Улколфри

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Улколфри

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 Улколфри

Overview of Ulcolfry

Ulcolfry is a pharmacological agent primarily utilized in the management of acid-related gastrointestinal disorders. It belongs to a class of medications known as proton pump inhibitors (PPIs). The therapeutic objective of this medication is to reduce the production of gastric acid by targeting the enzyme system located in the stomach lining.

Mechanism of Action

The active process involves the inhibition of the H^+/K^+-ATPase enzyme system, often referred to as the gastric acid pump. By blocking the final stage of acid secretion, Ulcolfry helps decrease the overall acidity within the stomach environment. This reduction in acid allows the esophageal and gastric mucosa to recover from irritation or ulceration.

Clinical Applications

Ulcolfry is typically indicated for conditions where a reduction in gastric acid secretion is beneficial for symptom relief and tissue healing. These conditions include:

  • Gastroesophageal Reflux Disease (GERD): Management of symptoms such as heartburn and acid regurgitation caused by the backflow of stomach acid into the esophagus.
  • Peptic Ulcer Disease: Assistance in the healing of ulcers located in the stomach or the upper part of the small intestine (duodenum).
  • Zollinger-Ellison Syndrome: Management of pathological hypersecretory conditions where the stomach produces excessive amounts of acid.
  • Erosive Esophagitis: Treatment of inflammation and damage to the lining of the esophagus.

Pharmacological Profile

As a systemic medication, Ulcolfry is designed to provide a sustained decrease in gastric acidity over a 24-hour period. Its effect is dose-dependent, meaning the level of acid suppression is correlated with the amount of active substance processed by the body. Because it acts on the specific mechanism of acid production rather than simply neutralizing existing acid, it is used for long-term symptom management rather than immediate, temporary relief.

Regulatory References

  1. Mesalamine: MedlinePlus Drug Information

What side effects are possible with Улколфри?

Possible Side Effects and Safety Information

The safety profile of mesalazine, the active ingredient in Улколфри, is documented in official regulatory sources and classified by the frequency of reported adverse events and the systems affected. These classifications distinguish between common and rare occurrences.

Frequency Classification of Adverse Reactions

Side effects are grouped by the likelihood observed in clinical data and post-marketing reports, according to regulatory standards:

Classification Common Examples
Common (geq1%) Headache, nausea, diarrhea, vomiting, and abdominal pain.
Rare Myocarditis and pericarditis (cardiac hypersensitivity), pancreatitis, and photosensitivity.
Very Rare Serious cutaneous adverse reactions (SCARs) like Stevens-Johnson syndrome (SJS) and Toxic Epidermal Necrolysis (TEN), and blood disorders like agranulocytosis.

Serious Adverse Reactions and Systemic Effects

Regulatory documentation highlights serious adverse reactions that affect major organ systems. These include documented cases of renal impairment, such as acute interstitial nephritis, and severe hepatic failure. A specific event known as Acute Intolerance Syndrome is also officially listed; this syndrome involves severe abdominal pain and bloody diarrhea that can be difficult to distinguish from an acute flare-up of the underlying ulcerative colitis.

Population-Specific and Contextual Constraints

Official prescribing information includes specific safety limitations. Mesalazine is not recommended for use in individuals with severe pre-existing renal impairment. Caution is advised when used in older adults and in patients with impaired hepatic function. Furthermore, renal function is advised to be monitored, particularly when initiating treatment, and concurrent use with other known nephrotoxic agents may increase the risk of renal effects. The product information also notes that the medicine may cause a reddish-brown discoloration when urine or stool contacts hypochlorite bleach.

Overdose and Emergency Response

Overdose and When to Seek Help

The official regulatory documents classify the potential effects of an Улколфри (Mesalazine) overdose based on the recognized profile of an aminosalicylate. Due to limited human clinical experience in controlled overdose settings, the manifestations are typically documented as aligning with symptoms of salicylate toxicity.

Documented Manifestations: Symptoms noted in official labeling may include metabolic and respiratory disturbances such as acid-base balance disorder and hyperventilation. Other clinical signs can involve vomiting, dehydration, and hypoglycemia. In severe cases, documented outcomes include pulmonary edema.

Required Emergency Actions: It is mandatory to seek immediate medical attention upon any suspicion of overdose or if any of the documented signs of toxicity are observed. Furthermore, an immediate clinical evaluation is required if symptoms suggest a severe systemic reaction, such as inflammation involving the heart (myocarditis) or kidneys (nephritis), as these severe complications are noted in regulatory warnings.

Management Protocol: The management of Mesalazine overdose is officially designated as symptomatic and supportive treatment. Regulatory statements consistently confirm that no specific antidote is known for this condition. Close clinical observation and continuous monitoring are required for patients presenting with severe manifestations or complications.

Therapeutic Uses of Улколфри

What Улколфри Treats: Main Uses and Benefits

Inducing Relief from Active Colitis Symptoms

Улколфри is a foundational treatment commonly used for patients generally experiencing mild-to-moderate flare-ups of Ulcerative Colitis (UC), a condition involving inflammatory processes in the colon. This medication helps address acute symptom clusters such as abdominal cramping, urgency, and the distressing manifestations of rectal bleeding and frequent diarrhea. The goal is to provide supportive relief that helps patients work toward clinical remission. Therapeutic areas of use generally include active Ulcerative Colitis, ulcerative proctitis, and long-term maintenance therapy.


“This long-term use is considered relevant for patients with chronic UC to manage the risk of recurring inflammation.”


Quick Fact: Relief for Inflammatory Symptoms

Area of Benefit Context of Use
Symptom Management Helps address acute symptom clusters related to colonic inflammation.
Disease Stability Applied for chronic support to assist in maintaining remission and managing the risk of recurrence.
Localized Support Relevant in clinical settings marked by localized inflammation, like ulcerative proctitis.

Maintaining Long-Term Disease Stability (Remission)

This medication is applied across therapeutic domains requiring chronic support to prevent recurrent inflammation. Long-term maintenance contributes to sustained day-to-day comfort and stability, helping to maintain functional stability and easing the overall symptom load.

Regulatory References

  1. NIH StatPearls overview

Eligibility and Restrictions for Use

Who Can and Cannot Use Улколфри?

The eligibility for Улколфри (mesalazine) is defined by official regulatory criteria, focusing strictly on patient population status, organ function, and hypersensitivity. The following criteria define who may or must not use the medicine.

Absolute Contraindications (Must Not Use):

  • Hypersensitivity: Individuals with a known or suspected allergy to mesalazine, other aminosalicylates, or salicylates.
  • Severe Organ Impairment: Patients with documented severe impairment of hepatic (liver) function or severe impairment of renal (kidney) function.

Age and Developmental Status: The medicine is approved for use in adults and for pediatric patients starting at a minimum age, often 5 years and older for certain formulations. Use is generally not recommended in children below this threshold as efficacy and safety are not established in those groups.

Conditional Use and Caution: Official labeling advises caution for patients with pre-existing, non-severe impaired hepatic or renal function. Additional caution is required for individuals with chronic lung function impairment (e.g., asthma) or a documented history of sulfasalazine allergy. Use during pregnancy and lactation is generally permitted only if clearly needed and when the benefit outweighs the risks, as documented in the product label.

What should I know about interactions with other medicines?

The official regulatory interaction profile for Улколфри (Mesalazine) describes specific constraints and outcome risks when co-administered with certain medications and substances.

Documented Pharmacokinetic and Metabolic Interactions

Co-administration with thiopurine drugs such as Azathioprine or 6-Mercaptopurine increases the risk for blood dyscrasias (e.g., myelosuppression). This is attributed to the documented inhibition of Thiopurine Methyltransferase (TPMT) by mesalazine, which reduces the metabolic clearance of the thiopurines.

Pharmacodynamic and Additive Risk

Concurrent use with known nephrotoxic agents, including Non-Steroidal Anti-Inflammatory Drugs (NSAIDs), may increase the risk of renal adverse reactions. This caution is specifically noted in regulatory documents for patients with known renal impairment. Additionally, the co-administration with Coumarin-type Anticoagulants (e.g., Warfarin) could result in decreased anticoagulant activity, requiring monitoring.

Administration Constraints and Laboratory Interference

Specific administration constraints exist for certain formulations: preparations that lower stool pH, such as Lactulose, must be avoided as they chemically impede the intended drug release. The official labeling also records that mesalazine may lead to spuriously elevated test results when measuring urinary normetanephrine via specific diagnostic methods.

Mechanism of Action

How Улколфри Works: Mechanism of Action

Улколфри operates through selective enzyme inhibition, binding precisely to the active site of the Cyclooxygenase-2 ( COX-2) enzyme, an isoform that is inducible and overexpressed in certain physiological states. This interaction blocks an early, critical step in the Arachidonic Acid Cascade, halting the conversion of precursors into pro-inflammatory mediators such as PGE2.

Beyond direct blockade, the mechanism of Улколфри causes the modulation of cellular signaling, including the activity of the NF-kappa B transcription factor. By influencing these regulatory pathways, the drug reduces the rate of generation of signals typically involved in sustaining and amplifying the physiological process, leading to a change in the steady-state equilibrium of the targeted responses.

This systematic molecular blockade modifies the typical sequence of events within the targeted physiological response. The result is an altered concentration of mediators that sensitize peripheral nerve fibers and change microvascular permeability. These physiological adjustments involve the moderation of excessive mediator activity, leading to an adjusted physiological state within the affected systems.

Dosage and Administration Information

The usage protocol for Улколфри is structured to define administration based on the disease phase and location. The medication is delivered via oral formulations (tablets and capsules) and rectal formulations (suppositories and enemas/suspensions). The choice of route often depends on the extent of the inflammation.

Oral dosing regimens are categorized by therapeutic goal. For the induction of remission in adults, daily doses typically range from mathbf2.4 g to mathbf4.8 g, administered as either a single dose or divided multiple times daily for a specified course, such as approximately mathbf6 weeks. For long-term maintenance therapy, the typical adult dose is mathbf1.5 g to mathbf2.4 g once daily. Rectal treatment, often used for localized inflammation, involves a mathbf1000 mg suppository or mathbf4 g enema, generally administered once daily at bedtime.

A critical procedural constraint is that most oral delayed- or extended-release products must be swallowed whole without being crushed or chewed to preserve the integrity of the drug delivery mechanism. Intake instructions regarding food also vary by formulation: some are specified to be taken with a meal, while others are taken without regard to food. Furthermore, it is recommended to maintain adequate fluid intake throughout the course of use. Standard practice for all formulations involves the evaluation of renal function prior to initiating treatment and periodically while on therapy. Dosing for pediatric patients mathbfgeq 5 years is based on body weight.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Улколфри


Research Evidence for Using Улколфри in Active Ulcerative Colitis

Research for Улколфри, whose active ingredient is mesalazine, has explored its evaluation in periods of active disease. Studies conducted during periods of increased symptom activity include short-term Randomized Controlled Trials (RCTs) and systematic reviews, where the medication was compared to a placebo or other regimens. These studies primarily involved Adults experiencing active ulcerative colitis (UC), and they were relevant in trials assessing short-term or episodic symptom patterns.

The main outcomes monitored in this research were outcomes related to physical discomfort and systemic or functional imbalance. Specifically, studies monitored clinical outcomes capturing phases of heightened symptom activity, such as changes in the frequency of bowel movements, rectal bleeding, and overall physician assessments of disease activity. Studies monitored changes measured during the study period, with findings describing patterns observed in the studies over the defined time intervals.

Studies on Maintaining Remission and Preventing Relapse

Улколфри was evaluated in long-term research exploring how symptoms change over time after a flare-up has entered a phase of lower symptom activity. Extended-duration RCTs and large-scale observational studies were the primary research designs used. These studies involved Adults who had achieved stability and were monitoring outcomes related to physiological strain or stress over extended periods.

Long-Term Data and Follow-up Durations

The duration of patient follow-up in studies is important for understanding long-term stability. For the assessment of active symptoms, research exploring short-term symptom changes typically involves trials lasting from 4 to 12 weeks. For the maintenance goal, the follow-up durations were longer, with research typically involving periods ranging from 6 months to 1 year in controlled settings.

Research in Specific Patient Groups and Localized Disease

Улколфри was evaluated in separate clinical programs focusing on Pediatric patients (children and adolescents) diagnosed with ulcerative colitis. This research contributes to the broader evidence landscape regarding short-term changes and sustained low symptom activity in this specific age group. Localized forms of the condition, such as ulcerative proctitis (inflammation limited to the rectum), was also evaluated in research.

Key Limitations and Areas of Ongoing Research

One known limitation is that the results apply only to the populations studied, and evidence quality varies across studies. Furthermore, long-term outcomes are not fully established regarding very rare, long-term disease complications. Research exploring long-term outcomes related to disease progression is still emerging, particularly in patients with milder forms of UC. Finally, comparative evidence is lacking in some areas.

Key Studies & References Ulcerative colitis: management (NICE Guideline NG130)

Frequently Asked Questions (FAQ)

Common questions about Улколфри (FAQ)

Q: Can older adults use Улколфри as safely as younger adults?

Official labeling, such as in the Use in Specific Populations section, indicates that elderly patients may face a slightly higher risk for certain adverse reactions, such as blood disorders, compared to younger adults. Regulatory documents state that patients in this age group may be subject to monitoring protocols as defined in the official labeling.


Q: What is the meaning of the specific dosage strength of Улколфри?

The dosage strength (typically measured in grams or milligrams) is the precise amount of the active ingredient present in a single tablet, capsule, or rectal dose. The specific strength is based on the therapeutic goal—either inducing remission or providing long-term maintenance—and the specific formulation type, as defined in the official product information.


Q: How should Улколфри be stored at home?

Official guidance is to store the medication at room temperature, protected from exposure to excess heat, direct light, and moisture. For safety, storing the medication out of sight and reach of children is important.


Q: Are there any special instructions for disposing of unused Улколфри?

Official patient information often references measures for securing medication, such as using safety caps. For specific guidance on how to safely dispose of any unused or expired medication, general resources like the FDA's drug disposal guidelines are typically referenced.


Q: What is the half-life of Улколфри in the body?

The half-life refers to the time it takes for the body to process and eliminate half of the amount of the drug. This specific pharmacokinetic property is detailed in the official product information intended for healthcare providers, as it relates to how the drug behaves in the body over time.


Q: What happens if a person stops taking Улколфри suddenly?

This medication is used for long-term maintenance therapy in many cases, meaning it helps prevent the return of symptoms. Stopping treatment without instruction may lead to a loss of the therapeutic benefit, which could result in a return of the original condition's symptoms.


Q: Can Улколфри be taken by people who are sensitive to certain foods or dyes?

Official labeling lists all inactive ingredients and includes specific warnings about certain components, such as sulfites or a sugar substitute like aspartame (a source of phenylalanine). Patients who have known sensitivities or conditions like Phenylketonuria (PKU) are often directed to review the inactive ingredients list in the official labeling.


Q: Does Улколфри build up in the body over time?

The drug is processed by the body to reach a steady concentration over time, a process detailed in the pharmacokinetics section of the official product information. The goal is for the active components to remain available in the body for the drug to maintain its therapeutic purpose.


Q: Is it true that Улколфри affects sleep patterns?

The data from clinical trials reports that some less common side effects can include dizziness, tiredness (fatigue), and somnolence (drowsiness). These effects are noted in the official labeling and may potentially impact rest and sleep patterns.


Q: What kind of studies have been done on the long-term effects of Улколфри?

The official product information, specifically in the Clinical Studies section, describes the pivotal trials conducted. These studies include data used to demonstrate the drug's effectiveness for both the initial induction of remission and the long-term maintenance of the condition.


Q: Can Улколфри be taken with a multivitamin or supplements?

Regulatory documents list known and theoretical interactions with other medications. Because of the vast number of multivitamins and supplements available, the practice of disclosing all co-administered products to a healthcare professional helps identify any potential concerns.


Q: Is Улколфри known to interact with caffeine?

Official drug interaction data focuses primarily on prescription and certain over-the-counter medicines. Caffeine is not commonly listed as a known interaction in the regulatory data. Disclosing the full use of substances, including caffeine, to a healthcare professional is consistent with patient counseling information.


Q: What are the most commonly reported less serious side effects of Улколфри?

The most common adverse reactions reported in clinical trials, which occurred in a specific percentage of patients, include, but are not limited to, headache, nausea, flatulence, abdominal pain, and diarrhea. This information is available in the official prescribing data.


Q: Does Улколфри have an impact on blood pressure readings?

Official warnings describe that rare hypersensitivity reactions associated with the drug may include internal organ involvement, specifically myocarditis (inflammation of the heart muscle) and pericarditis (inflammation of the heart or its surrounding sac). The full official labeling provides specific details regarding cardiovascular effects.


Q: Is there a known effect of Улколфри on appetite or weight?

The list of reported side effects in the official labeling includes the possibility of decreased appetite. Additionally, rare cases of fluid retention or weight gain have been reported in association with adverse kidney effects, which is a known warning for this class of medicine.


Q: Is Улколфри safe for people who have certain liver conditions?

Regulatory documents include a specific warning about the risk of hepatic failure in patients with pre-existing liver disease. For such patients, official information indicates that a careful evaluation of the risks and benefits of using the medication is necessary.


Q: What is the difference between the active ingredient in Улколфри and other ingredients?

The active ingredient is the chemical component responsible for delivering the intended therapeutic effect for the condition being treated. The other (inactive) ingredients are components necessary to create the dosage form, such as fillers, binders, or protective coatings, and are also fully listed in the official product description.


Q: Has research looked into using Улколфри during pregnancy?

Official labeling contains a detailed Risk Summary for use during pregnancy, based on human and/or animal data. Furthermore, some labels mention the existence of pregnancy exposure registries that monitor outcomes over time.


Q: Is it common for people to have mild stomach discomfort when starting Улколфри?

Mild stomach discomfort, abdominal pain, cramping, nausea, and diarrhea are among the most common adverse reactions reported in clinical studies. Additionally, the official warnings describe an Acute Intolerance Syndrome with similar gastrointestinal symptoms.


Q: What is the legal classification of Улколфри (e.g., controlled substance)?

The active ingredient in this medication is not classified as a controlled substance by U.S. regulatory bodies like the Drug Enforcement Administration (DEA). Its status is a matter of public record and is defined by its chemical structure and potential for abuse.


Q: Can Улколфри affect the reliability of birth control pills?

Potential interactions with hormonal contraceptives are typically addressed in the Drug Interactions or Females and Males of Reproductive Potential section of the official label. Reviewing the full list of known interactions helps patients understand any relevant information.


Q: Are there generic versions of Улколфри available?

Once a drug's patent expires and regulatory approval is granted based on rigorous standards, generic versions containing the same active ingredient may become available. These are typically listed in the FDA's approved drug products records.


Q: Is it normal to feel tired during the first week of taking Улколфри?

Feeling tired (fatigue) or drowsy (somnolence) is listed as an adverse reaction in the clinical trial data for the medication. These are commonly reported general side effects that patients may experience.


Q: What is the main mechanism described for how Улколфри works?

The official product information, in the Mechanism of Action section, states that the medicine is thought to work locally in the colon. It is believed to function by inhibiting factors involved in the body’s inflammation process.


Q: Does Улколфри interact with common pain relievers like ibuprofen or acetaminophen?

The official warnings specifically state that the drug may interact with other medicines that affect the kidneys, including non-steroidal anti-inflammatory drugs (NSAIDs) like ibuprofen. Regulatory documents indicate that an evaluation of this risk may be necessary.


Q: How long does the main effect of one dose of Улколфри typically last?

The duration of the drug's effect is a property of its pharmacokinetics, which is detailed in the official product information for healthcare providers. The duration depends heavily on the specific formulation (e.g., delayed-release or extended-release) designed to release the drug over a specific time frame.


Q: What information is available about the interaction between Улколфри and alcohol?

While alcohol is not always listed as a direct drug interaction, warnings sections generally refer to limiting or avoiding alcohol. This is often due to the potential for increasing gastrointestinal or other side effects associated with the drug or the underlying condition.


Q: Why is Улколфри not recommended for people with certain heart conditions?

Official warnings describe that hypersensitivity reactions associated with the drug may include internal organ involvement, specifically myocarditis (inflammation of the heart muscle) and pericarditis (inflammation of the sac around the heart). This is an adverse reaction noted in the official prescribing information.


Q: Do regulatory bodies classify Улколфри as having a high risk of dependency?

The drug's potential for abuse and physical or psychological dependence is formally addressed in the official labeling under the Drug Abuse and Dependence section. The active ingredient is not classified as a controlled substance.


Q: What are the main findings from the pivotal clinical trials for Улколфри?

The official product information includes a summary of the key findings from the pivotal clinical trials that supported the regulatory approval. These findings demonstrate the drug's approved use for its indicated purpose, such as induction and maintenance of remission.


Q: Is it possible to be allergic to the inactive ingredients in Улколфри?

Yes. The medication is formally contraindicated (should not be used) in patients with a known or suspected hypersensitivity not only to the active ingredient or related compounds but also to any of the ingredients (both active and inactive) in the formulation.


Q: Does taking Улколфри affect driving or operating machinery?

Since common reported side effects include dizziness and somnolence (drowsiness), official patient counseling information advises caution. Patients should be mindful of these potential effects when engaging in activities that require full mental alertness, such as driving or operating heavy machinery.


Q: Are there known differences in how Улколфри affects men versus women?

Clinical trial data often analyzes differences in how the drug is processed (pharmacokinetics) across various subgroups, including sex. This information is summarized in the official product information for healthcare providers to ensure appropriate understanding of the drug’s profile.


Q: Can Улколфри be used in people with kidney impairment?

Regulatory warnings state that patients with existing renal (kidney) impairment may have a greater risk of adverse reactions. For these patients, a risk-benefit evaluation and monitoring of kidney function are required before and periodically during treatment.


Q: What is the difference between a common side effect and a serious adverse event for Улколфри?

In official drug labeling, common side effects are risks reported by a certain percentage of patients in clinical trials. Serious adverse events are life-threatening or require significant medical intervention, and these are highlighted separately in the warnings section.


Q: How does the official literature describe the condition Улколфри is used to treat?

The official product information describes the condition it is used to treat, such as ulcerative colitis, and the specific therapeutic goal for which the drug is approved. This includes use for the induction of remission or the maintenance of remission.


Q: Are there any specific warnings about sun exposure while taking Улколфри?

Yes. Official warnings advise that patients should avoid sun exposure, wear protective clothing, and use a broad-spectrum sunscreen due to the potential for photosensitivity (increased sensitivity to sunlight) associated with this medication.


Q: Why are certain foods listed as potential interactions with Улколфри?

The specific directions regarding taking the drug with or without a meal are related to the unique coating or formulation of the product. This is designed to ensure the active ingredient is released in the correct part of the gastrointestinal tract for optimal absorption and effectiveness.


Q: What is the chemical name of the active ingredient in Улколфри?

The active ingredient is chemically known as 5-aminosalicylic acid (5-ASA), or by its non-proprietary name, mesalamine. This information is found in the Description section of the official product labeling.


Q: Is there an age limit for taking Улколфри?

The official product labeling specifies the age groups for which the drug has been studied and approved for use. This can range from certain pediatric patients (often starting at age 5) up through the geriatric population, with different dosing guidelines for each group.


Q: Does Улколфри cause water retention or swelling?

Swelling (related to fluid retention) or weight gain have been reported in rare cases. These effects are sometimes associated with adverse kidney-related reactions, which is a key warning for this class of medicine.


Q: Can Улколфри be taken while breastfeeding?

The official labeling includes a detailed risk summary regarding the use of the drug during lactation. This summary typically includes information about the amount of drug transferred to breast milk and the potential effects on the breastfed infant.

How should Улколфри be stored and disposed of?

How to Store and Dispose of Mesalazine (Улколфри)

Official regulatory guidelines mandate specific storage conditions to maintain the stability of mesalazine products, such as tablets and enemas.

Required Storage and Protection

Condition Requirement
Temperature Store below 25 C or 30 C (depending on formulation), or at Controlled Room Temperature (20^circ to 25 C).
Protection Keep the product protected from light and moisture.
Packaging Store in the original container and ensure it is tightly closed.

Stability and Safety

Certain enema formulations must not be refrigerated or frozen, and any liquid that appears dark brown must be discarded. The product must be kept out of the sight and reach of children as a non-negotiable safety requirement.

Disposal

Unused or expired mesalazine must be disposed of in accordance with local requirements, avoiding disposal via household waste or wastewater.

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

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