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Phase 1 dose-escalation, safety / tolerability and preliminary efficacy study of intratumoral and subcutaneous administration of GEN0101 in patients with recurrence of castration resistant prostate cancer

Phase 1 dose-escalation, safety / tolerability and preliminary efficacy study of intratumoral and subcutaneous administration of GEN0101 in patients with recurrence of castration resistant prostate cancer - Phase 1 study of GEN0101 in patients with recurrence of CRPC

Status
Active, not recruiting
Phases
Phase 1
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000017092
Enrollment
12
Registered
2015-04-15
Start date
2015-06-12
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

Castration resistant prostate cancer

Interventions

Sponsors

Osaka University
Lead Sponsor
ISHIHARA SANGYO KAISHA,LTD. GenomIdea,Inc.
Collaborator

Eligibility

Sex/Gender
Male

Inclusion criteria

Inclusion criteria: 1) Patients providing a written informed consent by voluntary agreement. 2) Age 20 =< and =<85 years old at the time of informed consent 3) Have a diagnosis of malignant tumor as confirmed by histology or cytology. 4) Have a diagnosis of recurrence of castration resistant prostate cancer patient and meet below the following condition - Inapplicable to the standard treatment, ineffective through the criteria of the Prostate Cancer Clinical Trials Working Group (PCWG2) or refuse the standard treatment - More than 3 weeks between the end date of the standard treatment and the registration date when the standard treatment has been ineffective 5) Serum PSA <100 ng/mL at the screening visit 6) Expected survival period is more than 8 weeks after planned start date of investigational product 7) ECOG Performance Status 0 or 1 8) Have an injectable intraprostatic lesion confirmed by histologic examination 9) The marrow function, liver function and the kidney function must be kept as follows at the screening visit (1) leukocyte >= 3,000/mcL (2) neutrophil >=1,500/mcL (3) platelet >=75,000/mcL (4) hemoglobin >=8.0 g/dL. (5) AST =<100 IU/L (6) ALT =<100 IU/L (7) total bilirubin =<2.5 mg/dL (8) serum creatinine =<2.5 mg/dL

Exclusion criteria

Exclusion criteria: 1) Have multiple brain metastases 2) Positive result of the prick test of GEN0101 3) Have serious complications such as uncontrolled active infection 4) Received systemic chemotherapy within 3 weeks before planned registration date or received radiotherapy or immunotherapy within 6 weeks before planned registration date /However the hormone therapy except for the estramustine, enzalutamide and abiraterone, bisphosphonate and anti-RANKL antigen antibody are not included in the systemic chemotherapy. 5) Received another investigational product within 4 weeks before the informed concent 6) Had a history of malignancy other than prostate cancer, except for the relapse-free and metastatis-free for more than 5 years after the last treatment at the registration 7) Have an active autoimmune disease 8)Receiving systemic administration of glucocorticosteroid which restrains immunity response, except for the administration for a long period (over 6 months) of the low dose (equivalent to under 10 mg/day oral prednisolone). 9) Had a history of the autologous or homogeneous organ or tissue transplantation (Receiving immunosuppressive medication) 10) PT(%) less than 10% of the lower limit of normal or APTT more than 1.5 times of the upper limit of normal of local reference range at the screening visit 11) Positive result of the hepatitis B surface antigen, HCV antibody or HIV test at the screening visit 12) Inappropriate to be enrolled in this study judged by the investigators

Design outcomes

Primary

MeasureTime frame
Assessment of DLT

Secondary

MeasureTime frame
1) Effect of tumor shrinkage - RECIST - Tumor marker (PSA: Prostate Specific Antigen, NSE: Neuron-specific enolase, CEA: Carcinoembryonic Antigen, CA19-9: Carbohydrate Antigen19-9) - histological evaluation 2) Induction of antitumor immunity - NK cell activity - IL-6 - IFN-gamma

Countries

Japan

Contacts

Public ContactKatsuhisa Saito

Osaka University Hospital Medical Center for Translational Research

saitokt@dmi.med.osaka-u.ac.jp06-6210-8289

Outcome results

None listed

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