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Phase-IIa-Studie zur Bewertung von AZD7798 bei Morbus Crohn (AMALTHEA)

9. November 2026 aktualisiert von: AstraZeneca

Eine doppelblinde, placebokontrollierte Phase-IIa-Studie zur Bewertung der Wirksamkeit und Sicherheit von AZD7798 bei Patienten mit mittelschwerem bis schwerem Morbus Crohn

This is a randomised, double-blind, parallel group, placebo-controlled Phase IIa study designed to evaluate the efficacy and safety of AZD7798 in participants with moderate to severe Crohn's disease.

Studienübersicht

Status

Aktiv, nicht rekrutierend

Bedingungen

Intervention / Behandlung

Studientyp

Interventionell

Einschreibung (Tatsächlich)

120

Phase

  • Phase 2

Kontakte und Standorte

Dieser Abschnitt enthält die Kontaktdaten derjenigen, die die Studie durchführen, und Informationen darüber, wo diese Studie durchgeführt wird.

Studienorte

  • Argentinien
      • CABA, Argentinien, C1025ABI
        • Research Site
      • CABA, Argentinien, 1125
        • Research Site
      • Ciudad Autonoma de Bs As, Argentinien, C1013AAB
        • Research Site
      • Ciudad de Buenos Aires, Argentinien, 1128
        • Research Site
      • San Miguel de Tucumán, Argentinien, 4000
        • Research Site
  • Australien
      • Adelaide, Australien, 5000
        • Research Site
      • Box Hill, Australien, 3128
        • Research Site
      • Fitzroy, Australien, 3065
        • Research Site
      • Melbourne, Australien, 3004
        • Research Site
      • Wollongong, Australien, 2500
        • Research Site
  • Belgien
      • Leuven, Belgien, 3000
        • Research Site
  • Brasilien
      • Campinas, Brasilien, 13092133
        • Research Site
      • Jaú, Brasilien, 17201-130
        • Research Site
      • Porto Alegre, Brasilien, 90035-903
        • Research Site
      • Santo André, Brasilien, 09080-110
        • Research Site
      • São José do Rio Preto, Brasilien, 15090-000
        • Research Site
      • São Paulo, Brasilien, 04077020
        • Research Site
  • Bulgarien
      • Gorna Oryahovitsa, Bulgarien, 5100
        • Research Site
      • Sofia, Bulgarien, 1784
        • Research Site
      • Sofia, Bulgarien, 1680
        • Research Site
  • Chile
      • Santiago, Chile, 8330034
        • Research Site
      • Santiago, Chile, 7500010
        • Research Site
      • Santiago, Chile, 7691236
        • Research Site
      • Viña del Mar, Chile, 2540488
        • Research Site
  • China
      • Beijing, China, CN-100730
        • Research Site
      • Chengdu, China, 610041
        • Research Site
      • Guangzhou, China, 510080
        • Research Site
      • Guangzhou, China, 510655
        • Research Site
      • Hangzhou, China, 310016
        • Research Site
      • Nanchang, China, 330006
        • Research Site
      • Nanjing, China, 210029
        • Research Site
      • Wuhan, China, 430030
        • Research Site
  • Deutschland
      • Berlin, Deutschland, 14163
        • Research Site
      • Potsdam, Deutschland, 14467
        • Research Site
      • Ulm, Deutschland, 89081
        • Research Site
  • Frankreich
      • Montpellier, Frankreich, 34090
        • Research Site
      • Pierre-Bénite, Frankreich, 69495
        • Research Site
  • Italien
      • Milan, Italien, 20132
        • Research Site
      • Milan, Italien, 20157
        • Research Site
      • Roma, Italien, 00152
        • Research Site
      • Rome, Italien, 00168
        • Research Site
  • Japan
      • Hiroshima, Japan, 734-8551
        • Research Site
      • Kashiwa-shi, Japan, 277-0871
        • Research Site
      • Kure-shi, Japan, 737-8505
        • Research Site
      • Minatoku, Japan, 108-8642
        • Research Site
      • Nagasaki, Japan, 852-8501
        • Research Site
      • Nagoya, Japan, 466-8560
        • Research Site
      • Sakura-shi, Japan, 285-8741
        • Research Site
      • Sapporo, Japan, 060-8543
        • Research Site
      • Sendai, Japan, 980-8574
        • Research Site
  • Kanada
    • Alberta
      • Lethbridge, Alberta, Kanada, T1J4G9
        • Research Site
  • Malaysia
      • Johor Bahru, Malaysia, 80100
        • Research Site
      • Kota Bharu, Malaysia, 15586
        • Research Site
      • Kota Kinabalu, Malaysia, 88200
        • Research Site
      • Kuala Lumpur, Malaysia, 59100
        • Research Site
      • Kuching, Malaysia, 93586
        • Research Site
  • Niederlande
      • Amsterdam, Niederlande, 1081 HZ
        • Research Site
  • Polen
      • Bydgoszcz, Polen, 85-229
        • Research Site
      • Chojnice, Polen, 89-600
        • Research Site
      • Krakow, Polen, 30-363
        • Research Site
      • Lublin, Polen, 20-582
        • Research Site
      • Poznan, Polen, 60-529
        • Research Site
      • Poznan, Polen, 61-731
        • Research Site
      • Sopot, Polen, 81-756
        • Research Site
      • Warsaw, Polen, 00-189
        • Research Site
      • Warsaw, Polen, 04-501
        • Research Site
      • Wroclaw, Polen, 53-149
        • Research Site
  • Rumänien
      • Bucharest, Rumänien, 020125
        • Research Site
      • Cluj-Napoca, Rumänien, 400380
        • Research Site
      • Timișoara, Rumänien, 300002
        • Research Site
  • Schweden
      • Linköping, Schweden, 58185
        • Research Site
      • Stockholm, Schweden, 11630
        • Research Site
  • Slowakei
      • Košice, Slowakei, 04013
        • Research Site
      • Nitra, Slowakei, 94901
        • Research Site
      • Prešov, Slowakei, 08001
        • Research Site
      • Trnava, Slowakei, 91702
        • Research Site
  • Spanien
      • Barcelona, Spanien, 08022
        • Research Site
      • Seville, Spanien, 41013
        • Research Site
  • Südafrika
      • Assagay, Südafrika, 3610
        • Research Site
      • Plumstead, Südafrika, 7800
        • Research Site
  • Taiwan
      • New Taipei City, Taiwan, 24352
        • Research Site
      • Taichung, Taiwan, 40447
        • Research Site
      • Taipei, Taiwan, 10002
        • Research Site
      • Taoyuan, Taiwan, 333
        • Research Site
  • Türkei (türkiye)
      • Ankara, Türkei (türkiye), 6500
        • Research Site
      • Ankara, Türkei (türkiye), 06800
        • Research Site
      • Antalya, Türkei (türkiye), 07100
        • Research Site
      • Izmir, Türkei (türkiye), 35100
        • Research Site
      • Malatya, Türkei (türkiye), 44280
        • Research Site
      • İzmit, Türkei (türkiye), 41000
        • Research Site
  • Ukraine
      • Chernivtsі, Ukraine, 58022
        • Research Site
      • Kiev, Ukraine, 02000
        • Research Site
      • Kyiv, Ukraine, 03680
        • Research Site
      • Kyiv, Ukraine, 04210
        • Research Site
      • Ternopil, Ukraine, 46000
        • Research Site
      • Vinnytsia, Ukraine, 21009
        • Research Site
      • Vinnytsia, Ukraine, 21001
        • Research Site
  • Ungarn
      • Békéscsaba, Ungarn, 5600
        • Research Site
      • Gyöngyös, Ungarn, 3200
        • Research Site
  • Vereinigte Staaten
    • Arizona
      • Phoenix, Arizona, Vereinigte Staaten, 85054
        • Research Site
    • California
      • Escondido, California, Vereinigte Staaten, 92025
        • Research Site
      • La Jolla, California, Vereinigte Staaten, 92037
        • Research Site
    • Florida
      • Orlando, Florida, Vereinigte Staaten, 32825
        • Research Site
    • Idaho
      • Idaho Falls, Idaho, Vereinigte Staaten, 83404
        • Research Site
    • Kansas
      • Kansas City, Kansas, Vereinigte Staaten, 66160
        • Research Site
    • Michigan
      • Clinton Township, Michigan, Vereinigte Staaten, 48038
        • Research Site
    • Missouri
      • St Louis, Missouri, Vereinigte Staaten, 63156
        • Research Site
    • North Carolina
      • Asheville, North Carolina, Vereinigte Staaten, 28803
        • Research Site
      • Charlotte, North Carolina, Vereinigte Staaten, 28204
        • Research Site
    • Pennsylvania
      • Uniontown, Pennsylvania, Vereinigte Staaten, 15401
        • Research Site
    • Texas
      • Garland, Texas, Vereinigte Staaten, 75044
        • Research Site
      • San Antonio, Texas, Vereinigte Staaten, 78229
        • Research Site
  • Vietnam
      • Hanoi, Vietnam, 100000
        • Research Site
      • Ho Chi Minh City, Vietnam, 700000
        • Research Site
      • Hà Nội, Vietnam, 100000
        • Research Site
      • Hồ Chí Minh, Vietnam, 700000
        • Research Site

Teilnahmekriterien

Forscher suchen nach Personen, die einer bestimmten Beschreibung entsprechen, die als Auswahlkriterien bezeichnet werden. Einige Beispiele für diese Kriterien sind der allgemeine Gesundheitszustand einer Person oder frühere Behandlungen.

Zulassungskriterien

Studienberechtigtes Alter

18 Jahre bis 80 Jahre (Erwachsene, Älterer Erwachsener)

Akzeptiert gesunde Freiwillige

Nein

Studienberechtigte Geschlechter

Alle

Beschreibung

Inclusion Criteria:

  1. 18 to 80 years of age.

  2. Diagnosis of Crohn's disease established with verifiable clinical, AND at least one of imaging, endoscopic and/or histopathologic evidence.

  3. Moderate to severe active Crohn's disease.

  4. Ileal/ileocecal (L1), colonic (L2), or ileocolonic (L3) disease, as classified based on the localisation of active inflammation.

  5. Capable of giving signed informed consent.

  6. A history of at least one of:

    1. Intolerance or inadequate response to conventional treatment (oral corticosteroid, azathioprine, 6-mercaptopurine, or methotrexate), biologics, or other approved advanced therapy (eg, JAK inhibitors) OR
    2. Corticosteroid dependency (defined as inability to taper below budesonide 6 mg/day or prednisolone 10 mg/day equivalent dosing without recurrent active disease) for the treatment of Crohn's disease.

Exclusion Criteria:

  1. Evidence, or clinical suspicion, of other forms of IBD or concomitant additional active gastrointestinal luminal inflammatory diseases.

  2. Symptomatic strictures or bowel stenoses, or strictures preventing passage of endoscope throughout the colon (including at screening endoscopy).

  3. Any complications of Crohn's disease where surgery is anticipated or planned prior to end of study treatment.

  4. Evidence of extensive prior gastrointestinal surgical interventions.

  5. Within 3 months prior to screening endoscopy visit:

    1. History of toxic megacolon
    2. Diagnosis of peritonitis or need for treatment of peritonitis
    3. Bowel perforation or evidence of obstruction.

  6. All intrabdominal abscesses are excluded. Cutaneous and perianal/perirectal abscesses and fistulae are excluded unless adequately drained at least 4 weeks prior to screening endoscopy visit with no anticipation for surgery prior to end of study treatment.

  7. Ongoing or expected nutritional dependency on total enteral or parenteral nutrition during study.

  8. Evidence of an increased risk of colorectal cancer.

  9. Symptomatic oral Crohn's disease within one year.

  10. Any of the following treatments within the specified time period prior to screening endoscopy visit

    1. An anti-TNF biologic within 8 weeks prior to screening endoscopy visit
    2. Any biologic targeting immune response other than an anti-TNF within 12 weeks prior to screening endoscopy visit
    3. Other advanced small molecule treatments for Crohn's disease within 4 weeks prior to screening endoscopy visit
    4. Cyclosporine, mycophenolate mofetil, sirolimus (rapamycin), thalidomide, or tacrolimus (FK-506) within 4 weeks prior to screening endoscopy visit
    5. Treatment with apheresis within 4 weeks prior to screening endoscopy visit
    6. Administration of any live vaccine within 4 weeks prior to screening endoscopy visit to end of study
    7. Faecal microbiota transplantation within 4 weeks prior to screening endoscopy visit
    8. Lymphocyte-depleting treatment within 12 months prior to screening endoscopy visit
    9. Any previous exposure to AZD7798.

  11. Any initiation or changes in dosing of the following medications prior to screening endoscopy visit as outlined: (a) 5-aminosalicylates within 2 weeks (b) Oral corticosteroids within 2 weeks or stable doses of steroids exceeding the following dose equivalents: (i) Systemic steroids > 20 mg/day or prednisolone equivalent (ii) Steroids with limited systemic effects (eg, budesonide and beclomethasone), exceeding maximum budesonide dose equivalent (9 mg/day) (c) Immunomodulators within 4 weeks (d) Antibiotic therapy for the treatment of Crohn's disease (e) Probiotics within 2 weeks.

  12. Chronic use of nonsteroidal anti-inflammatory drugs.

  13. Evidence of recent or currently active infection, including use of IV or oral antibiotics for documented infection within 30 days prior to screening endoscopy visit.

  14. Evidence of chronic HBV or HCV.

  15. History of TB (active or latent) unless an appropriate course of treatment has been completed.

  16. Positive diagnostic TB test at screening.

  17. History of serious opportunistic infection within 12 months prior to screening endoscopy visit.

  18. CMV colitis within previous 12 months prior to screening endoscopy visit.

  19. Positive C. difficile toxin stool test at screening.

  20. Symptomatic herpes zoster infection within 3 months prior to screening endoscopy.

  21. Any identified immunodeficiency.

  22. Abnormal laboratory results at screening suggesting participation may be unsafe, which will prevent the patient from completing the study, or will interfere with the interpretation of the study results.

  23. Reproduction:

    1. Pregnant and breastfeeding patients, or those planning to breastfeed during the study
    2. FOCBP unless completely abstinent or using a highly effective contraception and barrier method of contraception.

  24. Prolonged QTcF interval.

  25. Clinically significant cardiovascular conditions.

  26. Current malignancy or history of malignancy.

  27. Current significant major or unstable respiratory disease, heart disease, cerebrovascular disease, haematological disease, hepatic disease, renal disease, gastrointestinal disease or other major disease other than active Crohn's disease.

  28. Current enrolment in another interventional study or treatment with any investigational drug within 4 months prior to screening endoscopy visit.

  29. Unstable lifestyle factors.

  30. Patients committed to an institution by virtue of an order issued either by the judicial or the administrative authorities.

  31. Investigator concerns regarding patient's willingness and ability to attend all study visits, comply with the study procedures, read in order to complete questionnaires, or to complete the study period

Studienplan

Dieser Abschnitt enthält Einzelheiten zum Studienplan, einschließlich des Studiendesigns und der Messung der Studieninhalte.

Wie ist die Studie aufgebaut?

Designdetails

  • Hauptzweck: Behandlung
  • Zuteilung: Zufällig
  • Interventionsmodell: Parallele Zuordnung
  • Maskierung: Vervierfachen

Waffen und Interventionen

Teilnehmergruppe / Arm
Intervention / Behandlung
Placebo-Komparator: Placebo

Placebo
Sonstiges: Placebo

Placebo
Experimental: AZD7798

AZD7798
Arzneimittel: AZD7798

AZD7798

Was misst die Studie?

Primäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
CDAI remission
Zeitfenster: Week 12

Crohn's Disease Activity Index (CDAI) is a research tool used to quantify the symptoms of patients with Crohn's disease. It is based on: number of loose stools, abdominal pain, general well-being, extraintestinal complications, antidiarrheal agents used in the previous 7 days, abdominal mass felt on palpation, hematocrit and body weight
Week 12

Sekundäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Endoscopic response
Zeitfenster: Week 12

Simple Endoscopic Score for Crohn's Disease (SES-CD) is based on the evaluation of five defined bowel segments (rectum, sigmoid + descending colon, transverse colon, ascending colon, and terminal ileum), and in these segments the presence and size of ulcerations and the extent of the inflammatory area and stenosis are assessed
Week 12
Endoscopic remission
Zeitfenster: Week 12

Simple Endoscopic Score for Crohn's Disease (SES-CD) is based on the evaluation of five defined bowel segments (rectum, sigmoid + descending colon, transverse colon, ascending colon, and terminal ileum), and in these segments the presence and size of ulcerations and the extent of the inflammatory area and stenosis are assessed
Week 12
Endoscopic score change from baseline
Zeitfenster: Week 12

Simple Endoscopic Score for Crohn's Disease (SES-CD) is based on the evaluation of five defined bowel segments (rectum, sigmoid + descending colon, transverse colon, ascending colon, and terminal ileum), and in these segments the presence and size of ulcerations and the extent of the inflammatory area and stenosis are assessed
Week 12
CDAI response
Zeitfenster: Week 12

Crohn's Disease Activity Index (CDAI) is a research tool used to quantify the symptoms of patients with Crohn's disease. It is based on: number of loose stools, abdominal pain, general well-being, extraintestinal complications, antidiarrheal agents used in the previous 7 days, abdominal mass felt on palpation, hematocrit and body weight
Week 12
CDAI score change from baseline
Zeitfenster: Week 12

Crohn's Disease Activity Index (CDAI) is a research tool used to quantify the symptoms of patients with Crohn's disease. It is based on: number of loose stools, abdominal pain, general well-being, extraintestinal complications, antidiarrheal agents used in the previous 7 days, abdominal mass felt on palpation, hematocrit and body weight
Week 12
Symptomatic remission
Zeitfenster: Week 12

Decrease of average daily stool frequency and average daily abdominal pain
Week 12
Serum AZD7798 concentration
Zeitfenster: Up to 85 days

Serum AZD7798 concentration (PK)
Up to 85 days
Incidence of anti-drug antibody response
Zeitfenster: Up to 36 weeks

Incidence of anti-drug antibody (ADA) response - number and percentages with a positive ADA result
Up to 36 weeks
Titre of anti-drug antibody response
Zeitfenster: Up to 36 weeks

Titre of anti-drug antibody (ADA) response - immunogenicity titre will be summarized descriptively as a continuous variable, only for ADA positive tests
Up to 36 weeks

Mitarbeiter und Ermittler

Hier finden Sie Personen und Organisationen, die an dieser Studie beteiligt sind.

Sponsor

AstraZeneca

Studienaufzeichnungsdaten

Diese Daten verfolgen den Fortschritt der Übermittlung von Studienaufzeichnungen und zusammenfassenden Ergebnissen an ClinicalTrials.gov. Studienaufzeichnungen und gemeldete Ergebnisse werden von der National Library of Medicine (NLM) überprüft, um sicherzustellen, dass sie bestimmten Qualitätskontrollstandards entsprechen, bevor sie auf der öffentlichen Website veröffentlicht werden.

Haupttermine studieren

Studienbeginn (Tatsächlich)

28. August 2024

Primärer Abschluss (Tatsächlich)

30. April 2026

Studienabschluss (Geschätzt)

14. Mai 2027

Studienanmeldedaten

Zuerst eingereicht

8. Mai 2024

Zuerst eingereicht, das die QC-Kriterien erfüllt hat

4. Juni 2024

Zuerst gepostet (Tatsächlich)

10. Juni 2024

Studienaufzeichnungsaktualisierungen

Letztes Update gepostet (Tatsächlich)

10. November 2026

Letztes eingereichtes Update, das die QC-Kriterien erfüllt

9. November 2026

Zuletzt verifiziert

1. November 2026

Mehr Informationen

Begriffe im Zusammenhang mit dieser Studie

Schlüsselwörter

Zusätzliche relevante MeSH-Bedingungen

Andere Studien-ID-Nummern

  • D9690C00005

Plan für individuelle Teilnehmerdaten (IPD)

Planen Sie, individuelle Teilnehmerdaten (IPD) zu teilen?

JA

Beschreibung des IPD-Plans

Qualified researchers can request access to anonymized individual patient-level data from AstraZeneca group of companies sponsored clinical trials via the request portal Vivli.org. All requests will be evaluated as per the AZ disclosure commitment: https://astrazenecagrouptrials.pharmacm.com/ST/Submission/Disclosure.

Yes, indicates that AZ are accepting requests for IPD, but this does not mean all requests will be shared.

IPD-Sharing-Zeitrahmen

AstraZeneca will meet or exceed data availability as per the commitments made to the EFPIA PhRMA Data Sharing Principles. For details of our timelines, please rerefer to our disclosure commitment at https://astrazenecagrouptrials.pharmacm.com/ST/Submission/Disclosure.

IPD-Sharing-Zugriffskriterien

When a request has been approved AstraZeneca will provide access to the anonymized individual patient-level data via secure research environment Vivli.org. Signed Data Usage Agreement (non-negotiable contract for data accessors) must be in place before accessing requested information.

Art der unterstützenden IPD-Freigabeinformationen

  • STUDIENPROTOKOLL
  • SAFT

Arzneimittel- und Geräteinformationen, Studienunterlagen

Studiert ein von der US-amerikanischen FDA reguliertes Arzneimittelprodukt

Ja

Studiert ein von der US-amerikanischen FDA reguliertes Geräteprodukt

Nein

Diese Informationen wurden ohne Änderungen direkt von der Website clinicaltrials.gov abgerufen. Wenn Sie Ihre Studiendaten ändern, entfernen oder aktualisieren möchten, wenden Sie sich bitte an register@clinicaltrials.gov. Sobald eine Änderung auf clinicaltrials.gov implementiert wird, wird diese automatisch auch auf unserer Website aktualisiert .

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