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SECTRAL SIDE EFFECTS

  • Generic Name: acebutolol
  • Brand Name: Sectral
  • Drug Class: Antidysrhythmics, II, Beta-Blockers, Intrinsic Sympathomimetic
Last updated on MDtodate: 10/02/2022

SIDE EFFECTS

Sectral is well tolerated in properly selected patients. Most adverse reactions have been mild, not required discontinuation of therapy, and tended to decrease as duration of treatment increases.

The following table shows the frequency of treatment-related side effects derived from controlled clinical trials in patients with hypertension, angina pectoris, and arrhythmia. These patients received Sectral, propranolol, or hydrochlorothiazide as mono therapy, or placebo.

TOTAL VOLUNTEERED AND ELICITED (U.S.STUDIES)

 

Body System/
Adverse Reaction
SECTRAL
(N=1002) %
Propranolol
(N=424) %
Hydrochloro-
thiazide
(N=178) %
Placebo
(N=314) %
Cardiovascular
Chest Pain 2 4 4 1
Edema 2 2 4 1
Central Nervous System
Depression 2 1 3 1
Dizziness 6 7 12 2
Fatigue 11 17 10 4
Headache 6 9 13 4
Insomnia 3 6 5 1
Abnormal dreams 2 3 0 1
Dermatologic
Rash 2 2 4 1
Gastrointestinal
Constipation 4 2 7 0
Diarrhea 4 5 5 1
Dyspepsia 4 6 3 1
Flatulence 3 4 7 1
Nausea 4 6 3 0
Genitourinary
Micturition (frequency) 3 1 9 <1
Musculoskeletal
Arthralgia 2 1 3 2
Myalgia 2 1 4 0
Respiratory
Cough 1 1 2 0
Dyspnea 4 6 4 2
Rhinitis 2 1 4 <1
Special Senses
Abnormal Vision 2 2 3 0

 

The following selected (potentially important) side effects were seen in up to 2% of Sectral patients:

Cardiovascular: hypotension, bradycardia, heart failure.

Central Nervous System: anxiety, hyper/hypoesthesia, impotence.

Dermatological: pruritus.

Gastrointestinal: vomiting, abdominal pain.

Genitourinary: dysuria, nocturia.

Liver and Biliary System: A small number of cases of liver abnormalities (increased SGOT, SGPT, LDH) have been reported in association with acebutolol therapy. In some cases increased bilirubin or alkaline phosphatase, fever, malaise, dark urine, anorexia, nausea, headache, and/or other symptoms have been reported. In some of the reported cases, the symptoms and signs were confirmed by rechallenge with acebutolol. The abnormalities were reversible upon cessation of acebutolol therapy.

Musculoskeletal: back pain, jointpain.

Respiratory: pharyngitis, wheezing.

Special Senses: conjunctivitis, dry eye, eye pain.

Autoimmune: In extremely rareinstances, systemic lupus erythematosus has been reported.

The incidence of drug-related adverse effects (volunteered and solicited) according to Sectral dose is shown below. (Data from 266hypertensive patients treated for 3 months on a constant dose.)

 

 

Body System 400 mg/day
(N=132)
800 mg/day
(N=63)
1200 mg/day
(N=71)
Cardiovascular 5% 2% 1%
Gastrointestinal 3% 3% 7%
Musculoskeletal 2% 3% 4%
Central Nervous System 9% 13% 17%
Respiratory 1% 5% 6%
Skin 1% 2% 1%
Special Senses 2% 2% 6%
Genitourinary 2% 3% 1%

 

Potential Adverse Events

In addition, certain adverse effects not listed above have been reported with other β-blocking agents and should also be considered as potential adverse effects of Sectral.

Central Nervous System: Reversible mental depression progressing to catatonia (an acute syndrome characterized by disorientation for time and place), short-term memory loss, emotional lability, slightly cloudedsensorium, and decreased performance(neuropsychometrics).

Cardiovascular:Intensification of AV block.

Allergic: Erythematousrash, fever combined with aching and sore throat, laryngospasm, and respiratorydistress.

Hematologic: Agranulocytosis, nonthrombocytopenic, and thrombocytopenic purpura.

Gastrointestinal: Mesenteric arterial thrombosis and ischemic colitis.

Miscellaneous: Reversiblealopecia and Peyronie’s disease. The oculomucocutaneous syndrome associated with the β-blocker practolol has not been reported with Sectral during investigational use and extensive foreign clinical experience.

 

SRC: NLM .

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