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Letrozole 1 mg/ml Gastric Tube Liquid

FDA-approved generic
Dose form
G-Tube Liquid
Active ingredients
Letrozole

The Letrozole 1 mg/ml Gastric Tube Liquid is a specially compounded medication intended for patients who require administration through a gastric tube. This formulation is designed to provide a precise dosage of letrozole, an aromatase inhibitor, in a liquid form that is suitable for patients with swallowing difficulties or those who are unable to take oral medications. It is commonly utilized in hospital settings or for home-based patients with similar needs.

Letrozole is primarily used in the treatment of hormone receptor-positive breast cancer in postmenopausal women. It functions by decreasing the amount of estrogen produced by the body, which can help slow down or reverse the growth of certain types of breast tumors that require estrogen to grow. Additionally, letrozole is sometimes used off-label for fertility issues in women with polycystic ovary syndrome (PCOS) and in adjunctive treatment of endometriosis.

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For prescribers
Prescription details
RxThis formula
Dose formSee below
Quantity____
SigAs directed by prescriber
Refills____
PharmacyBayview Pharmacy, Warwick RI, NCPDP 4106882
Copy prescription detailsOrder form
Controlled substance: e-prescribe (EPCS) from your EHR. Faxed and phoned prescriptions cannot be accepted for this preparation.
Send it from your EHR, or fax to (401) 284-4506. How to e-prescribe this formula
Licensed to fill prescriptions for patients in RI, MA, CT, NJ, NH, FL, ME and PA. New York patients are served on a limited basis while nonresident registration is pending.
To prescribe, you must be a verified prescriber.
To prescribe, you must be in a state where we hold an active out-of-state pharmacy license.
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Requires a prescription from your own provider. Bayview is a pharmacy and does not prescribe.
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Licensed to fill prescriptions for patients in RI, MA, CT, NJ, NH, FL, ME and PA. New York patients are served on a limited basis while nonresident registration is pending.

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Compounded preparations are prepared by Bayview pursuant to a prescription for an individual patient. They are not FDA-approved and have not been evaluated by FDA for safety or effectiveness.
Letrozole
G-Tube Liquid
65b05c11eb4cdab3d2e84999
Service area

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Bayview fills prescriptions for patients in Connecticut, Florida, Maine, Massachusetts, New Hampshire, New Jersey, Pennsylvania and Rhode Island. New York patients are served on a limited basis while nonresident pharmacy registration is pending.

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Formula Information

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Letrozole 1 mg/ml Gastric Tube Liquid is a specialized pharmaceutical preparation tailored for patients who require the therapeutic benefits of Letrozole but are unable to take oral medications due to swallowing difficulties or other contraindications for oral intake. This formulation is particularly beneficial in a hospital setting or for home-based patients with enteral feeding tubes. The liquid form ensures that the medication can be accurately measured and administered through a gastric tube.

Letrozole, the active ingredient in this formulation, is a potent nonsteroidal aromatase inhibitor. It is primarily used in the treatment of hormone receptor-positive breast cancer in postmenopausal women. Letrozole works by decreasing the amount of estrogen produced by the body, which can stimulate the growth of certain types of breast tumors that require estrogen to grow. By inhibiting aromatase, Letrozole helps to halt or reverse the progression of these hormone-sensitive tumors. It may also be used in cases of gynecomastia or as part of fertility treatments under specific circumstances.

The precise dosing afforded by the 1 mg/ml concentration allows for flexibility and individualized treatment regimens, which is critical in managing conditions that require careful hormone modulation, such as breast cancer. The liquid formulation is also advantageous for patients with gastrointestinal issues or those who have undergone surgeries that affect the oral intake of medications. It is important to note that the use of Letrozole should be under the guidance of a healthcare professional with experience in the treatment of hormone-dependent cancers, and regular monitoring is necessary to assess the efficacy and safety of the treatment.

For patients and prescribers considering the use of Letrozole 1 mg/ml Gastric Tube Liquid, it is essential to understand the pharmacokinetics, potential interactions with other medications, and the importance of adherence to the prescribed treatment plan. Additionally, prescribers should be aware of the potential side effects, which may include hot flashes, joint pain, fatigue, and others, and should counsel patients accordingly. As with any medication, the benefits and risks should be weighed on an individual basis.

If you have any questions or require further information about Letrozole 1 mg/ml Gastric Tube Liquid, please do not hesitate to reach out to us at Bayview Pharmacy. Our team of compounding pharmacists is dedicated to providing comprehensive support and guidance to ensure the optimal use of this formulation for the benefit of patients in need of this specialized medication.

Drug Interactions

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Letrozole is an aromatase inhibitor commonly used in the treatment of hormone receptor-positive breast cancer in postmenopausal women. It works by decreasing the amount of estrogen produced by the body, which can slow or stop the growth of some types of breast cancer cells that need estrogen to grow. When letrozole is formulated as a 1 mg/ml gastric tube liquid, it is particularly useful for patients who are unable to swallow pills due to various medical conditions or who require medication administration via a gastric tube.

When considering the use of letrozole in a gastric tube liquid formulation, it is important to be aware of potential drug interactions that may affect the efficacy of the treatment or the patient's overall health. Letrozole should be used with caution in combination with medications that can affect its metabolism. Specifically, letrozole is metabolized by the cytochrome P450 enzyme CYP2A6, and drugs that are strong inhibitors or inducers of this enzyme may alter letrozole levels. For example, certain antifungals (such as ketoconazole) and some antidepressants (such as fluoxetine) can inhibit CYP2A6 and potentially increase letrozole concentrations, while medications like rifampicin and phenytoin can induce CYP2A6 and decrease letrozole levels.

Additionally, letrozole can interact with other hormone therapies, such as estrogen-containing products, which can counteract the effects of letrozole. Patients should avoid concurrent use of estrogen therapies, including hormone replacement therapy or hormonal contraceptives, as these can diminish the therapeutic effect of letrozole. It is also advisable to monitor for interactions with other medications that the patient may be taking for comorbid conditions, as these could potentially alter the pharmacokinetics or pharmacodynamics of letrozole.

Furthermore, letrozole may interact with certain over-the-counter medications, herbal supplements, and vitamins. For instance, products containing St. John's Wort may induce the metabolism of letrozole, potentially reducing its effectiveness. Patients should be advised to consult with their healthcare provider before starting any new medications, supplements, or herbal products while on letrozole therapy.

It is also important to consider the potential for drug-disease interactions. For example, patients with osteoporosis or at risk for bone fractures should be monitored closely, as letrozole can decrease bone mineral density over time. Additionally, patients with severe liver impairment may require dose adjustments or closer monitoring due to the potential for increased exposure to letrozole.

For patients and prescribers considering the use of letrozole 1 mg/ml gastric tube liquid, it is crucial to review the patient's complete medication profile for potential interactions and to adjust therapy accordingly. Close monitoring for side effects, therapeutic efficacy, and routine follow-up are essential components of patient care. If you have any questions or require further information regarding drug interactions with letrozole gastric tube liquid formulation, please reach out to us at Bayview Pharmacy. Our team of compounding pharmacists is here to provide support and guidance to ensure appropriate treatment for our patients.

How Does it Work

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Letrozole is an aromatase inhibitor, a class of drugs used primarily in the treatment of breast cancer in postmenopausal women. The enzyme aromatase is responsible for the synthesis of estrogen in the body. Letrozole works by binding to the aromatase enzyme, thereby inhibiting its action and leading to a decrease in estrogen levels in the body. This reduction in estrogen concentration can slow down or even reverse the growth of estrogen-dependent breast cancer cells.

The Letrozole 1 mg/ml Gastric Tube Liquid formulation is specifically designed for patients who are unable to take medications orally. This could be due to various reasons such as dysphagia (difficulty swallowing), gastrointestinal disorders, or the need for medications while the patient is under sedation or unconscious. The liquid formulation allows for the drug to be administered directly into the stomach via a gastric tube, ensuring that the patient receives the medication without the need for swallowing. This method of delivery is particularly useful in hospital settings or for long-term care patients who have persistent issues with oral intake.

When administered through a gastric tube, the liquid formulation of Letrozole is absorbed by the stomach and enters the bloodstream, where it then exerts its effect on the aromatase enzyme. The precise 1 mg/ml concentration allows healthcare providers to accurately dose the medication according to the individual needs of the patient, which is critical for achieving the desired therapeutic effect while minimizing potential side effects. It is important to note that the efficacy and safety of Letrozole as a gastric tube liquid formulation have been established based on clinical pharmacology principles and the known pharmacokinetics of the drug when administered orally.

Patients and prescribers considering the use of Letrozole 1 mg/ml Gastric Tube Liquid should be aware that the medication is intended for the treatment of certain types of breast cancer and may not be suitable for all patients. It is essential to consult with a healthcare professional to determine if this formulation is appropriate for a specific patient's condition. Additionally, monitoring for side effects and regular assessment of treatment efficacy are important aspects of patient care while using this medication.

If you have any questions about the Letrozole 1 mg/ml Gastric Tube Liquid formulation or its use in treating breast cancer, please reach out to us at Bayview Pharmacy. Our team of compounding pharmacists is here to provide you with the information and support you need to ensure appropriate treatment for your patients.

Frequently Asked Questions

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What is Letrozole 1 mg/ml Gastric Tube Liquid and who is it for?

Letrozole 1 mg/ml Gastric Tube Liquid is a specially compounded formulation of the medication Letrozole, presented in a liquid form for ease of administration through a gastric tube. This is ideal for patients who are unable to take oral medications, including those with swallowing difficulties or who are in a hospital setting.

How should Letrozole 1 mg/ml Gastric Tube Liquid be administered?

This medication should be administered directly through a gastric tube according to the prescribed dosage. It is important to follow specific instructions provided by the healthcare professional, including the volume of medication to be administered and the proper technique to ensure safety and efficacy.

Can Letrozole 1 mg/ml Gastric Tube Liquid be taken orally by patients who can swallow?

While the formulation is designed for administration via a gastric tube, it may be possible for patients who can swallow to take it orally. However, this should only be done under the guidance of a healthcare professional to ensure the correct dosage and method of administration are used.

Are there any storage requirements for Letrozole 1 mg/ml Gastric Tube Liquid?

Yes, the liquid should be stored at room temperature away from light and moisture. It is important to keep the medication in its original container and out of reach of children and pets. Check the expiration date regularly and dispose of any unused medication properly.

How is the dose of Letrozole 1 mg/ml Gastric Tube Liquid determined?

The dose is typically determined by the prescribing physician based on the individual patient's needs, medical condition, and response to treatment. It is crucial to follow the prescribed dose and not to alter it unless advised by a healthcare professional.

What should I do if a dose of Letrozole 1 mg/ml Gastric Tube Liquid is missed?

If a dose is missed, it should be administered as soon as possible. However, if it is close to the time for the next dose, skip the missed dose and return to the regular dosing schedule. Do not double the dose to catch up without consulting with a healthcare professional.

Are there any side effects associated with Letrozole 1 mg/ml Gastric Tube Liquid?

As with any medication, there may be side effects. Common side effects can include nausea, fatigue, and hot flashes. If the patient experiences any severe side effects or signs of an allergic reaction, medical attention should be sought immediately. Always report any unexpected side effects to the prescribing physician.

Can other medications be taken alongside Letrozole 1 mg/ml Gastric Tube Liquid?

Before starting any new medications, supplements, or over-the-counter drugs, it is important to consult with the healthcare provider to ensure that there are no potential interactions with Letrozole. Some substances may interfere with the efficacy of Letrozole or increase the risk of side effects.

How long will a patient need to take Letrozole 1 mg/ml Gastric Tube Liquid?

The duration of treatment with Letrozole 1 mg/ml Gastric Tube Liquid depends on the patient's medical condition and response to treatment. The prescribing physician will provide guidance on the expected treatment duration, which must be followed unless advised otherwise.

Is there any specific patient monitoring required when using Letrozole 1 mg/ml Gastric Tube Liquid?

Yes, patients on Letrozole may require regular monitoring of their condition and possible adjustment of medication by a healthcare provider. This could include blood tests or other medical evaluations to ensure the medication is working properly and to check for side effects.

Can Letrozole 1 mg/ml Gastric Tube Liquid be used during pregnancy or breastfeeding?

Letrozole is typically not recommended for use during pregnancy or breastfeeding. It is classified as a pregnancy category X drug due to the potential for harm to the developing fetus or infant. Patients who are pregnant or breastfeeding should consult their healthcare provider for alternative treatments.

About this compounded preparation

This formulation is compounded by Bayview Pharmacy on a prescriber's order for an individual patient. It is not an FDA-approved drug product, and the FDA has not evaluated it for safety, effectiveness, or manufacturing quality.

A valid prescription is required. Availability depends on Bayview's licensure in your state. This page is general information, not medical advice. Discuss your situation with a licensed healthcare provider.

Formulas and/or material listed are not to be interpreted as a promise, guarantee or claim of therapeutic efficacy or safety. The information contained herein is not intended to replace or substitute for conventional medical care, or encourage its abandonment. Every patient is unique, and formulas should be adjusted to meet their individual needs.

No compounded medications are reviewed by the FDA for safety or efficacy.
For prescribers

How to e-prescribe this formula

Controlled substance: e-prescribe only (EPCS). Faxed, phoned, and handwritten prescriptions cannot be filled. Rhode Island law (R.I. Gen. Laws § 21-28-3.18) requires Schedule II to V prescriptions to be transmitted electronically.
1

Find Bayview in your EHR's pharmacy directory

Search by NCPDP 4106882, or by name and ZIP: Bayview Pharmacy, Warwick, RI 02886. Select it as the destination pharmacy and save it as a favorite. Click any value to copy it.

NCPDP4106882NPI1750455143Address3844 Post Rd, Warwick, RI 02886Phone(401) 284-4505Fax(401) 284-4506
2

Enter the formula as a compound

Compounded preparations have no NDC, so this formula will not appear in your EHR's drug search. Use your system's compound, non-formulary, or free-text prescription entry and name the preparation exactly as written in step 3. If your EHR forces you to pick a listed drug, pick the closest entry for the active ingredient and put the full formula in the prescription body (the Sig or directions field), not in Notes to Pharmacy.

Compounded preparations have no NDC and will not appear in your drug search. For EPCS to validate, select a drug entry your EHR recognizes as controlled, usually the bulk powder entry for the active ingredient (for example Ketamine (bulk) powder, not a branded product), then put the full formula from step 3 in the prescription body. A free-text entry that does not validate as controlled will be rejected by your EPCS module.

3

Copy the prescription details

RxFormula name
Dose formDose form
Quantity________
SigAs directed by prescriber
Refills____
PharmacyBayview Pharmacy, Warwick RI, NCPDP 4106882
Copy prescription details

Quantity and directions are starting points for this dose form, not treatment recommendations. Dosing remains the prescriber's responsibility.

4

Send it

Transmit from your EHR. For this non-controlled preparation we also accept fax to (401) 284-4506 and phoned orders at (401) 284-4505. Order forms are on the formulation pages and in the prescriber portal.

Transmit with two-factor authentication through your EPCS-enabled EHR. No order form is offered for this preparation; e-prescribing guides for our controlled preparations are on the formulation pages.

Do not use Notes to Pharmacy for the formula. Some EHRs keep that field internal and never transmit it. A prescription that arrives without the formula is delayed while we call your office.

Licensed to dispense in RI, MA, CT, NJ, NH, FL, ME, and PA; New York is served on a limited basis while nonresident registration is pending. Compounded preparations are not FDA-approved. A valid prescription is required. Full guide, including steps by EHR: How to e-prescribe to Bayview. Questions about this formula: call (401) 284-4505.

Letrozole 1 mg/ml Gastric Tube Liquid
G-Tube Liquid
60 mL
controlled
Once daily