octanoic acid and Sensitivity and Specificity

octanoic acid has been researched along with Sensitivity and Specificity in 24 studies

octanoic acid: RN given refers to parent cpd; structure in Merck Index, 9th ed, #1764
octanoic acid : A straight-chain saturated fatty acid that is heptane in which one of the hydrogens of a terminal methyl group has been replaced by a carboxy group. Octanoic acid is also known as caprylic acid.

Sensitivity and Specificity: Binary classification measures to assess test results. Sensitivity or recall rate is the proportion of true positives. Specificity is the probability of correctly determining the absence of a condition. (From Last, Dictionary of Epidemiology, 2d ed)

Research

Studies (24)

Authors

Clinical Trials (3)

Trial Overview

Trial Outcomes

Change in Time to 50% Emptying: Post Test Less Baseline Pooled Over Orderings

Patients will be given a standardized meal enriched with a labeled material and the breath samples are then collected and analyzed. The estimated time to reaching 50% of the accumulated contents is recorded. (NCT01323582)
Timeframe: at baseline before initiation of the treatment and after completion of each treatment period.

Change in Time to 50% Gastric Emptying: Post Test Less Baseline Pooled Over Orderings

Patients will be given a standardized meal enriched with a labeled material and the breath samples are then collected and analyzed. The estimated time to reaching 50% of the accumulated contents is recorded. (NCT01323582)
Timeframe: Baseline and end of treatment period

Does GCSI Score Improve (Lower) on Treatment, Pooling the AZ Patients Over Their Treatment Periods? Endpoint is Difference in Post-test Less Baseline

"This is a Validated instrument for measuring symptom severity in patients with gastroparesis. This scoring is based on a Likert Scale from (0-5) with zero being no symptom and five being very severe symptoms on 9 subscales, making the overall score range from 0-45. The higher the score, the more severe patient's symptoms are. The scale is reported in the references.~This is a calculation taken with GCSI score at end of treatment minus baseline. Negative value reflects this change." (NCT01323582)
Timeframe: Baseline and end of treatment period

Gastroparesis Cardinal Symptom Index (GCSI) Score

"This is a Validated instrument for measuring symptom severity in patients with gastroparesis. This scoring is based on a Likert Scale from (0-5) with zero being no symptoms and five being very severe symptoms on 9 subscales, making the overall score range from 0-45. The higher the score, the more severe patient's symptoms.~Reference for GCSI: Revicki DA, REntz AM, Dubois D, et al. Development and validation of a patient-assessed gastroparesis symptoms severity measure: the Gastroparesis Cardinal Symptom Index. Ailment Pharm Ther 2003; 18: 141:50.~Because the difference is RX-B -RX A in one group and RX A -RX B in the other, the difference between these two estimates twice the effect size. Hence the Half is applied, as is standard in the two sample method for crossover studies." (NCT01323582)
Timeframe: Weeks 4 and 11 (end of periods)

Gastroparesis Cardinal Symptom Index (GCSI) Score Change From Baseline to Post Treatment

"This is a Validated instrument for measuring symptom severity in patients with gastroparesis. This scoring is based on a Likert Scale from (0-5) with zero being no symptom and five being very severe symptoms on 9 subscales, making the overall score range from 0-45. The higher the score, the more severe patient's symptoms are. The scale is reported in the references. The change was calculated by measuring the end of treatment minus baseline GCSI score.~Negative value reflects this change." (NCT01323582)
Timeframe: Baseline and end of treatment period

NDI Score

"Nepean Dyspepsia Index (NDI) is a measure of symptom status and quality of life in functional dyspepsia. This scale is scored using each subscale (Tension, interference with daily activities), Eating/drinking, Knowledge/control, work/study) and adding up the items for each of the five subscale score (2-10). Total score range would be 10-50).~For the NDI, a lower number is better meaning the symptom is not effecting quality of life and a higher score closer to 50 is worse meaning it is effecting patients quality of life.~Reference: Talley NJ, Verlinden M, Jones M. Quality of life in functional dyspepsia: responsiveness of the Nepean Dyspepsia Index and developement of a new 10-iten short form. Aliment Pharmacol Ther 2001: 15: 207-216.~Because the difference is RX-B -RX A in one group and RX A -RX B in the other, the difference between these two estimates twice the effect size. Hence the Half is applied, as is standard in the two sample method for crossover studies." (NCT01323582)
Timeframe: Weeks 4 and 11 (end of periods)

Time in Minutes for 50% of the Ingested Meal to Empty the Stomach With a Standardized Breath Test: Half the of the Week 11 Value (Period 2) Less Half the of the Week 4 Value (Period 1). This Estimates the Effect Size.

Patients will be given a standardized meal enriched with a labeled material and the breath samples are then collected and analyzed. The estimated time to empty 50% (t 1/2) of the accumulated contents is recorded. Because the difference is RX-B -RX A in one group and RX A -RX B in the other, the difference between these two estimates twice the effect size. Hence the Half is applied, as is standard in the two sample method for crossover studies. (NCT01323582)
Timeframe: Weeks 4 and 11 (end of periods)

TLAG (Time From Ingestion of Meal to Start of Gastric Emptying)

This is defined as the time from ingestion of the meal to the beginning of the emptying process in minutes. Because the difference is RX-B -RX A in one group and RX A -RX B in the other, the difference between these two estimates twice the effect size. Hence the Half is applied, as is standard in the two sample method for crossover studies. (NCT01323582)
Timeframe: Weeks 4 and 11 (end of periods)

Reviews

2 reviews available for octanoic acid and Sensitivity and Specificity

Trials

3 trials available for octanoic acid and Sensitivity and Specificity

Other Studies

19 other studies available for octanoic acid and Sensitivity and Specificity