Patients must not have malabsorption, swallowing difficulty, or other conditions that would interfere with the ingestion or absorption of dabrafenib or trametinib Difficulty with swallowing or an active malabsorption syndrome. Difficulty swallowing capsules or requirement for a feeding tube. Known history of difficulty swallowing, malabsorption or other conditions that may reduce absorption of the product. Difficulty swallowing, malabsorption, known active partial or complete bowel obstruction, or other chronic gastrointestinal disease or conditions that may hamper compliance and/or absorption of capecitabine Patient is capable of swallowing pills whole Patient must be capable of swallowing the ruxolitinib capsules (tablets) Patient is capable of swallowing pills whole Willing and able to participate in all required evaluations and procedures in this study protocol including swallowing capsules without difficulty Previous history of difficulty swallowing capsules. Be capable of swallowing study agents whole as a tablet Pre-treatment swallowing evaluation by speech and swallowing therapist, to included a modified barium swallow showing no significant impairment with swallowing oral medications History of difficulty swallowing, malabsorption or other chronic gastrointestinal disease or conditions that may hamper compliance and/or absorption of the IMP, use of percutaneous endoscopic gastrostomy (PEG) tubes History of difficulty swallowing, malabsorption or other chronic gastrointestinal disease or conditions that may hamper compliance and/or absorption of the IMP Difficulty swallowing or malabsorption History of significant difficulty swallowing, malabsorption or other chronic gastrointestinal disease or conditions that may hamper compliance and/or absorption of the tested product Relapsed/refractory MCL: Willing and able to participate in all study related procedures and therapy including swallowing capsules without difficulty Newly diagnosed MCL: Willing and able to participate in all study related procedures and therapy including swallowing capsules without difficulty Difficulty with swallowing, or an active malabsorption syndrome. Difficulty with swallowing or an active malabsorption syndrome Willing and able to participate in all required evaluations and procedures in this study protocol including swallowing capsules without difficulty Willing and able to participate in all study related procedures and therapy including swallowing capsules without difficulty. History of difficulty swallowing, malabsorption or other chronic gastrointestinal disease or conditions that may hamper compliance and/or absorption of the investigational product Willing and able to participate in all required evaluations and procedures in this study protocol including swallowing capsules without difficulty. Difficulty swallowing capsules. All subjects must be capable of swallowing multiple capsules Willing and able to participate in all study related procedures and therapy including swallowing capsules without difficulty Patient is capable of swallowing study drug capsules whole. Willing and able to participate in all study related procedures and therapy including swallowing capsules without difficulty Capable of swallowing tablets Willing and able to participate in all required evaluations and procedures in this study protocol including swallowing capsules without difficulty. Patient is capable of swallowing. Known gastrointestinal disease or condition that affects the absorption of ASN001, or difficulty swallowing large capsules. Willing and able to participate in all required evaluations and procedures in this study protocol including swallowing capsules without difficulty Subject has difficulty swallowing large pills. The subject has difficulty swallowing, malabsorption or other chronic gastrointestinal disease or conditions that may hamper compliance and/or absorption of the trial drug. Subjects requiring total parenteral nutrition are to be excluded. Has difficulty swallowing medications, or known history of malabsorption syndrome; Capable of swallowing intact study medication capsules Active difficulty swallowing, malabsorption or other chronic gastrointestinal disease or conditions (including pancreas deficiency requiring Creon therapy) that may hamper compliance and/or absorption of M3541