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Study of Combination Therapy of Adalimumab and an Immunomodulator for Crohn's Disease(Diamond study)

Study of Combination Therapy of Adalimumab and an Immunomodulator for Crohn's Disease(Diamond study) - Study of Combination Therapy of Adalimumab and an Immunomodulator for Crohn's Disease(Diamond study)

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000005146
Enrollment
200
Registered
2011-02-25
Start date
2011-03-01
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Crohn&#39

Interventions

Administration of Adalimumab 160 mg at baseline, 80 mg at 2 weeks and 40 mg every 2 weeks. In addition to Adalimumab Therapy, co-administration of 25-100mg Azathioprine once a day.Fixed dosage of Azat

Sponsors

Department of Internal Medicine, School of Medicine, Keio University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Moderate or severe (CDAI220-450) patients with CD who has not ever received anti-TNF antibodies or immunomodulators before.

Exclusion criteria

Exclusion criteria: (1)Adalimumab contraindication 1)Patients with severe infection (Sepsis, etc) 2)Patients with active tuberculosis 3)Patients with history of hypersensitivity to any of the other ingredients of Adalimumab 4)Patients with demyelinating disease (Multiple sclerosis, etc) or with history of demyelinating disease 5)Patients with congestive heart failure (2)Azathioprine contraindication 1)Patients with history of hypersensitivity to any of the other ingredients of Azathioprine 2)Patients with the number of leukocytes ≤ 3000/mm3 3)Pregnant or likely to be pregnant women (3)Pregnant or lactating women (4)Patients < 20 years of age (5)Patients not approving the study consent (6)Patients who have ever received anti-TNF antibodies before (7)Patients who have received immunomodulators like Azathioprine, 6-mercaptopurine, Tacrolimus and Methotrexate (8)Patients with malignancy (9)Patients in 6 months after surgery (10)Patients with short bowel syndrome (11)Patients judged as inadequate at the discretion of physicians

Design outcomes

Primary

MeasureTime frame
Remission(CDAI<150) rate at 26 weeks.

Secondary

MeasureTime frame
Remission rate at each observational period, Clinical Response70 (CR70) and Clinical Response100 (CR100). Mucosal healing rate at 26 weeks and 52 weeks. Deep remission rate at 26 weeks and 52 weeks Loss of response(Exacerbation) rate Adalimumab blood concentration and AAA Incidence rate at 26 weeks. Incidence of adverse events. Others.

Countries

Japan

Contacts

Public ContactTakayuki Matsumoto

Iwate Medial University Division of Gastroenterology, Department of Medicine

tmatsumo@iwate-med.ac.jp019-651-5111

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026