Cidoteston

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Cidoteston

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Medically reviewed

Marina Burgos

Last updated on 10/01/2026

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 Cidoteston

Quick Facts

Property Description
Active ingredient Testosterone Enanthate (Testosterone 17beta-heptanoate)
Form Oily solution for intramuscular injection
Pharmacological class Androgen, Anabolic Steroid
General purpose Hormone replacement therapy (HRT)
Origin Synthetic derivative (ester)

What is Cidoteston? Definition and Pharmacological Class

Cidoteston is a specific brand of prescription-only medicine that belongs to the pharmacological class of Androgens and Anabolic Steroids (AAS). Its active substance is Testosterone Enanthate, which is a synthetic derivative of the essential male hormone, testosterone. This compound functions as a hormone replacement agent to supplement or replace endogenous testosterone when the body's natural production is deficient or absent. The selection of the enanthate ester is clinically recognized for its ability to provide a sustained-release profile, making it a widely utilized form for long-term therapy.

Composition and The Long-Acting Depot Formulation

The preparation is supplied as an oily solution for intramuscular injection, a standard formulation designed to create a long-acting depot (reservoir) effect in the muscle tissue following administration. The Testosterone Enanthate molecule is an ester derivative of testosterone, a structural modification that dramatically increases its duration of action; this esterification process is what makes the compound a long-lasting prodrug of testosterone. Because the active substance is insoluble in water but soluble in oil, it is typically dissolved in a vegetable oil base (such as sesame oil) to achieve the controlled, sustained release necessary for replacement therapy. This specific formulation is distinguished by its use of the enanthate ester, contrasting it with other long-acting options like testosterone cypionate.

General Purpose: Hormone Restoration and Deficiency Management

The general purpose of Cidoteston is to correct physiological states resulting from a confirmed deficiency or absence of endogenous testosterone, a condition often termed hypogonadism. Its action as a hormone replacement agent is critical for restoring and maintaining serum testosterone concentrations within the normal physiological range. This sustained therapeutic level helps stabilize fundamental bodily functions that rely on adequate androgenic activity, such as maintaining secondary male characteristics and certain metabolic processes.

What side effects are possible with Cidoteston?

Possible side effects and safety information

The safety profile for Testosterone Enanthate, the active ingredient in Cidoteston, is defined by officially documented effects across several System-Organ Classes, as categorized in regulatory documents. The information is grouped by frequency and systemic impact.

Frequency-Classified Adverse Reactions

Side effects documented as common (may affect up to 1 in 10 patients) include an increase in red blood cell parameters, specifically elevated hematocrit and hemoglobin, potentially leading to Polycythemia. Weight gain is also reported as common. Other reactions, such as benign and malignant liver tumour or hypercalcaemia, have a frequency not known based on available data.

Systemic and Serious Adverse Reactions

Adverse reactions are documented to affect the Blood and Lymphatic System, Reproductive System and Breast, Hepatobiliary Disorders, and Vascular Disorders. Serious adverse reactions officially highlighted in regulatory labeling include Major Adverse Cardiovascular Events (MACE) such as myocardial infarction and stroke, and Venous Thromboembolism (VTE), which includes deep vein thrombosis and pulmonary embolism. Furthermore, the potential for Hepatic Neoplasms and Peliosis Hepatis is noted, typically associated with prolonged, high-dose exposure.

Population-Specific Safety Considerations

Regulatory documents include specific safety constraints for vulnerable groups. Geriatric patients face an increased risk for prostatic hypertrophy and potential prostatic carcinoma. In pediatric males, there is a risk of accelerated bone maturation that may compromise final adult height. The medicine is formally contraindicated in pregnant women due to the risk of virilization of the female fetus. Additionally, patients with pre-existing cardiac, renal, or hepatic disease must be closely observed for potential severe complications from edema.

Overdose and Emergency Response

Overdose and When to Seek Help

Because Cidoteston (Testosterone Enanthate) is a long-acting injectable administered by a healthcare professional, regulatory documents note that acute overdose is generally unlikely. However, official labeling addresses the consequences of excessive exposure, which can lead to serious adverse reactions or life-threatening outcomes.

Documented Manifestations of High Exposure Sustained supraphysiological levels of testosterone are associated with physiological changes including polycythemia (increased red blood cell mass), hypertension, edema (fluid retention), and gynecomastia. Serious outcomes documented in regulatory warnings include non-fatal myocardial infarction, stroke, and cardiovascular death, as well as hepatic neoplasms and peliosis hepatis. Severe psychiatric manifestations like aggression or worsening depression are also associated with abuse scenarios.

Required Emergency Actions The regulator mandates that urgent medical attention must be sought for signs of a venous thromboembolic event (such as sudden shortness of breath or leg swelling) or for new-onset suicidal ideation or severe psychiatric distress. The immediate official management procedure is the discontinuation of the drug. General treatment involves only symptomatic and supportive treatment, as no specific antidote is known. Monitoring may include checking serum testosterone or calcium concentrations. Population-specific risks include irreversible virilization in women and adverse effects on bone maturation in pediatric patients.

Therapeutic Uses of Cidoteston

Cidoteston is a form of hormone replacement therapy (HRT) generally used in situations involving a systemic imbalance where the body produces insufficient testosterone—a condition known as hypogonadism. The medication supports the long-term correction of physiological states by restoring serum testosterone levels to the normal physiological range.

Cidoteston is commonly used across therapeutic domains where additional symptomatic support is needed due to this deficiency. The primary uses include managing testosterone deficiency in men and addressing delayed puberty in adolescent boys. It is also applied in specific situations involving hormone-responsive metastatic mammary cancer in selected women.

The treatment helps address symptom clusters that may become intense or disruptive to daily comfort, such as the loss of muscle bulk and strength, decline in bone density, reduced libido, erectile dysfunction, chronic fatigue, and depressed mood. This contributes to improved comfort and supports general well-being during symptomatic phases.

“This therapy is applied in conditions associated with a deficiency or absence of endogenous testosterone, supporting the patient during episodes of heightened discomfort.”

Quick Fact: Relief for Neurocognitive Strain The treatment is relevant in contexts where patients experience symptoms that interfere with daily functioning and create noticeable physiological strain, which may assist with maintaining functional stability related to mood and energy levels.

Regulatory References

  1. NIH DailyMed overview

Eligibility and Restrictions for Use

The eligibility profile for Cidoteston (Testosterone Enanthate) is defined by strict regulatory criteria, specifying the population groups permitted for use and those who are absolutely prohibited.

Population Regulatory Status
Adult Males Approved for confirmed primary or hypogonadotropic hypogonadism (testosterone deficiency).
Pregnant/Nursing Women Contraindicated (prohibited) due to the risk of fetal harm.
Men with Breast/Prostate Cancer Contraindicated (prohibited) due to androgen-dependent tumor risk.
Pediatric Males (<18) Safety and efficacy not established, except for carefully selected cases of delayed puberty.
Geriatric Males (≥65) Insufficient long-term safety data; use is not indicated for age-related deficiency alone.

Use is also not recommended for men with uncontrolled hypertension or those seeking athletic performance enhancement (a non-indicated use). Conditional use requires caution and monitoring for patients with pre-existing cardiac, renal, or hepatic disease due to the risk of fluid retention, and for patients with Benign Prostatic Hyperplasia (BPH). This profile ensures the medicine is reserved exclusively for the specific, labeled patient populations.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The interaction profile for Cidoteston (Testosterone Enanthate) is established based on documented pharmacodynamic and metabolic effects with specific classes of medicinal products, as detailed in government regulatory sources. No mandatory timing-based separation is required for administration with other medicines, and interactions with food or herbal products have not been formally established.

Official Interaction Statements:

Interacting Substance/Class Official Interaction Description Procedural Constraint
Oral Anticoagulants (e.g., Warfarin) May cause a change in anticoagulant activity, increasing the potential for bleeding. Requires more frequent monitoring of Prothrombin Time (PT) and International Normalized Ratio (INR).
Antidiabetic Drugs (Insulin, Oral Agents) May decrease blood glucose levels. May necessitate a reduction in the required dosage of antidiabetic medication.
Corticosteroids (ACTH) Enhanced tendency toward fluid retention (edema). Caution advised for patients with pre-existing cardiac, renal, or hepatic disease.
Oxyphenbutazone Co-administration may result in elevated serum levels of Oxyphenbutazone. Monitoring for increased exposure effects may be necessary.
BP-Increasing Medications Co-administration may lead to additive increases in blood pressure. Requires monitoring of blood pressure.

These interactions are generally classified as clinically significant and demand procedural constraints, such as the increased monitoring or adjustment of the co-administered drug’s dosage to maintain therapeutic safety.

Mechanism of Action

Cidoteston is a proprietary preparation of testosterone enanthate, an esterified derivative of the endogenous androgen testosterone. Upon administration, the enanthate ester is gradually cleaved by non-specific plasma and tissue esterases through hydrolysis, releasing the pharmacologically active molecule, testosterone, into the circulation over a sustained period.

Once released, free testosterone enters target cells and acts through two primary pathways. It functions directly as an agonist, binding to the intracellular androgen receptor (AR). Alternatively, it is converted by the enzyme 5alpha-reductase into its more potent metabolite, dihydrotestosterone (DHT), which also binds to the AR with greater affinity.

The activated hormone-receptor complex then translocates into the cell nucleus. Within the nucleus, the complex binds to specific DNA sequences known as hormone response elements (HREs). This binding modulates the transcription rate of various genes, resulting in downstream alterations in protein synthesis, cellular differentiation, and systemic nitrogen retention.

This mechanistic cascade facilitates anabolic signaling in muscle and bone tissues and mediates the physiological effects associated with androgenic action, including the modulation of hematopoiesis and central hypothalamic-pituitary-gonadal (HPG) axis feedback suppression.

Dosage and Administration Information

Administration and Preparation

Cidoteston is an injectable solution containing testosterone enanthate. The preparation is intended for intramuscular administration, meaning the solution is delivered deep into a large muscle mass. The most common sites for this type of administration include the gluteal muscle, the deltoid, or the vastus lateralis of the thigh.

As an oil-based solution, the medication is designed to be released slowly into the bloodstream from the site of injection. The administration process requires sterile equipment and appropriate technique to ensure the substance is deposited correctly into the muscle tissue rather than into a vein or the subcutaneous fat layer.

Visual Inspection

Before use, the solution should be inspected for clarity and consistency. The liquid is typically clear and pale yellow. Because Cidoteston is an oil-based product, it may become viscous or develop crystals if stored at lower temperatures. If crystals are present, warming the vial or ampoule between the hands or at room temperature usually restores the solution to its liquid state. The product should not be used if the solution remains cloudy, contains persistent particles, or shows any signs of discoloration.

Handling and Storage

Proper handling of the ampoule or vial is necessary to maintain the integrity of the medication. Once the container is opened, the contents should be used immediately. The medication is sensitive to environmental factors and should be stored in its original packaging to protect it from light. It is generally kept at controlled room temperature, away from excessive heat or freezing conditions.

Observation and Monitoring

Individuals receiving the medication are typically monitored by a healthcare professional to observe the response to the substance. Since the medication has a prolonged release profile, its effects are sustained over a period of time. Monitoring often involves regular assessments of hormonal levels and overall physiological response to ensure the administration remains within the intended therapeutic parameters.

Recent Clinical Evidence

Research Evidence / Overview of Studies

Mechanism of Action Studies

Research has examined the drug's mechanisms related to inflammation in Osteoarthritis (OA) and studied the time to onset of effect. Findings from studies suggest the drug interacts with specific inflammatory pathways. The clinical significance of this interaction is an area of ongoing investigation. Additional studies are assessing the connection between the observed effects and participant reports.


Clinical Efficacy Research

Research explored the study of pain and swelling using this combination. Studies have investigated whether participants experienced a change in symptoms after the first week of treatment.

Study 1: Phase III Randomized Trial

This trial evaluated 500 participants with OA over a 12-week period. Research evaluated changes in joint function measures and utilized standard care as a control group for comparison.

  • Key Finding: The primary endpoint was an evaluation of changes in the WOMAC pain and function scores between the study groups.
  • Subgroup Analysis: The study populations included individuals with moderate to severe cases of OA.

Study 2: Long-Term Observational Data

The studies reviewed included data on long-term use in elderly patient populations. This observational study tracked over 1,000 older adults over two years. Research also examined outcomes for participants with pre-existing kidney conditions.

  • Key Finding: The research findings contribute to the understanding of this combination in the context of inflammation. Data gathering is ongoing to provide more comprehensive information on long-term effects.

Future Research Directions

Ongoing and planned studies aim to clarify remaining uncertainties, particularly regarding optimal dosing for different patient profiles. Research is also examining the effect of the drug when combined with specific physical therapies.

Frequently Asked Questions (FAQ)

Common questions about Cidoteston (FAQ)

Q: Is Cidoteston the same as other testosterone injections?

A: Cidoteston contains testosterone enanthate, which is a specific type of testosterone compound. This compound is categorized as one of several testosterone esters used for injection therapy. The enanthate ester is a structural element that allows the medication to be released slowly over time, creating a sustained effect in the body.

Q: How quickly does Cidoteston start working?

A: According to official information and research, the full physical effects of Cidoteston treatment may take several months to develop. However, initial improvements in symptoms, such as sexual interest and overall quality of life, may be observed within the first three to six weeks of therapy.

Q: Is hair loss a common side effect of Cidoteston?

A: Changes in hair growth are documented as potential androgenic effects of testosterone products. These changes can include increased body hair growth or the acceleration of male pattern baldness (alopecia) in those who are genetically predisposed to it.

Q: Does Cidoteston affect mood or behavior?

A: Official regulatory documents describe that adverse reactions in clinical trials have included the potential for changes in mood or behavior. This includes reports of depression, anxiety, and, in rare instances, suicidal thoughts and behavior.

Q: Is it necessary to avoid alcohol while using Cidoteston?

A: Regulatory information does not document that the use of alcohol directly affects the safety or usefulness of testosterone enanthate.

Q: Is Cidoteston a controlled substance?

A: Yes, the active ingredient in Cidoteston, testosterone enanthate, is officially classified as a Schedule III controlled substance under the Controlled Substances Act. This classification is given due to the potential for abuse and dependence, particularly when used at doses higher than those recommended for hormone replacement therapy.

Q: Does Cidoteston affect fertility?

A: Official product information indicates that the use of testosterone products may affect male fertility. Exogenous androgens have the potential to suppress the natural process of sperm formation (spermatogenesis), which in some cases can lead to a confirmed absence of sperm (azoospermia).

Q: Can Cidoteston cause issues with the liver or kidneys?

A: Regulatory documents note that caution is required for patients with pre-existing kidney or liver conditions due to the potential for fluid retention (edema). Furthermore, there are documented, serious liver risks such as hepatic neoplasms (liver tumors) and peliosis hepatis, typically associated with prolonged high-dose use.

Q: Is it normal to feel tired after taking Cidoteston?

A: Fatigue has been noted in post-marketing reports as a possible adverse reaction to the medication. It is also noted that a common side effect of testosterone therapy is an increase in red blood cell count (polycythemia), which may be associated with symptoms like tiredness.

Q: Does Cidoteston interact with common over-the-counter pain relievers?

A: Official regulatory documents list interactions with certain prescription medications, such as blood thinners and antidiabetic drugs. However, the regulatory interaction tables do not list mandatory constraints or required monitoring for common over-the-counter pain relievers.

Q: What is the difference between Cidoteston and testosterone gel?

A: Cidoteston is an intramuscular injection that uses an oil base to create a long-acting depot (reservoir) effect in the muscle. This contrasts with testosterone gels, which are transdermal applications that absorb through the skin and generally provide a different, often shorter, release profile.

Q: Does Cidoteston help with energy levels?

A: The general purpose of this medicine is hormone restoration for confirmed deficiency. Studies examining the effects of testosterone restoration indicate that it is associated with overall improvements in quality of life, including potential positive effects on energy levels and mood.

Q: Can Cidoteston affect sleep?

A: Official regulatory documents include a warning that testosterone therapy may worsen or potentiate sleep apnea. This risk is particularly noted in patients who have pre-existing risk factors, such as those with obesity or chronic lung conditions.

Q: Does Cidoteston carry a risk of allergic reaction?

A: Official prescribing information documents a risk of hypersensitivity, which means an allergic reaction. This reaction can be triggered by the active ingredient (testosterone enanthate) or by other components in the injection solution, such as the oil vehicle.

Q: Are there any specific lifestyle restrictions while using Cidoteston?

A: Official regulatory documents do not list specific mandatory restrictions on general diet or exercise routines. However, the medicine is explicitly not recommended for men seeking athletic performance enhancement, as this is a non-indicated use.

Q: Does Cidoteston contain any allergens?

A: Cidoteston is supplied as an oily solution. The formulation often contains a vegetable oil base, such as sesame oil, which is a known potential allergen.

Q: Does Cidoteston have a Black Box Warning, and what does it mean?

A: Testosterone products typically carry a serious Boxed Warning (often referred to as a Black Box Warning) in the official prescribing information. This warning generally highlights the potential for abuse and dependence, especially when the medicine is used at doses higher than those indicated for hormone replacement therapy.

Q: Can Cidoteston affect cholesterol levels?

A: Official product information documents that changes in lipid concentrations, including cholesterol levels, can occur during testosterone therapy. For this reason, regulatory guidance specifies that these levels should be periodically measured during treatment.

Q: How does Cidoteston differ from enanthate or cypionate compounds?

A: Cidoteston contains testosterone enanthate, which is a specific long-acting ester of testosterone. Testosterone cypionate is another similar long-acting ester often used for replacement therapy. The clinical differences in their release profile or duration of action are generally considered minor when used at standard doses.

Q: What are the possible injection site reactions with Cidoteston?

A: According to official adverse reaction data, common localized reactions can occur at the injection site. These typically include pain or swelling in the area where the injection was given, as well as potential bruising.

Q: Does Cidoteston cause headaches?

A: Yes, regulatory documents list headache as one of the most commonly reported adverse reactions. It is documented to occur in greater than 5% of patients in clinical data.

Q: Is Cidoteston available in different strengths?

A: Testosterone enanthate injection is commonly manufactured in a standard concentration. Official prescribing information typically specifies the active substance concentration, such as 200 mg per milliliter (200 mg/mL) of the oily solution.

How should Cidoteston be stored and disposed of?

How to Store and Dispose of Cidoteston?

Regulatory documents define specific conditions for storing and disposing of Cidoteston (Testosterone Enanthate Injection) to maintain stability and safety.


Storage Requirements

Cidoteston must be stored at Controlled Room Temperature, which is defined as 20 C to 25 C (68 F to 77 F). The product must be protected from light and must not be frozen. If crystals form, they can be redissolved by warming the vial. Store the medicine securely and keep it out of the reach of children.


Disposal Instructions

Any unused portion of the injection from a single-dose vial must be discarded immediately after use. Unused or expired medicine should be disposed of via a drug take-back program or placed in a sealed container in household trash. Used needles and syringes (sharps) must be placed in an FDA-cleared sharps disposal container and managed according to local regulations. Environmental release must be avoided.

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

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