Clinical trial • Phase II/III • Immunology|Rare Disease

ELA026 for Secondary Hemophagocytic Lymphohistiocytosis (sHLH)

Phase II/III trial of ELA026 for Secondary Hemophagocytic Lymphohistiocytosis (sHLH).

Overview

Trial Therapeutic Area
Immunology|Rare Disease
Trial Disease
Secondary Hemophagocytic Lymphohistiocytosis (sHLH)
Trial Stage
Phase II/III
Drug Modality
Peptide/protein/enzyme
Paediatric Trial
Yes

Key dates

Initial CTIS Submission Date
09-04-2025
First CTIS Authorization Date
05-08-2025

Trial design

open-label, none; single-arm study with historical control (historical control used as comparator; no active comparator arm specified). Phase II/III trial in Germany, Spain, Italy and others.

Open Label
Yes
Comparator
None; single-arm study with historical control (historical control used as comparator; no active comparator arm specified).
Real World Control
Yes
Target Sample Size
60
Trial Duration For Participant
120

Eligibility

Recruits 60 paediatric patients.

Vulnerable Population
The protocol selects vulnerable populations (isVulnerablePopulationSelected = true). Consent and assent handling: participants or legally authorized representatives (LAR) must be capable of giving signed informed consent and the ICF must be signed prior to study activities (Inclusion criterion 4). For minors (Cohort B) minor participants must be capable of giving written assent as appropriate per applicable age/local regulations and the participant or LAR must provide signed informed consent (Inclusion criterion 5). Country-specific ICF and assent documents are provided (examples in Spanish, Italian, German, Dutch as listed in the document set).

Inclusion criteria

  • {"criterion_text":"- 1. Age and disease"}
  • {"criterion_text":"- 2. Adequate organ function that in consideration of the underlying disease trigger and HLH would support enrollment in a clinical trial"}
  • {"criterion_text":"- 3. Must be Eastern Cooperative Oncology Group (ECOG) ≤3"}
  • {"criterion_text":"- 4.Cohort A and Cohort B: Participant or legally authorized representative(s) (LAR) capable of giving signed informed consent which includes compliance with the requirements and restrictions listed in the ICF and in this protocol. ICF must be signed prior to initiation of any study related activities unless assessments are conducted as part of routine SOC as indicated in the screening SoA"}
  • {"criterion_text":"- 5.Cohort B: Minor participants must be capable of giving written assent as appropriate per the applicable age (per local regulatory requirements). Participant or LAR capable of giving signed informed consent which includes compliance with the requirements and restrictions listed in the ICF and in this protocol. ICF must be signed prior to initiation of any study related activities."}

Exclusion criteria

  • {"criterion_text":"- 1.\tRefractory sHLH (exception is the safety lead-in cohort for 6 to 12 year olds with refractory sHLH in Cohort B)"}
  • {"criterion_text":"- 2.\tKnown or suspected primary or hereditary HLH"}
  • {"criterion_text":"- 3.\tSevere organ dysfunction (see protocol for the list)"}
  • {"criterion_text":"- 4.\tAny other significant concurrent, uncontrolled medical condition that contraindicates participation in this study or prohibits completion of study procedures"}
  • {"criterion_text":"- 5.\tEnd-stage malignancy for which no suitable therapies are available to treat the malignancy triggering the HLH (participants with refractory malignancy with ongoing therapeutic options are not excluded)"}
  • {"criterion_text":"- 6.\tHistory of hypersensitivity or allergy to dexamethasone"}
  • {"criterion_text":"- 7.\tHistory of hypersensitivity or allergy to any components of ELA026"}
  • {"criterion_text":"- 8.\tOngoing social, psychological, religious or spiritual beliefs, or logistical issues that would prevent following study procedures or receiving supportive care to receive study treatment safely please see the protocol for whole list."}

Endpoints

Primary endpoints

  • {"endpoint_text":"- 56-day survival from the time of diagnosis","definition_or_measurement_approach":"56-day survival from time of diagnosis; measured as survival status at Day 56 from diagnosis (primary efficacy endpoint for Cohort A as described in main objective)."}

Secondary endpoints

  • {"endpoint_text":"- 30-day, 45-day, 56-day (any type of cancer), 90-day survival (early survival) from time of diagnosis; Survival status at hospital discharge for initial hospital admission for sHLH; Number of participants achieving HLH disease response by Day 29 (modified HLH-2004 criteria and biomarker criteria).","definition_or_measurement_approach":"Survival measured at specified timepoints from time of diagnosis; survival status at initial hospital discharge; number achieving HLH disease response by Day 29 using modified HLH-2004 criteria and biomarker criteria."}
  • {"endpoint_text":"- HLH disease response is defined as a participant who achieves complete response, modified CR, partial response, or HLH improvement; Incidence of treatment-emergent adverse events","definition_or_measurement_approach":"HLH disease response defined as achievement of complete response (CR), modified CR (mCR), partial response (PR), or HLH improvement (HI) by Day 29 per modified HLH-2004 criteria and biomarker criteria; safety assessed by incidence of treatment-emergent adverse events (TEAEs)."}

Recruitment

Planned Sample Size
60
Recruitment Window Months
35
Consent Approach
Informed consent must be provided by the participant or legally authorized representative (LAR) and the ICF must be signed prior to initiation of study-related activities (unless assessments are part of routine SOC). Minors (Cohort B) must provide written assent as appropriate for age per local regulations, and consent is provided by the participant or LAR. Country- and age-specific ICF and assent documents are provided (examples listed in the document set: Spanish, Italian, German, Dutch ICFs and assent forms for ages 6-11 and 15-17).

Geography

Total Number Of Sites
16
Total Number Of Participants
40

Germany

Earliest CTIS Part Ii Submission Date
18-07-2025
Latest Decision Or Authorization Date
09-04-2026
Processing Time Days
265
Number Of Sites
2
Number Of Participants
10

Sites

Site Name
Universitaetsklinikum Jena KöR
Department Name
Hämatologische und onkologische Intensivmedizin
Contact Person Name
Jakob Hammersen
Site Name
Schwarzwald-Baar Klinikum Villingen-Schwenningen GmbH
Department Name
Hämatologie, Onkologie und Palliativmedizin
Contact Person Name
Paul Graf La Rosée
Contact Person Email
paul.larosee@sbk-vs.de

Spain

Earliest CTIS Part Ii Submission Date
18-07-2025
Latest Decision Or Authorization Date
13-04-2026
Processing Time Days
269
Number Of Sites
4
Number Of Participants
10

Sites

Site Name
University Hospital Virgen Del Rocio S.L.
Department Name
Department of Hematology
Contact Person Name
Jose Antonio Perez Simon
Site Name
Clinica Universidad De Navarra (Madrid)
Department Name
Department of Hematology
Contact Person Name
Sara Villar Fernández
Contact Person Email
svillar@unav.es
Site Name
Clinica Universidad De Navarra (Pamplona)
Department Name
Department of Hematology
Contact Person Name
Sara Villar Fernández
Contact Person Email
svillar@unav.es
Site Name
Hospital Universitario Y Politecnico La Fe
Department Name
Oncología pediátrica
Contact Person Name
Jose Maria Fernández Navarro
Contact Person Email
fernandez_jma@gva.es

Italy

Earliest CTIS Part Ii Submission Date
06-05-2025
Latest Decision Or Authorization Date
08-04-2026
Processing Time Days
337
Number Of Sites
6
Number Of Participants
10

Sites

Site Name
Azienda Ospedaliera di Padova
Department Name
Clinica di Ematologia and Immunologia
Contact Person Name
Gianni Binotto
Contact Person Email
gianni.binotto@unipd.it
Site Name
Fondazione IRCCS San Gerardo Dei Tintori (Monza - Adult)
Department Name
Divisione di Ematologia - Adult
Contact Person Name
Luisa Verga
Contact Person Email
l.verga@hsgerardo.org
Site Name
Fondazione IRCCS San Gerardo Dei Tintori (Monza - Satellite)
Department Name
Clinica Pediatrica Satellite Site Dr Luisa Verga
Contact Person Name
Luisa Verga
Contact Person Email
a.balduzzi@hsgerardo.org
Site Name
Azienda Ospedaliera Universitaria Meyer IRCCS
Department Name
Tumori Pediatrici e Trapianto di Cellule Staminali
Contact Person Name
Elena Sieni
Contact Person Email
elena.sieni@meyer.it
Site Name
IRCCS Istituto Giannina Gaslini
Department Name
Dipartimento di Scienze Pediatriche
Contact Person Name
Elena Palmisani
Contact Person Email
elenapalmisani@gaslini.org
Site Name
Istituto Di Ricovero E Cura A Carattere Scientifico Materno Infantile Burlo Garofolo
Department Name
Materno Infantile
Contact Person Name
Marco Rabusin
Contact Person Email
marco.rabusin@burlo.trieste.it

Netherlands

Earliest CTIS Part Ii Submission Date
18-07-2025
Latest Decision Or Authorization Date
07-04-2026
Processing Time Days
263
Number Of Sites
4
Number Of Participants
10

Sites

Site Name
Radboud universitair medisch centrum Stichting
Department Name
Department of Hematology
Contact Person Name
Suzanne van Dorp
Contact Person Email
suzanne.vandorp@radboudumc.nl
Site Name
Wilhelmina Childrens Hospital
Department Name
Department of Pediatric Immunology & Rheumatology
Contact Person Name
Sebastiaan J. (Bas) Vastert
Contact Person Email
b.vastert@umcutrecht.nl
Site Name
Erasmus Universitair Medisch Centrum Rotterdam (Erasmus MC)
Department Name
Klinische Immunologie
Contact Person Name
Jan van Laar
Contact Person Email
j.vanlaar@erasmusmc.nl
Site Name
Amsterdam UMC Stichting
Department Name
Hematology Clinic
Contact Person Name
Sanne H Tonino
Contact Person Email
s.h.tonino@amsterdamumc.nl

Sponsor

Primary sponsor

Full Name
Electra Therapeutics Inc.
Organisation Type
Pharmaceutical company
Country Of Registered Address
United States

Contract research organisations

Name
Precision For Medicine Inc.
Responsibilities
sponsorDuties codes: 4
Name
Almac Clinical Services LLC
Responsibilities
sponsorDuties codes: 14
Name
Medidata Solutions Inc.
Responsibilities
sponsorDuties codes: 7
Name
Icon Clinical Research Limited
Responsibilities
sponsorDuties codes: 3,4
Name
Scout Clinical
Responsibilities
sponsorDuties codes: 15 (ex-US Patient Reimbursement)
Name
PPD Development LP
Responsibilities
sponsorDuties codes: 4
Name
Bioforum C.D.M.C Ltd.
Responsibilities
sponsorDuties codes: 10
Name
Almac Clinical Services (Ireland) Limited
Responsibilities
sponsorDuties codes: 14

Third parties

  • {"country":"United States","full_name":"Precision For Medicine Inc.","duties_or_roles":"sponsorDuties codes: 4","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Almac Clinical Services LLC","duties_or_roles":"sponsorDuties codes: 14","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Medidata Solutions Inc.","duties_or_roles":"sponsorDuties codes: 7","organisation_type":"Non-Pharmaceutical company"}
  • {"country":"Ireland","full_name":"Icon Clinical Research Limited","duties_or_roles":"sponsorDuties codes: 3,4","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Scout Clinical","duties_or_roles":"sponsorDuties codes: 15 (value: ex-US Patient Reimbursement)","organisation_type":"Hospital/Clinic/Other health care facility"}
  • {"country":"United States","full_name":"PPD Development LP","duties_or_roles":"sponsorDuties codes: 4","organisation_type":"Pharmaceutical company"}
  • {"country":"Israel","full_name":"Bioforum C.D.M.C Ltd.","duties_or_roles":"sponsorDuties codes: 10","organisation_type":"Pharmaceutical company"}
  • {"country":"Ireland","full_name":"Almac Clinical Services (Ireland) Limited","duties_or_roles":"sponsorDuties codes: 14","organisation_type":"Pharmaceutical company"}

Investigational products

Investigational Product Name
ELA026
Active Substance
ELA026
Modality
Peptide/protein/enzyme
Routes Of Administration
INTRAVENOUS
Route
INTRAVENOUS

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