Cck

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Cck

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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 Cck

What is Cck? An Overview

Property Description
Active ingredient Codergocrine Mesilate, Ergoloid
Form Tablet, capsule, solution (oral/sublingual)
Pharmacological class Nootropic, Vasodilator, Ergot Alkaloid Derivative
General purpose Supports cerebral circulation and metabolism
Origin Semisynthetic

What is Cck and What Pharmacological Class Does it Belong To?

Cck is a prescription-only medicine defined as a fixed-dose combination product containing the active ingredients Codergocrine Mesilate and Ergoloid (Dihydroergotoxine mesylate). These components categorize the drug within the Ergot alkaloid derivative class. Functionally, the drug is classified as both a vasodilator and a nootropic agent, setting it apart from compounds with a single mechanism of action. This dual classification is clinically recognized for addressing conditions where both vascular support and central nervous system activity require concurrent modulation.

The Composition of Cck: Semisynthetic Origin and Available Forms

The medicinal entity Cck has a semisynthetic origin, derived from natural ergot compounds that are chemically processed for stability. Specifically, the Ergoloid component is an equiproportional mix of three related dihydrogenated ergot alkaloids. This formulation is supplied in various pharmaceutical preparations, including solid forms such as tablets and capsules, and liquid forms for oral solution or a unique sublingual tablet. The availability of both oral and sublingual options provides flexibility in administration, particularly for geriatric patients who may benefit from the rapid, non-swallowed absorption of the sublingual form.

Cck's Core Benefit: Supporting Cerebral Circulation and Metabolism

The overarching purpose of Cck is to support sustained brain function through targeted action on the neurovascular system. The medicine acts to enhance cerebral blood flow and facilitate optimal cerebral metabolism, helping brain cells utilize available oxygen and energy resources. This integrated mechanism establishes a neuro-protective action that supports the maintenance of neurovascular integrity. The medicine is typically used to support cognitive function in non-specific scenarios, such as age-related changes affecting mental clarity.

Regulatory References

  1. NIH MeSH Descriptor Data

What side effects are possible with Cck?

Possible Side Effects and Safety Information

The safety profile for Cck, a compound with the active physiological actions of cholecystokinin (CCK), is primarily characterized by effects on smooth muscle, particularly within the gastrointestinal system.

Adverse Reactions

Adverse reactions are classified by frequency based on clinical trial data and postmarketing reports:

Classification System-Organ Class Reactions
Most Common (≥20%) Gastrointestinal Abdominal discomfort or pain, nausea, and cramping.
Less Common (<20%) Systemic/Dermatological Flushing, vomiting, dizziness, headache, or diarrhea.
Rare/Serious Systemic/Immune Anaphylaxis and anaphylactic shock (serious hypersensitivity reactions).

Abdominal discomfort is often transient and considered a manifestation of the drug's intended physiological action (gallbladder contraction and increased intestinal motility), particularly following rapid administration.

Contraindications and Safety Restrictions

Official regulatory documents define specific situations where Cck use is contraindicated or restricted:

  • Hypersensitivity: The drug is contraindicated in patients with a history of hypersensitivity to the compound, including prior anaphylactic reactions.
  • Intestinal Obstruction: Use is contraindicated in the presence of intestinal obstruction, as the drug's effect on intestinal motility may worsen the condition.
  • Gallstones: Use may result in complications for individuals with small gallbladder stones, as stimulation of contraction may lead to stone evacuation and lodging in the bile ducts.
  • Pregnancy: Due to its effect on smooth muscle, administration is restricted in pregnant patients near term because of the potential risk of spontaneous abortion or premature induction of labor.

Overdose and Emergency Response

Overdose and When to Seek Help

Official government regulatory documents reviewed for Cholecystokinin (Cck) do not contain a distinct, detailed section specifically dedicated to describing overdose manifestations, signs, or symptoms.


Regulatory Overdose Profile

Overdose Component Official Regulatory Statement
Documented Manifestations No explicit overdose-specific symptoms or serious outcomes are detailed in the regulatory sections found.
Emergency Intervention No explicit procedural instructions or guidelines for the management of Cck overdosage are provided in the regulatory sections reviewed.
Antidote / Specific Treatment No specific antidote or antagonist for Cck overdose is officially recommended.
Monitoring Requirements No specific requirements for patient monitoring or extended observation unique to an overdose situation are defined.
Urgent Medical Attention No official statement specifies the exact symptoms or exposure levels that mandate seeking immediate emergency medical help for Cck overexposure.

The regulatory information primarily addresses the drug's use as a diagnostic agent, and the official label text lacks the formal content typically present in the Overdose section of governmental prescribing information (e.g., FDA Prescribing Information or EMA Summary of Product Characteristics). Consequently, a standardized overdose profile detailing manifestations, specific treatment procedures, or severity classifications is not formally documented in the authoritative sources reviewed. In any instance of known or suspected overexposure to this product, contact with a medical professional or Poison Control Center remains the recommended course of action for guidance.

Therapeutic Uses of Cck

What Cck Treats: Main Uses and Benefits

The primary therapeutic role of Cck (Codergocrine Mesilate/Ergoloid) is to offer symptomatic relief and supportive treatment in conditions involving chronic neurocognitive and vascular deficits. This medication is generally used to help relieve the signs and symptoms of decreased mental capacity due to the aging process.

The medication is commonly applied across two key domains: to manage symptoms of age-related cognitive impairment and to provide assistance for symptoms linked to vascular insufficiency. This helps address symptom clusters such as memory loss, difficulty concentrating, and general confusion, as well as managing neuro-sensory issues like persistent dizziness and circulatory problems like intermittent claudication.

“Cck is considered relevant when supportive symptom management is appropriate for age-related mental decline and chronic circulatory issues.”

Providing this support may assist with maintaining functional stability when symptoms interfere with routine activities, contributing to improved day-to-day comfort during symptomatic periods.


Quick Fact: Relief for Cognitive and Circulatory Symptoms
Primary Focus: Age-related cognitive and idiopathic mental deterioration.
Secondary Focus: Symptoms linked to vascular insufficiency, including dizziness and peripheral circulatory limitations.

Regulatory References

  1. NIH MedlinePlus Drug Information

Eligibility and Restrictions for Use

Cholecystokinin (CCK), a hormone and neuropeptide, is primarily used as a diagnostic aid in a clinical setting, administered via injection before specific imaging tests. Its function is to stimulate the contraction of the gallbladder and the secretion of pancreatic enzymes, which helps assess the function of the biliary and pancreatic systems. It is approved for use in both adults and children over the age of 12 for these diagnostic procedures.

Contraindications and Precautions

There are certain conditions where the use of CCK may be problematic or contraindicated:

  • Intestinal Blockage: CCK can increase intestinal motility and contractions, which may exacerbate a known blockage of the intestines.
  • Allergy or Hypersensitivity: Individuals with a known allergy or unusual reaction to CCK or any of its components should not receive the diagnostic aid.

Patients should inform their healthcare provider of all pre-existing medical conditions and medications, as certain drug interactions or underlying issues (e.g., active gallbladder disease, pregnancy, or lactation) may require careful consideration or preclude the use of CCK for testing.

What should I know about interactions with other medicines?

The interaction profile for Cck (Codergocrine Mesilate/Ergoloid) is determined by its metabolic pathway and documented pharmacodynamic effects. The regulatory information identifies specific combinations as contraindicated due to the potential for serious adverse outcomes.


Interaction Type Restrictions and Documented Outcomes
Metabolic Interactions Cck is a substrate of the CYP3A4 enzyme. Co-administration with potent CYP3A4 inhibitors (e.g., certain antifungals and HIV protease inhibitors) is contraindicated, as this significantly reduces the clearance of Cck and increases its systemic exposure (AUC and Cmax).
Pharmacodynamic Risks Combining Cck with Serotonin 5-HT1D Receptor Agonists (Triptans) is contraindicated due to the documented risk of additive vasoconstriction (vasospasm). Beta-Blockers and Sympathomimetics are also noted to enhance the vasoconstricting activity.

A mandatory timing-based rule requires the administration of Triptans and Cck to be separated by at least 24 hours. Furthermore, Cck may formally diminish the vasodilatory effect of co-administered Nitroglycerin and other organic nitrites. The prescribing information also notes that alcoholic drinks should be avoided as they may formally interfere with the effect of the medicine. These regulatory statements define the necessary restrictions to manage the risk of high exposure and potentiated physiological effects.

Mechanism of Action

Cholecystokinin (CCK) functions as a peptide hormone and neuropeptide, exerting its effects primarily as an agonist on two G protein-coupled receptors (GPCRs): the CCK-1 receptor ( CCK1 R) and the CCK2 R.

The CCK1 R is predominantly expressed in peripheral tissues, including the pancreatic acinar cells, gallbladder smooth muscle, and vagal afferent neurons. Ligand binding activates the heterotrimeric Galpha q protein, initiating the PLC-beta ( Phospholipase C-beta) pathway. This cleaves PIP2 into DAG and IP3 (Inositol Trisphosphate). IP3 triggers the release of Ca^2+ from intracellular stores, while DAG and Ca^2+ activate various Protein Kinase C ( PKC) isoforms. The increase in intracellular Ca^2+ concentration stimulates the release of pancreatic digestive enzymes and induces contraction of gallbladder smooth muscle. The resulting systemic modulation includes the delivery of bile and pancreatic secretions into the duodenum and the delay of gastric emptying via effects on the pyloric sphincter and vagal pathways, coordinating nutrient processing.

Dosage and Administration Information

How to Use Cck: Administration Guidelines

Cck (Codergocrine Mesilates/Ergoloid Mesylates) is administered according to a standardized, label-based protocol focused on consistency and proper technique.


Administration Scope

Entity Instruction
Route of Administration Approved for both Oral and Sublingual routes, depending on the dosage form.
Dosing Schedule The standard regimen is 1 mg per dose, taken three times a day (TID), resulting in a total daily dose of 3 mg.
Timing in Relation to Meals Oral forms may be administered with food or milk for optimal use.
Age-Group Rules The standard adult regimen is applied to older adults; use in pediatric patients (under 18) is not established.
Missed Dose Protocol If a dose is missed, it should be taken when remembered, unless it is close to the next dose, in which case the missed dose must be skipped. Do not take a double dose.

Special Procedural Conditions

Proper administration technique varies by formulation. Sublingual tablets must be placed under the tongue until dissolved completely and should not be chewed or swallowed. The oral solution can be mixed with water, juice, milk, or food prior to intake. Consistent and regular dosing is required over an extended period, as initial results may not be observed until three to four weeks after the regimen has begun.

This structured approach, with a fixed dosage and specific route and timing rules, defines the standardized use of Cck.

Recent Clinical Evidence

Cck: Recent Clinical Evidence

Evidence for Age-Related Cognitive Decline and Cerebral Insufficiency

The body of clinical evidence for Cck is based primarily on Randomized Controlled Trials (RCTs) and scientific reviews that synthesize data from these trials in older adults. Research examined Cck in individuals experiencing mild memory impairment, confusion, and symptoms of age-related decline in mental capacity. Researchers monitored outcomes using comprehensive clinical scales that evaluated various aspects of cognitive function. These pivotal studies typically involved an intermediate-term follow-up of about three to four months. Studies reported patterns where symptom outcomes measured by clinical rating scales were observed. However, research highlights that findings were mixed when assessing the drug’s impact on objective cognitive measures, and some scientific reviews have noted the observed changes were small.


Evidence for Symptoms Related to Vascular and Circulatory Insufficiency

Cck was also studied in research exploring its potential application in conditions where symptoms may stem from vascular insufficiency and peripheral circulatory limitations, such as frequent dizziness. These studies included controlled clinical trials where researchers examined the medicine. Research explored symptom outcomes related to physical discomfort and systemic or functional imbalance. This research structure is less defined than the cognitive domain; outcomes related to purely circulatory symptoms often functioned as secondary endpoints, and evidence regarding its sustained, long-term effect remains uncertain.


Research Gaps and Areas of Uncertainty

Scientific reviews consistently highlight several key limitations. Many foundational studies were conducted decades ago, meaning the diagnostic criteria and outcome measures used may differ from current standards, which contributes to the heterogeneity of evidence. Secondly, reported outcomes were short-term, and comparative evidence against newer pharmaceutical agents is lacking in recent, well-controlled trials. The duration and durability of any observed changes are not fully established.

Key Studies & References

  1. Dihydroergotoxine mesylate (Ergoloid Mesylates) - NIH MedlinePlus Drug Information
  2. Review of Codergocrine mesylate (Dihydroergotoxine mesylate) in the treatment of senile cognitive impairment
  3. The efficacy of ergoloid mesylates in the treatment of senile dementias: a meta-analysis of the clinical literature
  4. Codergocrine Mesilate - MeSH Descriptor Data

Frequently Asked Questions (FAQ)

Common questions about Cck (FAQ)

Q: Is Cck a brand name or a generic medicine?

The active ingredient is the generic name Ergoloid Mesylates (Codergocrine Mesilate). The medicine has historically been marketed under the brand name Hydergine. Both the generic and brand versions are discussed in official regulatory records.

Q: What is Cck commonly confused with?

The drug Cck (Codergocrine Mesilates/Ergoloid) is often pharmacologically confused with the peptide hormone Cholecystokinin (CCK), which is used separately as a diagnostic aid.

Q: Can Cck be used for conditions other than the ones listed in the official documents?

The official indication is to relieve signs and symptoms of decreased mental capacity due to the aging process. Regulatory documents specify that the medicine's scope of authorized use is limited to its approved indication.

Q: Does Cck have any warnings about its use?

Official warnings describe that the medicine may affect a patient's coordination, reaction time, or judgment. The label also recommends sitting up or standing slowly to help reduce the risk of dizzy spells.

Q: Why is Cck only available by prescription?

The medicine is classified as Prescription only (Rx) because its active components belong to the ergot alkaloid class. This classification is given due to the risk of specific, serious side effects and drug-drug interactions that require professional medical oversight.

Q: Does Cck change the way other medicines I take work?

Official prescribing information notes that the medicine is a substrate of the CYP3A4 enzyme and can formally affect other medications. Co-administration with several drug types is highlighted as either contraindicated or requiring caution.

Q: Can Cck affect blood pressure readings?

The medicine can cause orthostatic hypotension, a form of low blood pressure that occurs upon standing. As an ergot alkaloid, official sources also note a risk of vasoconstriction (narrowing of blood vessels) which may impact blood pressure.

Q: Is Cck considered a habit-forming drug?

Regulatory records indicate that Cck (Ergoloid Mesylates) is Not a controlled drug and is not scheduled under the Controlled Substances Act (CSA). The medicine is not classified as habit-forming by the U.S. government.

Q: Is it possible to take Cck while breastfeeding?

Regulatory guidelines advise caution and state that use of the medicine while breastfeeding is not recommended. This is because it is an ergot alkaloid, and it is not known whether the components are excreted into human milk.

Q: Are there special precautions for using Cck if I have kidney issues?

Official product information requires that a doctor be informed if a patient has a history of kidney diseases. The presence of these conditions may require special consideration when using the medicine.

Q: Does having a history of heart problems affect using Cck?

Official product information requires that a doctor be informed if a patient has a history of heart diseases (e.g., cardiac problems). This is important because Cck is a vasodilator and its class carries specific vascular risks.

Q: Has Cck been recalled or taken off the market anywhere?

The original brand name product (Hydergine) and some generic forms have been discontinued in the US market, typically for commercial reasons. However, regulatory sources do not mention a safety-related recall for the compound.

Q: Why might a patient stop taking Cck?

The medicine's label advises patients to consult with a healthcare provider before stopping use. Discontinuation is often related to the occurrence of unwanted effects or if a patient feels no benefit after several weeks of consistent use.

Q: Can taking Cck make you feel sleepy?

Official side effect lists include drowsiness and sleepiness as possible effects of the medicine. Regulatory information advises patients to be aware of how the medicine affects them before driving or operating machinery.

Q: Does Cck have a risk of affecting liver function?

Official product information requires that a doctor be informed if a patient has a history of liver diseases. Liver health is a factor in determining the appropriate use of Cck.

Q: Can Cck be taken with multivitamins or supplements?

Regulatory guidance requires that a doctor and pharmacist be informed about all prescription and nonprescription medications. This includes vitamins, nutritional supplements, and herbal products being taken or planned to take, due to potential interactions.

Q: What if I experience a rare side effect from Cck?

Official documents state that immediate medical attention is required if a patient experiences specific, severe side effects. These can include signs of an allergic reaction, blurred vision, or feeling faint, as detailed in the safety information.

Q: Does Cck affect the ability to drive or operate machinery?

Official warnings describe that the medicine may affect a patient's coordination, reaction time, or judgment. Regulatory information advises against driving or operating machinery until the patient knows how the medicine affects them.

Q: Is there a generic version of Cck available?

Yes, the medicine is available in its generic form as Ergoloid Mesylates (Codergocrine Mesilate). Official information about the generic form is available in regulatory databases.

Q: How long has Cck been available to the public?

Regulatory records indicate that the brand product containing the active ingredients was approved prior to 1982. This suggests the compound has been available for an extended period.

Q: Can Cck be split in half if it's not scored?

The regulatory instructions state that patients should swallow the oral tablet as a whole and not crush, break, or chew it. Only the sublingual form is designed to dissolve under the tongue for absorption.

Q: What should be done if too much Cck is taken?

Official product information states that in case of a suspected overdosage, an emergency room or poison control center must be contacted at once.

Q: Are there lifestyle changes that help Cck work better?

Regulatory sources do not recommend specific lifestyle changes to enhance the effect of the medicine. However, they do advise against the use of nicotine/tobacco as it can enhance certain vascular effects of the drug.

Q: Does Cck have a black box warning from the FDA?

Regulatory records for this specific compound do not list a black box warning from the FDA. A black box warning is the strongest warning the FDA requires for drug products.

Q: Can Cck be taken with herbal supplements?

Regulatory guidance requires that a doctor and pharmacist be informed about all prescription and nonprescription medications. This includes herbal products being taken or planned to take, due to potential interactions.

Q: Is Cck a controlled substance?

Regulatory records indicate Cck is Not a controlled drug (N/A) and is not scheduled under the Controlled Substances Act (CSA). This means it is not classified by the government as having a high potential for abuse or dependence.

Q: How quickly does Cck usually start working?

Official product information indicates that the full therapeutic effect of the medicine may not be observed right away. Results are often noted only after the medicine has been taken consistently for a period of several weeks.

Q: How long do the effects of Cck last?

The official instructions indicate that use over an extended period is necessary for the medicine to achieve its full effect. Consistent and regular dosing is a condition of use described in the label.

Q: Can Cck cause feeling dizzy or lightheaded?

Regulatory sources list dizziness and lightheadedness as less common or rare side effects associated with this medicine.

Q: Is it common to have stomach upset when taking Cck?

Stomach upset, nausea, and abdominal discomfort are described as commonly reported side effects. Official administration instructions suggest that the oral forms may be administered with food or milk to help limit gastrointestinal discomfort.

Q: Are there any common foods or drinks that should be avoided with Cck?

Official product information restricts the use of alcoholic drinks as they may formally interfere with the effect of the medicine. Regulatory documents also highlight the need to avoid the use of nicotine/tobacco, as it may enhance certain vascular effects of the drug.

Q: What happens in the body when Cck starts to work?

Cck is officially classified as both a vasodilator and a nootropic agent. This means the medicine is intended to help enhance cerebral blood flow and support optimal cerebral metabolism in brain cells.

Q: What is the expected timeline for seeing the full 'benefit' of Cck?

Official product information indicates that the full therapeutic effect of the medicine may not be observed right away. Results are often noted only after the medicine has been taken consistently for a period of several weeks.

Q: Is Cck used short-term or long-term?

The official instructions indicate that use over an extended period is necessary for the medicine to achieve its full effect. Consistent and regular dosing is a condition of use described in the label.

Q: Why do some people say Cck didn't work for them?

Scientific literature and official reviews indicate that findings from some studies regarding the medicine's impact on objective cognitive measures have been mixed. Observed changes in symptoms were sometimes described as small, which may contribute to a patient feeling a lack of effect.

Q: Is there any research on Cck and long-term use safety?

Scientific reviews consistently highlight that many foundational studies supporting the medicine reported short-term outcomes. The research body indicates that the long-term safety, duration, and durability of any observed changes are not fully established.

Q: Are there specific patient groups that Cck is not studied in?

Official drug information states that the safety and effectiveness of the medicine in pediatric patients (those under the age of 18) has not been established. This means its use in children is not officially supported by current data.

How should Cck be stored and disposed of?

How to Store and Dispose of Cck?

Regulatory agencies mandate specific conditions for the storage and disposal of Cck (Codergocrine Mesilate/Ergoloid) to preserve the integrity of the fixed-dose combination and ensure environmental safety.

Requirement Type Official Regulatory Statement
Temperature Range Store at Controlled Room Temperature, typically 20 C to 25 C (68 F to 77 F). Do not freeze or expose to excessive heat.
Environmental Control Mandatory protection from light and moisture is required. Do not store in a high-humidity environment like a bathroom.
Packaging Rules Keep the medicine in its original package/container and ensure the container is tightly closed to maintain stability until the stated expiry date.
Child Safety Keep out of the sight and reach of children at all times.
Disposal Instructions Do not dispose of Cck in wastewater or household waste. Unused or expired medication must be returned to a pharmacist or a designated collection point according to local regulations for proper pharmaceutical waste management.

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

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