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Combination of high-throughput sequencing and primary cell culture as an exploratory study of individualized treatment of malignant tumors: phase 2 clinical trial of sintilimab for retroperitoneal dedifferentiation of liposarcoma

Efficacy and safety of neoadjuvant sintilimab monotherapy versus sintilimab combined with epirubicin/ifosfamide in patients with surgically resectable retroperitoneal dedifferentiated liposarcoma: an open-label, randomized, two arms phase 2 trial

Status
Active, not recruiting
Phases
Early Phase 1
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2000028961
Enrollment
Unknown
Registered
2020-01-09
Start date
2020-02-15
Completion date
Unknown
Last updated
2020-01-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

retroperitoneal dedifferentiated liposarcoma

Interventions

Arm A:Neoadjuvant sintilimab monotherapy
Arm B:Neoadjuvant sintilimab combined with epirubicin and/or ifosfamide

Sponsors

Department of Urology, Shanghai Changhai Hospital, the Second Military Medical University, Shanghai, China
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 75 Years

Inclusion criteria

Inclusion criteria: 1. Adult subjects >= 18 years old 2. ECOG score as 0,1,2 3. Must be immunotherapy-na?ve 4. Treatment-na?ve primary or locally recurrent RP DDLPS 5. Patients having received previous standard chemotherapy for another malignancy are eligible after a 28-day wash-out period 6. RP DDLPS evaluate to be surgically resectable and are candidates for subsequent surgery as agreed upon by multidisciplinary agreement 7. Must be suitable to perform surgery medically 8. Recent imaging within 4 weeks of trial enrollment, demonstrating measure disease as defined by RECIST 1.1 9. Must have at least one tumor amenable to serial biopsy in clinic or be willing to perform serial biopsies through image-guided procedures during the neoadjuvant phase of the trial 10. Patients must have organ/marrow function as defined below: a. WBC > 3 K/µL, ANC > 1 K/µL b. hemoglobin > 9 g/dL c. platelets > 1000 K/mm3 d. serum creatinine 50 mL/min e. AST < 1.5 x upper limit of normal, ALT < 1.5 x upper limit of normal, bilirubin < 1.5 x upper limit of normal.

Exclusion criteria

Exclusion criteria: 1. Active, known, or suspected autoimmune disease; 2. Condition requiring systemic treatment with corticosteroids (>10 mg daily prednisone equivalents) or other immunosuppressive medications within 14 days of study pharmacotherapy; 3. Known history of testing positive for HIV or known acquired immunodeficiency syndrome; 4. Acute or chronic infection indicated by any positive test results for hepatitis B or C virus; 5. Previous intraabdominal surgery within 4 weeks of trial enrollment; 6. Previous chemotherapy for treatment of the sarcoma under consideration for resection or radiation therapy for sarcoma in the same area; 7. Active concurrent second malignancy; 8. Current use of anticoagulants at therapeutic levels; 9. Recurrence based on imaging in 3 weeks after preoperative treatment.

Design outcomes

Primary

MeasureTime frame
Major pathology response rate;

Secondary

MeasureTime frame
the changes of imaging;PFS and OS time;the comparison of efficacy of two groups;biomarkers;

Countries

China

Contacts

Public ContactChen Rui

Department of Urology, Changhai Hospital

drchenrui@foxmail.com+86 13764301103

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026