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Efficacy and Safety of Anlotinib plus Benmelstobart In Unresectable Anaplastic Thyroid Cancer: A Multicenter, Phase II, Single-arm Trial (ABATC Trial)

Efficacy and Safety of Anlotinib plus Benmelstobart In Unresectable Anaplastic Thyroid Cancer: A Multicenter, Phase II, Single-arm Trial (ABATC Trial)

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500111580
Enrollment
Unknown
Registered
2025-11-03
Start date
2025-11-05
Completion date
Unknown
Last updated
2025-11-11

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

Conditions

Anaplastic Thyroid Cancer

Interventions

Intervention group:Anlotinib plus benmelstobart treatment
BRAF positive and receiving dabrafenib and trametinib treatment as recommended by ATA guidelines:None

Sponsors

The First Affiliated Hospital, Sun Yat-sen University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Age older than 18 years; 2.With pathologically confirmed anaplastic thyroid carcinoma; 3. With measurable lesions (according to RECIST 1.1 criteria); 4. Clinically evaluated as unresectable; 5. ECOG PS score = 1.5 × 10^9/L; Platelet count >= 100 × 10^9/L; Liver and kidney functions: Serum creatinine (SCr) = 50 ml/min (Cockcroft-Gault formula); Total bilirubin (TBIL) <= 1.5 times the upper limit of normal (ULN); Aspartate transaminase (AST) or alanine transaminase (ALT) level <= 2.5 times the upper limit of normal (ULN); 7. Normal coagulation function, without active bleeding and thrombotic diseases; International normalized ratio (INR) <= 1.5 × ULN; Activated partial thromboplastin time (APTT) <= 1.5 × ULN; Prothrombin time (PT) <= 1.5 × ULN; For patients receiving therapeutic anticoagulant therapy: a stable anticoagulant treatment plan is required, and INR has been stable within 28 days before the start of the study treatment. 8. Subjects voluntarily participate in this study, have good compliance, and cooperate with safety and survival follow-up.

Exclusion criteria

Exclusion criteria: 1. Subjects with concurrent or a history of other malignant tumors (except cured basal cell carcinoma of the skin and carcinoma in situ of the cervix); 2. Known history of allergy to macromolecular protein preparations or known ingredients of the applied drugs; 3. Previous receipt of systemic anti-VEGFR drugs or anti-PD-1, anti-PD-L1 drug therapy; 4. Uncontrolled hypertension despite optimal treatment; 5. Having poorly controlled clinical cardiac symptoms or diseases; 6. Subjects with any active autoimmune disease or a history of autoimmune disease; 7. Subjects who are using immunosuppressants, or systemic or absorbable local hormone therapy for immunosuppressive purposes (prednisone dose > 10mg/day or other hormones with equivalent efficacy) and continue to use them within 2 weeks before enrollment; 8. Concomitant central nervous system metastasis; 9. Subjects with active infection or unexplained fever > 38.5 degrees during screening or before the first dose (subjects with fever caused by tumors can be enrolled as judged by the researcher); 10. Subjects with congenital or acquired immune deficiency, such as HIV ,or active hepatitis (transaminases do not meet the inclusion criteria; for hepatitis B: HBV DNA >=1000 IU/ml; for hepatitis C: HCV RNA >= 1000 IU/ml); 11. Receipt of live vaccines within 4 weeks before study drug administration or likely to be vaccinated during the study period; 12. Subjects with known history of psychotropic drug abuse, alcoholism or drug addiction; 13. Pregnant or lactating women or subjects planning to have children during the trial period; 14. Those deemed by the researcher to be excluded from the study, for example, subjects with other factors that may lead to the forced termination of the study as judged by the researcher.

Design outcomes

Primary

MeasureTime frame
Overall survival;

Secondary

MeasureTime frame
Progression-Free Survival;Objective Response Rate;Resection rate;Patient Reported Outcomes;

Countries

China

Contacts

Public ContactHaipeng Xiao

The First Affiliated Hospital, Sun Yat-sen University

xiaohp@mail.sysu.edu.cn+86 135 1276 7300

Outcome results

None listed

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