A study to learn more about the amount of bimekizumab in the breast milk of women with chronic inflammatory conditions who are breastfeeding

2024-518689-29-00 Protocol UP0122 Human pharmacology (Phase I) - Other Authorised, recruitment pending

Status Authorised, recruitment pending · 2 EU/EEA countries · 5 sites · Protocol UP0122

Overview

Sponsor-declared trial summary

Phase Human pharmacology (Phase I) - Other
Status Authorised, recruitment pending
Participants planned 20
Countries 2
Sites 5

Hidradenitis suppurativa

To assess the concentration of bimekizumab in mature human breast milk

Key facts

Sponsor
UCB Biopharma
Participant type
Patients
Age range
18-64 years, 65+ years
Gender
Female
Therapeutic area
Diseases [C] - Immune System Diseases [C20]
Decision date (initial)
2025-07-03
Transition trial
No
Low-intervention
Yes
Rare-disease indication
No
Vulnerable population
Yes

External identifiers

EU CT number
2024-518689-29-00
WHO UTN
U1111-1318-5063

Trial design

CTIS Part I — objectives, methods, condition coding

Main objective

Scope: Pharmacokinetic, Safety

To assess the concentration of bimekizumab in mature human breast milk

Secondary objectives 1

  1. To assess the safety of bimekizumab in the mother

Conditions and MedDRA coding

Hidradenitis suppurativa

VersionLevelCodeTermSystem organ class
21.1 PT 10071400 Axial spondyloarthritis 100000004859
21.0 LLT 10037160 Psoriatic arthritis 10028395
20.0 LLT 10071117 Plaque psoriasis 10040785
27.1 LLT 10020041 Hidradenitis suppurativa 10040785

Eligibility criteria

Principal inclusion / exclusion criteria as submitted by sponsor

Inclusion criteria 6

  1. Study participant must be at least 18 years of age at the time of signing the informed consent.
  2. Study participant is being treated with commercial bimekizumab per locally approved prescribing information and in accordance with her treating physician.
  3. Study participant is breastfeeding and intends to breastfeed throughout the Sampling Period.
  4. The decision to treat with bimekizumab and to breastfeed is made independently from and prior to the study participant consenting to participate in the study.
  5. Study participant must be on bimekizumab treatment for at least 12 weeks after delivery and since starting/restarting/continuing bimekizumab prior to sampling (prior to start of the Sampling Period).
  6. A female study participant is eligible to participate if she is not pregnant and does not plan to become pregnant during the study.

Exclusion criteria 7

  1. Study participant has any medical, obstetrical, or psychiatric condition that, in the opinion of the Investigator, could jeopardize or would compromise the study participant’s ability to participate in this study.
  2. The infant has any abnormality noted on physical examination or medical history that, in the opinion of the Investigator, may jeopardize or compromise study participation.
  3. Study participant has a history of chronic alcohol or drug abuse within the previous last year.
  4. Study participant has history of breast implants, breast augmentation, or breast reduction surgery.
  5. Study participant plans a surgical intervention during the Screening Period and Sampling Period or anticipates having surgery while participating in the Sampling Period (does not apply to tubal ligation).
  6. Study participant or her infant has participated in another study of an investigational medicinal product (IMP) (and/or an investigational device) within the previous 6 months or is currently participating in another study of an IMP (and/or an investigational device), unless the study is UCB PS0036 or a bimekizumab registry study.
  7. Study participant or her infant has previously participated (ie, entered the sampling period) in this study.

Endpoints

Primary and secondary outcome measures (English text)

Primary endpoints 1

  1. Concentration of bimekizumab in the breast milk predose on Day 1 and on Days 2, 3, 5, 7, 9, 11, 13, and 15 (predose for mothers on Q2W dosing regimen), and in addition, predose on Day 29 or Day 57 for mothers on Q4W or Q8W dosing regimen, respectively

Secondary endpoints 3

  1. Estimated Infant Dosage of bimekizumab from breast milk
  2. Relative Infant Dose of bimekizumab from breast milk
  3. Treatment-emergent adverse events (TEAEs) of the mother from time of informed consent through Safety Follow-Up (SFU) contact

Investigational products

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

Test 12

Bimzelx 160 mg solution for injection in pre-filled syringe

PRD9160005 · Product

Active substance
Bimekizumab
Substance synonyms
UCB4940
Pharmaceutical form
SOLUTION FOR INJECTION
Route of administration
SUBCUTANEOUS USE
Max daily dose
320 mg milligram(s)
Max total dose
320 mg milligram(s)
Max treatment duration
17 Week(s)
Authorisation status
Authorised
ATC code
L04AC21 — -
Marketing authorisation
EU/1/21/1575/002
MA holder
UCB PHARMA S.A.
MA country
EU
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
No

Bimzelx 160 mg solution for injection in pre-filled syringe

PRD9160109 · Product

Active substance
Bimekizumab
Substance synonyms
UCB4940
Pharmaceutical form
SOLUTION FOR INJECTION
Route of administration
SUBCUTANEOUS USE
Max daily dose
320 mg milligram(s)
Max total dose
320 mg milligram(s)
Max treatment duration
17 Week(s)
Authorisation status
Authorised
ATC code
L04AC21 — -
Marketing authorisation
EU/1/21/1575/004
MA holder
UCB PHARMA S.A.
MA country
EU
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
No

Bimzelx 160 mg solution for injection in pre-filled syringe

PRD9160097 · Product

Active substance
Bimekizumab
Substance synonyms
UCB4940
Pharmaceutical form
SOLUTION FOR INJECTION
Route of administration
SUBCUTANEOUS USE
Max daily dose
320 mg milligram(s)
Max total dose
320 mg milligram(s)
Max treatment duration
17 Week(s)
Authorisation status
Authorised
ATC code
L04AC21 — -
Marketing authorisation
EU/1/21/1575/003
MA holder
UCB PHARMA S.A.
MA country
EU
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
No

Bimzelx 160 mg solution for injection in pre-filled syringe

PRD9159766 · Product

Active substance
Bimekizumab
Substance synonyms
UCB4940
Pharmaceutical form
SOLUTION FOR INJECTION
Route of administration
SUBCUTANEOUS USE
Max daily dose
320 mg milligram(s)
Max total dose
320 mg milligram(s)
Max treatment duration
17 Week(s)
Authorisation status
Authorised
ATC code
L04AC21 — -
Marketing authorisation
EU/1/21/1575/001
MA holder
UCB PHARMA S.A.
MA country
EU
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
No

Bimzelx 320 mg solution for injection in pre-filled syringe

PRD11501020 · Product

Active substance
Bimekizumab
Substance synonyms
UCB4940
Pharmaceutical form
SOLUTION FOR INJECTION
Route of administration
SUBCUTANEOUS USE
Max daily dose
320 mg milligram(s)
Max total dose
320 mg milligram(s)
Max treatment duration
17 Week(s)
Authorisation status
Authorised
ATC code
L04AC21 — -
Marketing authorisation
EU/1/21/1575/010
MA holder
UCB PHARMA S.A.
MA country
EU
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
No

Bimzelx 320 mg solution for injection in pre-filled syringe

PRD11501019 · Product

Active substance
Bimekizumab
Substance synonyms
UCB4940
Pharmaceutical form
SOLUTION FOR INJECTION
Route of administration
SUBCUTANEOUS USE
Max daily dose
320 mg milligram(s)
Max total dose
320 mg milligram(s)
Max treatment duration
17 Week(s)
Authorisation status
Authorised
ATC code
L04AC21 — -
Marketing authorisation
EU/1/21/1575/009
MA holder
UCB PHARMA S.A.
MA country
EU
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
No

Bimzelx 160 mg solution for injection in pre-filled pen

PRD9160118 · Product

Active substance
Bimekizumab
Substance synonyms
UCB4940
Pharmaceutical form
SOLUTION FOR INJECTION
Route of administration
SUBCUTANEOUS USE
Max daily dose
320 mg milligram(s)
Max total dose
320 mg milligram(s)
Max treatment duration
17 Week(s)
Authorisation status
Authorised
ATC code
L04AC21 — -
Marketing authorisation
EU/1/21/1575/005
MA holder
UCB PHARMA S.A.
MA country
EU
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
No

Bimzelx 160 mg solution for injection in pre-filled pen

PRD9160157 · Product

Active substance
Bimekizumab
Substance synonyms
UCB4940
Pharmaceutical form
SOLUTION FOR INJECTION
Route of administration
SUBCUTANEOUS USE
Max daily dose
320 mg milligram(s)
Max total dose
320 mg milligram(s)
Max treatment duration
17 Week(s)
Authorisation status
Authorised
ATC code
L04AC21 — -
Marketing authorisation
EU/1/21/1575/008
MA holder
UCB PHARMA S.A.
MA country
EU
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
No

Bimzelx 160 mg solution for injection in pre-filled pen

PRD9160149 · Product

Active substance
Bimekizumab
Substance synonyms
UCB4940
Pharmaceutical form
SOLUTION FOR INJECTION
Route of administration
SUBCUTANEOUS USE
Max daily dose
320 mg milligram(s)
Max total dose
320 mg milligram(s)
Max treatment duration
17 Week(s)
Authorisation status
Authorised
ATC code
L04AC21 — -
Marketing authorisation
EU/1/21/1575/007
MA holder
UCB PHARMA S.A.
MA country
EU
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
No

Bimzelx 160 mg solution for injection in pre-filled pen

PRD9160133 · Product

Active substance
Bimekizumab
Substance synonyms
UCB4940
Pharmaceutical form
SOLUTION FOR INJECTION
Route of administration
SUBCUTANEOUS USE
Max daily dose
320 mg milligram(s)
Max total dose
320 mg milligram(s)
Max treatment duration
17 Week(s)
Authorisation status
Authorised
ATC code
L04AC21 — -
Marketing authorisation
EU/1/21/1575/006
MA holder
UCB PHARMA S.A.
MA country
EU
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
No

Bimzelx 320 mg solution for injection in pre-filled pen

PRD11501091 · Product

Active substance
Bimekizumab
Substance synonyms
UCB4940
Pharmaceutical form
SOLUTION FOR INJECTION
Route of administration
SUBCUTANEOUS USE
Max daily dose
320 mg milligram(s)
Max total dose
320 mg milligram(s)
Max treatment duration
17 Week(s)
Authorisation status
Authorised
ATC code
L04AC21 — -
Marketing authorisation
EU/1/21/1575/012
MA holder
UCB PHARMA S.A.
MA country
EU
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
No

Bimzelx 320 mg solution for injection in pre-filled pen

PRD11501092 · Product

Active substance
Bimekizumab
Substance synonyms
UCB4940
Pharmaceutical form
SOLUTION FOR INJECTION
Route of administration
SUBCUTANEOUS USE
Max daily dose
320 mg milligram(s)
Max total dose
320 mg milligram(s)
Max treatment duration
17 Week(s)
Authorisation status
Authorised
ATC code
L04AC21 — -
Marketing authorisation
EU/1/21/1575/011
MA holder
UCB PHARMA S.A.
MA country
EU
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
No

Sponsors and contacts

Sponsor organisations, regulatory contacts, third parties

UCB Biopharma

Sponsor organisation
UCB Biopharma
Address
Researchdreef 60
City
Anderlecht
Postcode
1070
Country
Belgium

Scientific contact point

Organisation
UCB Biopharma
Contact name
UCB Cares

Public contact point

Organisation
UCB Biopharma
Contact name
UCB Cares

Third parties 13

OrganisationCity, countryDuties
Veeva Systems Inc.
ORG-100006053
Pleasanton, United States E-data capture
JMAC
ORL-000013294
Missouri City, United States Other
Parexel International (IRL) Limited
ORG-100022780
Dublin 2, Ireland On site monitoring, Code 12, Code 13, Code 5, Data management, Code 9
Pharmaceutical Product Development LLC
ORG-100016999
Richmond, United States Laboratory analysis
Transperfect Translations International Inc.
ORG-100043494
New York, United States Other
BioAgilytix Europe GmbH
ORG-100016335
Hamburg, Germany Laboratory analysis
RWS Life Sciences Inc.
ORG-100042348
East Hartford, United States Other
Center For Information And Study On Clinical Research Participation Inc.
ORG-100044581
Boston, United States Code 11
Professional Case Management Clinical Trials LLC
ORG-100044408
Denver, United States Other
PPD International Holdings LLC
ORG-100007655
Zaventem, Belgium Other
Splash Clinical LLC
ORG-100049597
Wauwatosa, United States Other
Azenta Germany GmbH
ORG-100022621
Griesheim, Germany Other
Scout Clinical
ORG-100042228
Dallas, United States Other

Locations

2 EU/EEA countries · 5 investigational sites

By country

CountryMS statusPlanned subjectsSites
Germany Authorised, recruitment pending 4 3
Spain Authorised, recruitment pending 4 2
Rest of world
Canada, United States, Switzerland
12

Investigational sites

Germany

3 sites · Authorised, recruitment pending
Goethe University Frankfurt
#302: Dermatology, Theodor-Stern-Kai 7, 60590, Frankfurt Am Main
St. Elisabeth Gruppe GmbH Katholische Kliniken Rhein-Ruhr
#303:, Claudiusstrasse 45, Wanne, Herne
Medical Center - University Of Freiburg
#301: Klinik für Rheumatologie und Klinische Immunologie, Hugstetter Strasse 55, Stuehlinger, Freiburg Im Breisgau

Spain

2 sites · Authorised, recruitment pending
Hospital Universitari Vall D Hebron
#501: Reumatología, Passeig De La Vall D'Hebron 119-129, 08035, Barcelona
Hospital De La Santa Creu I Sant Pau
#502: Dermatología, Calle De San Antonio Maria Claret 167, 08025, Barcelona

Results and documents

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

Documents 29 files

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

TypeTitleVersion
Protocol (for publication) D1_up0122-protocol-amend-5_public N/A
Protocol (for publication) D4_de-epro-collection-en-de-public 2.0
Protocol (for publication) D4_es-epro-collection-en-es-public 2.0
Recruitment arrangements (for publication) K1_up0122-de-icf-recr-proc-en-public 1.0
Recruitment arrangements (for publication) K1_up0122-es-icf-recr-proc-en-public 1.0
Recruitment arrangements (for publication) K2_up0122-de-recr-poster-de-DE-public 1.0
Recruitment arrangements (for publication) K2_up0122-de-recr-sib-de-DE-public 2.0
Recruitment arrangements (for publication) K2_up0122-de-recr-smam-de-DE-public 1.0
Recruitment arrangements (for publication) K2_up0122-de-recr-smi-de-DE-public 1.0
Recruitment arrangements (for publication) K2_up0122-de-recr-web-de-DE-public 1.0
Recruitment arrangements (for publication) K2_up0122-de-recr-web-imp-de-DE-public 1.0
Recruitment arrangements (for publication) K2_up0122-de-recr-wrs-de-DE-public 1.0
Recruitment arrangements (for publication) K2_up0122-es-recr-poster-es-ES-public 1.0
Recruitment arrangements (for publication) K2_up0122-es-recr-sib-es-ES-public 1.0
Recruitment arrangements (for publication) K2_up0122-es-recr-smam-es-ES-public 1.0
Recruitment arrangements (for publication) K2_up0122-es-recr-smi-es-ES-public 1.0
Recruitment arrangements (for publication) K2_up0122-es-recr-web-es-ES-public 1.0
Recruitment arrangements (for publication) K2_up0122-es-recr-wrs-es-ES-public 1.0
Subject information and informed consent form (for publication) L1_up0122-de-icf-main-de-DE-public 1.3
Subject information and informed consent form (for publication) L1_up0122-de-icf-par-de-DE-public 1.3
Subject information and informed consent form (for publication) L1_up0122-es-icf-main-es-ES-public 1.1
Subject information and informed consent form (for publication) L1_up0122-es-icf-par-es-ES-public 1.1
Summary of Product Characteristics (SmPC) (for publication) E2_bimekizumab-SPC IMP N/A
Summary of Product Characteristics (SmPC) (for publication) E2_up0122-ntf-spc N/A
Summary of Product Characteristics (SmPC) (for publication) E2_up0122-ntf-spc N/A
Summary of Product Characteristics (SmPC) (for publication) E2_up0122-ntf-spc N/A
Synopsis of the protocol (for publication) D1_up0122_protocol_summary_public_de-DE 1.0
Synopsis of the protocol (for publication) D1_up0122_protocol_summary_public_en-EN 1.0
Synopsis of the protocol (for publication) D1_up0122_protocol_summary_public_es-ES 1.0

Application history

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

#TypeCodeSubmittedReference MSConclusionDecision date
1 INITIAL IN 2025-03-21 Germany Acceptable
2025-07-02
2025-07-03
2 SUBSTANTIAL MODIFICATION SM-1 2026-01-16 Germany Acceptable
2026-03-02
2026-03-04
3 NON SUBSTANTIAL MODIFICATION NSM-1 2026-03-10 Germany Acceptable
2026-03-02
2026-03-10
4 NON SUBSTANTIAL MODIFICATION NSM-2 2026-04-01 Germany Acceptable
2026-03-02
2026-04-01