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Related Concept Videos

Dosage Regimen Designs: Nomograms and Tabulations01:23

Dosage Regimen Designs: Nomograms and Tabulations

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Nomograms and tabulations are vital tools used by clinicians to design accurate and individualized dosage regimens. These instruments provide a straightforward method for adjusting dosages based on individual patient characteristics, including age, weight, and physiological condition. The foundation of a drug's nomogram is population pharmacokinetic data collected and analyzed using specific models. This data simplifies complex equations, presenting them diagrammatically or tabularly for easy...
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Molecular Compounds: Formulas and Nomenclature03:10

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Molecular compounds or covalent compounds result when atoms share electrons to form covalent bonds. Since there is no electron transfer, molecular compounds do not contain ions; instead, they consist of discrete, neutral molecules. 
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Chemical Formulas02:52

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A chemical formula presents information about the proportions of atoms constituting a particular chemical compound or molecule, mainly using symbols of elements and numbers. At times other symbols, such as dashes, parentheses, brackets, commas, plus, and minus signs, are also used. A chemical formula can be one of three types – molecular, empirical, and structural.
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Changes in polymorphic forms can significantly influence the bioavailability of poorly soluble drugs. Although the FDA defines pharmaceutical equivalence based on having the same active ingredient, dosage form, and route of administration, it does not automatically disqualify products with different polymorphic forms. This means two products with different polymorphs can still be deemed pharmaceutically equivalent. However, polymorphic differences can affect properties like wettability,...
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The one-compartment model is a pharmacokinetic tool that models the body as a single, uniform compartment, facilitating the understanding of drug distribution and elimination. This model is particularly beneficial for intravenous (IV) bolus administration, where the drug rapidly circulates throughout the body.
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The elemental makeup of a compound defines its chemical identity, and chemical formulas are the most concise way of representing this elemental makeup. When a compound’s formula is unknown, measuring the mass of its constituent elements is often the first step in determining the formula experimentally.
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Related Experiment Video

Updated: Oct 30, 2025

A Clinical Trial Assessing the Safety, Efficacy, and Delivery of Olive-Oil-Based Three-Chamber Bags for Parenteral Nutrition
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Oligomeric Formulas in Surgery: A Delphi and Consensus Study.

Daniel De Luis Román1, Eduardo Domínguez Medina2, Begoña Molina Baena3

  • 1Center of Investigation Endocrinology and Nutrition, Hospital Clínico Universitario de Valladolid, Medicine School University, 47002 Valladolid, Spain.

Nutrients
|July 2, 2021
PubMed
Summary
This summary is machine-generated.

Oligomeric formulas can improve nutritional therapy for surgical patients with intestinal issues like malabsorption. Early jejunal feeding with these formulas is more effective than IV fluids in specific post-operative scenarios.

Keywords:
enteral nutritionmalabsorptionoligomeric formulashort bowel syndromesurgery

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Area of Science:

  • Clinical Nutrition
  • Surgical Gastroenterology
  • Medical Nutrition Therapy

Background:

  • Nutritional management for intestinal failure frequently involves oligomeric formulas.
  • Oligomeric formulas represent a potential nutritional strategy for surgical patients experiencing maldigestion or malabsorption.

Purpose of the Study:

  • To assess the effectiveness of nutritional therapy using oligomeric formulas in surgical patients.
  • To generate consensus on the clinical application of oligomeric formulas via a Delphi survey.

Main Methods:

  • A Delphi methodology survey was employed to gather expert opinions.
  • Consensus was defined by a median score of ≥7 and an interquartile range of ≤3.

Main Results:

  • Oligomeric formulas can enhance nutritional therapy in surgical patients, particularly in short bowel syndrome and post-operative nonspecific diarrhea.
  • Early jejunal enteral nutrition with oligomeric formula is considered more effective than intravenous fluid therapy.
  • These formulas are beneficial for patients undergoing major upper gastrointestinal surgery with suspected malabsorption/maldigestion and when feeding tubes are placed distally to the duodenum.

Conclusions:

  • Oligomeric formulas offer a practical approach for managing surgical patients with intestinal disorders and malabsorption.
  • This study provides guidance for clinicians in decision-making regarding the use of oligomeric formulas.