Cloles

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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 Cloles

Quick Facts

Property Description
Active ingredient Atorvastatin (as Atorvastatin Calcium)
Form Tablet, Oral Suspension
Pharmacological class HMG-CoA Reductase Inhibitor (Statin)
Common use Lipid Profile Balancing / Reduction of LDL-C
Origin Synthetic (Pyrrole-containing)

Cloles: Classification, Composition, and Differentiation

Cloles is a prescription-only medication whose effect is delivered by the sole active ingredient, atorvastatin, a synthetic compound that belongs to the specific pharmacological class of HMG-CoA reductase inhibitors, widely known as statins. This drug is clinically recognized as a potent statin for lowering blood lipid levels. Atorvastatin is chemically distinguished as a pyrrole-containing statin, an active compound that does not require metabolic activation to exert its therapeutic effect, which differentiates it from certain older statins.

Cloles is supplied as a single-ingredient product via the oral route, primarily in the film-coated tablet and oral suspension dosage form(s). The composition includes the active ingredient combined with an inert matrix or an aqueous suspension vehicle.

General Purpose and Confirmed Action

The general purpose of Cloles is to promote effective Lipid Profile Balancing as part of a strategy for managing cardiovascular risk factors. The medication’s core function is to reduce the concentration of "bad cholesterol" (Low-Density Lipoprotein Cholesterol, LDL-C) and triglycerides in the circulation.

This is achieved through its mechanism of effect as an HMG-CoA reductase inhibitor, which focuses on Liver Cholesterol Reduction. By competitively inhibiting the enzyme that limits the liver's endogenous cholesterol production, atorvastatin enhances the liver's ability to clear more circulating LDL-C (LDL-C Clearing) from the bloodstream. This systemic action is crucial for those needing to manage various dyslipidemias, and the statins are recognized globally as first-line treatment options for this purpose.

Regulatory References

  1. Atorvastatin - StatPearls

What side effects are possible with Cloles?

Official Classification of Adverse Reactions

The possible side effects of Cloles (atorvastatin) are formally documented and categorized by frequency, based on reports from clinical studies and post-marketing surveillance, as defined by regulatory authorities like the FDA and EMA. Reactions are grouped by the system or organ class (SOC) affected, such as Musculoskeletal and Connective Tissue Disorders or Gastrointestinal Disorders.

Very Common adverse reactions (those affecting more than 1 in 10 individuals) most commonly include nasopharyngitis.

Common reactions (affecting up to 1 in 10 individuals) span several systems and typically include myalgia (muscle pain), arthralgia (joint pain), diarrhea, nausea, headache, and hyperglycaemia (elevated blood sugar levels). Laboratory test abnormalities, such as increased blood creatine kinase and abnormal liver function test results, are also documented as common findings.

Serious Safety Considerations and Constraints

The regulatory label identifies specific serious adverse reactions, which are rare but clinically significant. The most prominent of these involve the skeletal muscle system and the hepatic system.

  • Rhabdomyolysis: A severe form of muscle breakdown that can lead to acute kidney failure is officially documented as a rare risk.
  • Hepatic Failure: Rare reports of fatal and non-fatal hepatic failure are noted in the prescribing information.

Cloles is formally contraindicated in individuals with active liver disease or unexplained persistent elevations of hepatic transaminase levels. The medication is also contraindicated for use during pregnancy and lactation due to the potential for fetal harm.

Specific populations, including those 65 years of age or greater and patients with renal impairment, are noted to be at a higher risk for myopathy and rhabdomyolysis. Additionally, an increased risk of hemorrhagic stroke was observed in a specific group of patients initiated on the 80 mg dose who had a recent stroke or transient ischemic attack (TIA).

Overdose and Emergency Response

Overdose and when to seek help

If a known or suspected overdose of Cloles (Atorvastatin) occurs, emergency medical care is required immediately for comprehensive evaluation and management. This mandate to seek urgent professional attention is a core directive based on regulatory guidance provided in official prescribing information (FDA, EMA).

Official Overdose Management and Constraints

The regulatory profile for Cloles overdose is primarily procedural, as no specific acute clinical symptoms or unique manifestations of overdosage are explicitly documented in the authorized labeling. Given this context, the severity of any overdose situation is determined by the patient's presenting clinical status, requiring immediate medical assessment.

The official documents explicitly state that no specific antidote is known to counteract the effects of Atorvastatin. The required course of action is therefore centered entirely on comprehensive supportive care. Management of an overdose must consist of symptomatic treatment and the institution of general supportive measures as necessary to maintain the patient’s vital functions.

A critical constraint noted in the official regulatory documents is that the active substance, Atorvastatin, is extensively bound to plasma proteins. Consequently, hemodialysis is not expected to significantly enhance its clearance from the body. This information reinforces the need for immediate clinical intervention focused on general stabilization and supportive procedures, as systemic drug removal is limited.

Therapeutic Uses of Cloles

What Cloles Treats: Main Uses and Benefits

Cloles (Atorvastatin) is commonly used to address various types of dyslipidemia, which are conditions involving elevated levels of fats in the blood, primarily high levels of Low-Density Lipoprotein Cholesterol (LDL-C) and triglycerides. Assistance with reducing these harmful lipids is a key therapeutic benefit, contributing to support for the maintenance of a favorable lipid profile. The medication is generally applied in addressing primary hypercholesterolemia, mixed dyslipidemia, and inherited conditions like Familial Hypercholesterolemia.

“This medication generally supports the management of the overall burden of chronic vascular risk.”

The primary clinical purpose of Cloles generally extends beyond simply lowering cholesterol; it is applied to help manage the long-term risk of severe events such as myocardial infarction and stroke. This medication is considered relevant in both primary prevention (for high-risk individuals without existing disease) and secondary prevention (for patients with established Atherosclerotic Vascular Disease (ASCVD)), contributing to support for the management of disease progression.

Quick Fact: Risk Management
Therapeutic Focus Support for easing the long-term risk associated with severe cardiovascular events.
Typical Context Relevant for long-term management strategies.
Condition Category Conditions associated with increased cardiovascular stress.

Through its role in managing the lipid burden in these high-risk scenarios, the treatment generally helps ease the overall burden of chronic vascular risk and contributes to support for the patient’s long-term well-being.

Regulatory References

  1. NIH MedlinePlus Drug Information

Eligibility and Restrictions for Use

This section outlines the official population eligibility and non-eligibility criteria for Cloles (Atorvastatin) based strictly on regulatory prescribing information. The medication is indicated for use in adults with various dyslipidemias and for cardiovascular risk reduction.

Contraindications (Must Not Use)

Cloles is formally contraindicated in several groups due to established regulatory restrictions:

  • Patients with active liver disease or unexplained, persistent elevations of serum liver transaminase levels (>3 imes upper limit of normal).
  • Women who are pregnant or may become pregnant, and women who are breastfeeding.
  • Patients with known hypersensitivity to atorvastatin or any component of the formulation.

Age and Condition-Specific Eligibility

  • Pediatric Use: The medicine is generally indicated for children and adolescents aged 10 years and older for specific conditions, such as Heterozygous Familial Hypercholesterolemia (HeFH).
  • Use Not Established: Safety and efficacy are not established in children under the age of 10 years for most indications.
  • Conditional Use: Caution is advised for patients with pre-existing risk factors for muscle toxicity (myopathy/rhabdomyolysis), including those with renal impairment, uncontrolled hypothyroidism, or a history of alcohol abuse. These conditions require careful assessment by the prescriber.

The official eligibility profile is structured by absolute contraindications related to hepatic and reproductive status, alongside defined age thresholds for pediatric use, as dictated by regulatory authorities.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Cloles (atorvastatin) has officially documented interaction patterns primarily driven by the inhibition of the CYP3A4 metabolic enzyme and the OATP1B1/BCRP drug transporters. These pharmacokinetic interactions can increase atorvastatin plasma exposure, which is officially stated to increase the risk of muscular adverse effects.

Official Regulatory Classifications

Certain combinations are classified as contraindicated or requiring avoidance in government regulatory documents:

  • Contraindicated Combinations: Co-administration with the Hepatitis C antiviral glecaprevir/pibrentasvir is formally prohibited in regulatory labels. Agents such as cyclosporine and tipranavir plus ritonavir are also officially designated as combinations to be avoided.

  • Dose-Limited Combinations: Co-administration with moderate CYP3A4 inhibitors, including clarithromycin and itraconazole, requires specific limitations on the maximum daily dose of Cloles.

Pharmacodynamic and Substance Interactions

The co-administration of Cloles with other lipid-modifying agents, such as fibric acid derivatives or lipid-modifying doses of niacin (1 g/day or more), is officially noted to cause a pharmacodynamic reinforcement of the risk of muscular toxicity.

Specific timing rules apply to certain agents: the antibiotic rifampin must be co-administered simultaneously with Cloles. Additionally, consumption of large quantities of grapefruit juice has been officially documented to increase atorvastatin plasma concentrations.

Mechanism of Action

How Cloles Works

Cloles's action, delivered by atorvastatin, is based on a precise, dual-level biological mechanism that modulates core physiological pathways governing lipid homeostasis and vascular cell activity.


Enzymatic Blockade and Clearance Cascade

The drug's primary mechanism involves selective competitive inhibition of HMG-CoA Reductase—the rate-limiting enzyme in the liver's Mevalonate pathway. By blocking the production of cholesterol inside the liver cell, the mechanism triggers an essential homeostatic feedback response: the cell drastically upregulates the number of Hepatic LDL Receptors on its surface. This cascade enhances the liver's capacity to extract and catabolize Low-Density Lipoprotein Cholesterol (LDL-C) from the bloodstream, resulting in a sustained decrease in circulating LDL-C concentration.


Vascular and Cellular Signaling Modulation

Beyond its direct effect on circulating lipids, the drug engages secondary, or pleiotropic, mechanistic domains. By inhibiting HMG-CoA Reductase, the drug also limits the synthesis of crucial isoprenoid molecules. This limitation reduces the activation of specific small GTP-binding proteins in vascular cells. This mechanism modulates inflammatory pathways and influences endothelial cell function within the vessel walls. The resulting physiological effect is the consequence of both enhanced lipid catabolism and targeted modulation of vascular cell activity.

Dosage and Administration Information

How to Use Cloles: Official Administration Guidelines

Cloles (Atorvastatin) is approved for oral administration and is supplied as film-coated tablets and an oral suspension in multiple strengths (10 mg, 20 mg, 40 mg, and 80 mg).


Official Dosing and Frequency

The medication is taken once daily. While it can be taken at any time of day, the daily dose should be given all at once.

Dosing Parameter Official Label Range
Adult Starting Dose Typically 10 mg or 20 mg once daily
Maintenance Range 10 mg to 80 mg once daily
Maximum Dose 80 mg once daily

Dosage adjustment is a key part of the regimen. The dose is adjusted based on an assessment of lipid levels, with titration typically occurring at intervals of four weeks or more.


Administration Conditions and Specific Populations

Administration conditions depend on the dosage form:

  • Tablets: The film-coated tablet may be taken with or without food.
  • Oral Suspension: The liquid formulation must be measured using a calibrated metric dosing device and is often required to be taken on an empty stomach (e.g., one hour before or two hours after a meal).

For certain patient groups, no dose adjustment is required. Specifically, no modification to the standard dosing schedule is necessary for patients with impaired renal function or for older adults (aged 70 years and older).

Recent Clinical Evidence

Cloles: Recent Clinical Evidence

Overview of Clinical Research

Research has examined the potential role of Cloles for chronic neuropathic pain. Cloles is an investigational combination compound. Studies assessed what the compound does in the body during the research period. Research documented pain intensity over time, which is the cornerstone of pain management trials. A key study assessed the relationship between the intervention and patients’ quality of life scores. The intervention was examined for use in adults across several international clinical trials.


Key Findings from Major Trials

1. Pain Intensity Measurement

Studies measured the frequency and severity of painful episodes following the intervention. The primary data endpoint in most trials was the calculation of the average pain score change from baseline to the end of the treatment period, typically at 12 weeks, using standardized scales such as the Numerical Rating Scale (NRS).

  • Findings were mixed, with some studies showing a measurable difference in the average pain score when compared to a control group, and others reporting no statistically significant difference.
  • One large-scale analysis evaluated the consistency of findings across multiple geographic regions.

2. Functional Status and Well-being

Research explored the relationship between the intervention and daily functioning, alongside overall patient well-being, commonly measured by validated quality-of-life questionnaires (e.g., MSFC or specific neuropathic pain indices).

  • Studies collected data on self-reported physical function and emotional distress following the intervention.
  • One area of investigation was whether the intervention was associated with changes in patient reliance on rescue medication.

3. Safety and Comparative Research

Some research included comparisons to other treatments for neuropathic pain. These studies involved head-to-head trials against a common standard-of-care medication, focusing on differences in pain measurement endpoints.

  • Studies included an assessment of safety and tolerability endpoints as part of comprehensive trial design.
  • Some studies specifically included participants with pre-existing health considerations to observe the compound’s profile in varied patient groups.

Research continues to explore the role of the intervention in managing chronic pain.

Key Studies & References

  1. Neuropathic pain in adults: pharmacological management in non-specialist settings - NICE Guideline CG173
  2. Neuropathic pain in adults: pharmacological management in non-specialist settings - NCBI

Frequently Asked Questions (FAQ)

Common questions about Cloles (FAQ)

Q: How long does it typically take for Cloles to start working?

Regulatory documents indicate that the lipid-lowering effect is commonly observed within two weeks of starting treatment. The maximum therapeutic response is usually assessed within four weeks, which is the period during which dose adjustments are typically considered, based on official information.

Q: Is Cloles intended for short-term or long-term use?

The drug is approved for the treatment of chronic conditions, including dyslipidemias and cardiovascular risk reduction. Because of this, Cloles is generally described as a long-term, ongoing therapy in official documents.

Q: Does the efficacy of Cloles change over time?

Official labeling supports the drug's long-term use and does not suggest a reduction in effectiveness over time. Official documents note that dose adjustment is based on a patient's lipid response to support continued effectiveness.

Q: Can Cloles cause long-term dependency?

Official product information does not describe Cloles as having properties that lead to physical or psychological dependency or addiction. It is classified as a medication intended for the long-term management of chronic conditions, such as high cholesterol.

Q: What are the main goals of treatment when using Cloles?

The official Indications and Usage section states the primary treatment goals. These include reducing high levels of LDL-C ("bad cholesterol"), Total-C, and triglycerides in the blood. The overall therapeutic goal is to reduce the risk of major cardiovascular events, such as heart attack and stroke.

Q: What is the main difference between Cloles and similar drugs?

Official documents classify the drug as a synthetic, pyrrole-containing statin. It is classified as an 'active compound,' meaning it does not require metabolism by the body to be effective, which is a key technical differentiator from some older statins.

Q: What kind of studies support the use of Cloles?

The official documents include a 'Clinical Studies' section that describes the key randomized, controlled trials. These trials established the drug's approved efficacy for its primary purpose of lipid-lowering and cardiovascular risk reduction.

Q: What is the official research saying about Cloles' effectiveness?

The official label summarizes the findings from clinical trials that confirm the drug's effectiveness. This includes its demonstrated ability to reduce levels of LDL-C, Total-C, and triglycerides, and to reduce the risk of major cardiovascular events.

Q: Is Cloles used for pain management?

The official Indications and Usage section of the drug's label lists approved uses for lipid-lowering and cardiovascular risk reduction. Pain management is not listed as an an approved indication.

Q: What should a patient know about stopping the use of Cloles?

The official label discusses the importance of continued therapy for chronic conditions like high cholesterol. Any potential discontinuation is typically addressed in cases of medical necessity, such as major surgery or severe side effects, and requires professional oversight.

Q: Is Cloles considered a high-risk medication?

Official regulatory documents detail the drug's safety profile, noting serious risks such as rhabdomyolysis (severe muscle breakdown) and hepatic failure. Regulatory bodies consider the drug's established benefits for cardiovascular risk reduction alongside these potential serious risks.

Q: What does the FDA say about Cloles' safety profile?

The FDA label includes a mandatory “Highlights of Prescribing Information” section that summarizes the most important safety information. This summary includes clear statements about contraindications (who should not use the drug) and key warnings, such as the potential for muscle problems and liver dysfunction.

Q: Can Cloles cause weight gain?

According to the official regulatory documents, weight gain is not listed as a common, uncommon, or rare side effect. The adverse reactions sections of the prescribing information do not include weight gain as a reported event from clinical trials.

Q: Does Cloles affect blood pressure?

Changes in blood pressure are not commonly featured as a specific effect of Cloles in regulatory information. Official documents focus on drug-to-drug interactions, some of which may include warnings about blood pressure effects when combined with other medicines.

Q: Is Cloles safe to take before surgery?

Regulatory documents advise that the medication may need to be temporarily stopped (discontinued) in patients who are about to undergo major surgery or have an acute, serious medical condition. This is due to an increased risk of complications, such as rhabdomyolysis, in these situations. Any decisions regarding pre-operative use are subject to professional medical assessment.

Q: Is it normal to feel a bit tired when starting Cloles?

The official adverse reaction list documents fatigue as a possible side effect, though it is not classified as one of the most common events. Some individuals have also reported asthenia (a general feeling of weakness or lack of energy) in clinical trials.

Q: Does Cloles affect sleep patterns?

Official regulatory documents indicate that insomnia, which is an inability to sleep, is listed as an uncommon side effect in the adverse reactions section. This is the only official impact on sleep patterns documented in the safety profile.

Q: Can Cloles be used by people who have diabetes?

Official documents acknowledge that Cloles can cause a small increase in blood sugar levels (hyperglycemia). Official guidance emphasizes that the cardiovascular benefits of the drug generally support its use, even when considering the small risk of increased blood sugar levels in patients who have diabetes.

Q: What if I'm taking multiple prescriptions; can I still use Cloles?

Official regulatory documents include a detailed "Drug Interactions" section that provides guidance on using Cloles with other medicines. This section lists combinations that are contraindicated (should not be used) and others that require dose limitations or specific monitoring.

Q: Does Cloles have any listed interactions with multivitamins?

Official regulatory labels for Cloles do not list a specific drug interaction with common multivitamins. The official interactions information focuses on other medicinal products and substances such as grapefruit juice.

Q: Are there any known interactions between Cloles and herbal supplements?

Regulatory-linked patient information specifically mentions that St. John's wort can reduce the concentration of the drug in the blood. This reduction can decrease the drug's effectiveness, and caution regarding this herbal supplement is noted.

Q: Do official documents mention any effects of Cloles on driving ability?

Official product information generally states that the medication has negligible or no influence on a person’s ability to drive or use machinery. However, if an individual experiences side effects like dizziness or muscle weakness, they should use caution when performing these activities.

Q: Is Cloles a relatively new or old drug?

The official FDA Prescribing Information includes the date of the drug's first approval, which indicates its history on the market. The active ingredient in Cloles, atorvastatin, was initially approved in the mid-1990s.

How should Cloles be stored and disposed of?

Official Storage and Disposal Requirements

Cloles (Atorvastatin) must be stored according to specific conditions mandated by regulatory labeling to maintain its effectiveness.

Storage Scope Requirement Details
Temperature Store at Controlled Room Temperature, typically 20 C to 25 C (up to 30 C).
Protection Keep the medicine in its original, tightly closed container and protect it from excessive heat, moisture, and light.
Prohibited The tablets must be kept from freezing.

All forms of Cloles must be stored out of the reach and sight of children. For disposal of unused or expired medication, the official instruction is to consult a healthcare professional or pharmacist. The medication is generally not to be disposed of via wastewater.

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

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