent form (for publication) MAVERICK_tutkimustiedote_FI_V2_REVISED 2
Summary of Product Characteristics (SmPC) (for publication) Mannitol smpc 1
Summary of Product Characteristics (SmPC) (for publication) Saline smpc 1

Application history

1 submissions — initial application plus substantial / non-substantial modifications

#TypeCodeSubmittedReference MSConclusionDecision date
1 INITIAL IN 2025-02-03 Finland Acceptable
2025-02-12
2025-04-07