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A phase I/II study of OJP-001 in patients with adult T-cell leukemia/lymphoma

A phase I/II study of OJP-001 for recurrent or relapsed adult T-cell leukemia/lymphoma patients with peripheral blood tumor.

Status
Recruiting
Phases
Phase 2
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2071240003
Enrollment
49
Registered
2024-04-03
Start date
2024-04-01
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

Adult T-cell leukemia/lymphoma

Interventions

[Phase I part] Patients will receive 5-ALA administered orally once. After administration of 5-ALA, patients will receive OJP-001 once. Dosage of 5-ALA: 10 mg/kg (1st cohort), 20 mg/kg (2nd cohort), 4

Sponsors

Shiobara Noriyuki
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) Hematocytologically or pathohistologically proven adult T-cell leukemia/lymphoma with positivity of anti-HTLV-1 antibody (Aggressive subtypes: acute, lymphoma type, or chronic type with unfavorable factor) 2) Age: 20-85 3) Meeting the any following criteria for screening *Relapsed or recurrent ATL have history of treatment with mogamulizumab *At least one regimen of chemotherapy in case of intolerance/contraindication for mogamulizumab 4) Having peripheral blood lesion 5) ECOG performance status: 0-2 6) T-Bil: =< ULNx2, AST and ALT: =< ULNx2.5 7) Expected more than 3 months of survival

Exclusion criteria

Exclusion criteria: 1) Body Weight 470ms at screening 18) Uncontrolled intercurrent infection 19) Pregnant or nursing women 20) During participated in other clinical trials 21) Other inadequate conditions determined by investigators 22) In phase II part: subjects who registrated in phase I part of this trial

Design outcomes

Primary

MeasureTime frame
Phase I part: dose limiting toxicity Phase II part: response rate (best overall response)

Secondary

MeasureTime frame
Phase I part: pharmacokinetics, safety, response in the peripheral blood lesions Phase II: response rate, survival rate, overall survival rate, overall survival, response rate in each lesion, response duration, disease control rate, time to response, progression free survival, response in the peripheral blood lesions

Contacts

Public ContactNoriyuki Shiobara

JIMRO Co., Ltd.

jimro-pdt_chiken@otsuka.jp+81-3-3469-9351

Outcome results

None listed

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