Casodex
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SIDE EFFECTS

In patients with advanced prostate cancer treated with CASODEX in combination with an LHRH analogue, the most frequent adverse experience was hot flashes (53%).

In the multicenter, double-blind, controlled clinical trial comparing CASODEX 50 mg once daily with flutamide 250 mg three times a day, each in combination with an LHRH analogue, the following adverse experiences with an incidence of 5% or greater, regardless of causality, have been reported.

Table 2

Incidence of Adverse Events (³5% In Either Treatment Group) Regardless of Causality

Body System /
Adverse Event
Treatment Group
Number of Patients (%)
CASODEX Plus
LHRH Analogue
Flutamide Plus
LHRH Analogue
(n= 401) (n= 407)
Body as a Whole
Pain (General) 142 (35) 127 (31)
Back Pain 102 (25) 105 (26)
Asthenia 89 (22) 87 (21)
Pelvic Pain 85 (21) 70 (17)
Infection 71 (18) 57 (14)
Abdominal Pain 46 (11) 46 (11)
Chest Pain 34 (8) 34 (8)
Headache 29 (7) 27 (7)
Flu Syndrome 28 (7) 30 (7)
Cardiovascular
Hot Flashes 211 (53) 217 (53)
Hypertension 34 (8) 29 (7)
Digestive
Constipation 87 (22) 69 (17)
Nausea 62 (15) 58 (14)
Diarrhea 49 (12) 107 (26)
Increased Liver Enzyme Test 30 (7) 46 (11)
Dyspepsia 30 (7) 23 (6)
Flatulence 26 (6) 22 (5)
Anorexia 25 (6) 29 (7)
Vomiting 24 (6) 32 (8)
Hemic and Lymphatic
Anemia 45 (11) 53 (13)
Metabolic and Nutritional
Peripheral Edema 53 (13) 42 (10)
Weight Loss 30 (7) 39 (10)
Hyperglycemia 26 (6) 27 (7)
Alkaline Phosphatase 22 (5) 24 (6)


Increased Weight Gain
22 (5) 18 (4)
Musculoskeletal
Bone Pain 37 (9) 43 (11)
Myasthenia 27 (7) 19 (5)
Arthritis 21 (5) 29 (7)
Pathological Fracture 17 (4) 32 (8)
Nervous System
Dizziness 41 (10) 35 (9)
Paresthesia 31 (8) 40 (10)
Insomnia 27 (7) 39 (10)
Anxiety 20 (5) 9 (2)
Depression 16 (4) 33 (8)
Respiratory System
Dyspnea 51 (13) 32 (8)
Cough Increased 33 (8) 24 (6)
Pharyngitis 32 (8) 23 (6)
Bronchitis 24 (6) 22 (3)
Pneumonia 18 (4) 19 (5)
Rhinitis 15 (4) 22 (5)
Skin and Appendages
Rash  35 (9) 30 (7)
Sweating 25 (6) 20 (5)
Urogenital
Nocturia 49 (12) 55 (14)
Hematuria 48 (12) 26 (6)
Urinary Tract Infection 35 (9) 36 (9)
Gynecomastia 36 (9) 30 (7)
Impotence 27 (7) 35 (9)
Breast Pain 23 (6) 15 (4)
Urinary Frequency 23 (6) 29 (7)
Urinary Retention 20 (5) 14 (3)
Urination Impaired 19 (5) 15 (4)
Urinary Incontinence 15 (4) 32 (8)


† Increased liver enzyme test includes increases in AST, ALT or both.

‡ Anemia includes anemia, hypochromic-and iron deficiency anemia

Other adverse experiences (greater than or equal to 2%, but less than 5%) reported in the CASODEX-LHRH analogue treatment group are listed below by body system and are in order of decreasing frequency within each body system regardless of causality.

Body as a Whole: Neoplasm; Neck pain; Fever; Chills; Sepsis; Hernia; Cyst

Cardiovascular: Angina pectoris; Congestive heart failure; Myocardial infarct; Heart arrest; Coronary artery disorder; Syncope

Digestive: Melena; Rectal hemorrhage; Dry mouth; Dysphagia; Gastrointestinal disorder; Periodontal abscess; Gastrointestinal carcinoma

Metabolic and Nutritional: Edema; BUN increased; Creatinine increased; Dehydration; Gout; Hypercholesteremia

Musculoskeletal: Myalgia; Leg cramps

Nervous: Hypertonia; Confusion; Somnolence; Libido decreased; Neuropathy; Nervousness

Respiratory: Lung disorder; Asthma; Epistaxis; Sinusitis

Skin and Appendages: Dry skin; Alopecia; Pruritus; Herpes zoster; Skin carcinoma; Skin disorder

Special Senses: Cataract specified

Urogenital: Dysuria; Urinary urgency; Hydronephrosis; Urinary tract disorder

Abnormal Laboratory Test Values: Laboratory abnormalities including elevated AST, ALT, bilirubin, BUN, and creatinine and decreased hemoglobin and white cell count have been reported in both CASODEX-LHRH analogue treated and flutamide LHRH analogue treated patients.


DRUG INTERACTIONS

In vitro studies have shown CASODEX can displace coumarin anticoagulants, such as warfarin, from their protein-binding sites. It is recommended that if CASODEX is started in patients already receiving coumarin anticoagulants, prothrombin times should be closely monitored and adjustment of the anticoagulant dose may be necessary (see CLINICAL PHARMACOLOGY, Drug-Drug Interactions).

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