Anti-PD-1 and mDCF Followed by Chemoradiotherapy in Patients With Stage III Squamous Cell Anal Carcinoma. (INTERACT-ION)

  • STATUS
    Recruiting
  • End date
    Jul 5, 2025
  • participants needed
    55
  • sponsor
    Centre Hospitalier Universitaire de Besancon
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Updated on 16 May 2022
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Summary

Squamous cell carcinoma of the anus (SCCA) is a rare cancer, however its incidence is increasing worldwide. SCCA is mostly induced by human papillomavirus (HPV) infections (high-risk types such as HPV-16 and -18) and HPV-related oncoproteins (E6 and E7) are expressed in more than 90% of cases. T stage and N stage are recognized prognostic factors for local and/or distant recurrence in SCCA patients treated by CRT. In fact, ≥T3 or ≥N1 anal cancers are associated with as high as 50% disease recurrence rate at 2 years.

Since 1996 when concomitant radiotherapy and MMC (mytomicin C) and 5-FU-based chemotherapy demonstrated superiority to radiotherapy alone, no significant progress has been achieved in patients with locally advanced SCCA. Still, phase III study by James et al. reported in 2013 showed that prognosis of SCCA patients treated with this regimen can be improved probably due to a better tumor classification, more precise radiological methods, known as "Will Rogers phenomenon".

Based on the above, investigators have designed this phase II trial assessing the feasibility and efficacy of Ezabenlimab (BI 754091) and mDCF chemotherapy combination followed by:

  • standard chemoradiotherapy in case of low response to induction treatment (<30% by RECIST criteria) or
  • additional 2 cycles of mDCF and 1 cycle of Ezabenlimab (BI 754091) followed by hypofractionated radiotherapy in case of high response (≥ 30% by RECIST criteria)

in SCCA patients with high-risk locally advanced (stage III) disease.

In summary, the first innovative aspect of this research program is to provide a valuable proof of concept study evaluating the feasibility to combine radiotherapy, chemotherapies (docetaxel, cisplatin and 5-fluorouracil) and Ezabenlimab (BI 754091) in patients with stage III squamous cell anal carcinoma. INTERACT-ION study will provide evidence that Ezabenlimab (BI 754091) acts in synergy with mDCF to improve complete response rate, and both with hypofractionated radiotherapy to improve the disease-free survival enhancing TH1 and CD8 T cell immunity.

Details
Condition Squamous Cell Carcinoma of the Anus Stage III
Treatment biopsy, Blood sample collection
Clinical Study IdentifierNCT04719988
SponsorCentre Hospitalier Universitaire de Besancon
Last Modified on16 May 2022

Eligibility

 Yes No Not Sure

Inclusion Criteria

Signed and dated informed consent
Age ≥18 years
Ability to comply with the study protocol in the Investigator's judgment
Performance status ECOG-WHO ≤ 1
Histologically proved squamous cell anal carcinoma
Locally advanced disease defined as
Stage III (TxN1 or T4N0). Lymph node can be considered positive if one of the following criteria is satisfied
Enlargement (largest short-axis diameter > 1 cm for mesorectal nodes, and > 1.5 cm for other nodes) OR
Heterogeneity or necrosis OR
Irregular contours OR
Strong enhancement at magnetic resonance imaging (MRI) OR
Positivity on positron emission tomography (PET) scan
Patient eligible to the mDCF regimen
Computed tomography (CT) scan performed within 30 days prior inclusion
MRI of pelvis performed within 30 days prior inclusion
PET scan performed within 30 days prior inclusion
Adequate hematologic and end-organ function: defined by the following laboratory test results obtained within 7 days prior to initiation of study treatment
Absolute neutrophil count (ANC) ≥ 1.5 X 109/L (1500/µL)
Platelet count ≥ 100 X 109/L (100.000/µL) without transfusion
Hemoglobin ≥ 90 g/L (9g/dL); previous transfusion is allowed
Aspartate aminotransferase (AST), and alanine aminotransferase (ALT) ≤ 2.5 X upper limit of normal (ULN), (≤ 5 X upper limit of normal (ULN) if known liver metastases)
Serum bilirubin ≤ 2.5 X ULN (except patients with known Gilbert disease and serum bilirubin level ≤ 3 X ULN)
Creatinine clearance (CrCl) > 60 ml/min (by the Modification of Diet in Renal Disease [MDRD], Cockroft formula, or chronic kidney disease [CKD] formula])
Serum albumin ≥ 25 g/L (2.5 g/dL)
For patients not receiving therapeutic anticoagulation: International normalized ratio (INR) or activated partial thromboplastin time (PTT) ≤ 1.5 X ULN
Patient affiliated to or beneficiary of French social security health insurance system

Exclusion Criteria

Previously received chemotherapy or pelvic radiotherapy
Previously received anti-tumor immunotherapy (HPV vaccination is allowed)
Metastatic disease
Diagnosis of additional malignancy within 3 years prior to the inclusion date with the exception of curatively treated basal cell carcinoma of the skin and/or curatively resected in situ cervical or breast cancer
Patient with any medical or psychiatric condition or disease, which would make the patient inappropriate for entry into this study
Current participation in a study of an investigational agent or in the period of exclusion
Pregnancy, breast-feeding or absence/refusal of adequate contraception for fertile patients during the period of treatment and for 6 months from the last treatment administration; men must refrain from donating sperm during this same period. In addition, men who are sexually active with woman of childbearing potential will be instructed to adhere to contraception for a period of 7 months after the last treatment administration
Female participants of childbearing potential and male participants with partners of childbearing potential must agree to use a highly effective method of birth control (i.e., pregnancy rate of less than 1% per year) during the study, A woman is considered to be of childbearing potential if she is postmenarcheal, has not reached a postmenopausal state (≥ 12 continuous months of amenorrhea with no identified cause other than menopause), and has not undergone surgical sterilization (removal of ovaries and/or uterus)
Contraceptive methods that result in a low failure rate when used consistently and correctly include methods such as combined hormonal contraception associated with inhibition of ovulation (oral, intravaginal, transdermal), progestogen-only hormonal contraception associated with inhibition of ovulation (oral, injectable, implantable), some intrauterine devices, intrauterine hormone-releasing stem, true sexual abstinence (when this is in line with the preferred and usual lifestyle of the participant), bilateral tubal occlusion, or a female partner who is not of childbearing potential or a male partner who has had a vasectomy. Women and female partners using hormonal contraceptive must also use a barrier method i.e. condom or occlusive cap (diaphragm or cervical/vault caps)
Patient under guardianship, curatorship, or under the protection of justice
Inadequate organ functions: uncontrolled cardiac condition, known cardiac failure, unstable coronaropathy, respiratory failure, and chronic obstructive pulmonary disease
Diabetes with vascular or neurovascular complications
Preexistent peripheral neuropathy or impaired audition
HIV positive with CD4 count under 400/mm3 (HIV test is mandatory before inclusion)
Active hepatitis B virus (HBV) or active hepatitis C virus (HCV) infection (chronic or acute), defined as having a positive hepatitis B surface antigen (HBsAg) test at screening. Patients with a past or resolved HBV infection, defined as having a negative HBsAg test and a positive total HBV core antibody (HBcAb) test at screening, are eligible for the study. Active hepatitis C virus (HCV) infection, defined as having a positive HCV antibody test followed by a positive HCV RNA test at screening. The HCV RNA test will be performed only for patients who have a positive HCV antibody test
Active tuberculosis
Concomitant treatment with CYP3A4 inhibitor like ritonavir, indinavir, ketoconazole, etc
Known hypersensitivity or contraindication to any of the study chemotherapy drugs (taxanes, cisplatin, 5-FU, mitomycin, capecitabine) and dihydro pyrimidine dehydrogenase (DPD) deficit
Uncontrolled infection or another life-risk condition
Known hearing impairment that contraindicates cisplatin administration
Administration of a (attenuated) live vaccine within 28 days of planned start of study therapy of known need for this vaccine during treatment
Administration of prophylactic phenytoin
Inadequate laboratory values: MDRD CrCl < 60 ml/min, neutrophil count < 1500/mm3, platelets < 100.000/mm3, bilirubin 2.5 x ULN, AST/ALT 2.5 x ULN
Previous major surgery (requiring general anesthesia) within 28 days of enrollment
Any immunosuppressive therapy (i.e. corticosteroids > 10 mg of hydrocortisone or equivalent dose) within 14 days before the planned start of study therapy
Active autoimmune disease that has required a systemic treatment in past 2 years (i.e. corticosteroids or immunosuppressive drugs). Replacement therapy (e.g. thyroxine, insulin) is allowed
Prior allogeneic bone marrow transplantation or prior solid organ transplantation
Known active central nervous system metastases and/or carcinomatous meningitis. Subject with previously treated brain metastases and with radiological and clinical stability are allowed
Previously received an anti-PD-1, anti-PD-L1, or anti-CTLA4 (Cytotoxic T-Lymphocyte Associated Protein 4) agent
Known hypersensitivity or allergy to Chinese hamster ovary cell products or any component of Ezabenlimab (BI 754091) formulation
History of colorectal inflammatory disease
History of idiopathic or secondary pulmonary fibrosis (History of radiation pneumonitis in the radiation field fibrosis is permitted), or evidence of active pneumonitis requiring a systemic treatment with 28 days before the planned start of study therapy
History of severe hypersensitivity reactions to others mAbs
History of Chronic colorectal inflammatory disease (Ulcerative colitis, Crohn's disease)
History of connective disease
History of autoimmune diseases
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