This page reproduces publicly reported regulatory and medical-administrative records. Every entry names the body that issued it. Anti-doping testing entries are counts of publicly reported test sessions and are not pass/fail results — a test session is not a positive test. Records are reproduced as published and are not medical advice.
1Anti-doping sanctions
0Medical suspensions
0Injury records
10Testing entries
Anti-doping sanction (1)
Anti-doping suspension / ineligibility
Anti-doping sanction
The U.S. Anti-Doping Agency (USADA) announced today that an athlete in the UFC ® Anti-Doping Program, Amanda Ribas, of Minas Gerais, Brazil, is entitled to a reduction in her original two-year suspension. Ribas’ period of ineligibility has been terminated, effective immediately.
Date
3 May 2019
Status
Suspended / sanctioned
Substance
ostarine
Suspension length
Original 2 years; terminated early
Sample collected
7 June 2017
Period end
3 May 2019
Issuing body
U.S. Anti-Doping Agency (USADA)
Issued by: U.S. Anti-Doping Agency (USADA)
Anti-doping testing activity (10)
2026 UFC ADP testing activity
Anti-doping testing activity
4 publicly reported test sessions in 2026. This count is not a pass/fail result.
Date
2026
Status
Testing activity
Test sessions reported
4
Issuing body
UFC Anti-Doping Program / CSAD
Issued by: UFC Anti-Doping Program / CSAD
2025 UFC ADP testing activity
Anti-doping testing activity
5 publicly reported test sessions in 2025. This count is not a pass/fail result.
Date
2025
Status
Testing activity
Test sessions reported
5
Issuing body
UFC Anti-Doping Program / CSAD
Issued by: UFC Anti-Doping Program / CSAD
2024 UFC ADP testing activity
Anti-doping testing activity
7 publicly reported test sessions in 2024. This count is not a pass/fail result.
Date
2024
Status
Testing activity
Test sessions reported
7
Issuing body
UFC Anti-Doping Program / CSAD
Issued by: UFC Anti-Doping Program / CSAD
2023 UFC ADP testing activity
Anti-doping testing activity
4 publicly reported test sessions in 2023. This count is not a pass/fail result.
Date
2023
Status
Testing activity
Test sessions reported
4
Issuing body
UFC Anti-Doping Program / CSAD
Issued by: UFC Anti-Doping Program / CSAD
2022 UFC ADP testing activity
Anti-doping testing activity
5 publicly reported test sessions in 2022. This count is not a pass/fail result.
Date
2022
Status
Testing activity
Test sessions reported
5
Issuing body
UFC Anti-Doping Program / CSAD
Issued by: UFC Anti-Doping Program / CSAD
2021 UFC ADP testing activity
Anti-doping testing activity
6 publicly reported test sessions in 2021. This count is not a pass/fail result.
Date
2021
Status
Testing activity
Test sessions reported
6
Issuing body
UFC Anti-Doping Program / CSAD
Issued by: UFC Anti-Doping Program / CSAD
2020 UFC ADP testing activity
Anti-doping testing activity
5 publicly reported test sessions in 2020. This count is not a pass/fail result.
Date
2020
Status
Testing activity
Test sessions reported
5
Issuing body
UFC Anti-Doping Program / CSAD
Issued by: UFC Anti-Doping Program / CSAD
2019 UFC ADP testing activity
Anti-doping testing activity
9 publicly reported test sessions in 2019. This count is not a pass/fail result.
Date
2019
Status
Testing activity
Test sessions reported
9
Issuing body
UFC Anti-Doping Program / CSAD
Issued by: UFC Anti-Doping Program / CSAD
2018 UFC ADP testing activity
Anti-doping testing activity
3 publicly reported test sessions in 2018. This count is not a pass/fail result.
Date
2018
Status
Testing activity
Test sessions reported
3
Issuing body
UFC Anti-Doping Program / CSAD
Issued by: UFC Anti-Doping Program / CSAD
2017 UFC ADP testing activity
Anti-doping testing activity
1 publicly reported test session in 2017. This count is not a pass/fail result.