Diethylpropion Hcl Controlled-release
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Questions & Answers
Side Effects & Adverse Reactions
Diethylpropion hydrochloride should not be used in combination with other anorectic agents, including prescribed drugs, over-the-counter preparations, and herbal products.
In a case-control epidemiological study, the use of anorectic agents, including diethylpropion, was associated with an increased risk of developing pulmonary hypertension, a rare, but often fatal disorder. The use of anorectic agents for longer than 3 months was associated with a 23-fold increase in the risk of developing pulmonary hypertension. Increased risk of pulmonary hypertension with repeated courses of therapy cannot be excluded.
The onset or aggravation of exertional dyspnea, or unexplained symptoms of angina pectoris, syncope, or lower extremity edema suggest the possibility of occurrence of pulmonary hypertension. Under these circumstances, diethylpropion hydrochloride should be immediately discontinued, and the patient should be evaluated for the possible presence of pulmonary hypertension.
Valvular heart disease associated with the use of some anorectic agents such as fenfluramine and dexfenfluramine has been reported. Possible contributing factors include use for extended periods of time, higher than recommended dose, and/or use in combination with other anorectic drugs. Valvulopathy has been very rarely reported with diethylpropion hydrochloride monotherapy, but the causal relationship remains uncertain. The potential risk of possible serious adverse effects such as valvular heart disease and pulmonary hypertension should be assessed carefully against the potential benefit of weight loss. Baseline cardiac evaluation should be considered to detect preexisting valvular heart diseases or pulmonary hypertension prior to initiation of diethylpropion hydrochloride treatment. Diethylpropion hydrochloride is not recommended in patients with known heart murmur or valvular heart disease. Echocardiogram during and after treatment could be useful for detecting any valvular disorders which may occur.
To limit unwarranted exposure and risks, treatment with diethylpropion hydrochloride should be continued only if the patient has satisfactory weight loss within the first 4 weeks of treatment (e.g., weight loss of at least 4 pounds, or as determined by the physician and patient).
Diethylpropion hydrochloride is not recommended for patients who used any anorectic agents within the prior year.
If tolerance develops, the recommended dose should not be exceeded in an attempt to increase the effect; rather, the drug should be discontinued. Diethylpropion hydrochloride may impair the ability of the patient to engage in potentially hazardous activities such as operating machinery or driving a motor vehicle; the patient should therefore be cautioned accordingly.
Prolonged use of diethylpropion hydrochloride may induce dependence with withdrawal syndrome on cessation of therapy. Hallucinations have occurred rarely following high doses of the drug. Several cases of toxic psychosis have been reported following the excessive use of the drug and some have been reported in which the recommended dose appears not to have been exceeded. Psychosis abated after the drug was discontinued.
When central nervous system active agents are used, consideration must always be given to the possibility of adverse interactions with alcohol.
Legal Issues
There is currently no legal information available for this drug.
FDA Safety Alerts
There are currently no FDA safety alerts available for this drug.
Manufacturer Warnings
There is currently no manufacturer warning information available for this drug.
FDA Labeling Changes
There are currently no FDA labeling changes available for this drug.
Uses
Diethylpropion hydrochloride is indicated in the management of exogenous obesity as a short-term adjunct (a few weeks) in a regimen of weight reduction based on caloric restriction in patients with an initial body mass index (BMI) of 30 kg/m 2 or higher and who have not responded to appropriate weight reducing regimen (diet and/or exercise) alone. Below is a chart of BMI based on various heights and weights. BMI is calculated by taking the patient’s weight, in kilograms (kg), divided by the patient’s height, in meters (m), squared. Metric conversions are as follows: pounds divided by 2.2 = kg; inches x 0.0254 = meters.
| Weight (pounds) | Height (feet, inches) | |||||
| 5’0” | 5’3” | 5’6” | 5’9” | 6’0” | 6’3” | |
| 140 | 27 | 25 | 23 | 21 | 19 | 18 |
| 150 | 29 | 27 | 24 | 22 | 20 | 19 |
| 160 | 31 | 28 | 26 | 24 | 22 | 20 |
| 170 | 33 | 30 | 28 | 25 | 23 | 21 |
| 180 | 35 | 32 | 29 | 27 | 25 | 23 |
| 190 | 37 | 34 | 31 | 28 | 26 | 24 |
| 200 | 39 | 36 | 32 | 30 | 27 | 25 |
| 210 | 41 | 37 | 34 | 31 | 29 | 26 |
| 220 | 43 | 39 | 36 | 33 | 30 | 28 |
| 230 | 45 | 41 | 37 | 34 | 31 | 29 |
| 240 | 47 | 43 | 39 | 36 | 33 | 30 |
| 250 | 49 | 44 | 40 | 37 | 34 | 31 |
The usefulness of agents of this class (see CLINICAL PHARMACOLOGY) should be measured against possible risk factors inherent in their use such as those described below. Diethylpropion hydrochloride is indicated for use as monotherapy only.
History
There is currently no drug history available for this drug.
Other Information
Diethylpropion hydrochloride is available for oral administration in immediate-release tablets containing 25 mg diethylpropion hydrochloride and in controlled-release tablets containing 75 mg diethylpropion hydrochloride. The inactive ingredients in each immediate-release tablet are: cornstarch, lactose, magnesium stearate, pregelatinized cornstarch, talc, and tartaric acid. The inactive ingredients in each controlled-release tablet are: carbomer 934P, mannitol, povidone, tartaric acid, zinc stearate. Diethylpropion hydrochloride is a sympathomimetic agent. The chemical name for diethylpropion hydrochloride is 1-phenyl-2-diethylamino-1-propanone hydrochloride.
Its chemical structure is:
The diethylpropion hydrochloride 75 mg formulation is dispersed in a hydrophilic matrix. On exposure to water, the diethylpropion hydrochloride is released at a relatively uniform rate as a result of slow hydration of the matrix. The result is controlled release of the anorectic agent.
Sources
Diethylpropion Hcl Controlled-release Manufacturers
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Blenheim Pharmacal, Inc.
![Diethylpropion Hcl Controlled-release (Diethylpropion Hydrochloride) Tablet [Blenheim Pharmacal, Inc.]](/wp-content/themes/bootstrap/assets/img/loading2.gif)
Diethylpropion Hcl Controlled-release | Blenheim Pharmacal, Inc.
Diethylpropion hydrochloride immediate-release:
One immediate-release 25 mg tablet three times daily, one hour before meals, and in midevening if desired to overcome night hunger.
Diethylpropion hydrochloride controlled-release:
One controlled-release 75 mg tablet daily, swallowed whole, in midmorning.
Geriatric Use:
This drug is known to be substantially excreted by the kidney, and the risk of toxic reactions to this drug may be greater in patients with impaired renal function. Because elderly patients are more likely to have decreased renal function, care should be taken in dose selection, and it may be useful to monitor renal function. (See PRECAUTIONS, Geriatric Use.)
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Rebel Distributors Corp
Diethylpropion Hcl Controlled-release | Rebel Distributors Corp
Diethylpropion hydrochloride immediate-release:
One immediate-release 25 mg tablet three times daily, one hour before meals, and in midevening if desired to overcome night hunger.
Diethylpropion hydrochloride controlled-release:
One controlled-release 75 mg tablet daily, swallowed whole, in midmorning.
Geriatric Use:
This drug is known to be substantially excreted by the kidney, and the risk of toxic reactions to this drug may be greater in patients with impaired renal function. Because elderly patients are more likely to have decreased renal function, care should be taken in dose selection, and it may be useful to monitor renal function. (See PRECAUTIONS, Geriatric Use.)
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Bryant Ranch Prepack
Diethylpropion Hcl Controlled-release | Bryant Ranch Prepack
Diethylpropion hydrochloride immediate-release:
One immediate-release 25 mg tablet three times daily, one hour before meals, and in midevening if desired to overcome night hunger.
Diethylpropion hydrochloride controlled-release:
One controlled-release 75 mg tablet daily, swallowed whole, in midmorning.
Geriatric Use:
This drug is known to be substantially excreted by the kidney, and the risk of toxic reactions to this drug may be greater in patients with impaired renal function. Because elderly patients are more likely to have decreased renal function, care should be taken in dose selection, and it may be useful to monitor renal function. (See PRECAUTIONS, Geriatric Use.)
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Preferred Pharmaceuticals, Inc.
Diethylpropion Hcl Controlled-release | St Marys Medical Park Pharmacy
Omeprazole delayed-release capsules should be taken before eating. In the clinical trials, antacids were used concomitantly with omeprazole.
Patients should be informed that the omeprazole delayed-release capsule should be swallowed whole.
For patients unable to swallow an intact capsule, alternative administration options are available [See Dosage and Administration (2.8)].
2.1 Short-Term Treatment of Active Duodenal UlcerThe recommended adult oral dose of omeprazole delayed-release capsules are 20 mg once daily. Most patients heal within four weeks. Some patients may require an additional four weeks of therapy.
2.2 H. pylori Eradication for the Reduction of the Risk of Duodenal Ulcer RecurrenceTriple Therapy (omeprazole/clarithromycin/amoxicillin)
The recommended adult oral regimen is omeprazole delayed-release capsules 20 mg plus clarithromycin 500 mg plus amoxicillin 1000 mg each given twice daily for 10 days. In patients with an ulcer present at the time of initiation of therapy, an additional 18 days of omeprazole delayed-release capsules 20 mg once daily is recommended for ulcer healing and symptom relief.Dual Therapy (omeprazole/clarithromycin)
2.3 Gastric Ulcer
The recommended adult oral regimen is omeprazole delayed-release capsules 40 mg once daily plus clarithromycin 500 mg three times daily for 14 days. In patients with an ulcer present at the time of initiation of therapy, an additional 14 days of omeprazole delayed-release capsules 20 mg once daily is recommended for ulcer healing and symptom relief.The recommended adult oral dose is 40 mg once daily for 4 to 8 weeks.
2.4 Gastroesophageal Reflux Disease (GERD)The recommended adult oral dose for the treatment of patients with symptomatic GERD and no esophageal lesions is 20 mg daily for up to 4 weeks. The recommended adult oral dose for the treatment of patients with erosive esophagitis and accompanying symptoms due to GERD is 20 mg daily for 4 to 8 weeks.
2.5 Maintenance of Healing of Erosive EsophagitisThe recommended adult oral dose is 20 mg daily. [See Clinical Studies (14.4)]
2.6 Pathological Hypersecretory ConditionsThe dosage of omeprazole delayed-release capsules in patients with pathological hypersecretory conditions varies with the individual patient. The recommended adult oral starting dose is 60 mg once daily. Doses should be adjusted to individual patient needs and should continue for as long as clinically indicated. Doses up to 120 mg three times daily have been administered. Daily dosages of greater than 80 mg should be administered in divided doses. Some patients with Zollinger-Ellison syndrome have been treated continuously with omeprazole delayed-release capsules for more than 5 years.
2.7 Pediatric PatientsFor the treatment of GERD and maintenance of healing of erosive esophagitis, the recommended daily dose for pediatric patients 2 to 16 years of age is as follows:
Patient Weight Omeprazole Daily Dose10 < 20 kg
10 mg
≥ 20 kg
20 mg
On a per kg basis, the doses of omeprazole required to heal erosive esophagitis in pediatric patients are greater than those for adults.
Alternative administrative options can be used for pediatric patients unable to swallow an intact capsule [See Dosage and Administration (2.8)].
2.8 Alternative Administration OptionsOmeprazole is available as a delayed-release capsule.
For patients who have difficulty swallowing capsules, the contents of an omeprazole delayed-release capsule can be added to applesauce.
One tablespoon of applesauce should be added to an empty bowl and the capsule should be opened. All of the pellets inside the capsule should be carefully emptied on the applesauce. The pellets should be mixed with the applesauce and then swallowed immediately with a glass of cool water to ensure complete swallowing of the pellets. The applesauce used should not be hot and should be soft enough to be swallowed without chewing. The pellets should not be chewed or crushed. The pellets/applesauce mixture should not be stored for future use.
![Diethylpropion Hcl Controlled-release (Diethylpropion Hydrochloride) Tablet [Rebel Distributors Corp]](http://dailymed.nlm.nih.gov/dailymed/image.cfm?setid=b26c2f51-7436-4622-a174-3f3978a1fda2&name=f30aa4fe-15ac-4412-afae-fae3b940a74c-02.jpg)
![Diethylpropion Hcl Controlled-release (Diethylpropion Hydrochloride) Tablet [Bryant Ranch Prepack]](http://dailymed.nlm.nih.gov/dailymed/image.cfm?setid=af3d7879-7160-5b02-01e4-bd02f53c8018&name=label1datamaxfda463.jpg)
![Diethylpropion Hcl Controlled-release (Diethylpropion Hydrochloride) Tablet [Preferred Pharmaceuticals, Inc.]](http://dailymed.nlm.nih.gov/dailymed/image.cfm?setid=f88abaf8-066b-4015-adb9-92d343a2f468&name=Omeprazole40mg.jpg)
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