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Uroxatral (Alfuzosin Hydrochloride) - Side Effects and Adverse Reactions

 
 



ADVERSE REACTIONS

Clinical Trials Experience

Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in clinical practice.

The incidence of adverse reactions has been ascertained from 3 placebo-controlled clinical trials involving 1,608 men where daily doses of 10 and 15 mg alfuzosin were evaluated. In these 3 trials, 473 men received UROXATRAL (alfuzosin HCl) 10 mg extended-release tablets. In these trials, 4% of patients taking UROXATRAL (alfuzosin HCl) 10 mg extended-release tablets withdrew from the trial due to adverse reactions, compared with 3% in the placebo group.

Table 1 summarizes adverse reactions that occurred in ≥2% of patients receiving UROXATRAL, and at a higher incidence than that of the placebo group. In general, the adverse reactions seen in long-term use were similar in type and frequency to the events described below for the 3-month trials.

Table 1 — Adverse Reactions Occurring in ≥2% of UROXATRAL-Treated Patients and More Frequently than with Placebo in 3-Month Placebo-Controlled Clinical Trials
Adverse Reaction Placebo
(n=678)
UROXATRAL
(n=473)
Dizziness 19 (2.8%) 27 (5.7%)
Upper respiratory tract infection 4 (0.6%) 14 (3.0%)
Headache 12 (1.8%) 14 (3.0%)
Fatigue 12 (1.8%) 13 (2.7%)

The following adverse reactions, reported by between 1% and 2% of patients receiving UROXATRAL and occurring more frequently than with placebo, are listed alphabetically by body system and by decreasing frequency within body system:

Body as a whole: pain

Gastrointestinal system: abdominal pain, dyspepsia, constipation, nausea

Reproductive system: impotence

Respiratory system: bronchitis, sinusitis, pharyngitis

Signs and Symptoms of Orthostasis in Clinical Trials: The adverse reactions related to orthostasis that occurred in the double-blind phase 3 trials with alfuzosin 10 mg are summarized in Table 2. Approximately 20% to 30% of patients in these trials were taking antihypertensive medication.

Table 2— Number (%) of Patients with Symptoms Possibly Associated with Orthostasis in 3-Month Placebo-Controlled Clinical Trials
Symptoms Placebo
(n=678)
UROXATRAL
(n=473)
Dizziness 19 (2.8%) 27 (5.7%)
Hypotension or postural hypotension 0 2 (0.4%)
Syncope 0 1 (0.2%)

Testing for blood pressure changes or orthostatic hypotension was conducted in three controlled studies. Decreased systolic blood pressure (≤90 mm Hg, with a decrease ≥20 mm Hg from baseline) was observed in none of the 674 placebo patients and 1 (0.2%) of the 469 UROXATRAL patients. Decreased diastolic blood pressure (≤50 mm Hg, with a decrease ≥15 mm Hg from baseline) was observed in 3 (0.4%) of the placebo patients and in 4 (0.9%) of the UROXATRAL patients. A positive orthostatic test (decrease in systolic blood pressure of ≥20 mm Hg upon standing from the supine position) was seen in 52 (7.7%) of placebo patients and in 31 (6.6%) of the UROXATRAL patients.

Post-Marketing Experience

The following adverse reactions have been identified during post approval use of UROXATRAL. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure.

General disorders: edema

Cardiac disorders: tachycardia, chest pain, angina pectoris in patients with pre-existing coronary artery disease, atrial fibrillation

Gastrointestinal disorders: diarrhea

Hepatobiliary disorders: hepatocellular and cholestatic liver injury (including cases with jaundice leading to drug discontinuation)

Respiratory system disorders: rhinitis

Reproductive system disorders: priapism

Skin and subcutaneous tissue disorders: rash, pruritis, urticaria, angioedema

Vascular disorders: flushing

Blood and lymphatic system disorders: thrombocytopenia

During cataract surgery, a variant of small pupil syndrome known as Intraoperative Floppy Iris Syndrome (IFIS) has been reported in some patients on or previously treated with alpha adrenergic antagonists [see Warnings and Precautions].



REPORTS OF SUSPECTED UROXATRAL SIDE EFFECTS / ADVERSE REACTIONS

Below is a sample of reports where side effects / adverse reactions may be related to Uroxatral. The information is not vetted and should not be considered as verified clinical evidence.

Possible Uroxatral side effects / adverse reactions in 82 year old male

Reported by a physician from United States on 2011-10-19

Patient: 82 year old male weighing 65.8 kg (144.7 pounds)

Reactions: Liver Function Test Abnormal, Urine Bilirubin Increased

Suspect drug(s):
Uroxatral



Possible Uroxatral side effects / adverse reactions in 65 year old male

Reported by a consumer/non-health professional from United States on 2011-10-20

Patient: 65 year old male

Reactions: Loss of Consciousness

Adverse event resulted in: hospitalization

Suspect drug(s):
Uroxatral



Possible Uroxatral side effects / adverse reactions in 83 year old male

Reported by a consumer/non-health professional from United States on 2011-11-03

Patient: 83 year old male

Reactions: Pain, Urinary Tract Infection, Sepsis

Adverse event resulted in: hospitalization

Suspect drug(s):
Uroxatral

Other drugs received by patient: ALL Other Therapeutic Products



See index of all Uroxatral side effect reports >>

Drug label data at the top of this Page last updated: 2012-08-01

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