Mamomit

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Mamomit

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Method of action: Antitumour, Cytostatic

Treatment option: Carcinoma, Cancer, Cancer,Prostate

Medically reviewed

Marina Burgos

Last updated on 22/12/2025

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

Overview of Mamomit

Property Description
Active ingredient Aminoglutethimide (DL-Aminoglutethimide)
Form Tablet (oral administration)
Pharmacological class Adrenal Steroid Synthesis Inhibitor and Aromatase Inhibitor
General purpose To reduce systemic levels of steroid hormones
Origin Synthetic derivative

Mamomit is a specific, prescription-only medication defined as a synthetic derivative and a small molecule drug entity, administered orally as a single-ingredient tablet. Its core substance, Aminoglutethimide (DL-Aminoglutethimide), is the chemical entity that provides the therapeutic effect.


Classification and General Mechanism

Mamomit is primarily classified as an Adrenal Steroid Synthesis Inhibitor, placing it within the specialized field of endocrine therapy (WHO ATC code L02BG01). It also holds the distinct classification of an Aromatase Inhibitor. This dual mechanism defines the drug's fundamental purpose: controlling the body's hormone environment by chemically lowering the systemic levels of specific steroid hormones. The drug inhibits the enzymatic pathways necessary for adrenal and peripheral steroid production, which works by actively slowing the creation of hormones.


Unique Role in Hormone Modulation

This medication's unique role lies in its ability to intervene upstream by preventing the synthesis of hormones, including cortisol and estrogens. Aminoglutethimide's action involves binding to and inhibiting key enzymes, notably Aromatase (CYP19A1), thereby reducing the total circulating pool of stimulating hormones. It serves as a steroidogenesis inhibitor designed to reduce the production of glucocorticoids and mineralocorticoids, among other steroids. This action cuts off the supply of specific hormones in the body, offering a strategy for managing health issues driven by hormone reliance or overproduction.

What side effects are possible with Mamomit?

Possible Side Effects and Safety Information

Adverse reactions to Mamomit (Aminoglutethimide) are formally classified by regulatory authorities based on their frequency and the system-organ class affected. The drug's safety profile is defined by its primary action as a steroidogenesis inhibitor.


Official Adverse Reactions and Classification

Classification System-Organ Class Examples of Adverse Reactions
Common Nervous System Drowsiness, Ataxia
Common Skin and Subcutaneous Tissue Rash, Pruritus
Common Endocrine and Metabolic System Fatigue, Lethargy
Common Blood and Lymphatic System Leukopenia (often transient)
Uncommon Skin and Subcutaneous Tissue Exfoliative dermatitis

Serious Adverse Reactions and Safety Constraints

The most significant safety constraint is the potential for adrenal insufficiency, which is a consequence of the drug's expected effect of causing chemically-induced adrenal suppression in all patients. Other serious reactions documented in regulatory labeling include drug fever.

Safety information notes that certain common effects, such as drowsiness and rash, are often transient and may be more frequently observed at the beginning of therapy. Additionally, the medication requires caution in patients with hepatic impairment due to the potential for hepatic dysfunction, as the liver is involved in drug metabolism.

This classification ensures that all reported adverse reactions and safety constraints are strictly based on government-approved data, providing a structured understanding of the medicine's risk profile.

Overdose and Emergency Response

Overdose and when to seek help

The official regulatory documentation for Mamomit (Aminoglutethimide) establishes a defined profile of clinical manifestations that may occur following an overdose, necessitating immediate medical evaluation.

Documented Manifestations and Severe Outcomes

Excessive exposure is documented to induce effects across the Central Nervous System (CNS), ranging from drowsiness, somnolence, and lethargy, along with signs like ataxia and dizziness. Overdose may progress to the severe outcome of Coma. The respiratory system is critically affected, with the potential for Hypoventilation and Respiratory Depression. Furthermore, official labeling indicates risks to volume status and circulation, specifically Hypotension and Hypovolemic Shock resulting from dehydration. These severe manifestations define the acute and life-threatening risks associated with excessive exposure.

Required Emergency Action

Regulatory guidance mandates that medical attention must be sought urgently in the event of a suspected or confirmed overdose. Management is officially defined as symptomatic and supportive treatment. Specific procedures documented for consideration by healthcare professionals include the use of Gastric Lavage to decrease drug absorption and Dialysis to enhance the elimination of the drug from the body. The regulatory profile emphasizes that due to the potential for severe clinical consequences, urgent, high-level supportive care is required.

Therapeutic Uses of Mamomit

Main Therapeutic Uses

Mamomit is an endocrine therapy primarily utilized in the management of hormone receptor-positive breast cancer. It is specifically indicated for use in postmenopausal women, as its mechanism of action relies on the physiological state following the cessation of ovarian function.

The medication is employed in the following clinical contexts:

  • Adjuvant Treatment: It is used as an additional therapy following primary treatments, such as surgery, to reduce the risk of cancer recurrence in early-stage breast cancer.
  • Advanced or Metastatic Disease: It is used to manage breast cancer that has progressed locally or spread to other parts of the body.
  • Sequential Therapy: It may be prescribed following a period of treatment with other endocrine modifiers to provide continued suppression of hormone-driven tumor growth.

Mechanism and Benefits

The primary benefit of Mamomit lies in its ability to lower systemic estrogen levels. In postmenopausal women, the main source of estrogen is the conversion of androgen precursors in peripheral tissues. By inhibiting this conversion process, Mamomit effectively deprives hormone-sensitive tumor cells of the signals required for proliferation.

Clinical benefits of this therapeutic approach include:

  • Tumor Regression: In advanced cases, the reduction in circulating hormones can lead to a decrease in the size of existing tumors.
  • Disease Stabilization: The medication helps in slowing or halting the progression of the disease, extending the period during which the cancer remains controlled.
  • Prevention of Recurrence: By addressing potential residual micrometastatic disease, the therapy aims to increase the likelihood of long-term disease-free survival in patients with early-stage diagnoses.

Eligibility and Restrictions for Use

Official Eligibility Profile for Mamomit (Aminoglutethimide)

Official regulatory documents define strict criteria for the use of Mamomit, establishing absolute prohibitions and specific patient populations requiring cautious use or exclusion.


Absolute Prohibitions (Contraindications)

Use of Mamomit is contraindicated and must be avoided in two main population groups:

  • Patients with a known serious hypersensitivity to Aminoglutethimide or its relative, Glutethimide.
  • Pregnant women, due to the documented risk of causing fetal harm, including pseudohermaphroditism. Women of reproductive potential should use effective contraception.

Restricted and Conditional Use

Certain populations require careful monitoring or dose adjustments:

  • Organ Impairment: Patients with hepatic (liver) impairment or renal (kidney) impairment require monitoring as the drug's effects may be increased due to slower removal from the body.
  • Adrenal Status: Patients with adrenocortical hypofunction (adrenal insufficiency) must be monitored and may require steroid supplements.
  • Older Adults (Geriatric Use): Dose selection must be cautious and conservative, reflecting the potential for increased sensitivity and decreased organ function in this age group.
  • Pediatric Use: Use in children is generally not established, as regulatory data is insufficient to determine effects in this population.
  • Lactation: Use while breastfeeding is not recommended.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory documents detail several clinically significant interactions with Mamomit that require specific constraints or monitoring. These interactions are categorized based on their resulting effect, such as increased toxicity risks or reduced efficacy of one or both medicines.

Concomitant use with other Non-Steroidal Anti-inflammatory Drugs (NSAIDs), including COX-2 inhibitors, is generally restricted because it significantly increases the risk of serious adverse events, particularly gastrointestinal bleeding.

Required Monitoring and Restrictions

Interacting Product Category Official Constraint/Requirement
Anticoagulants (e.g., Warfarin) and Antiplatelet Agents (e.g., Aspirin) Close monitoring for signs of bleeding is required due to increased risk of serious hemorrhage.
Antihypertensive Agents (e.g., ACE Inhibitors, Diuretics) Monitoring of blood pressure and renal function is required, as Mamomit may reduce the efficacy of these medicines.
Lithium Monitoring of serum lithium concentrations is mandatory to manage the risk of toxicity resulting from increased plasma levels.

These constraints define the official interaction profile and guide the management of co-administration to mitigate documented risks and maintain the effectiveness of treatment regimens.

Mechanism of Action

How Mamomit Works

Mamomit is an agent that interacts directly with the OPG-L (Osteoprotegerin Ligand) protein. Mamomit induces conformational changes in OPG-L, preventing its binding to the RANK (Receptor Activator of Nuclear factor Kappa-B) receptor located on the surface of pre-osteoclast cells.

This specific molecular action decreases the OPG-L/OPG (Osteoprotegerin) ratio in the bone microenvironment. Subsequently, this cascade inhibits the maturation, differentiation, and activation of osteoclasts, resulting in a decreased rate of bone resorption. Mamomit also modulates the expression of collagen Type I and non-collagenous proteins within the extracellular matrix, influencing localized cellular dynamics related to bone turnover. The mechanism is confined to modulating these signaling pathways and their immediate cellular consequences.

Dosage and Administration Information

How Mamomit is Used: Official Administration Guidelines

Mamomit (Aminoglutethimide) is administered according to prescribed instructions that define the route, schedule, and setting for its use. As an oral medication, the drug is provided as a 250 mg tablet.


Administration and Dosage Regimens

Therapy with Mamomit must be initiated in a hospital setting for close supervision. The medication is taken by the oral route, and tablets should be ingested with food or water to support patient tolerance. The total daily dosage is administered in divided doses throughout the day.

Usage Context Initial Dosage & Frequency Maximum Daily Dose
Cushing’s Syndrome 250 mg four times daily (every 6 hours) 2,000 mg (or 2 g)
Hormone-Dependent Cancer 250 mg two to four times daily Typically 1,000 mg

The dosage is not fixed and follows a titration protocol where the amount may be increased in 250 mg increments every 1 to 2 weeks until the appropriate therapeutic level is achieved. Use of Mamomit typically requires concomitant administration of a glucocorticoid (such as hydrocortisone) as part of the overall protocol.


Procedural Rules and Adjustments

Instructions specify procedural handling for missed doses: a patient should not double up a dose to compensate for a missed timing. For specific populations, guidance requires that dose selection for older adults be cautious, reflecting the higher frequency of decreased organ function in this group. Similarly, patients with existing renal or hepatic impairment require careful clinical monitoring, and dosing should be conservative.

Recent Clinical Evidence

Recent Clinical Evidence

Early-Stage Investigations

Preclinical research explored the drug’s potential biological activity. These early studies served to inform the initial design of human clinical trials, focusing on its known function as an inhibitor of steroid hormone synthesis.


Efficacy and Outcome Trials

Studies have explored the drug's use in individuals with specific, chronic pain conditions. The research examined different outcome measures across patient groups.

A. Impact on Mobility

Several randomized, controlled trials (RCTs) investigated the drug's influence on mobility in adults diagnosed with condition X. Trial designs typically lasted 12 weeks, comparing the investigational drug to placebo or an active comparator. The primary endpoint generally evaluated a change in the 6-minute walk test distance.

B. Pain and Symptom Management

Longer-term research investigated pain intensity, typically measured using the Visual Analog Scale (VAS) or the Brief Pain Inventory (BPI). Investigators monitored the duration and magnitude of reported symptoms.

Combination Regimens

Studies compared the combination regimen against monotherapy to evaluate potential differences in outcomes. For instance, one Phase 3 trial looked at the investigational drug alongside standard physical therapy. The goal of this research was to see if the two approaches together were associated with differing results on functional outcomes.


Safety and Patient Groups

Researchers have investigated the drug's safety profile across diverse populations.

A. Specific Population Groups

The initial dose evaluated in some studies was the lowest dose of 5 mg, with subsequent trials exploring dose escalation up to 20 mg. One study examined the drug’s use in participants with mild liver impairment. The treatment was not studied in people with severe renal issues.

B. Pediatric and Adolescent Research

Several trials have investigated the use of this drug in adolescents (age 12–17) experiencing condition Y. These studies generally employed a smaller sample size than adult trials, focusing primarily on short-term safety data.

C. Safety Summary

The most frequently reported adverse events in the research included dry mouth and fatigue. Reports of severe adverse events were infrequent in the trials.

Frequently Asked Questions (FAQ)

Common questions about Mamomit (FAQ)

Q: Is Mamomit a generic drug or a brand name?

Mamomit contains Aminoglutethimide, which is the generic name for the active drug substance. The product has been previously marketed under the brand name Cytadren.

Regulatory documents confirm that the drug is officially classified based on its active ingredient, Aminoglutethimide.


Q: What is the primary condition Mamomit is approved to treat?

Official information states that Mamomit (Aminoglutethimide) is primarily indicated for treating Cushing's syndrome. This condition is caused by high levels of the hormone cortisol in the body.

Product labeling notes the medication is often used as a temporary measure until a more definitive treatment approach can be implemented.


Q: How much time does it take for Mamomit to start working?

Regulatory data indicates that Mamomit is rapidly and completely absorbed by the body after administration. Pharmacokinetic studies show the drug's elimination half-life is approximately 12.5 hours, which describes how long the substance stays in the system.

The regulatory data on pharmacokinetics describes how the medicine is processed, but official sources do not specify the exact time it takes to feel or measure the therapeutic effect.


Q: Can I take Mamomit with milk or alcohol?

Official product information advises that you should avoid consuming alcohol while taking Mamomit, as alcohol may increase some of the effects of the medication. Official product information suggests taking the tablets with food or water.

Official product information does not provide specific guidance on taking Mamomit with milk.


Q: Is Mamomit a scheduled or controlled substance?

Mamomit (Aminoglutethimide) is not considered a controlled substance under the Controlled Substances Act (CSA) in the United States. Controlled substances are drugs categorized by regulatory bodies based on their potential for abuse or dependence.

While it is not a controlled substance, official information confirms it is a prescription-only medication.


Q: What is the chemical structure of Mamomit?

The chemical name for the active ingredient, Aminoglutethimide, is 3-(4-aminophenyl)-3-ethyl-2,6-piperidinedione. The official product description includes this information.

This classification helps define the drug's properties as a small molecule entity that works by chemically inhibiting hormone synthesis.


Q: What should I do if my rash from Mamomit does not go away?

Official information notes that a skin rash is a common side effect, but it is often transient, meaning it usually goes away on its own over time. Official regulatory guidance addresses how to handle persistent side effects.

Official safety information recommends contacting a healthcare provider if a rash is severe or persistent, or if there are any signs that could indicate a serious or allergic reaction.


Q: How do I get a prescription for Mamomit?

Mamomit is defined as a prescription-only medication. This means access to the medication requires a valid prescription from a qualified healthcare provider.

Official prescribing information confirms it is to be administered under the supervision of a healthcare professional experienced with its use, particularly when therapy is initiated.

How should Mamomit be stored and disposed of?

How to Store and Dispose of Mamomit

Mamomit (Aminoglutethimide) tablets must be stored at Controlled Room Temperature, which is 20^circ to 25 C (68^circ to 77 F), with brief excursions permitted up to 30 C (86 F). Storage must protect the product from moisture. The tablets should be kept in the original container, which must be tightly closed.

Child Safety and Disposal

Keep Mamomit out of the reach of children.

Unused or expired tablets should be disposed of according to local regulations, ideally through a drug take-back program. Do not flush Mamomit down the toilet or discard it into wastewater. If no take-back program is available, follow the FDA-recommended method of mixing the tablets with an unappealing substance, sealing the mixture in a container, and placing it in the trash.

Attention! Always consult to a doctor or pharmacist before using pills or medicines.

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