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Last Updated: 10/30/2025
*Aggarwal R, et al. J Clin Oncol 2024;42:1114-1123.
Aggarwal et al (2024)1 evaluated the efficacy and safety of ERLEADA plus ADT, ERLEADA plus AAP plus ADT, and ADT alone in patients with high-risk BRPC following prior RP without metastases on conventional imaging and a PSADT of ≤9 months (N=503).

Abbreviations: AAP, abiraterone acetate plus prednisone; ADT, androgen deprivation therapy; AE, adverse event; BID, twice daily; BRPC, biochemically relapsed prostate cancer; MFS, metastasis-free survival; PFS, progression-free survival; PO, orally; PSA, prostate-specific antigen; PSADT, prostate-specific antigen doubling time; QD, once daily; QoL, quality of life; RP, radical prostatectomy; TTCR, time to castration resistance; TTST, time to subsequent treatment; TTTR, time to testosterone recovery.
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| ADT (n=166) | ERLEADA + ADT (n=168) | ERLEADA + AAP + ADT (n=169) | Overall Study Cohort (N=503) | |
|---|---|---|---|---|
| Median (Q1-Q3) age, years | 67 (60.3-71.1) | 66 (60.7-70.3) | 67.3 (62.4-71.3) | 66.7 (61.1-71) |
| Gleason grade at diagnosis n (%) | ||||
| 6-7 | 101 (60.8) | 101 (60.1) | 105 (62.1) | 307 (61) |
| 8 | 17 (10.2) | 21 (12.5) | 18 (10.7) | 56 (11.1) |
| 9-10 | 48 (28.9) | 43 (25.6) | 43 (25.4) | 134 (26.6) |
| Missing | 0 (0) | 3 (1.8) | 3 (1.8) | 6 (1.2) |
| Median (Q1-Q3) serum PSA at study entry, ng/mL | 1.7 (1-3.2) | 1.8 (1-3.6) | 1.8 (0.9-4.2) | 1.8 (1-3.6) |
| PSADT strata, months, n (%) | ||||
| <3 | 43 (25.9) | 43 (25.6) | 44 (26) | 130 (25.8) |
| 3-9 | 123 (74.1) | 125 (74.4) | 125 (74) | 373 (74.2) |
| Median (Q1-Q3) time interval from RP to study entry, years | 4.6 (2.8-7.3) | 4.7 (2.8-6.5) | 4 (2.8-6.8) | 4.4 (2.8-6.8) |
| Previous radiation, n (%) | 147 (88.6) | 142 (84.5) | 137 (81.1) | 426 (84.7) |
| Previous ADT | 71 (42.8) | 75 (44.6) | 67 (39.6) | 213 (42.3) |
| Median (Q1-Q3) serum testosterone at study entry, ng/dL | 351.5 (269-452) | 378 (274-460) | 338.5 (271-472.5) | 354.5 (272-461.3) |
| Abbreviations: AAP, abiraterone acetate plus prednisone; ADT, androgen deprivation therapy; PSA, prostate-specific antigen; PSADT, prostate-specific antigen doubling time; Q, quarter; RP, radical prostatectomy. | ||||
| Mean Changesa | ADT | ERLEADA + ADT | ERLEADA + AAP + ADT | ERLEADA + ADT vs ADT P-Value | ERLEADA + AAP + ADT vs ADT P-Value |
|---|---|---|---|---|---|
| HFRDIS | 14.3 | 14.3 | 15.0 | >0.99 | 0.78 |
| EPIC-26 Sexual domain | -15.3 | -15.8 | -16.0 | 0.87 | 0.82 |
| PROMIS Fatigue Short Form | 5.3 | 6.9 | 7.0 | 0.09 | 0.08 |
| EQ-5D-5L Index | -0.01 | -0.02 | -0.01 | 0.77 | 0.55 |
| Abbreviations: AAP, abiraterone acetate plus prednisone; ADT, androgen deprivation therapy; EOT, end of treatment; EPIC, Expanded Prostate Cancer Index Composite; EQ-5D-5L, 5-level version of the European Quality of Life-5 Dimensions; HFRDIS, Hot Flash Related Daily Interference Scale; HRQoL, health-related quality of life; PROMIS, Patient Reported Outcome Measurement Information System. aBetween-arm mean differences in HRQoL were estimated using general linear mixed modeling in an intent-to-treat approach. | |||||
| AEs, n (%) | ADT (n=160) | ERLEADA + ADT (n=163) | ERLEADA + AAP + ADT (n=161) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Grade 1 | Grade 2 | Grade 3 | Grade 4 | Grade 1 | Grade 2 | Grade 3 | Grade 4 | Grade 1 | Grade 2 | Grade 3 | Grade 4 | |
| Any-grade TEAEs, n (%) | 145 (91) | 148 (91) | 155 (96) | |||||||||
| Dose interruptions and/or reductions, n (%) | 13 (8) | 32 (20) | 73 (45) | |||||||||
| Treatment discontinuation due to an AE, n (%)a | 0 (0) | 3 (2) | 5 (3) | |||||||||
| Serious AEs, n (%) | 13 (8) | 14 (9) | 28 (17) | |||||||||
| Hypertension | 9 (5.6) | 19 (11.9) | 12 (7.5) | 0 (0) | 11 (6.7) | 25 (15.3) | 12 (7.4) | 0 (0) | 12 (7.5) | 18 (11.2) | 29 (18) | 2 (1.2) |
| Hot flashes | 102 (63.8) | 19 (11.9) | 1 (0.6) | 0 (0) | 116 (71.2) | 8 (4.9) | 0 (0) | 0 (0) | 110 (68.3) | 23 (14.3) | 0 (0) | 0 (0) |
| Fatigue | 67 (41.9) | 14 (8.8) | 0 (0) | 0 (0) | 77 (47.2) | 8 (4.9) | 3 (1.8) | 0 (0) | 78 (48.4) | 16 (9.9) | 2 (1.2) | 0 (0) |
| Injection site reaction | 49 (30.6) | 9 (5.6) | 0 (0) | 0 (0) | 47 (28.8) | 10 (6.1) | 0 (0) | 0 (0) | 36 (22.4) | 11 (6.8) | 0 (0) | 0 (0) |
| Insomnia | 21 (13.1) | 9 (5.6) | 0 (0) | 0 (0) | 29 (17.8) | 5 (3.1) | 0 (0) | 0 (0) | 30 (18.6) | 8 (5) | 0 (0) | 0 (0) |
| Hyperglycemia | 11 (6.9) | 0 (0) | 3 (1.9) | 0 (0) | 13 (8) | 6 (3.7) | 2 (1.2) | 0 (0) | 24 (14.9) | 6 (3.7) | 5 (3.1) | 0 (0) |
| Rash | 6 (3.8) | 2 (1.3) | 1 (0.6) | 0 (0) | 24 (14.7) | 7 (4.3) | 3 (1.8) | 0 (0) | 19 (11.8) | 3 (1.9) | 5 (3.1) | 0 (0) |
| Erectile dysfunction | 1 (0.6) | 10 (6.3) | 1 (0.6) | 0 (0) | 2 (1.2) | 6 (3.7) | 1 (0.6) | 0 (0) | 4 (2.5) | 2 (1.2) | 0 (0) | 0 (0) |
| Arthralgia | 26 (16.3) | 4 (2.5) | 1 (0.6) | 0 (0) | 17 (10.4) | 2 (1.2) | 0 (0) | 0 (0) | 21 (13) | 2 (1.2) | 0 (0) | 0 (0) |
| Abbreviations: AAP, abiraterone acetate plus prednisone; ADT, androgen deprivation therapy; AE, adverse event; TEAE, treatment-emergent adverse event. aAn additional 3 (2%) patients receiving ERLEADA + ADT and 3 (2%) patients receiving ERLEADA + AAP + ADT discontinued oral study agent(s) but continued ADT alone because of an AE. | ||||||||||||
Analyses of PSA-PFS
| ERLEADA + ADT | ERLEADA + AAP + ADT | |
|---|---|---|
| Median follow-up, months | 26.4 | 26.8 |
| PSA-PFS events | 44 additional events in the ERLEADA + ADT vs ADT arm | 40 additional events in the ERLEADA + AAP + ADT vs ADT arm |
| HR (95% CI) | 0.59 (0.42-0.81) | 0.53 (0.38-0.74) |
| Abbreviations: AAP, abiraterone acetate plus prednisone; ADT, androgen deprivation therapy; CI, confidence interval; HR, hazard ratio; PSA-PFS, prostate-specific antigen-progression-free survival. | ||
| PSADT <3 Months | PSADT 3-9 Months | Overall | ||||
|---|---|---|---|---|---|---|
| ERLEADA + ADT vs ADT | ERLEADA + AAP + ADT vs ADT | ERLEADA + ADT vs ADT | ERLEADA + AAP + ADT vs ADT | ERLEADA + ADT vs ADT | ERLEADA + AAP + ADT vs ADT | |
| PSA-PFS events, n/N | 13/39 vs 17/38 | 13/41 vs 17/40 | 32/106 vs 40/105 | 30/108 vs 42/109 | 45/145 vs 57/143 | 43/149 vs 59/149 |
| HR (95% CI) | 0.57 (0.28-1.18) | 0.46 (0.22-0.95) | 0.50 (0.31-0.80) | 0.48 (0.30-0.77) | 0.50 (0.34-0.75) | 0.47 (0.32-0.70) |
| Abbreviations: AAP, abiraterone acetate plus prednisone; ADT, androgen deprivation therapy; CI, confidence interval; HR, hazard ratio; PSADT, prostate-specific antigen doubling time; PSA-PFS, prostate-specific antigen-progression-free survival. | ||||||
| Gleason Grade | Median PSA-PFS, Months | Association With PSA-PFS | HR (95% CI) or P-Value |
|---|---|---|---|
| Grade 5 vs 4 | - | Grade 5 was associated with a shorter PSA-PFS vs grade 4 | 0.59 (0.35-1.00) |
| Grade 5 vs ≤3 | - | Grade 5 was associated with a shorter PSA-PFS vs grade ≤3 | 0.71 (0.53-0.96) |
| Grade ≥9 vs 8 vs 6-7 | - | Grade ≥9 was associated with a shorter PSA-PFS vs grade 8 and grade 6-7 | Log-rank P=0.0409 |
| Grade ≥9 | 21.9 | ||
| Grade 8 | 31.1 | ||
| Grade 6-7 | 25.2 | ||
| Abbreviations: CI, confidence interval; HR, hazard ratio; PSA-PFS, prostate-specific antigen-progression-free survival. | |||
Testosterone Recovery
| ADT | ERLEADA + ADT | ERLEADA + AAP + ADT | |
|---|---|---|---|
| Recovery to >150 ng/dL | |||
| Median TTTR, months | 5.1 | 5.7 | 6.9 |
| HR (95% CI) for treatment vs ADT arm | - | 0.88 (0.62-1.24) | 0.66 (0.46-0.94) |
| Recovery to >280 ng/dL | |||
| Median TTTR, months | 9.0 | 9.1 | 11.1 |
| HR (95% CI) for treatment vs ADT arm | - | 1.02 (0.65-1.58) | 0.73 (0.47-1.15) |
| Abbreviations: AAP, abiraterone acetate plus prednisone; ADT, androgen deprivation therapy; CI, confidence interval; HR, hazard ratio; PSA-PFS, prostate-specific antigen-progression-free survival. | |||
PSA
| ADT | ERLEADA + ADT | ERLEADA + AAP + ADT | HR (95% CI); P-Value | |
|---|---|---|---|---|
| Patients who achieved PSA nadir, % | ||||
| PSA <0.1 ng/mL | 86.3 | - | ||
| PSA 0.1-0.2 ng/mL | 4.4 | - | ||
| PSA ≥2 ng/mL | 9.3 | - | ||
| PSA <0.2 ng/mL within 3 months of treatment initiation | 79.8 | 96.9 | 95.0 | - |
| Median time to PSA nadir, months (IQR) | 2 (1.12-4.76) | - | ||
| Association between time to PSA nadir and subsequent PSA-PFS | ‑0.30 (standard error=0.03a) | - | ||
| Median PSA-PFS for patients who failed to reach PSA <0.2 ng/mL within 3 months of treatment initiation, months | 13.9 | 5.60 (3.58-8.75); P<0.0001 | ||
| Median PSA-PFS for patients with PSA ≤0.1 ng/mL, months | 22.8 | |||
| Median PSA-PFS for patients with 3-month PSA nadir 0.1-0.2 ng/mL, months | 17.4 | 2.63 (1.49-4.63); P=0.0008 | ||
| Median PSA-PFS for patients with 3-month PSA nadir ≤0.1 ng/mL, months | 22.8 | |||
| Abbreviations: AAP, abiraterone acetate plus prednisone; ADT, androgen deprivation therapy; CI, confidence interval; HR, hazard ratio; IQR, interquartile range; PSA, prostate-specific antigen; PSA-PFS, prostate-specific antigen-progression-free survival. aKendall’s tau modified for bivariate censoring. | ||||
A literature search of MEDLINE®, Embase®, BIOSIS Previews®, and Derwent Drug File (and/or other resources, including internal/external databases) was conducted on 21
| 1 | Aggarwal R, Heller G, Hillman DW, et al. PRESTO: A phase III, open-label study of intensification of androgen blockade in patients with high-risk biochemically relapsed castration-sensitive prostate cancer (AFT-19). J Clin Oncol. 2024;42(10):1114-1123. |
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