| Eligibility |
Inclusion Criteria:
1. Written informed consent granted prior to initiation of any study-specific screening
procedures
2. Biliary tract cancer, confirmed by histopathology, cytopathology is not sufficient
3. Resectable disease limited to the liver assessed by an interdisciplinary tumor board
involving a hepatobiliary surgeon; no prior systemic therapy
4. Subject is willing and able to comply with the protocol for the duration of the study
including undergoing treatment and scheduled visits and examinations including follow
up.
5. Age = 18 years
6. Performance status ECOG 0-1
7. Normal organ and bone marrow function defined as:
- Hematopoetic: absolute neutrophil count =1,500/mm3, platelet count = 100,000/mm3,
- Hemoglobin =9 g/dL
- Normal international normalized ratio (INR), PT = 1.5 x ULN and activated partial
thromboplastin time (aPTT) = 1.5 x ULN
- Hepatic: AST =5 x ULN, ALT = 5 x ULN, and bilirubin = 3.0 x ULN.
- Renal: Creatinine level =1.5 x ULN or estimated creatinine clearance = 30 mL/min
according to the Cockcroft-Gault formula (or local institutional standard method)
8. Special medical conditions and comorbidities:
- Maximum Child Pugh stage A in patients with cirrhosis
- HIV: stable on ART for at least 4 weeks, no documented evidence of multi-drug
resistance, viral load of < 400 copies/mL and CD4+ T-cells = 350 cells/µL.
- HBV infection: participant on a stable dose of antiviral therapy, HBV viral load
below the limit of quantification.
9. Women of childbearing potential must have a negative serum or highly sensitive urine
pregnancy test performed within 7 days prior to the first dose of IMP.
10. Women of childbearing potential (WOCBP) must use HIGHLY EFFECTIVE method(s) of
contraception to avoid pregnancy for the duration of study treatment and further 2
months after the last dose of IMP.
11. Male participants who are sexually active with WOCBP must agree to follow instructions
for method(s) of contraception or to abstain from sexual activity and will be
instructed to adhere to either method from the time of first dose until 125 days after
the last dose of investigational product. In addition, male subjects must be willing
to refrain from sperm donation during this time. Azoospermic men do not require
contraception.
Exclusion Criteria:
1. Metastatic disease
2. Prior surgery, systemic therapy, radiation therapy, chemoradiation, transarterial
chemoembolisation (TACE), Radiofrequency ablation (RFA) or selective intraarterial
Radiotherapy (SIRT) for treatment of CCA. NOTE: Laparoscopy for diagnostic procedures
is allowed.
3. Drug or alcohol addiction, medical or psychological condition that may interfere with
the patient´s participation in the study
4. Participation in another clinical trial with any investigational study drug (whatever
the use, curative, prophylactic or diagnostic intent) within 30 days prior to
enrollment
5. Pregnancy or breast feeding women
6. Regulatory and ethical criteria:
- Patient who has been incarcerated or involuntarily institutionalized by court
order or by the authorities [§ 40 Abs. 1 S. 3 Nr. 4 AMG].
- Patients who are unable to consent because they do not understand the nature,
significance and implications of the clinical trial and therefore cannot form a
rational intention in the light of the facts [§ 40 Abs. 1 S. 3 Nr. 3a AMG].
7. IMMUNOSUPRESSANTS: "Current use of immunosuppressive medication, EXCEPT for the
following: a. intranasal, inhaled, topical steroids, or local steroid injection (e.g.,
intra-articular injection); b. Systemic corticosteroids at physiologic doses = 10
mg/day of prednisone or equivalent; c. Steroids as premedication for hypersensitivity
reactions (e.g., CT scan premedication)."
8. AUTOIMMUNE DISEASE: "Active autoimmune disease that might deteriorate when receiving
an immuno-stimulatory agent. Patients with diabetes type I, vitiligo, psoriasis, or
hypo- or hyperthyroid diseases not requiring immunosuppressive treatment are
eligible."
9. PREVIOUS MALIGNANT DISEASE: within the last 3 years except for a.
superficial/non-invasive bladder cancer, or basal or squamous cell carcinoma in situ
treated with curative intent; b. endoscopically resected GI cancers limited to the
mucosal layer without recurrence in > 1 year.
10. INFECTIONS: "Active infection requiring systemic therapy. "
11. VACCINATION: has received or will receive a live vaccine within 30 days prior to the
first administration of study intervention. Seasonal flu vaccines that do not contain
a live virus are permitted. Locally approved COVID vaccines are permitted.
12. HYPERSENSITIIVTY TO BINTRAFUSP ALFA: "Known severe hypersensitivity [Grade = 3 NCI
CTCAE 5.0]) to investigational product bintrafusp alfa or any component in its
formulations, any history of anaphylaxis, or recent, within 5 months, history of
uncontrollable asthma.
13. CARDIOVASCULAR DISEASE: "Clinically significant (i.e., active) cardiovascular disease:
cerebral vascular accident/stroke (< 6 months prior to enrollment), myocardial
infarction (< 6 months prior to enrollment), unstable angina, congestive heart failure
(= New York Heart Association Classification Class II), or serious cardiac arrhythmia
requiring medication."
14. BLEEDING: "history of bleeding diathesis or recent major bleeding events (i.e. Grade =
2 bleeding events in the month prior treatment)
15. Other severe acute or chronic medical conditions: "including drug-induced interstitial
lung disease (ILD) or participant has had a history of drug-induced pneumonitis that
has required oral or IV steroids", and/or other diseases, which in the opinion of the
Investigator might impair the participant's tolerance for the study or ability to
consistently participate in study procedures.
16. Uncontrolled diabetes as defined by HbA1c > 10.0 %.
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