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About
This is a multicenter, multi-arm trial evaluating anti-tumor activity, safety, and immune infiltration of IO102-IO103 in combination with pembrolizumab KEYTRUDA® as neoadjuvant and post-surgery treatment. This proof-of-concept trial will include patients with resectable tumors in at least 2 indications.
Full description
This is a multicenter, multi-arm trial evaluating anti-tumor activity, safety, and immune infiltration of IO102-IO103 in combination with pembrolizumab KEYTRUDA® as neoadjuvant and post-surgery treatment. Approximately 60 patients with melanoma or SCCHN will be included (approximately 15 for each indication).During the neoadjuvant period, patients in cohort A, cohort B and Cohort C (Arm A) will receive IO102-IO103 and pembrolizumab KEYTRUDA® Q3W. Patients in Cohort C (Arm B) will receive pembrolizumab KEYTRUDA® Patients with melanoma will receive 3 doses of neoadjuvant treatment. Patients with SCCHN will receive 2 or 3 doses of neoadjuvant treatment, at the investigator's discretion. Surgical resection will be performed 1 to 3 weeks after the last dose of neoadjuvant treatment. All patients in cohort A,B and Cohort C (Arm A)will receive post-surgery treatment with IO102-IO103 and pembrolizumab KEYTRUDA® for a total of 15 cycles (up to 45 weeks). Patients in Cohort C (Arm B) will receive post-surgery treatment with pembrolizumab KEYTRUDA® for a total of 15 cycles (up to 45 weeks).
Patients with melanoma and patients with SCCHN who do not require SOC RT ± cisplatin will start post-surgery treatment after adequate recovery from surgery (approximately 1 to 2 months; no more than 12 weeks).Patients with SCCHN who require postoperative SOC therapy after surgery will start post-surgery IO102-IO103 and pembrolizumab KEYTRUDA® after adequate recovery from SOC therapy (approximately 1 to 2 months; no more than 12 weeks).
Objective response will be based on imaging; pathologic tumor response of the surgical specimens will be assessed at the time of surgery. Safety will be assessed by recording adverse events. The primary endpoint will be the percentage of patients with major pathologic response (MPR) in the resected tumor tissue after neoadjuvant treatment. Secondary endpoints include disease-free survival (DFS) at 2 years after surgery. All patients will have an end-of-treatment visit approximately 4 weeks after their last dose of trial treatment. Follow-up visits will be conducted at 6 and 12 months after the end-of-treatment visit. Following completion of the 12-month follow-up period, long-term follow-up for overall survival (OS) will be conducted every 6 months for at least a further 12 month.
Enrollment
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Volunteers
Inclusion and exclusion criteria
Melanoma-specific inclusion criteria:
• Histologically or cytologically confirmed diagnosis of cutaneous stage III melanoma according to the American Joint Committee on Cancer (AJCC) 8th edition.
Patients with resectable tumors are eligible for this trial either at presentation for primary melanoma with concurrent regional nodal metastasis or at the time of clinically detected nodal recurrence; they may belong to any of the following groups:
SCCHN-specific inclusion criteria:
• Stage III or IVA resectable locoregionally advanced SCCHN of the oral cavity, oropharynx (with known HPV-negative or p16-negative status assessed per institution standard or centrally), hypopharynx, or larynx.
Inclusion criteria applicable across cohorts:
In addition to the indication-specific inclusion criteria, a patient must meet all the following general criteria to be eligible for participation in this trial:
Measurable disease based on Response Evaluation Criteria In Solid Tumors (RECIST) 1.1
Candidate for surgical resection with curative intent
The patient (or legally acceptable representative if applicable) provides written informed consent for the trial.
Age ≥18 years on the day of signing the informed consent form
Have provided archival tumor tissue sample or newly obtained core or excisional biopsy of a tumor lesion not previously irradiated. Formalin-fixed, paraffin embedded (FFPE) tissue blocks are preferred to slides.
Eastern Cooperative Oncology Group (ECOG) performance score status of 0 or 1
Adequate organ function as defined below performed on screening labs obtained within 4 weeks before first dose:
Women of childbearing potential: Negative urine or serum pregnancy within 72 hours prior to receiving the first dose of trial medication. If the urine test is positive or cannot be confirmed as negative, a serum pregnancy test will be required.
Women of childbearing potential: Willing to use highly effective contraception or abstain from heterosexual activity for the duration of the trial and for at least 120 days after the last dose of trial medication
HIV-infected patients must be on anti-retroviral therapy (ART) and have a well-controlled HIV infection/disease defined as:
a Patients on ART must have a CD4+ T-cell count >350 cells/mm3 at time of screening b Patients on ART must have achieved and maintained virologic suppression defined as confirmed HIV RNA level below 50 copies/mL or the lower limit of qualification (below the limit of detection) using the locally available assay at the time of screening and for at least 12 weeks prior to first dose of trial medication (Day 1) c Patients on ART must have been on a stable regimen, without changes in drugs or dose modification, for at least 4 weeks prior to first dose of trial medication (Day 1) 11. Patients who are hepatitis B surface antigen (HBsAg) positive are eligible if they have received hepatitis B (HBV) antiviral therapy for at least 4 weeks and have undetectable HBV viral load prior to start of trial intervention.
Note: Patients should remain on anti-viral therapy throughout trial intervention and follow local guidelines for HBV anti-viral therapy after completion of trial intervention.
Hepatitis B screening tests are not required unless:
Note: Patients must have completed curative antiviral therapy at least 4 weeks prior to start of trial intervention.
Hepatitis C screening tests are not required unless:
Melanoma-specific exclusion criteria:
SCCHN-specific exclusion criteria:
• Nasopharyngeal cancer, unknown primary, nasal cavity or paranasal sinus carcinoma
Exclusion criteria applicable across cohorts:
In addition, patients meeting any of the following criteria must be excluded:
Currently participating in or has participated in a trial of an investigational agent or has used an investigational device within 4 weeks of the first dose of trial treatment Note: Patients who have entered the follow-up phase of an investigational trial may participate as long as it has been 4 weeks after the last dose of the previous investigational agent.
Any prior treatment for the tumor under study
Prior therapy for another tumor with an anti-PD-1, anti-PD-L1, or anti-PD-L2 agent or with an agent directed to another stimulatory or co-inhibitory T-cell receptor (e.g., CTLA-4, OX40, CD137), and discontinued from that treatment due to a grade 3 or higher immune-related adverse event (irAE)
Prior chemotherapy, targeted small molecule therapy, or radiation therapy within 2 weeks prior to first dose of trial treatment
Live or live-attenuated vaccine within 30 days prior to the first dose of trial treatment. Note: Administration of inactivated vaccines, mRNA-based vaccines [e.g., COVID-19] and vector-based vaccines are allowed.
Diagnosis of immunodeficiency or receiving systemic steroid therapy or any other form of immunosuppressive therapy within 7 days prior to the first dose of trial treatment. Patients who are currently receiving steroids at a dose equivalent to <5 mg/day of prednisone do not need to discontinue steroids prior to enrollment. Patients who require topical, ophthalmologic and inhalational steroids will not be excluded from the trial. Patients with hypothyroidism stable on hormone replacement or Sjögren's syndrome will not be excluded from the trial.
Additional malignancy that is progressing or requires active treatment. Exceptions include basal cell carcinoma of the skin, squamous cell carcinoma of the skin, or in situ cervical cancer that has undergone potentially curative therapy.
History of an allogeneic tissue/solid organ transplant.
Active autoimmune disease that has required systemic treatment in past 2 years (i.e., with use of disease modifying agents, corticosteroids or immunosuppressive drugs). Patients with type I diabetes mellitus; hypothyroidism only requiring hormone replacement; skin disorders (such as vitiligo, psoriasis, or alopecia) not requiring systemic treatment; or conditions not expected to recur in the absence of an external trigger are permitted to enroll.
History of radiation pneumonitis
History of (non-infectious) pneumonitis/interstitial lung disease that required steroids or has current pneumonitis/interstitial lung disease
Active infection requiring systemic therapy
HIV-infected patients with a history of Kaposi sarcoma and/or Multicentric Castleman Disease
Has known active hepatitis B virus (HBV; defined as hepatitis B surface antigen [HBsAg] reactive and/or detectable HBV DNA) or known active hepatitis C virus (HCV) (defined as anti HCV Ab positive and detectable HCV ribonucleic acid [RNA] [qualitative]) infection.
Note: Testing for hepatitis B and hepatitis C is not required unless
History or current evidence of any condition, therapy, or laboratory abnormality that might confound the results of the trial, interfere with the patient's participation for the full duration of the trial, or is not in the best interest of the patient to participate, in the opinion of the treating investigator
Psychiatric or substance abuse disorders that would interfere with the patient's ability to cooperate with the trial requirements
Severe hypersensitivity (grade ≥3) to pembrolizumab and/or any of its excipients
Primary purpose
Allocation
Interventional model
Masking
60 participants in 3 patient groups
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Central trial contact
Diane McDowell SVP, Clinical Development and Medical Affairs, MD; Shane O'Neill Clinical Program Director
Data sourced from clinicaltrials.gov
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