| E.1 Medical condition or disease under investigation | 
| E.1.1 | Medical condition(s) being investigated  | 
| locally advanced or metastatic solid tumor malignancies, platinum resistant ovarian cancer, post-anti-pd-1 melanoma, second line or later cervical cancer, neoadjuvant melanoma and neoadjuvant non-small cell lung cancer | 
 
 
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| E.1.1.1 | Medical condition in easily understood language  | 
| Locally Advanced or Metastatic Solid Tumor Malignancies | 
 
 
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| E.1.1.2 | Therapeutic area  | Diseases [C] - Cancer [C04] | 
| MedDRA Classification | 
| E.1.2 Medical condition or disease under investigation | 
| E.1.2 | Version  | 24.1 | 
 
| E.1.2 | Level  | PT | 
 
| E.1.2 | Classification code  | 10085681 | 
 
| E.1.2 | Term  | Carbohydrate antigen 242 | 
 
| E.1.2 | System Organ Class  | 10022891 - Investigations | 
 
 
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| E.1.3 | Condition being studied is a rare disease  |  No  | 
| E.2 Objective of the trial | 
| E.2.1 | Main objective of the trial  | 
− The main objective of Part 1 and 2 was to evaluate the safety and tolerability, and define the Maximum Tolerated Dose (MTD) and Recommended Phase 2 Dose (RP2D) of TransCon IL-2 β/γ alone or in combination with pembrolizumab − The main objective of Part 3 is to evaluate the safety and tolerability of TransCon IL-2 β/γ at RP2D as monotherapy and in combination with pembrolizumab, standard of care (SOC) chemotherapy, or TransCon TLR7/8 Agonist, or in combination with pembrolizumab and SOC chemotherapy | 
 
 
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| E.2.2 | Secondary objectives of the trial  | 
- To evaluate the antitumor activity of TransCon IL-2 β/γ alone or in combination with pembrolizumab, SOC chemotherapy, or TransCon TLR7/8 Agonist, or in combination with pembrolizumab and SOC chemotherapy - To characterize the plasma pharmacokinetics (PK) of TransCon IL-2 β/γ and Free IL-2 β/γ alone or in combination with pembrolizumab, SOC chemotherapy, or TransCon TLR7/8 Agonist, or in combination with pembrolizumab and SOC chemotherapy | 
 
 
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| E.2.3 | Trial contains a sub-study  |  No  | 
| E.3 | Principal inclusion criteria  | 
-Participants must be at least 18 years of age at the time of signing the informed consent; -Capable of giving signed informed consent;  -Archival or newly obtained formalin-fixed tissue of tumor specimen:       -Part 3, Cohort 3, 4 and 5: A tumor biopsy sample must be provided at baseline unless deemed unfeasible. A fresh biopsy is preferred, but archival tissue is also acceptable.       -Part 3, Cohorts 6a-c and 7: archival tissue or newly obtained formalin-fixed tumor tissue;  -Demonstrated adequate organ function at screening drawn within 28 days prior to C1D1; -Life expectancy >12 weeks as determined by the Investigator; -For women of childbearing potential: agreement to remain abstinent. -Part 3 ECOG: 0 or 1 Cohort 3,  -Histologic or cytologic documentation of epithelial ovarian cancer, primary peritoneal cancer, or fallopian tube cancer. Carcinosarcoma, sarcoma, mucinous ovarian cancer, or low-grade serous histologies are excluded; -Must have platinum-resistant ovarian cancer; -participants must be appropriate candidates for treatment with single agent paclitaxel, docetaxel, or pemetrexed at study entry based on treating investigator’s clinical assessment; -At least 1 measurable target lesion as per RECIST 1:1. Cohort 4: -Histologically or cytologically confirmed diagnosis of unresectable (stage III) or metastatic (stage IV) cutaneous melanoma who have progressed on anti-PD-1 therapy or had recurrence <6 months after adjuvant anti-PD-1 therapy; -At least 2 target lesions of measurable disease per RECIST 1.1, at least 1 lesion that is safely accessible for intratumoral injection and is also ≥15 mm in the longest diameter; -Participants may not have liver metastases;  Cohort 5: - Histologically or cytologically confirmed diagnosis of extra-pelvic metastatic or recurrent cervical cancer with squamous cell, adenocarcinoma or adenosquamous histology who are not candidates for curative therapy. - Have received at least 1, but no more than 2 prior systemic treatment regimens for recurrent or metastatic cervical cancer.  - Participants who have undergone treatment with anti-PD-1, anti-PD-L1, or anti-CTLA-4 antibody must have evidence of disease progression.  - At least 2 target lesions of measurable disease per RECIST 1.1, at least 1 lesion that is safely accessible for intratumoral injection and is also ≥15 mm in the longest diameter. - Participants may not have liver metastases Cohort 6a-c: -Histologically or cytologically confirmed diagnosis of resectable cutaneous melanoma; -Complete surgical resection must be deemed achievable; -No prior radiotherapy or systemic anticancer therapy for melanoma; -At least one lesion that is safely accessible for intratumoral injection and is also ≥15 mm in the longest diameter Cohort 7: -Histologically or cytologically confirmed NSCLC without EGFR-activating mutations, ALK or ROS1 rearrangements and with completely resectable disease, according to AJCC 8th edition; -Complete surgical resection must be deemed achievable; -No prior radiotherapy or systemic anticancer therapy for NSCLC; -Participants must have adequate cardiopulmonary function;  -Evaluable disease with at least 1 measurable target lesion per RECIST 1.1 criteria Other protocol-defined inclusion criteria may apply. | 
 
 
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| E.4 | Principal exclusion criteria | 
-Symptomatic central nervous system metastases; -Active autoimmune diseases, -Any uncontrolled bacterial, fungal, viral, or other infection; -Significant cardiac disease; -A marked clinically significant baseline prolongation of QT/QTc interval, using Fridericia’s QT correction formula -Positive for HIV or has known active hepatitis B or C infection; -Known hypersensitivity to any study treatment; - Participants who have been previously treated with IL-2 or IL-2 variants (all participants) or TLR agonist, excluding topical agents for unrelated disease (Part 3, Cohorts 4, 5 and 6 ONLY); - Systemic immunosuppressive treatment with the exception for participants on corticosteroid taper (for example, for chronic obstructive pulmonary disease exacerbation); - Vaccination with live, attenuated vaccines within 4 weeks of C1D1. -Women who are breastfeeding or have a positive serum pregnancy test during screening Exclusion Criteria Specific to Part 3 ONLY -Other active malignancies within the last 2 years.  Other protocol-defined exclusion criteria may apply. | 
 
 
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| E.5 End points | 
| E.5.1 | Primary end point(s) | 
| Treatment emergent and treatment related adverse events, serious adverse events (SAEs), adverse events leading to treatment discontinuation, deaths. | 
 
 
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| E.5.1.1 | Timepoint(s) of evaluation of this end point | 
|  Through study completion, expected average of 2 years  | 
 
 
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| E.5.2 | Secondary end point(s) | 
Part 3- cohorts 3,4,5: -Objective response rate (ORR) by Response Evaluation Criteria in Solid Tumors (RECIST 1.1), duration of response (DoR), and time to response (TTR) per independent central review (ICR) - ORR by RECIST 1.1, DoR, and TTR per investigator assessment - Progression-free survival (PFS) by RECIST 1.1 per ICR - PFS by RECIST 1.1 per investigator assessment - Overall Survival (OS); Part 3, cohorts 6a-c, and Cohort 7 - ORR prior to surgery by RECIST 1.1 per ICR - ORR prior to surgery by RECIST 1.1 per investigator assessment - Pathologic complete response (pCR) per central assessment for pathology review - Major pathologic response (MPR) per central assessment for pathology review - pCR per local assessment for pathology review - MPR per local assessment for pathology review - Event-free survival (EFS) by RECIST 1.1 per ICR - EFS by RECIST 1.1 per investigator assessment - OS 
 -TransCon IL-2 β/γ and free IL-2 β/γ PK parameters, alone or in combination with pembrolizumab, SOC chemotherapy, or TransCon TLR7/8 Agonist, or in combination with pembrolizumab and SOC chemotherapy | 
 
 
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| E.5.2.1 | Timepoint(s) of evaluation of this end point | 
1.Overall Response Rate-Time Frame: Average of 2 years  2.Pathologic Complete Response-Time Frame: 15 weeks 3.Major Pathologic Response-Time Frame: 15 weeks 4.Duration of Response-Time Frame: Average of 2 years  5.Time to Response-Time Frame: Expected up to 1 year from first dose  6.Progression Free Survival (PFS)-Time Frame: Average of 2 years  7.Event free survival (EFS) by RECIST 1.1-Time Frame: 2 years  8.Overall Survival (OS) -Time Frame: Average of 2 years  9.PK Characterization (Cmax) -Time Frame: Average of 2 years  10.PK Characterization (Tmax) -Time Frame: Average of 2 years  11.PK Characterization (AUClast) -Time Frame: Average of 2 years  12.PK Characterization (AUC0-t) -Time Frame: Average of 2 years  13.PK Characterization (t1/2) -Time Frame: Average of 2 years  | 
 
 
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| E.6 and E.7 Scope of the trial | 
| E.6 | Scope of the trial | 
| E.6.1 | Diagnosis |  No  | 
| E.6.2 | Prophylaxis |  No  | 
| E.6.3 | Therapy |  No  | 
| E.6.4 | Safety |  Yes  | 
| E.6.5 | Efficacy |  Yes  | 
| E.6.6 | Pharmacokinetic |  Yes  | 
| E.6.7 | Pharmacodynamic |  Yes  | 
| E.6.8 | Bioequivalence |  No  | 
| E.6.9 | Dose response |  No  | 
| E.6.10 | Pharmacogenetic |  No  | 
| E.6.11 | Pharmacogenomic |  No  | 
| E.6.12 | Pharmacoeconomic |  No  | 
| E.6.13 | Others |  Yes  | 
| E.6.13.1 | Other scope of the trial description | 
-Tolerability -Immunogenicity | 
 
 
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| E.7 | Trial type and phase | 
| E.7.1 | Human pharmacology (Phase I) |  No  | 
| E.7.1.1 | First administration to humans |  No  | 
| E.7.1.2 | Bioequivalence study |  No  | 
| E.7.1.3 | Other |  No  | 
| E.7.1.3.1 | Other trial type description |  | 
| E.7.2 | Therapeutic exploratory (Phase II) |  Yes  | 
| E.7.3 | Therapeutic confirmatory (Phase III) |  No  | 
| E.7.4 | Therapeutic use (Phase IV) |  No  | 
| E.8 Design of the trial | 
| E.8.1 | Controlled |  No  | 
| E.8.1.1 | Randomised |  Yes  | 
| E.8.1.2 | Open |  Yes  | 
| E.8.1.3 | Single blind |  No  | 
| E.8.1.4 | Double blind  |  No  | 
| E.8.1.5 | Parallel group |  No  | 
| E.8.1.6 | Cross over  |  No  | 
| E.8.1.7 | Other |  No  | 
| E.8.2 |  Comparator of controlled trial | 
| E.8.2.1 | Other medicinal product(s) |  No  | 
| E.8.2.2 | Placebo  |  No  | 
| E.8.2.3 | Other |  No  | 
| E.8.2.4 | Number of treatment arms in the trial | 7 | 
| E.8.3 | 
                                The trial involves single site in the Member State concerned
                             |  Yes  | 
| E.8.4 |  The trial involves multiple sites in the Member State concerned  |  No  | 
| E.8.5 | The trial involves multiple Member States |  Yes  | 
| E.8.5.1 | Number of sites anticipated in the EEA | 30 | 
| E.8.6 Trial involving sites outside the EEA | 
| E.8.6.1 | Trial being conducted both within and outside the EEA |  Yes  | 
| E.8.6.2 | Trial being conducted completely outside of the EEA |  No  | 
| E.8.6.3 | If E.8.6.1 or E.8.6.2 are Yes, specify the regions in which trial sites are planned | 
| Australia | 
 
| Canada | 
 
| Korea, Republic of | 
 
| Singapore | 
 
| Taiwan | 
 
| United States | 
 
| France | 
 
| Poland | 
 
| Spain | 
 
| Switzerland | 
 
| Italy | 
 
| Belgium | 
 
| United Kingdom | 
 
 
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| E.8.7 | Trial has a data monitoring committee |  No  | 
| E.8.8 | 
                        Definition of the end of the trial and justification where it is not the last
                        visit of the last subject undergoing the trial
                     | 
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| E.8.9 Initial estimate of the duration of the trial | 
| E.8.9.1 | In the Member State concerned years | 2 | 
| E.8.9.1 | In the Member State concerned months | 6 | 
| E.8.9.1 | In the Member State concerned days | 0 | 
| E.8.9.2 | In all countries concerned by the trial years | 2 | 
| E.8.9.2 | In all countries concerned by the trial months | 6 | 
| E.8.9.2 | In all countries concerned by the trial days | 0 |