1. Objective Response Rate (ORR) After First BV Administration (Time Frame - Up to approximately 12 months)
2. ORR After Re-Treatment (Time Frame - Up to approximately 12 months after BV retreatment)
3. Progression Free Survival (PFS) After First BV Administration (Time Frame - Up to approximately 24 months)
4. PFS After BV Re-Treatment (Time Frame - Up to approximately 24 months after BV retreatment)
5. Time to Next Treatment (TTNT) After First BV Administration (Regardless of Type of Next Treatment, i.e., BV or non-BV) (Time Frame - Up to approximately 16 months)
6. TTNT After BV Re-Treatment (Time Frame - Up to approximately 24 months after BV retreatment)
7. Number of Participant With Grading of Motor Neuropathy During First BV Treatment (Time Frame - Up to approximately 12 months)
8. Time to Improvement of Motor Neuropathy During/ Post First BV Treatment (Time Frame - Up to approximately 24 months)
9. Time to Resolution of Motor Neuropathy During/ Post First BV Treatment (Time Frame - Up to approximately 24 months)
10. Number of Participants With Grading of Motor Neuropathy During BV Re-Treatment (Time Frame - Up to approximately 12 months after BV retreatment)
11. Time to Improvement of Motor Neuropathy During/ Post BV Re-Treatment (Time Frame - Up to approximately 16 months)
12. Time to Resolution of Motor Neuropathy During/ Post BV Re-Treatment (Time Frame - Up to approximately 24 months)
13. Number of Participants With Grading of Sensory Neuropathy During First BV Treatment (Time Frame - Up to approximately 12 months)
14. Time to Improvement of Sensory Neuropathy During/ Post First BV Treatment (Time Frame - Up to approximately 24 months)
15. Time to Resolution of Sensory Neuropathy During/ Post First BV Treatment (Time Frame - Up to approximately 24 months)
16. Number of Participants With Grading of Sensory Neuropathy During BV Re-Treatment (Time Frame - Up to approximately 12 months)
17. Time to Improvement of Sensory Neuropathy During/ Post BV Re-Treatment (Time Frame - Up to approximately 24 months)
18. Time to Resolution of Sensory Neuropathy During/ Post BV Re-Treatment (Time Frame - Up to approximately 24 months)
19. Number of Participants With Grading of Neutropenia During First BV Treatment (Time Frame - Up to approximately 12 months)
20. Number of Participants With Grading of Neutropenia During BV Re-Treatment (Time Frame - Up to approximately 12 months)
21. Number of Participants With Grading of Febrile Neutropenia During First BV Treatment (Time Frame - Up to approximately 24 months)
22. Number of Participants With Grading of Febrile Neutropenia During BV Re-Treatment (Time Frame - Up to approximately 12 months)
23. Number of Participants With Grading of Serious Infections During First BV Treatment (Time Frame - Up to approximately 12 months)
24. Number of Participants With Grading of Serious Infections During BV Re-Treatment (Time Frame - Up to approximately 12 months)
Secondary outcome:
1. Number of Participants With Cutaneous Lymphoma Co-Medications or Strategies Used to Treat CTCL Disease (Time Frame - Up to approximately 12 months)
2. Amount of BV Dose (Time Frame - Up to approximately 12 months)
3. Number of Cycles of BV Administered (Time Frame - Up to approximately 12 months)
4. Time Interval Between BV Administration (Time Frame - Up to approximately 24 months)