| E.1 Medical condition or disease under investigation | 
| E.1.1 | Medical condition(s) being investigated  | 
| Advanced Solid Tumors | 
 
| Tumores sólidos avanzados | 
 
 
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| E.1.1.1 | Medical condition in easily understood language  | 
| Advanced Solid Tumors | 
 
| Tumores sólidos avanzados | 
 
 
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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  | 20.0 | 
 
| E.1.2 | Level  | LLT | 
 
| E.1.2 | Classification code  | 10065252 | 
 
| E.1.2 | Term  | Solid tumor | 
 
| E.1.2 | System Organ Class  | 100000004864 | 
 
 
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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  | 
| _To characterize the safety, tolerability, and DLTs and to determine the MTD/RP2D of BMS-986249 administered as monotherapy and in combination with nivolumab in participants with advanced solid tumors (Parts 1A and 1B). | 
 
| - Caracterizar la seguridad, la tolerabilidad y la TLD y determinar la DMT/DRF2 de BMS-986249 administrado en monoterapia y en combinación con nivolumab en pacientes con tumores sólidos avanzados (Partes 1A y 1B) | 
 
 
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| E.2.2 | Secondary objectives of the trial  | 
_To characterize the PK of BMS-986249 when administered alone and in combination with nivolumab; _To assess the preliminary efficacy of BMS-986249 alone and in combination with nivolumab in advanced solid tumors (Parts 1A and 1B) using RECIST v1.1 or PCWG3 (for prostate cancer). | 
 
- Caracterizar la FC de BMS-986249 cuando se administra en monoterapia y en combinación con nivolumab; - Evaluar la eficacia preliminar de BMS-986249 en monoterapia y en combinación con nivolumab en tumores sólidos avanzados (Partes 1A y 1B) usando los RECIST v1.1 o los criterios del PCWG3 (para el cáncer de próstata) | 
 
 
 | 
| E.2.3 | Trial contains a sub-study  |  No  | 
| E.3 | Principal inclusion criteria  | 
_Participants must be at least 18 years old; _have histologic or cytologic confirmation of a solid tumor that is advanced (metastatic, recurrent, and/or unresectable) with measurable disease _Have at least 1 lesion accessible for biopsy; _Eastern Cooperative Oncology Group Performance Status of 0 or 1; _Participants must have received, and then progressed, relapsed, or been intolerant to, at least 1 standard treatment regimen in the advanced or metastatic setting according to solid tumor histologies. | 
 
_Participantes con al menos 18 años de edad; _Tener confirmación citológico o histológica de un tumor sólido avanzado (metastásico, recurrente y/o irresecable) con enfermedad medible; _Tener al menos una lesión accesible para biopsia; _Estatus Eastern Cooperative Oncology Group Performance de 0 or 1; _Los participantes deben haber recibido, y haber progresado, recurrido, o ser intolerantes al menos a 1 régimen de tratamiento estándar en la fase avanzada o metastásica, de acuerdo con los histologías de tumores sólidos. | 
 
 
 | 
| E.4 | Principal exclusion criteria | 
_Participants with primary CNS malignancies or tumors with CNS metastases as the only site of disease; _Participants with other active malignancy requiring concurrent intervention; | 
 
_Participantes con malignidades primarios del SNC o tumores con metástasis en el SNC como único sitio de enfermedad; _Participantes con otras malignidades activas que requieran intervención simultánea; | 
 
 
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| E.5 End points | 
| E.5.1 | Primary end point(s) | 
| _Incidence of AEs, SAEs, AEs meeting protocol-defined DLT criteria, _AEs leading to discontinuation, death, and laboratory abnormalities | 
 
| - Incidencia de AA, AAG, AA que cumplan los criterios de TLD definidos por el protocolo, AA que conduzcan a suspensión, muerte y anomalías de laboratorio | 
 
 
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| E.5.1.1 | Timepoint(s) of evaluation of this end point | 
| Up to 4 years | 
 
| - Hasta 4 años | 
 
 
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| E.5.2 | Secondary end point(s) | 
_Summary measures of PK parameters of BMS-986249 up to 2 years; _BOR, DOR, PFS, and TTR per RECIST v1.1 or PCWG3 (for prostate cancer) up to 4 years | 
 
- Medidas resumen de los parámetros FC de BMS-986249 hasta 2 años; - MRG, DdR, SLP y THR según los RECIST v1.1 o los criterios PCWG3 (en el cáncer de próstata) hasta 4 años | 
 
 
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| E.5.2.1 | Timepoint(s) of evaluation of this end point | 
| Up to 2 years or up to 4 years | 
 
| Hasta 2 años o hasta 4 años | 
 
 
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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 |  No  | 
| E.7 | Trial type and phase | 
| E.7.1 | Human pharmacology (Phase I) |  Yes  | 
| E.7.1.1 | First administration to humans |  Yes  | 
| 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 |  No  | 
| 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 | 3 | 
| E.8.3 | 
                                The trial involves single site in the Member State concerned
                             |  No  | 
| E.8.4 |  The trial involves multiple sites in the Member State concerned  |  Yes  | 
| E.8.4.1 | Number of sites anticipated in Member State concerned | 2 | 
| E.8.5 | The trial involves multiple Member States |  Yes  | 
| E.8.5.1 | Number of sites anticipated in the EEA | 35 | 
| 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 | 
 
| Italy | 
 
| Netherlands | 
 
| Spain | 
 
| United States | 
 
 
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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
                     | 
| LVLS | 
 
| Último visita del último sujeto | 
 
 
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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 | 4 | 
| E.8.9.1 | In the Member State concerned months | 0 | 
| E.8.9.1 | In the Member State concerned days | 0 | 
| E.8.9.2 | In all countries concerned by the trial years | 4 | 
| E.8.9.2 | In all countries concerned by the trial months | 0 | 
| E.8.9.2 | In all countries concerned by the trial days | 0 |