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Clinical Trial 20794

Cancer Type: Cutaneous
Study Type: Treatment
NCT#: NCT04975152

Phase: Phase I
Principal Investigator: Tarhini, Ahmad

Call 813-745-6100
or 1-800-679-0775 Learn More

Overview

Study Title

Neoadjuvant Cemiplimab in Newly Diagnosed or Recurrent Stage I-II Merkel Cell Carcinoma and Locoregionally Advanced Cutaneous Squamous Cell Carcinoma: Safety and Biomarker Analysis

Summary

A safety and biomarker study that will enroll 30 subjects, 15 with clinical stage I-II Merkel Cell Carcinoma and 15 with locoregionally advanced CSCC either newly diagnosed or previously diagnosed and presenting with recurrent disease.

Objective

Primary: Evaluate the safety of neoadjuvant and adjuvant Cemiplimab in patients with stages I-II Merkel cell carcinoma both newly diagnosed or previously diagnosed and presenting with recurrent disease. (2) Evaluate the safety of neoadjuvant and adjuvant Cemiplimab in patients with operable locoregionally advanced CSCC both newly diagnosed or previously diagnosed and presenting with recurrent disease.

Treatments

Therapies

Immunotherapy; Surgery

Medications

Cemiplimab (); REGN2810 (Cemiplimab)

Inclusion Criteria

Histologically proven diagnosis of Merkel cell carcinoma (MCC).

Clinical stage I-II MCC (AJCC 8th edition) either newly diagnosed or previously diagnosed with recent disease recurrence. This includes patients with a previous diagnosis of clinical Stage I-II who present with local or regional disease recurrence.

Patients must be considered candidates for wide local surgical excision and may be candidates for sentinel lymph node biopsy. If sentinel biopsy is determined to not be clinically indicated then it would not be required to be completed and only the primary tumor excision would be required.

Patients with stage III or stage IV (M0) CSCC of the head/neck, extremity, or trunk, and selected patients with stage II CSC (>/=3 cm longest diameter lesion in an aesthetically sensitive region), for whom surgery is planned.

Provision of signed and dated informed consent form

Stated willingness to comply with all study procedures and availability for the duration of the study

Male or female, aged at least 18 years

ECOG performance Status of 0, 1, or 2

Adequate baseline laboratory assessments within 28 days of study registration

Patients who are HIV+ with undetectable HIV viral load are eligible.

For females of reproductive potential: use of highly effective contraception for at least 1 month prior to screening and agreement to use such a method during study participation and for an additional 6 months after the end of cemiplimab administration.

For males of reproductive potential: use of condoms or other methods to ensure effective contraception with partner

Exclusion Criteria

Concurrent malignancy other than localized CSCC and/or history of malignancy other than Merkel cell carcinoma within 3 years of date of registration on the study, except for tumors with negligible risk of metastasis or death, such as adequately treated (BCC) of the skin, carinoma in situ of the cervix, or ductal carcinoma in situ of the breast, or low-risk early stage prostate adenocarcinoma (T1-T2aN0M0 and Gleason score ≤6 and prostate-specific antigen (PSA) ≤10 ng/mL) for which the management plan is active surveillance, or prostate adenocarcinoma with biochemical-only recurrence with documented PSA doubling time of >12 months for which the management plan is active surveillance.

Patients with hematologic malignancies (eg, chronic lymphocytic leukemia [CLL]).

Ongoing or recent (within 5 years of registration date) evidence of significant autoimmune disease that required treatment with systemic immunosuppressive treatments, which may suggest risk for immune-related adverse events (irAEs). Further, patients requiring chronic immune‐suppressive therapy are excluded. The following are not exclusionary: vitiligo, childhood asthma that has resolved, type 1 diabetes, residual hypothyroidism that required only hormone replacement, or psoriasis that does not require systemic treatment.

Pregnancy or lactation.

Has participated in a study of an investigational agent or an investigational device within 4 weeks of the enrollment date.

Receipt of a live vaccine within 28 days of the registration date.

Has had prior systemic anti-cancer immunotherapy for MCC. Examples of immune modulating agents include but are not limited to blockers of CTLA-4, 4-1BB (CD137), or OX-40, therapeutic vaccines, anti-PD-1/PD-L1.

Immunosuppressive corticosteroid doses (>10 mg prednisone daily or equivalent) within 4 weeks prior to the first dose of cemiplimab/placebo.

Has received treatment with an approved anticancer systemic therapy within 4 weeks of the registration date or has not yet recovered (ie, ≤ grade 1 or baseline) from any acute toxicities except for laboratory changes as described in the inclusion criteria.

Patients with known HIV infection who have controlled infection (undetectable viral load (HIV RNA PCR) and CD4 count above 350, either spontaneously or on a stable antiviral regimen) are permitted. For patients with controlled HIV infection, monitoring will be performed per local standards.

Patients with HBV (hepatitis B surface antigen positive; HepBsAg+) who have controlled infection (serum HBV DNA PCR that is below the limit of detection AND receiving anti- viral therapy for HBV) are permitted. Patients with controlled infections must undergo periodic monitoring of HBV DNA. Patients must remain on anti-viral therapy for at least 6 months beyond the last dose of investigational study drug.

History of immune related pneumonitis within the last 5 years

History of interstitial lung disease (eg, idiopathic pulmonary fibrosis, organizing pneumonia) or active, noninfectious pneumonitis that required immune-suppressive doses of glucocorticoids to assist with management. A history of radiation pneumonitis in the radiation field is permitted as long as pneumonitis resolved ≥6 months prior to the registration date

History of documented allergic reactions or acute hypersensitivity reaction attributed to antibody treatments.

Known hypersensitivity or allergy to any of the excipients in the cemiplimab drug product.

Patients with a history of solid organ transplant (exception: patients with prior corneal transplant are not excluded).

Other criteria apply

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