Firialta was generally well tolerated1,2
- Rates of discontinuation due to any AEs were 7.3% for Firialta and 5.9% for placebo2
- Regular monitoring of serum potassium is recommended3

There was no increase in gynaecomastia vs placebo3
There was no effect on HbA1c vs placebo3
There was only a modest reduction (~3 mmHg) in mean systolic blood pressure vs placebo2,3
Most frequently reported AEs
% (N=2827)
% (N=2831)
* | These events were classified according to the MedDRA Preferred term.1 |
† | These events were classified according to the standardised MedDRA Query term.1 |
Firialta had a modest effect on SBP and no clinically meaningful effects on HbA1c over time1,2*

In patients treated with Firialta, the mean SBP decreased by 3 mmHg and the mean diastolic BP decreased by 1 to 2 mmHg at month 1, remaining stable thereafter.

The mean reduction in SBP from baseline to month 4 in the Firialta arm was 3.2 mmHg.2
Hormonal symptoms with Firialta were similar to placebo1
• Gynaecomastia: 0.2% for Firialta, 0.2% for placebo
• Reproductive system and breast disorders: 4.5% for Firialta, 5.2% for placebo
• Breast hyperplasia: 0% for Firialta, 0.1% for placebo
Firialta had a generally manageable impact on serum potassium1
Maximum mean difference in potassium between groups was 0.23 mmol/L at month 4, remaining stable thereafter2


Regular monitoring of serum potassium is recommended1
Clinically meaningful hyperkalaemia was manageable1-3*
% (n=2827)
% (n=2831)
% (n=2827)
% (n=2831)
*Although hyperkalaemia was increased in the Firialta group, hyperkalaemia was manageable, and clinically meaningful events like study drug discontinuation, hospitalisation, and serious adverse events were low.1-3
†Shown are adverse events that occurred during the treatment period, defined as those that started or worsened during Firialta or placebo intake or up to 3 days after any temporary or permanent interruption. A causal relationship between any adverse event and administration of Firialta or placebo was based on the opinion of the reporting investigator.2
‡Reported by investigators with the use of the MedDRA preferred terms “hyperkalaemia” and “blood potassium increased.”2
§An adverse event was considered to be serious if it resulted in death, was life-threatening, resulted in inpatient hospitalisation (or prolongation of existing hospitalisation), caused persistent or clinically significant disability or incapacity, was a congenital abnormality or birth defect, or was judged by the investigator to be a serious or important medical event.2
AE=adverse event; BP=blood pressure; HbA1c=glycated haemoglobin; MedDRA=Medical Dictionary for Regulatory Activities; SBP=systolic blood pressure; SD=standard deviation.
References:
- Agarwal R, et al. Eur Heart J. 2022;43(6):474-484. doi:10.1093/eurheartj/ehab777. Return to content
- Firialta (SmPC). Return to content
- Bakris GL, et al; FIDELIO-DKD Investigators. N Engl J Med. 2020;383(23):2219-2229. doi:10.1056/NEJMoa2025845. Return to content
- Pitt B, et al. N Engl J Med. 2021;385(24):2252-2263. doi:10.1056/NEJMoa2110956. Return to content