July 25, 2016
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Megace ES

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Megace ES




Side Effects
Interactions

SIDE EFFECTS

Serious And Otherwise Important Adverse Reactions

The following serious reactions and otherwise important adverse drug reactions are discussed in greater detail in other sections of the labeling:

Clinical Trial Experience

Because clinical trials are conducted under widely varying conditions, adverse reactions 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 practice.

The safety of Megace® ES (megestrol acetate oral suspension, 125 mg/mL) was based on three studies of megestrol acetate oral suspension (40 mg/mL). The adverse reaction profile of these 3 studies are presented below.

Adverse events which occurred in at least 5% of patients in any arm of the two clinical efficacy trials and the open trial for megestrol acetate oral suspension are listed below by treatment group. All patients listed had at least one post baseline visit during the 1 2 study weeks.

Table 1: Adverse Events

  Percentage of Patients Reporting Adverse Events
Trial 1 (N=236) Trial 2 (N=87) Open Label Trial
Placebo Placebo
Megestrol Acetate mg/day 0 100 400 800 0 800 1200
No. of Patients N—34 N—68 N—69 N—65 N—38 N—49 N—176
Diarrhea 15 13 8 15 8 6 10
Impotence 3 4 6 14 0 4 7
Rash 9 9 4 12 3 2 6
Flatulence 9 0 1 9 3 10 6
Hypertension 0 0 0 8 0 0 4
Asthenia 3 2 3 6 8 4 5
Insomnia 0 3 4 6 0 0 1
Nausea 9 4 0 5 3 4 5
Anemia 6 3 3 5 0 0 0
Fever 3 6 4 5 3 2 1
Libido Decreased 3 4 0 5 0 2 1
Dyspepsia 0 0 3 3 5 4 2
Hyperglycemia 3 0 6 3 0 0 3
Headache 6 10 1 3 3 0 3
Pain 6 0 0 2 5 6 4
Vomiting 9 3 0 2 3 6 4
Pneumonia 6 2 0 2 3 0 1
Urinary Frequency 0 0 1 2 5 2 1

Adverse events which occurred in 1% to 3% of all patients enrolled in the two clinical efficacy trials with at least one follow-up visit during the first 1 2 weeks of the study are listed below by body system. Adverse events occurring less than 1% are not included. There were no significant differences between incidence of these events in patients treated with megestrol acetate and patients treated with placebo.

Body as a Whole - abdominal pain, chest pain, infection, moniliasis and sarcoma

Cardiovascular System - cardiomyopathy and palpitation

Digestive System - constipation, dry mouth, hepatomegaly, increased salivation and oral moniliasis

Hemic and Lymphatic System - leukopenia

Metabolic and Nutritional - LDH increased, edema and peripheral edema

Nervous System - paresthesia, confusion, convulsion, depression, neuropathy, hypesthesia and abnormal thinking

Respiratory System - dyspnea, cough, pharyngitis and lung disorder

Skin and Appendages - alopecia, herpes, pruritus, vesiculobullous rash, sweating and skin disorder

Special Senses - amblyopia

Urogenital System - albuminuria, urinary incontinence, urinary tract infection and gynecomastia.

Postmarketing Experience

Postmarketing reports associated with megestrol acetate oral suspension include thromboembolic phenomena including thrombophlebitis, deep vein thrombosis, and pulmonary embolism; and glucose intolerance [see WARNINGS AND PRECAUTIONS].

Read the Megace ES (megestrol acetate) Side Effects Center for a complete guide to possible side effects

DRUG INTERACTIONS

Indinavir

Due to the significant decrease in the exposure of indinavir by megestrol acetate, administration of a higher dose of indinavir should be considered when coadministering with megestrol acetate [See CLINICAL PHARMACOLOGY].

Zidovudine And Rifabutin

No dosage adjustment for zidovudine and rifabutin is needed when megestrol acetate is coadministered with these drugs [See CLINICAL PHARMACOLOGY].

Read the Megace ES Drug Interactions Center for a complete guide to possible interactions

This monograph has been modified to include the generic and brand name in many instances.

Last reviewed on RxList: 7/19/2016

Side Effects
Interactions

Megace ES - User Reviews

Megace ES User Reviews

Now you can gain knowledge and insight about a drug treatment with Patient Discussions.

Here is a collection of user reviews for the medication Megace ES sorted by most helpful. Patient Discussions FAQs

Report Problems to the Food and Drug Administration

 

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.


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