Skip to content

Study of evaluating T cells subsets and cytokines in Phase II clinical trial of Tamibarotene (AM80G) for chronic graft-versus-host disease

Study of evaluating T cells subsets and cytokines in Phase II clinical trial of Tamibarotene (AM80G) for chronic graft-versus-host disease - Th cytokine analysis in Tamibarotene administration for Chronic GVHD

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000020364
Enrollment
18
Registered
2015-12-27
Start date
2015-10-01
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

Recipients refractory or resistant chronic GVHD to therapy with corticosteroid

Interventions

blood collection (10mL, 7 times
accompanying usual blood test)

Sponsors

Okayama University Hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Patients diagnosed as chronic GVHD according to diagnostic criteria proposed by National Institutes of Health Consensus Development Project on Criteria for Clinical Trials in Chronic GVHD. 1. Aged 18 to 84 years at consent 2. Patients with Karnofsky Performance Scale of 60 or more 3. Patient or guardian willing and able to provide informed consent 4. Steroid-refractory or steroid-resistant chronic GVHD defined as: Inability to begin prednisone therapy at a dose of greater than 0.5 mg/kg/day or equivalent dose if on another steroid. (1) Progression of chronic GVHD while being treated with prednisone therapy at a dose of greater than 1 mg/kg/day for 2 weeks. (2) Failure to improve after 4 weeks while being treated with prednisone therapy at a dose of greater than 0.5 mg/kg/day for at least 2 weeks. (3) Flare of chronic GVHD while tapering of steroids. (4) steroid-dependent chronic GVHD received prednisone therapy at a dose of 10 mg/day or equivalent dose if on another steroid. 5. Stated willingness to use contraception during the study and through 2 years for wowen and 6 months for men after the final dose of study treatment.

Exclusion criteria

Exclusion criteria: 1. Mental illness which needs psychiatric medication or are judged by physician as being unsuitable 2. Active, uncontrolled infection (not responding to antibiotics, antifungal or antiviral therapies) 3. Patients with severe liver dysfunction (CTCAE ver.4.0 Grade 3 or more, excepting liver GVHD) 4. Patients with previous experience with Am80 or other retinoid in the past 12 weeks 5. Patients who are allergic or hypersensitive to Am80 or other retinoid. 6. Patients who are pregnant, patients who have possibility of being pregnant, or patients who are breastfeeding. 7. Pulmonary: DLCO <40% or FEV1% <40% 8. Patients with life expectancy of less than 6 months. 9. Patients who are enrolled in other clinical studies in the past 3 months. 10. Other patients who are judged by physician as being unsuitable

Design outcomes

Primary

MeasureTime frame
Evaluate Th1, Th17, and regulatory T cells, cytokines, and chemokines (pre-treatment, 2/4/8/12/24 weeks in treatment, and 1 year after treatment)

Countries

Japan

Contacts

Public ContactHisakazu Nishimori

Okayama University Hospital Department of Hematology and Oncology

n-mori@md.okayama-u.ac.jp086-235-7227

Outcome results

None listed

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