Comparison of azathioprine to methotrexate in combination therapy with adalimumab in Crohn’s Disease: an open-label randomized controlled trial

2024-514633-38-00 Therapeutic confirmatory (Phase III) Authorised, recruitment pending

Status Authorised, recruitment pending · 1 EU/EEA countries · 28 sites

Overview

Sponsor-declared trial summary

Phase Therapeutic confirmatory (Phase III)
Status Authorised, recruitment pending
Participants planned 166
Countries 1
Sites 28

Crohn’s Disease

To compare the endoscopic response to AZA and to MTX in combination with adalimumab in patients with CD

Key facts

Sponsor
Centre Hospitalier Universitaire Amiens Picardie
Participant type
Patients
Age range
18-64 years, 65+ years
Gender
Male and Female
Therapeutic area
Diseases [C] - Digestive System Diseases [C06]
Decision date (initial)
2024-08-20
Transition trial
Yes
Low-intervention
No
Rare-disease indication
No
Vulnerable population
No

External identifiers

EU CT number
2024-514633-38-00
EudraCT number
2021-002047-29

Trial design

CTIS Part I — objectives, methods, condition coding

Main objective

Scope: Efficacy, Therapy, Safety

To compare the endoscopic response to AZA and to MTX in combination with adalimumab in patients with CD

Secondary objectives 7

  1. To compare AZA to MTX in combination therapy with adalimumab on clinical efficacy (remission and response)
  2. To compare AZA to MTX in combination therapy with adalimumab in CD on the pharmacokinetics of adalimumab
  3. To compare AZA to MTX in combination therapy with adalimumab on the level of inflammatory biomarkers
  4. To compare the impact of AZA to MTX in combination therapy with adalimumab on CD-related disability
  5. To compare the impact of AZA to MTX in combination therapy with adalimumab on CD-related quality of life
  6. To compare the impact of AZA to MTX in combination therapy with adalimumab on CD natural history (surgeries and hospitalizations)
  7. To compare the safety of AZA to MTX in combination therapy with adalimumab

Conditions and MedDRA coding

Crohn’s Disease

Study design 1 period

#TitleAllocationBlindingRoles blindedArms
1 Essai contrôlé randomisé ouvert de supériorité avec randomisation du traitement assigné (AZA ou MTX)
Group 1:Combination of subcutaneous administration of adalimumab and oral AZA capsules at a daily dose of 2.5 mg per kilogram. Group 2:Combination of sub-cutaneous administration of adalimumab and sub-cutaneous MTX 25 mg once a week.
Randomised Controlled None study treatment: Combination of subcutaneous administration of adalimumab at a dose of 160mg (W0) - 80mg (W2)-40mg (W4) and then 40mg EOW (every other week) and oral AZA capsules at a daily dose of 2.5 mg per kilogram.
comparator treatment: Combination of sub-cutaneous administration of adalimumab at a dose of 160mg (W0) - 80mg (W2) -40mg (W4) and then 40mg every other week (EOW) and sub-cutaneous MTX 25 mg once a week.

Eligibility criteria

Principal inclusion / exclusion criteria as submitted by sponsor

Inclusion criteria 7

  1. Male or female patients with age > 18 years
  2. CD for at least 6 weeks
  3. Clinically active with CDAI > 150
  4. Active inflammation by endoscopy (SES-CD ≥6 (or in isolated ileum disease SES-CD ≥4)) at baseline
  5. Not responder to conventional therapy (steroids and/or immunosuppressants) or are intolerant to or have medical contraindications for such therapies and initiating treatment with adalimumab
  6. Patient followed in a centre belonging to the GETAID network
  7. Fertile men and women of childbearing potential included in the protocol should use adequate methods of contraception according to study drug SMPCs

Exclusion criteria 11

  1. Short bowel syndrome, ostomy, symptomatic stricture, abscess, recent history of abdominal surgery (<3 months)
  2. Non-passable colonic stricture
  3. Previous intolerance to thiopurines or MTX
  4. Previous exposition to adalimumab
  5. Contra-indication to adalimumab
  6. Contra-indication to immunosuppressants or anti-TNF
  7. Others serious simultaneous illness that could interfere with study participation
  8. Planning pregnancy, pregnancy or lactation or absence of contraception
  9. Known substance abusers
  10. Use of any investigational drug within 30 days
  11. Adults protected by law

Endpoints

Primary and secondary outcome measures (English text)

Primary endpoints 1

  1. Endoscopic response defined as a decrease of at least 50% of the SES-CD at week W26 as compared to baseline

Secondary endpoints 14

  1. Clinical response at each visit
  2. Clinical remission at each visit
  3. Corticosteroid-free clinical remission at W12, W26, W52, W78 and W104
  4. Necessity of adalimumab optimization during follow-up
  5. AZA, MTX and adalimumab withdrawal during follow-up
  6. Trough serum levels and antibodies to adalimumab at W12-W26, W52, W78 and W104
  7. Change in IBD-Q and change in IBD-Disability index between W0 and W12, W26, W52, W78 and W104
  8. Change in C-reactive protein (CRP) level between W0, W12, W26, W52, W78 and W104
  9. Change in Calprotectin level between W0, W12, W26, W52, W78 and W104
  10. Endoscopic remission (SES-CD< 3) and ulcer free endoscopy at W26
  11. Deep remission at W26
  12. CD-related hospitalization during follow-up
  13. CD-related surgery during follow-up
  14. Occurrence of adverse events

Investigational products

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

Test 2

IMUREL 25 mg, comprimé pelliculé

PRD980770 · Product

Active substance
Azathioprine
Pharmaceutical form
FILM-COATED TABLET
Route of administration
ORAL USE
Max daily dose
2.5 mg/kg milligram(s)/kilogram
Max total dose
1820 mg/kg milligram(s)/kilogram
Max treatment duration
104 Week(s)
Authorisation status
Authorised
ATC code
L04AX01 — AZATHIOPRINE
Marketing authorisation
34009 364 142 6 6
MA holder
ASPEN PHARMA TRADING LIMITED
MA country
France
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
No

Humira 20 mg solution for injection in pre-filled syringe

PRD5952375 · Product

Active substance
Adalimumab
Pharmaceutical form
SOLUTION FOR INJECTION
Route of administration
SUBCUTANEOUS USE
Max daily dose
160 mg milligram(s)
Max total dose
4240 mg milligram(s)
Max treatment duration
104 Week(s)
Authorisation status
Authorised
ATC code
L04AB04 — -
Marketing authorisation
EU/1/03/256/022
MA holder
ABBVIE DEUTSCHLAND GMBH & CO. KG
MA country
EU
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
No

Comparator 1

METOJECT 25 mg/0,5 ml, solution injectable en seringue préremplie

PRD779196 · Product

Active substance
Methotrexate
Pharmaceutical form
SOLUTION FOR INJECTION
Route of administration
SUBCUTANEOUS USE
Max daily dose
25 mg milligram(s)
Max total dose
2600 mg milligram(s)
Max treatment duration
104 Week(s)
Authorisation status
Authorised
ATC code
L01BA01 — METHOTREXATE
Marketing authorisation
34009 268 899 2 0
MA holder
MEDAC GESELLSCHAFT FÜR KLINISCHE SPEZIALPRÄPARATE MBH (WEDEL)
MA country
France
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
No

Sponsors and contacts

Sponsor organisations, regulatory contacts, third parties

Centre Hospitalier Universitaire Amiens Picardie

Sponsor organisation
Centre Hospitalier Universitaire Amiens Picardie
Address
1 Rond Point Du Pr Christian Cabrol
City
Amiens Cedex 1
Postcode
80054
Country
France

Scientific contact point

Organisation
Centre Hospitalier Universitaire Amiens Picardie
Contact name
Mathurin FUMERY

Public contact point

Organisation
Centre Hospitalier Universitaire Amiens Picardie
Contact name
Mathurin FUMERY

Locations

1 EU/EEA country · 28 investigational sites

By country

CountryMS statusPlanned subjectsSites
France Authorised, recruitment pending 166 28
Rest of world 0

Investigational sites

France

28 sites · Authorised, recruitment pending
Centre Hospitalier Henri Mondor
gastro-enterologie, 50 Avenue De La Republique, 15002, Aurillac Cedex
Centre Hospitalier Universitaire De Nantes
hépatologie et gastro-enterologie, 1 Place Alexis Ricordeau, 44000, Nantes
Hospices Civils De Lyon
hépatologie et gastro-enterologie, 165 Chemin Du Grand Revoyet, 69310, Pierre Benite
Centre Hospitalier Universitaire De Rennes
gastro-enterologie et hépatologie, 2 Rue Henri Le Guilloux, 35000, Rennes
Centre Hospitalier Universitaire Reims
hépato-gastro-enterologie, Rue Du General Koenig, 51092, Reims Cedex
Centre Hospitalier Universitaire De Bordeaux
hépato-gastro-enterologie, Avenue De Magellan, 33600, Pessac
CHU Besancon
gastro-enterologie, 3 Boulevard Alexander Fleming, Cs 81816, Besancon Cedex
Centre Hospitalier Universitaire De Lille
gastroentérologie, Rue Michel Polonowski, 59000, Lille
Hopital Beaujon
hépatologie et gastro-enterologie, 100 Boulevard Du General Leclerc, 92110, Clichy
Centre Hospitalier Universitaire Amiens Picardie
gastroentérologie, 1 Rond Point Du Pr Christian Cabrol, 80054, Amiens Cedex 1
Centre Hospitalier De Tourcoing
hépatogastroentérologie, 155 Rue Du President Coty, Bp 40619, Tourcoing Cedex
Centre Hospitalier Universitaire De Caen Normandie
hépato-gastro-entérologie, Avenue De La Cote De Nacre, 14000, Caen
Centre Medico Chirurgical Ambroise Pare Hartmann
gastroentérologie, 25 Boulevard Victor Hugo, 92200, Neuilly-Sur-Seine
Centre Hospitalier De Colmar
gastroentérologie, 39 Avenue De La Liberte, Bp 60535, Colmar Cedex
Centre Hospitalier De Roubaix
gastroentérologie, 11 Boulevard Lacordaire, Hopital Victor Provo, Roubaix
Centre Hospitalier De La Cote Basque
gastroentérologie, 13 Avenue Interne Jacques Loeb, 64100, Bayonne
Centre Hospitalier Valence
gastroentérologie, 179 Boulevard Marechal Juin, 26000, Valence
Centre Hospitalier Intercommunal Toulon / La Seine-Sur-Mer
hépatogastroentérologie, 54 Rue Henri Sainte Claire Deville, 83100, Toulon
Centre Hospitalier Intercommunal Creteil
hépatogastroentérologie, 40 Avenue De Verdun, 94010, Creteil Cedex
Centre Hospitalier Regional Universitaire De Tours
hépatogastroentérologie, 2 Boulevard Tonnelle, 37000, Tours
Centre Hospitalier Universitaire De Toulouse
gastroentérologie et pancréatologie, 1 Avenue Du Professeur Jean Poulhes, Tsa 50032, Toulouse Cedex 9
Centre Hospitalier Universitaire De Montpellier
hepato-gastro-enterologie, 80 Avenue Augustin Fliche, 34295, Montpellier Cedex 5
University Hospital Of Clermont-Ferrand
gastroentérologie hépatologie, 1 Place Lucie Et Raymond Aubrac, 63100, Clermont-Ferrand
CHRU De Nancy
hépatogastroentérologie, Rue Du Morvan, 54500, Vandoeuvre Les Nancy
Centre Hospitalier Universitaire De Nice
hepato-gastro-enterologie, 151 Route De Saint Antoine, 06200, Nice
Centre Hospitalier Universitaire De Saint Etienne
hépato-gastro-entérologie, St Priest En Jarez, 25 Boulevard Pasteur, St Etienne Cedex 2
Centre Hospitalier Universitaire Rouen
hépatologie gastro-enterologie, 1 Rue De Germont, Bp 96031, Rouen Cedex
Assistance Publique Hopitaux De Paris
hépato-gastro-entérologie, Porte 23, 1 Avenue Claude Vellefaux, Paris Cedex 10

Results and documents

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

Documents 10 files

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

TypeTitleVersion
Protocol (for publication) D1_Protocol 2024-514633-38-00 6.0
Protocol (for publication) D1_Protocol V6_2024-514633-38-00_04Aug2025_TC 6.0
Recruitment arrangements (for publication) K1_Recruitment arrangements 1
Subject information and informed consent form (for publication) L1_ICF V5_2024-514633-38-00_04Aug2025_TC 5.0
Subject information and informed consent form (for publication) L1_SIS_and_ICF_PATIENT 5.0
Summary of Product Characteristics (SmPC) (for publication) G1_SmPC HUMIRA 1
Summary of Product Characteristics (SmPC) (for publication) G1_SmPC IMUREL 1
Summary of Product Characteristics (SmPC) (for publication) G1_SmPC METOJECT 1
Synopsis of the protocol (for publication) D1_Synopsis V6_2024-514633-38-00 _04AuG2025_Clean 6.0
Synopsis of the protocol (for publication) D1_Synopsis V6_2024-514633-38-00 _04AuG2025_TC 6.0

Application history

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

#TypeCodeSubmittedReference MSConclusionDecision date
1 INITIAL IN 2024-07-30 France Acceptable
2024-08-19
2024-08-20
2 SUBSTANTIAL MODIFICATION SM-1 2025-09-18 France Acceptable
2025-10-15
2025-10-15