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Study on the mechanism of Bufalin inhibiting immune evasion in colon cancer by reshaping ammonia metabolism

Study on the mechanism of Bufalin inhibiting immune evasion in colon cancer by reshaping ammonia metabolism

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ITMCTR
Registry ID
ITMCTR2026000171
Enrollment
Unknown
Registered
2026-01-24
Start date
2025-12-01
Completion date
Unknown
Last updated
2026-02-02

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

Conditions

Colorectal cancer

Interventions

Group1:Enroll colorectal cancer patients undergoing clinical routine standard surgery. Collect tumor tissue and adjacent normal tissue during surgery, and peripheral blood samples before surgery and 6

Sponsors

Shanghai Putuo People's Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1. Know your diagnosis of colon cancer, have the ability to give informed consent, and have signed a written informed consent; if for objective reasons (such as cognitive impairment) need to be signed by the agent, the agent must be fully aware of the patient's condition and research information, and have the legal authority; 2. Patients aged 18-80 years, regardless of gender, were eligible for additional assessment of cardiac, pulmonary, hepatic, and renal function, with an ECOG score of 0-1, and a predicted survival of =3 months 3. The diagnosis of colon cancer by histopathology or cytology; 4. On an ECOG scale of 0-1(with little or no restriction to daily activities, or only slight restriction to free walking) ; 5. Expected survival =3 months; 6. can complete the tumor tissue or peripheral blood samples collection.

Exclusion criteria

Exclusion criteria: 1. Severe liver impairment: Alt (Alanine transaminase) or AST (aspartate transaminase) > 3 times the upper limit of normal; 2. Renal insufficiency: serum creatinine > 177 µmol/l; 3. History of myocardial infarction, heart failure, unstable angina, or current SBP > 160 mm Hg, DBP > 100 mm Hg and uncontrolled; 4. Pregnant and lactating women 5. Patients who do not know their own diagnosis of colon cancer, or can not independently know their condition due to mental illness, severe cognitive impairment, etc. , and have no legal representative; 6. Patients with mental illness who are unable to cooperate in the collection of tissue and blood samples and the research process; 7. Patients who did not sign written informed consent; 8. Severe infections, Coagulopathy, and other conditions that the researchers considered unsuitable for inclusion; 9. Participated in other anti-tumor related clinical research in recent 3 months.

Design outcomes

Primary

MeasureTime frame
HNF4A;Cd8 + T cell IFN-? secretion;Ammonia concentration in tumor tissue;

Secondary

MeasureTime frame
Expression of ammonia metabolism-related proteins (ASS1, CPS1) , (ornithine, citrulline, urea;Positive rate of PD-L1;Progression-free survival (PFS) ;Overall Survival (OS) ;

Countries

China

Contacts

Public ContactLAM YAT SU

Shanghai Putuo People's Hospital

shushua1020@163.com13166115386

Outcome results

None listed

Source: ITMCTR (via WHO ICTRP) · Data processed: Feb 7, 2026