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Tumor Discovery                                                Adjuvant immunotherapy in high-risk melanoma




            Table 2. Baseline population characteristics
            Characteristics                      n = 95 (%)
            Age (years)
             Median (range)                    67.0 (24.0 – 92.0)
            Sex
             Female                            30 (31.6)
             Male                              65 (68.4)
            AJCC 8  ed..ition stage
                 th
             IIIA                              7 (7.4)
             IIIB                              27 (28.4)
             IIIC                              47 (49.5)
             IV                                14 (14.7)
            Molecular status
             Mutant                            27 (28.4)
                                                               Figure 1. Types of primary surgical treatment
             Wildtype                          53 (55.8)       Abbreviations:  CLND:  Completion  lymph  node  dissection;
             Unknown                           15 (15.8)       SLNB: Sentinel lymph node biopsy; WLE: Wide local excision.
            Melanoma subtype
             Cutaneous                         87 (91.5)
             Occult primary                    6 (6.3)
             Acral                             1 (1.1)
             Unknown                           1 (1.1)
            Patients treated with:
             Pembrolizumab                     8
             Nivolumab                         87
            Abbreviation: AJCC: American Joint Committee on Cancer.

              The median duration of treatment was 8.6  months,
            whereas the median follow-up was 11.4 months. Around   Figure 2. Reasons for stopping treatment
            one-third of patients (n = 30; 31.6%) were still receiving
            immunotherapy at the end of the data collection phase,
            while 65 patients (68.4%) had already stopped treatment.
            3.3. Efficacy
            Figure 3 displays OS at 24 months, in patients with local
            disease recurrence and distant recurrence (hazard ratio
            [HR]: 0.75; 95% CI: 0.318 – 1.764; P > 0.05).

              The 24-month OS rate was 95% (Figure  4), with
            a median OS time not yet reached. In our cohort,
            4  patients (3.8%) died, with three deaths attributed
            to melanoma. The RFS and DRFS rates were 73%.
            Overall, the median time to recurrence was 3.3 months.
            Specifically, distant recurrence occurred at a median   Figure  3. 24  months of overall survival in local and distant disease
            of 3.5 months, while melanoma local recurrence had a   recurrence groups
            median of 2.9 months.
                                                               experienced both local and distant recurrence. After
              Recurrence occurred in 19 patients (20%). Among these   recurrence, 8 patients (8.4%) were treated with systemic
            cases, 7 patients (7.3%) had local recurrence, 10 patients   therapy,  6  patients (6.3%)  had  both  local  and  systemic
            (10.5%) had distant recurrence, and 2  patients (2.1%)   therapy, 4 patients (4.2%) had only local therapy, and only



            Volume 3 Issue 3 (2024)                         4                                 doi: 10.36922/td.3143
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