DapagliFLOzin in Renal AL Amyloidosis (FLORAL)

1. Participants are recruited by one of the following methods: 1. Self-referral through the website 2. Receiving recruitment materials from their provider. 2. Participant visits the prescreening website. 1. High level prescreening questions are answered by the participant. 2. If appropriate based on answers to the questions, the participant may provide their contact information for follow up by the study team. 3. Study team contacts potential participants to review the study and explain next steps 4. Participant is provided with the link and password to view the video and sign the consent via Adobe Sign 5. An investigator will meet virtually with the participant to obtain medical history information, concomitant medications, and performance status (screening visit) 6. Once the participant passes screening in step 5, an order will be sent to the participant for the remaining screening labs to be done at a local laboratory that is covered by their insurance 7. The lab will fax results to the site 8. After review of eligibility and the study team will proceed with enrolling the participant if appropriate 9. The participant will proceed to the baseline visit (telehealth for any portion that can be done via phone/video and order for lab tests as previously described) if needed to comply with the protocol calendar/window. 10. The participant is approved to begin dosing by the investigator 11. The site will dispense via mail the following: 1. 4 month's supply of Dapagliflozin 2. A self-addressed envelope for return of the diary and pill bottles at the end of the dosing period 3. A weighing scale (if required) 12. Dosing compliance will be checked during initial study treatment via sharing of pill accountability data or screenshot of paper pill diary 13. If clinically indicated, labs will be ordered and run more frequently to assess for toxicity. 14. Visits 3, 4, and 5 will be conducted in the same manner as described above. 15. All pill bottles and diaries (if paper version is used) will be returned via the provided envelope