Clinical trial • Phase II • Haematology

ANUMIGILIMAB for Sickle cell disease

Phase II trial of ANUMIGILIMAB for Sickle cell disease.

Overview

Trial Therapeutic Area
Haematology
Trial Disease
Sickle cell disease
Trial Stage
Phase II
Drug Modality
Monoclonal antibody

Key dates

Initial CTIS Submission Date
19-12-2025
First CTIS Authorization Date
28-04-2026

Trial design

Randomised, placebo (saline 0.9%), matching volume; dose and schedule not specified in the record.-controlled, adaptive Phase II trial in Netherlands, France, Belgium and others.

Randomised
Yes
Comparator
Placebo (Saline 0.9%), matching volume; dose and schedule not specified in the record.
Adaptive
True, Dose escalation period present; detailed dose escalation rules, interim analysis plans or stopping rules not provided in the CTIS record.
Single Multiple Or Escalation Dose Combined
Yes
Target Sample Size
51
Trial Duration For Participant
455

Eligibility

Recruits 51 Vulnerable population selected (isVulnerablePopulationSelected=true) in the record; no further details on consent/assent handling for vulnerable groups are provided in the CTIS record..

Vulnerable Population
Vulnerable population selected (isVulnerablePopulationSelected=true) in the record; no further details on consent/assent handling for vulnerable groups are provided in the CTIS record.

Inclusion criteria

  • {"criterion_text":"- Adults aged greater than or equal to (>=) 18 years on the day of signing the informed consent form."}
  • {"criterion_text":"- Confirmed diagnosis of SCD of any genotype."}
  • {"criterion_text":"- Experienced 1 to 12 VOCs requiring a visit to a medical facility and treatment with parenteral opioids or a parenteral nonsteroidal anti-inflammatory drug within the 12 months before Screening."}
  • {"criterion_text":"- HU Regimen: a. On stable and well-tolerated Hydroxyurea (HU) regimen for at least 30 days before Screening. or b. HU was discontinued or refused (eg, due to concern of side effects or lack of effect)."}

Exclusion criteria

  • {"criterion_text":"- Absolute neutrophil count less than (<) 2.5 ×10^9 cells/Litre at Screening or Baseline (Week 1 Day 1)."}
  • {"criterion_text":"- If on SCD preventive medication, dose is not stable in the 30 days before Screening."}
  • {"criterion_text":"- History of myeloproliferative disorder or malignancy (other than skin cancer) within 5 years before Screening."}
  • {"criterion_text":"- History of stem cell transplant or gene therapy."}
  • {"criterion_text":"- Hemoglobin < 6.5 g/dL at Screening or Baseline (Week 1 Day 1)."}

Endpoints

Primary endpoints

  • {"endpoint_text":"- Number and percentage of subjects with Treatment Emergent Adverse Events (TEAEs), overall and by severity, seriousness and relationship to Investigational Product (IP)","definition_or_measurement_approach":"Count and percentage of subjects experiencing TEAEs, reported overall and categorized by severity, seriousness and relationship to the IP."}
  • {"endpoint_text":"- Number and percentage of subjects with Adverse Events of Special Interest (AESIs)","definition_or_measurement_approach":"Count and percentage of subjects with AESIs."}
  • {"endpoint_text":"- Clinically relevant changes from baseline in laboratory assessments and vital signs","definition_or_measurement_approach":"Assessment of changes from baseline in laboratory parameters and vital signs considered clinically relevant."}

Secondary endpoints

  • {"endpoint_text":"- From the first dose of anumigilimab through Week 65: • Serum anumigilimab","definition_or_measurement_approach":"Measurement of serum concentrations of anumigilimab (PK) from first dose through Week 65."}
  • {"endpoint_text":"- During the 52-week Maintenance Period: • Annualized rate of Vaso-occlusive crisis (VOC) (medical facility)","definition_or_measurement_approach":"Calculation of annualized rate of VOCs requiring medical facility visit during the 52-week maintenance period."}

Recruitment

Registry Or Advocacy Recruitment
True, Center For Information And Study On Clinical Research Participation Inc.
Digital Remote Recruitment
True, digital methods include patient recruitment websites, patient portal, patient recruitment website country variants, patient videos and online consent navigator tools (documents indicate digital/online recruitment materials for Belgium, France, Netherlands and Italy).
Planned Sample Size
51
Recruitment Window Months
24
Consent Approach
Adults (>=18 years) provide informed consent. Subject information and informed consent forms (Main ICF, Optional Future Research ICF, Pregnancy ICF) and consent-support materials (ICF infographic, Consent-Navigator) are provided. ICF and recruitment materials are available in multiple languages indicated by document titles (Dutch, French, English, Italian). No assent process described.

Methods

  • Patient recruitment websites (country-specific patient recruitment website documents present for France, Belgium, Netherlands).
  • Patient portal (Belgium patient-portal documents present).
  • Printed materials: brochures and posters (country-specific brochures and posters for NLD, FRA, ITA, BEL).
  • Multimedia: patient video/storyboard/script (documents present for NLD, FRA, ITA, BEL).
  • Consent support tools: Consent-Navigator and ICF infographics (documents present for multiple countries).
  • Pre-screening/scout telephone consent forms (Belgium and Italy scout clinical pre-ICF telephone data consent documents present).

Geography

Total Number Of Sites
15
Total Number Of Participants
12

Netherlands

Earliest CTIS Part Ii Submission Date
31-03-2026
Latest Decision Or Authorization Date
29-04-2026
Processing Time Days
29
Number Of Sites
1
Number Of Participants
1

Sites

Site Name
Amsterdam UMC Stichting
Department Name
Hematology
Contact Person Name
Bart Biemond
Contact Person Email
hematology@amsterdamumc.nl

France

Earliest CTIS Part Ii Submission Date
18-03-2026
Latest Decision Or Authorization Date
28-04-2026
Processing Time Days
41
Number Of Sites
4
Number Of Participants
3

Sites

Site Name
Centre Hospitalier Universitaire De Nantes
Department Name
Médecine Interne
Contact Person Name
Alexandra ESPITIA
Site Name
Centre Hospitalier Universitaire Rouen
Department Name
Medicine intensive et reanimation
Contact Person Name
Maximilien GRALL
Contact Person Email
maximillien.grall@chu-rouen.fr
Site Name
Oncopole Claudius Regaud
Department Name
Médecine Interne
Contact Person Name
Pierre COUGOUL
Site Name
Centre Hospitalier Regional De Marseille
Department Name
Medecine Interne
Contact Person Name
Estelle JEAN-MIGNARD
Contact Person Email
estelle.jean@ap-hm.fr

Belgium

Earliest CTIS Part Ii Submission Date
24-03-2026
Latest Decision Or Authorization Date
28-04-2026
Processing Time Days
35
Number Of Sites
2
Number Of Participants
1

Sites

Site Name
CHU Saint Pierre
Department Name
Hematology
Contact Person Name
Jade Ku
Contact Person Email
jade.ku@stpierre-bru.be
Site Name
Universitair Ziekenhuis Antwerpen
Department Name
Hematology
Contact Person Name
Ann Van de Velde
Contact Person Email
ann.vandevelde@uza.be

Italy

Earliest CTIS Part Ii Submission Date
27-02-2026
Latest Decision Or Authorization Date
29-04-2026
Processing Time Days
61
Number Of Sites
8
Number Of Participants
7

Sites

Site Name
University Hospital Of Ferrara
Department Name
UOC Talassemie ed Emoglobinopatie
Contact Person Name
Filomena Longo
Contact Person Email
filomena.longo@ospfe.it
Site Name
Azienda Ospedaliera Ospedali Riuniti Villa Sofia Cervello
Department Name
U.O.C. Ematologia per le Malattie Rare del Sangue e degli
Contact Person Name
Rosario Di Maggio
Contact Person Email
rdm83@hotmail.it
Site Name
Azienda Ospedaliero Universitaria Di Modena
Department Name
S.C. Medicina Interna
Contact Person Name
Francesca Ferrara
Contact Person Email
ferrara.francesca@aou.mo.it
Site Name
IRCCS Istituto Giannina Gaslini
Department Name
UOC Ematologia
Contact Person Name
Erika Massaccesi
Contact Person Email
erikamassaccesi@gaslini.org
Site Name
Centro Ricerche Cliniche Di Verona S.r.l.
Department Name
Policlinico GB Rossi di Borgo Roma
Contact Person Name
Lucia De Franceschi
Contact Person Email
lucia.defranceschi@univr.it
Site Name
Fondazione IRCCS San Gerardo Dei Tintori
Department Name
SSD Malattie Rare
Contact Person Name
Raffaella Mariani
Site Name
Ospedale Pediatrico Bambino Gesu
Department Name
Dipartimento Oncoematologia, Terapia Cellulare, Terapie Geniche e Trapianto Emopoietic
Contact Person Name
Franco Locatelli
Contact Person Email
franco.locatelli@opbg.net
Site Name
Azienda Ospedaliera Di Rilievo Nazionale Antonio Cardarelli
Department Name
U.O.S.D. Malattie Rare del Globulo Rosso - Dipartimento Onco-ematologico e Pneumo-toracico
Contact Person Name
Paolo Ricchi
Contact Person Email
paolo.ricchi@aocardarelli.it

Sponsor

Primary sponsor

Full Name
CSL Behring LLC
Organisation Type
Pharmaceutical company
Country Of Registered Address
United States

Contract research organisations

Name
PPD Development LP
Responsibilities
IRB/EC Management, Health Authority Management, Vendor Management, Home Health Services, Site Payments, Translations
Name
PPD Global Central Labs
Responsibilities
Hematology, biochemistry, coagulation, immunogenicity, biomarkers, sample storage
Name
Fisher Clinical Services GmbH
Responsibilities
Clinical Trial Supply, label translations and creation of IMP labels, packaging and labeling of IMP, storage, distribution and destruction of IMP

Third parties

  • {"country":"United States","full_name":"Medidata Solutions Inc.","duties_or_roles":"sponsorDuties code 7","organisation_type":"Non-Pharmaceutical company"}
  • {"country":"United States","full_name":"Suvoda LLC","duties_or_roles":"sponsorDuties code 3","organisation_type":"Non-Pharmaceutical company"}
  • {"country":"United States","full_name":"Center For Information And Study On Clinical Research Participation Inc.","duties_or_roles":"Patient Advisory Board and Study Materials [e.g., brochure, videos, ICF infographic, poster, communication cards (including thank you and unblinding cards)]","organisation_type":"Patient organisation/association"}
  • {"country":"Australia","full_name":"CSL Innovation Pty Limited","duties_or_roles":"PK/Biomarker/Immuno/Retention/Future Research samples testing; code 4","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"PPD Development LP","duties_or_roles":"Responsibilities include IRB/EC Management, Health Authority Management, Vendor Management, Home Health Services, Site Payments, Translations (sponsorDuties codes 1,15,5,6 referenced)","organisation_type":"Pharmaceutical company"}
  • {"country":"Switzerland","full_name":"Fisher Clinical Services GmbH","duties_or_roles":"Clinical Trial Supply, label translations and creation of IMP labels, packaging and labeling of IMP, storage, distribution and destruction of IMP","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Eresearchtechnology Inc.","duties_or_roles":"Electronic Clinical Outcome Assessment (eCOA)","organisation_type":"Pharmaceutical company"}
  • {"country":"United Kingdom","full_name":"Q2q Communications Limited","duties_or_roles":"Investigator Meeting","organisation_type":"Non-Pharmaceutical company"}
  • {"country":"Singapore","full_name":"Azenta Singapore Pte Ltd","duties_or_roles":"Long term sample storage","organisation_type":"Pharmaceutical company"}
  • {"country":"Belgium","full_name":"PPD Global Central Labs","duties_or_roles":"Hematology, biochemistry, coagulation, immunogenicity, biomarkers, sample storage; code 4","organisation_type":"Pharmaceutical company"}

Investigational products

Investigational Product Name
Anumigilimab
Active Substance
ANUMIGILIMAB
Modality
Monoclonal antibody
Routes Of Administration
SUBCUTANEOUS
Route
SUBCUTANEOUS
Authorisation Status
EU MP number PRD11100686 (prodAuthStatus:1)
Maximum Dose
50 mg (maxDailyDoseAmount)
Investigational Product Name
Saline 0.9%
Modality
Other

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