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A Study to Evaluate the Safety and Efficacy of AJM300 in Participants With Active Ulcerative Colitis

Phase 3
Completed
Conditions
Colitis, Ulcerative
Interventions
Drug: Placebo
Registration Number
NCT03531892
Lead Sponsor
EA Pharma Co., Ltd.
Brief Summary

The study will investigate the efficacy and safety of an oral dose of AJM300 960 milligram (mg)/dose administered three times daily for 8 weeks in participants with active ulcerative colitis.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
198
Inclusion Criteria
  1. Participants diagnosed with ulcerative colitis.

  2. Participants with moderate ulcerative colitis who satisfy all of the following criteria at Day of enrollment.

    1. Mayo Clinic scores of 6-10 .
    2. Endoscopic subscore greater than or equal to (>=) 2.
    3. Rectal bleeding subscore >=1.
  3. Participants with inadequate response or intolerant to oral 5-ASA

  4. Participants who are capable of providing written informed consent

Major

Exclusion Criteria
  1. Participants with extensive detachment of mucosa or deep ulcer.

  2. Participants with oral corticosteroid dependency.

  3. Participants with a complication of marked reduction of immune function.

  4. Participants who were clinically suspected to have a complication of infectious enteritis.

  5. Participants with a history or complication of serious infection within 1 year prior to the day of enrollment.

  6. Participants with central nervous system (CNS) neurological symptoms.

  7. Participants with the following criteria:

    • Serious heart disease
    • Renal impairment
    • Hepatic impairment
  8. Participants with a history of serious drug induced allergy with unknown cause.

  9. Participants with malignant tumor or those whose treatments were completed in less than 5 years.

  10. Participants with apparent psychological signs.

  11. Pregnant women, nursing women, women with suspected pregnancy, women who wish to become pregnant during the period from informed consent through to the end of observation/examination at Week 8, and women who do not consent to the use of appropriate birth control methods.

  12. Participants who are definitely eligible for surgical intervention such as large bowel perforation, major bleeding, and toxic megacolon syndrome, etc.

  13. Participants who are participants of another clinical study including follow-up observation at the time of informed consent.

  14. Participants who received another investigational drug within 12 weeks prior to the examinations/observation defined by the protocol.

  15. Participants who received investigational drugs in the study of AJM300.

  16. Participants determined to be ineligible for participation in this study by the investigator or sub-investigator.

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
PlaceboPlaceboParticipants will orally receive AJM300 placebo-matching tablets, three times daily after meals for 8 weeks.
AJM300 960mg/doseAJM300Participants will orally receive AJM300 960 mg tablets, three times daily after meals for 8 weeks.
Primary Outcome Measures
NameTimeMethod
Clinical Response Rate Based on Mayo ScoreAt Week 8

Clinical response rate is defined by the percentage of participants who satisfy the combined definition of the change of the total value of Mayo score and the change or the actual value of individual subscales. Mayo score is used in clinical trials to assess ulcerative colitis (UC) disease activity. It consists of 4 subscales: stool frequency, rectal bleeding, findings on endoscopy and physician's global assessment. Each subscale is scored on a scale of 0 to 3, where 0= normal condition and 3= severe disease condition. The total Mayo score ranges from 0 to 12, with higher scores indicating more severe disease.

Secondary Outcome Measures
NameTimeMethod
Clinical Remission Rate Based on Mayo ScoreAt Week 8

Clinical remission rate is defined by the percentage of participants with Mayo score \<=2 and no subscore greater than (\>) 1.

Mucosal Healing RateAt Week 8

Mucosal healing rate is defined by the percentage of participants with Mayo endoscopic subscore \<=1.

Change From Baseline in Fecal CalprotectinBaseline, Week 8
Complete Mucosal Healing RateAt Week 8

Complete mucosal healing rate is defined by the percentage of participants with Mayo endoscopic subscore =0.

Modified Clinical Remission Rate 2At Week 8

Modified Clinical remission rate 2 is defined by the percentage of participants who satisfies the three conditions such as: rectal bleeding subscore =0, a decrease in the stool frequency subscore of at least 1 point or an absolute stool frequency subscore of 0 or 1 and Endoscopic subscore \<=1.

Percentage of Rectal Bleeding Subscore of 0At Week 8

Percentage of rectal bleeding subscore of 0 means the percentage of participants with rectal bleeding score =0.

Change From Baseline in Partial Mayo ScoreBaseline, Week 8

Partial Mayo score is used in clinical trials to assess UC disease activity. It consists of 3 subscales: stool frequency, rectal bleeding and physician's global assessment. Each subscale is scored on a scale of 0 to 3, where 0= normal condition and 3= severe disease condition. The total Mayo score ranges from 0 to 9, with higher scores indicating more severe disease.

Change From Baseline in Peripheral Blood White Blood Cell (WBC) Differentiation (Neutrophil, Eosinophil, Basophil, Lymphocyte, and Monocyte Counts)Baseline, Week 8
Clinical Response Rate Based on Partial Mayo ScoreAt Week 8

Clinical response rate is defined by the percentage of participants who satisfy the combined definition of the change of the total value of partial Mayo score and the change or the actual value of individual subscales. Partial Mayo score is used in clinical trials to assess UC disease activity. It consists of 3 subscales: stool frequency, rectal bleeding and physician's global assessment. Each subscale is scored on a scale of 0 to 3, where 0= normal condition and 3= severe disease condition. The total partial Mayo score ranges from 0 to 9, with higher scores indicating more severe disease.

Modified Clinical Remission Rate 1At Week 8

Modified Clinical remission rate 1 is defined by percentage of participants who satisfies the three conditions such as: rectal bleeding subscore =0, Stool frequency subscore =0 and Endoscopic subscore \<=1.

Change From Baseline in Mayo scoreBaseline, Week 8

Mayo score is used in clinical trials to assess UC disease activity. It consists of 4 subscales: stool frequency, rectal bleeding, findings on endoscopy and physician's global assessment. Each subscale is scored on a scale of 0 to 3, where 0= normal condition and 3= severe disease condition. The total Mayo score ranges from 0 to 12, with higher scores indicating more severe disease.

Clinical Remission Rate Based on Partial Mayo ScoreAt Week 8

Clinical remission rate is defined by the percentage of participants with partial Mayo score \<=2 and no subscore \>1.

Trial Locations

Locations (82)

AJM300/CT3 trial site 57

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Nagoya, Aichi, Japan

AJM300/CT3 trial site 9

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Toyoake, Aichi, Japan

AJM300/CT3 trial site 79

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Akashi, Hyogo, Japan

AJM300/CT3 trial site 45

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Sendai, Miyagi, Japan

AJM300/CT3 trial site 78

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Sendai, Miyagi, Japan

AJM300/CT3 trial site 56

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Minato, Tokyo, Japan

AJM300/CT3 trial site 52

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Shinjuku, Tokyo, Japan

AJM300/CT3 trial site 23

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Kofu, Yamanashi, Japan

AJM300/CT3 trial site 63

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Nagoya, Aichi, Japan

AJM300/CT3 trial site 42

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Toyota, Aichi, Japan

AJM300/CT3 trial site 54

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Urayasu, Chiba, Japan

AJM300/CT3 trial site 35

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Fukuyama, Hiroshima, Japan

AJM300/CT3 trial site 18

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Asahikawa, Hokkaido, Japan

AJM300/CT3 trial site 26

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Asahikawa, Hokkaido, Japan

AJM300/CT3 trial site 4

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Sapporo, Hokkaido, Japan

AJM300/CT3 trial site 64

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Nishinomiya, Hyogo, Japan

AJM300/CT3 trial site 19

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Morioka, Iwate, Japan

AJM300/CT3 trial site 12

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Kamakura, Kanagawa, Japan

AJM300/CT3 trial site 16

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Takamatsu, Kagawa, Japan

AJM300/CT3 trial site 75

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Tsukuba, Ibaraki, Japan

AJM300/CT3 trial site 32

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Sagamihara, Kanagawa, Japan

AJM300/CT3 trial site 13

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Yokohama, Kanagawa, Japan

AJM300/CT3 trial site 46

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Yokkaichi, Mie, Japan

AJM300/CT3 trial site 22

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Nagaoka, Nigata, Japan

AJM300/CT3 trial site 77

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Higashiosaka, Osaka, Japan

AJM300/CT3 trial site 76

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Osakasayama, Osaka, Japan

AJM300/CT3 trial site 40

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Ageo, Saitama, Japan

AJM300/CT3 trial site 29

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Shimotsuga, Tochigi, Japan

AJM300/CT3 trial site 71

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Utsunomiya, Tochigi, Japan

AJM300/CT3 trial site 61

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Bunkyo, Tokyo, Japan

AJM300/CT3 trial site 66

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Minato, Tokyo, Japan

AJM300/CT3 trial site 80

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Mitaka, Tokyo, Japan

AJM300/CT3 trial site 38

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Shinagawa, Tokyo, Japan

AJM300/CT3 trial site 44

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Chiba, Japan

AJM300/CT3 trial site 36

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Hiroshima, Japan

AJM300/CT3 trial site 74

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Hiroshima, Japan

AJM300/CT3 trial site 43

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Fukuoka, Japan

AJM300/CT3 trial site 27

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Toyama, Japan

AJM300/CT3 trial site 51

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Kashiwa, Chiba, Japan

AJM300/CT3 trial site 73

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Sakura, Chiba, Japan

AJM300/CT3 trial site 53

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Kurume, Fukuoka, Japan

AJM300/CT3 trial site 81

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Matsuyama, Ehime, Japan

AJM300/CT3 trial site 55

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Isesaki, Gunma, Japan

AJM300/CT3 trial site 34

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Kobe, Hyogo, Japan

AJM300/CT3 trial site 14

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Sagamihara, Kanagawa, Japan

AJM300/CT3 trial site 6

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Yokohama, Kanagawa, Japan

AJM300/CT3 trial site 47

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Tsu, Mie, Japan

AJM300/CT3 trial site 50

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Sendai, Miyagi, Japan

AJM300/CT3 trial site 70

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Kurashiki, Okayama, Japan

AJM300/CT3 trial site 17

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Hamamatsu, Shizuoka, Japan

AJM300/CT3 trial site 60

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Ashikaga, Tochigi, Japan

AJM300/CT3 trial site 30

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Chuo, Tokyo, Japan

AJM300/CT3 trial site 31

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Hachioji, Tokyo, Japan

AJM300/CT3 trial site 21

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Shinjuku, Tokyo, Japan

AJM300/CT3 trial site 8

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Shūnan, Yamaguchi, Japan

AJM300/CT3 trial site 58

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Fukuoka, Japan

AJM300/CT3 trial site 69

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Fukuoka, Japan

AJM300/CT3 trial site 67

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Gifu, Japan

AJM300/CT3 trial site 28

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Hiroshima, Japan

AJM300/CT3 trial site 7

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Kyoto, Japan

AJM300/CT3 trial site 62

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Kyoto, Japan

AJM300/CT3 trial site 1

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Osaka, Japan

AJM300/CT3 trial site 37

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Oita, Japan

AJM300/CT3 trial site 65

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Okayama, Japan

AJM300/CT3 trial site 25

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Saga, Japan

AJM300/CT3 trial site 48

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Nagasaki, Japan

AJM300/CT3 trial site 20

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Saga, Japan

AJM300/CT3 trial site 41

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Nagoya, Aichi, Japan

AJM300/CT3 trial site 49

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Hirosaki, Aomori, Japan

AJM300/CT3 trial site 24

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Tikushino, Fukuoka, Japan

AJM300/CT3 trial site 2

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Sapporo, Hokkaido, Japan

AJM300/CT3 trial site 82

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Kasama, Ibaraki, Japan

AJM300/CT3 trial site 15

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Kurashiki, Okayama, Japan

AJM300/CT3 trial site 5

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Ageo, Saitama, Japan

AJM300/CT3 trial site 68

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Bunkyo, Tokyo, Japan

AJM300/CT3 trial site 33

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Toyohashi, Aichi, Japan

AJM300/CT3 trial site 39

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Hirosaki, Aomori, Japan

AJM300/CT3 trial site 11

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Kashiwa, Chiba, Japan

AJM300/CT3 trial site 3

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Sapporo, Hokkaido, Japan

AJM300/CT3 trial site 10

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Takatsuki, Osaka, Japan

AJM300/CT3 trial site 72

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Tokorozawa, Saitama, Japan

AJM300/CT3 trial site 59

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Chiyoda, Tokyo, Japan

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