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Nocardia Rubra Cell Wall Skeleton in Combination With Prior Second- or Third-line Regimens for the Treatment of Potentially Hazardous Colorectal Cancer SD Status

An Open Intervention Study of Nocardia Rubra Cell Wall Skeleton in Combination With Prior Second- or Third-line Regimens for the Treatment of Potentially Hazardous Colorectal Cancer SD(Stable Disease) Status

Status
Recruiting
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT06356714
Enrollment
22
Registered
2024-04-10
Start date
2025-03-15
Completion date
2027-10-01
Last updated
2025-08-08

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

Conditions

Colorectal Cancer, Colorectal Neoplasms

Keywords

Nocardia Rubra Cell Wall Skeleton, Colorectal Cancer, Colorectal Neoplasms

Brief summary

Evaluate the efficacy and safety of Nocardia rubra cell wall skeleton in combination with prior second- or third-line regimens for the treatment of potentially hazardous colorectal cancer SD(Stable Disease) status in the real world.

Detailed description

This is a prospective interventional clinical trial investigating the efficacy and safety of Nocardia rubra cell wall skeleton in combination with prior second- or third-line regimens for the treatment of potentially hazardous colorectal cancer SD (Stable Disease) status in the real world. Enrollment requirements were patients who had received prior second- or third-line therapy for advanced or metastatic colorectal cancer and presented with a potentially harmful SD status. The potentially hazardous SD (Stable Disease) state is defined as an increase in SLD (Sum of Longest Diameters) by less than 20% according to RECIST 1.1 criteria, with an absolute increase of SLD ≤ 5mm from the nadir; a serum CEA (Carcinoembryonic Antigen) level below 10.0 ng/ml during stable disease, with two consecutive measurements of 10 ng/ml or more (with a testing interval of at least one month); or a serum CEA level of 10 ng/ml or more during stable disease, with a gradual increase in CEA after two consecutive measurements (with a testing interval of at least one month); a serum CA19-9 level below 60.0 ng/ml during stable disease, with two consecutive measurements of 60 ng/ml or more (with a testing interval of at least one month); or a serum CEA level of 60 ng/ml or more during stable disease, with a gradual increase in CEA after two consecutive measurements (with a testing interval of at least one month). Meeting any one of the above criteria can be considered as the presence of a potentially hazardous SD state.

Interventions

DRUGNocardia Rubra Cell Wall Skeleton in Combination With Prior Second- or Third-line Regimens

Nocardia Rubra Cell Wall Skeleton 200 mcg-400 mcg, 0.3 ml diluted in water for injection or lidocaine, was injected subcutaneously every 2 or 3 weeks. Efficacy was evaluated every 2 cycles according to RECIST 1.1 criteria. Patients are enrolled and given this study regimen of drugs on top of their prior second- or third-line regimen until disease progression or intolerable toxicities occur; or the patient requests to be discharged.

Sponsors

Sun Jing
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

1. Age ≥ 18 years old, gender is not limited; 2. Colorectal adenocarcinoma confirmed by pathologic histology and/or cytology and imaging; 3. Have 1 or more measurable lesions with a longest diameter of at least 10 mm as determined by spiral CT scanning; and a diameter of at least 20 mm as determined by conventional CT scanning (Criteria for the Evaluation of Efficacy in Solid Tumors, i.e., RECIST Criteria, version 1.1); 4. Prior second- or third-line therapy for advanced or metastatic colorectal cancer with potentially harmful SD status. The potentially hazardous SD (Stable Disease) state is defined as an increase in SLD (Sum of Longest Diameters) by less than 20% according to RECIST 1.1 criteria, with an absolute increase of SLD ≤ 5mm from the nadir; a serum CEA (Carcinoembryonic Antigen) level below 10.0 ng/ml during stable disease, with two consecutive measurements of 10 ng/ml or more (with a testing interval of at least one month); or a serum CEA level of 10 ng/ml or more during stable disease, with a gradual increase in CEA after two consecutive measurements (with a testing interval of at least one month); a serum CA19-9 level below 60.0 ng/ml during stable disease, with two consecutive measurements of 60 ng/ml or more (with a testing interval of at least one month); or a serum CEA level of 60 ng/ml or more during stable disease, with a gradual increase in CEA after two consecutive measurements (with a testing interval of at least one month). Meeting any one of the above criteria can be considered as the presence of a potentially hazardous SD state. 5. The general condition score of the Eastern Cooperative Oncology Group (ECOG) is 0 or 1; 6. Expected survival ≧3 months; 7. Blood, liver and kidney function within 7 days prior to screening: absolute neutrophil count ≥ 1.5 x 109 /L; hemoglobin ≥ 9.0 g/dl; platelet count ≥ 100 x 109 /L; total bilirubin ≤ 1.5 times the upper limit of normal (ULN); gammaglutaminase and gammaglutaminase ≤ 3.0 x ULN (≤ 5 x ULN for patients with hepatic metastases); alkaline phosphatase ≤ 3 x ULN. phosphatase ≤ 3 x ULN (≤ 5 x ULN in patients with liver metastases); serum creatinine ≤ 1.5 x ULN; 8. Agreed to sign the informed consent form;

Exclusion criteria

1. Allergic constitution; 2. With comorbid diabetes; 3. Active clinically severe infection; 4. Any other conditions deemed exclusionary by the investigator.

Design outcomes

Primary

MeasureTime frameDescription
Progression-free survival(PFS)1 yearTime between the start of a treatment regimen and tumor progression or death

Secondary

MeasureTime frame
Overall survival (OS)2 year
Objective remission rate (ORR)1 year
Disease Control Rate (DCR)1 year
Incidence and extent of major security incidents1 year
Quality of Life Score (QoL) for tumor patients1 year

Countries

China

Contacts

Primary ContactJing Sun
sunj@njmu.edu.com13914704178

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026