Rapaflo
Enlarged Prostate
Treatment
1 FDA approval
15 Active Studies for Rapaflo
Treatment for
Enlarged Prostate
What is Rapaflo
Silodosin
The Generic name of this drug
Treatment Summary
Silodosin is a medication used to relax the muscles in the prostate, bladder neck and prostatic urethra to treat the symptoms of benign prostatic hyperplasia (BPH). This condition is more common in men over the age of 40 and can cause urinary issues that affect quality of life. Silodosin works by targeting the α1A receptors with high affinity and relaxing the muscles to reduce bladder outlet obstruction. The drug was approved by the FDA in 2008 and is available under the trade names Rapaflo and Urorec.
Rapaflo
is the brand name
Rapaflo Overview & Background
Brand Name
Generic Name
First FDA Approval
How many FDA approvals?
Rapaflo
Silodosin
2009
34
Approved as Treatment by the FDA
Silodosin, also known as Rapaflo, is approved by the FDA for 1 uses including Enlarged Prostate .
Enlarged Prostate
Effectiveness
How Rapaflo Affects Patients
Silodosin is a drug that blocks certain hormones in the body. It is most effective at blocking the Alpha 1A receptor subtype, which is 162 times more effective than Alpha 1B and about 50 times more effective than Alpha 1D. Clinical trials have shown that silodosin can improve the flow of urine, reduce symptoms related to the bladder and prostate, and provide relief within two to six hours. Silodosin weakly affects the cardiovascular system, but it can cause a condition called intraoperative floppy iris syndrome during cataract surgery in those taking alpha 1-AR antagonists.
How Rapaflo works in the body
The cause of benign prostatic hyperplasia (BPH) is not fully understood, but it is believed to involve inflammation, apoptosis, and cellular proliferation. Silodosin is a drug used to treat BPH that works by blocking α1A-adrenoceptor receptors in the prostate and bladder. Blocking these receptors decreases muscle contraction in the prostate and urethra, which improves lower urinary tract symptoms like slow urine stream and postvoid dribbling. Silodosin also targets nerves in the bladder, helping to reduce bladder overactivity and storage symptoms.
When to interrupt dosage
The prescribed dose of Rapaflo is contingent upon the diagnosed situation. The measure of dosage fluctuates, in accordance with the method of administration outlined in the table beneath.
Condition
Dosage
Administration
Enlarged Prostate
4.0 mg, , 8.0 mg
Oral, Capsule - Oral, , Capsule, Capsule, gelatin coated - Oral, Capsule, gelatin coated
Warnings
Rapaflo Contraindications
Condition
Risk Level
Notes
Pulse Frequency
Do Not Combine
Pulse Frequency
Do Not Combine
Pulse Frequency
Do Not Combine
Pulse Frequency
Do Not Combine
Severe Hepatic Impairment
Do Not Combine
Pulse Frequency
Do Not Combine
Severe Hypersensitivity Reactions
Do Not Combine
Silodosin may interact with Pulse Frequency
There are 20 known major drug interactions with Rapaflo.
Common Rapaflo Drug Interactions
Drug Name
Risk Level
Description
Alfuzosin
Major
Silodosin may increase the hypotensive activities of Alfuzosin.
Aripiprazole lauroxil
Major
Silodosin may increase the orthostatic hypotensive, hypotensive, and antihypertensive activities of Aripiprazole lauroxil.
Asenapine
Major
Silodosin may increase the orthostatic hypotensive, hypotensive, and antihypertensive activities of Asenapine.
Brexpiprazole
Major
Silodosin may increase the orthostatic hypotensive, hypotensive, and antihypertensive activities of Brexpiprazole.
Bucindolol
Major
Silodosin may increase the orthostatic hypotensive, hypotensive, and antihypertensive activities of Bucindolol.
Rapaflo Toxicity & Overdose Risk
In rats, the lowest toxic dose of silodosin is 800mg/kg. During clinical trials, low blood pressure was the most common serious side effect. If someone overdoses on silodosin, they should be laid down to restore their blood pressure and heart rate. Additional treatments, like administering intravenous fluids or using vasopressors, may be needed. Since silodosin binds to proteins in the blood, dialysis is not likely to be helpful.
Rapaflo Novel Uses: Which Conditions Have a Clinical Trial Featuring Rapaflo?
21 active investigations are currently being conducted to evaluate the efficacy of Rapaflo in managing Enlarged Prostate conditions.
Condition
Clinical Trials
Trial Phases
Enlarged Prostate
16 Actively Recruiting
Not Applicable, Phase 2
Rapaflo Reviews: What are patients saying about Rapaflo?
4.3
Patient Review
5/4/2016
Rapaflo for Enlarged Prostate with Urination Problems
3.7
Patient Review
12/19/2020
Rapaflo for Enlarged Prostate with Urination Problems
3.3
Patient Review
5/23/2017
Rapaflo for Enlarged Prostate with Urination Problems
3.3
Patient Review
5/6/2015
Rapaflo for Enlarged Prostate
2.7
Patient Review
10/22/2014
Rapaflo for Enlarged Prostate
2.7
Patient Review
12/14/2015
Rapaflo for Enlarged Prostate with Urination Problems
2.7
Patient Review
10/6/2017
Rapaflo for Enlarged Prostate
2.3
Patient Review
7/13/2015
Rapaflo for Enlarged Prostate
2.3
Patient Review
4/18/2016
Rapaflo for Enlarged Prostate with Urination Problems
2
Patient Review
5/19/2017
Rapaflo for Enlarged Prostate with Urination Problems
2
Patient Review
10/23/2015
Rapaflo for Enlarged Prostate with Urination Problems
1
Patient Review
4/10/2018
Rapaflo for Enlarged Prostate
1
Patient Review
12/22/2018
Rapaflo for Enlarged Prostate
Patient Q&A Section about rapaflo
These questions and answers are submitted by anonymous patients, and have not been verified by our internal team.
What is Rapaflo used for?
"Rapaflo is used to help improve urination for men who have benign prostatic hyperplasia (an enlarged prostate)."
Answered by AI
Is Rapaflo the same as Flomax?
"Silodosin and tamsulosin are bothalpha blockers that work at the same receptors in our bodies. However, this does not mean that they are identical. Some people may respond better to silodosin while others may respond better to tamsulosin. Additionally, the side effects that each person experiences may differ."
Answered by AI