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Phase I/IIa Study of Adoptive Immunotherapy Comprising 2-Methyl-3-Butenyl-1-Pyrophosphate-Stimulated Gamma Delta T Cells in Patients With PSA biochemical failure after radical prostatectomy.

Phase I/IIa Study of Adoptive Immunotherapy Comprising 2-Methyl-3-Butenyl-1-Pyrophosphate-Stimulated Gamma Delta T Cells in Patients With PSA biochemical failure after radical prostatectomy. - Phase I/IIa Study of Adoptive Immunotherapy Comprising 2-Methyl-3-Butenyl-1-Pyrophosphate-Stimulated Gamma Delta T Cells in Patients With PSA biochemical failure after radical prostatectomy.

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000006617
Enrollment
10
Registered
2011-10-28
Start date
2011-10-01
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

PSA biochemical failure after radical prostatectomy

Interventions

Patients undergo leukapheresis for the harvest of peripheral blood mononuclear cells (PBMCs). PBMCs are stimulated with 2-methyl-3-butenyl-1-pyrophosphate and aldesleukin for 14 days. Patients then re

Sponsors

Tokyo Women's Medical University
Lead Sponsor

Eligibility

Sex/Gender
Male

Inclusion criteria

Inclusion criteria: 1) Patients with histologically confirmed prostate carcinoma who had undergone radical prostatectomy 2) Patients with PSA biochemical failure and PSA<0.4ng/ml within 4 weeks before enrollment. 3) PSA doubling time is calculated and positive value before enrollment. 4) Patients who had no clinical recurrence and metastasis defined by CT and bone scintigraphy. 5) ECOG performance status 0-1 and age > 20-years old. 6) Leukocyte count ≥ 3,000/mm³ ANC ≥ 1,500/mm³ Platelet count ≥ 100,000/mm³ Serum bilirubin ≤ 1.5 mg/dL AST/ALT ≤ 2.5 times normal Serum creatinine ≤ 1.5 mg/dL LDH ≤ 1.5 times normal Teststeron>150ng/dL 8) Patients who voluntarily provided written consent to participate in this trial after having been thoroughly briefed and informed of its nature were eligible for enrollment.

Exclusion criteria

Exclusion criteria: 1) No current treatment with any anti-cancer drugs and androgen depletion therapy. 2) No hypercalcemia that require medication, No C-reactive protein with an infectious disease that requires medication, No active infection with hepatitis virus or HIV, No current treatment with steroids, No poorly controlled DM or heart failure or arrhythmia, No autoimmune disease and interstitial pneumonia, No other malignancy, No bone of organ transplant recipient, Not pregnant nor nursing, No mental disorder. 3) Other patients judged to be ineligible by the attending investigators were also excluded from the study.

Design outcomes

Primary

MeasureTime frame
Safety and efficacy: Adverts events are accessed by CTCAE ver.4.0. Efficacy is accessed by prolongation of PSA doubling time.

Countries

Japan

Outcome results

None listed

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