Skip to content

JCOG2102: Randomized phase III trial of Neo-adjuvant and adjuvant chemotherapy vs Adjuvant Chemotherapy alone for LocalizEd Soft tissue Sarcoma

JCOG2102: Randomized phase III trial of Neo-adjuvant and adjuvant chemotherapy vs Adjuvant Chemotherapy alone for LocalizEd Soft tissue Sarcoma - NACLESS

Status
Recruiting
Phases
Phase 3
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCTs031220446
Enrollment
224
Registered
2022-11-16
Start date
2022-11-29
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

Resectable high grade non-round cell soft tissue sarcoma

Interventions

Arm A: Three courses of preoperative chemotherapy with adriamycin (30 mg/m2/day, day 1-2) and ifosfamide (2 g/m2/day, day 1-5) every three weeks followed by surgical resection and two courses of posto

Sponsors

TANAKA Kazuhiro
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: (1) Grade 2 or 3 (FNCLCC histological grading system) non-round cell soft-tissue sarcoma with histology of undifferentiated sarcoma (pleomorphic, spindle cell), adult fibrosarcoma, myxofibrosarcoma, leiomyosarcoma, synovial sarcoma, liposarcoma (dedifferentiated, myxoid, pleomorphic), pleomorphic rhabdomyosarcoma, malignant peripheral nerve sheath tumor, angiosarcoma (WHO classification 2020) using open biopsy specimen (2) 10 or more unstained tumor tissue slides are available (3) Primary tumor (4) Tumor in the extremities or trunk (5) T2-4N0M0 (UICC/AJCC, 8th edition) and deeply seated (localized deeper than the investing fascia, invades the investing fascia, or penetrates the investing fascia) according to the latest imaging studies (6) Having measurable lesion on MRI axial section (7) resectable with marginal or wide margin (8) Age between 16 and 70 years (9) ECOG Performance status (PS) of 0 or 1 (10) No history of chemotherapy nor radiation therapy for any cancer including NRC-STS (11) All of the following are met for the most recent laboratory findings within 14 days prior to enrollment: (i) Neutrophil count >= 1,500/mm3 (ii) Hemoglobin >= 8.0 g/dL (No blood transfusion within 14 days prior to the test used for registration) (iii) Platelet count >=100,000/mm3 (iv) Total bilirubin =60 mL/min (12) The latest ECG within 35 days prior to enrollment shows normal or no changes requiring treatment (13) Written informed consent

Exclusion criteria

Exclusion criteria: (1) Synchronous or metachronous (within 5 years) malignancies except cancer with 5-year relative survival rate of 95% or more (2) Active infection requiring systemic therapy (3) Body temperature >= 38 degrees Celsius (4) Women (possibly) in pregnancy, within 28 days postpartum, or breast feeding. Men who wish to get his partner pregnant (5) Patients with psychiatric disorders or psychiatric symptoms (6) Patients requiring systemic steroid medication (7) Poorly controlled diabetes mellitus or routine administration of insulin (8) Poorly controlled hypertension (9) Unstable angina within 3 weeks, or with a history of myocardial infarction (10) Poorly controlled valvular disease, dilated cardiomyopathy, or hypertrophic cardiomyopathy (11) Positive HBs antigen

Design outcomes

Primary

MeasureTime frame
Overall survival

Secondary

MeasureTime frame
Progression-free survival, response rate of preoperative chemotherapy, pathological response rate of preoperative chemotherapy, rate of reduction surgery, rate of extended surgery, postoperative limb function (extremities), proportion of preservation of diseased limb (extremities), adverse events, serious adverse events.

Contacts

Public ContactMasanori KAWANO

Department of Orthopaedic Surgery, Oita University

kawano@oita-u.ac.jp+81-97-586-5872

Outcome results

None listed

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