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Phase Ib study of Valproic Acid (VPA) and 13-cis-RA(isotretinoin) combination therapy for advanced and recurrent neuroblastoma.

Phase Ib study of Valproic Acid (VPA) and 13-cis-RA(isotretinoin) combination therapy for advanced and recurrent neuroblastoma. - Phase Ib of VPA + 13-cis-RA for advanced and reccurent neuroblastoma.

Status
Active, not recruiting
Phases
Phase 1
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000010834
Enrollment
15
Registered
2013-05-29
Start date
2013-05-29
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

advanced and recurrent neuroblastoma

Interventions

Fourteen-days oral administration of 13-cis RA every 28 days repeated up to 6 cycles, and concurrent with daily administration of VPA orally to maintained the target concentration.

Sponsors

National Cancer Research Center Hospital Division of Pediatric Oncology
Lead Sponsor
National cacncer center
Collaborator

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1.neuroblastoma(historical) 2.The following status of patients completing standard treatment a. Recurrence, after 2nd-line chemotherapy. b. Stage2 or 3 with residual disease c. Stage4 3. Prior history of autologous hematopoietic stem cell transplantation. 4. No prior history of allogeneic hematopoietic stem cell transplantation. 5. More than 7 days after chemotherapy which has hematological DLT. 6. More than 7 days after chemotherapy which has non-hematological DLT 7. More than 21 days after radiation therapy 8.More than 14 days after surgery 9.More than 14 days after 13-cis-RA 10. More than 7 days after erythrocyte or platelet transfusion 11.PS>=50% 12.Any organ function is maintained. 13.No oxygen demand is needed 14.no difficulty to take 15mm capsule. 15.legal adult:written informed consent. 16.16 years and over,but, no legal adult: written informed consent from both patient and legal guardian. 17.15 years and under: written informed consent from legal guardian.

Exclusion criteria

Exclusion criteria: 1. active double cancer(synchronous double cancer and metachronous double cancer within 5 disease -free years),excluding carcinoma In situ(lesions equal to Intraepithelial or intramucosal Cancer)judged to have been cured with local treatment. 2. active infection requiring systemic medication. 3. abnormality in electrocardiogram tested within 28 days,requiring intervention. 4. respiratory or heart disorder requiring oxygen supply,except from malignant pleural effusion. 5. women during pregnancy or breast-feeding. 6. Psychosis.

Design outcomes

Primary

MeasureTime frame
MTD(maximum tolerated dose)

Secondary

MeasureTime frame
DLT(Identification and generating rate) Adverse events profile VPA(target serum concentration ) Response rate Progression free survival Overall survival Proportion of the patients who complete all six courses for all registered. Pharmacokinetics

Countries

Japan

Contacts

Public ContactNaoko Yasui

National Cancer Research Center Division of Pediatric Oncology

nyasui@ncc.go.jp03-3542-2511

Outcome results

None listed

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