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NCT03582722

Weight Loss Aid in an Exposed Population

Completed Phase 4 Results posted Last updated 25 April 2024
What this trial tests

Phase 4 trial testing Orlistat in Polybrominated Biphenyl Poisoning in 100 participants. Completed in 30 June 2022.

Timeline
14 September 2018
Primary endpoint
30 June 2022
30 June 2022

Quick facts

Lead sponsorEmory University
PhasePhase 4
StatusCompleted
Study typeINTERVENTIONAL
Allocationrandomized
Designparallel
Maskingquadruple
Primary purposetreatment
Enrollment100
Start date14 September 2018
Primary completion30 June 2022
Estimated completion30 June 2022
Sites1 location across United States

Drugs / interventions tested

Conditions studied

Sponsor

Emory University

Who can join

18 and older, any sex, with Polybrominated Biphenyl Poisoning. Patients with the condition only — healthy volunteers not accepted.

Results — posted to ClinicalTrials.gov

Per-arm endpoint measurements with 95% confidence intervals where reported. Source: trial results section.

Weight Primary · Enrollment, Month 3, Month 6

Participant weight, in kilograms, was measured in light clothing without shoes on a regularly calibrated digital scale.

Enrollment
GroupValue95% CI
Placebo91.3± 16.4
Orlistat Weight Loss Aid92.3± 17.8
Month 3 measured per protocol by study staff
GroupValue95% CI
Placebo88.6± 18.1
Orlistat Weight Loss Aid87.4± 15.9
Month 3 self-measured by participant
GroupValue95% CI
Placebo90.4± 14.1
Orlistat Weight Loss Aid93.2± 20.2
Month 6
GroupValue95% CI
Placebo89.2± 17.1
Orlistat Weight Loss Aid88.1± 17.7
Body Mass Index (BMI) Primary · Enrollment, Month 3, Month 6

Body Mass Index is a weight-to-height ratio, calculated by dividing one's weight in kilograms by the square of one's height in meters and used as an indicator of obesity and underweight. Participants had their weight measured in light clothing without shoes on a regularly calibrated digital scale. Height is measured using a well-mounted stadiometer.

Enrollment
GroupValue95% CI
Placebo32.3± 5.4
Orlistat Weight Loss Aid31.7± 5.0
Month 3 - BMI calculated with weight measured by study staff
GroupValue95% CI
Placebo31.5± 5.9
Orlistat Weight Loss Aid29.9± 4.1
Month 3 - BMI calculated with weight self-measured by participant
GroupValue95% CI
Placebo31.6± 5.6
Orlistat Weight Loss Aid32.3± 6.4
Month 6
GroupValue95% CI
Placebo31.4± 5.8
Orlistat Weight Loss Aid30.2± 5.0
Serum Concentration of Polybrominated Biphenyl (PBB) 153 Secondary · Enrollment, Month 3, Month 6

PBB is an organic bromine compound that is environmentally toxic and is classified as a persistent organic pollutant. PBB 153 concentration in serum is measured in nanograms per milliliter (ng/mL).

Enrollment
GroupValue95% CI
Placebo0.4540.156 – 1.711
Orlistat Weight Loss Aid0.2760.145 – 0.751
Month 3
GroupValue95% CI
Placebo0.3550.084 – 1.846
Orlistat Weight Loss Aid0.3950.201 – 0.801
Month 6
GroupValue95% CI
Placebo0.4810.121 – 1.510
Orlistat Weight Loss Aid0.2900.131 – 0.889
Serum Concentration of Polybrominated Diphenyl Ether (PBDE) 47 Secondary · Enrollment, Month 3, Month 6

PBDE is an organic bromine compound that is environmentally toxic and is classified as a persistent organic pollutant. PBDE 47 concentration in serum is measured in ng/mL.

Enrollment
GroupValue95% CI
Placebo0.0320.015 – 0.059
Orlistat Weight Loss Aid0.0280.016 – 0.053
Month 3
GroupValue95% CI
Placebo0.0340.015 – 0.057
Orlistat Weight Loss Aid0.0250.009 – 0.047
Month 6
GroupValue95% CI
Placebo0.0290.017 – 0.056
Orlistat Weight Loss Aid0.0250.012 – 0.047
Serum Concentration of Polychlorinated Biphenyl (PCB) 118 Secondary · Enrollment, Month 3, Month 6

PCB is an organic chlorine compound that is environmentally toxic and is classified as a persistent organic pollutant. PCB 118 concentration in serum is measured in ng/mL.

Enrollment
GroupValue95% CI
Placebo0.0350.021 – 0.056
Orlistat Weight Loss Aid0.0260.014 – 0.041
Month 3
GroupValue95% CI
Placebo0.0310.014 – 0.049
Orlistat Weight Loss Aid0.0240.014 – 0.044
Month 6
GroupValue95% CI
Placebo0.0280.020 – 0.042
Orlistat Weight Loss Aid0.0250.014 – 0.044
Serum Concentration of PCB 138 Secondary · Enrollment, Month 3, Month 6

PCB is an organic chlorine compound that is environmentally toxic and is classified as a persistent organic pollutant. PCB 138 concentration in serum is measured in ng/mL

Enrollment
GroupValue95% CI
Placebo0.0810.039 – 0.119
Orlistat Weight Loss Aid0.0640.040 – 0.111
Month 3
GroupValue95% CI
Placebo0.0700.030 – 0.109
Orlistat Weight Loss Aid0.0660.039 – 0.120
Month 6
GroupValue95% CI
Placebo0.0780.036 – 0.108
Orlistat Weight Loss Aid0.0640.042 – 0.129
Serum Concentration of PCB 153 Secondary · Enrollment, Month 3, Month 6

PCB is an organic chlorine compound that is environmentally toxic and is classified as a persistent organic pollutant. PCB 153 concentration in serum is measured in ng/mL.

Enrollment
GroupValue95% CI
Placebo0.1220.060 – 0.184
Orlistat Weight Loss Aid0.0960.062 – 0.166
Month 3
GroupValue95% CI
Placebo0.1000.039 – 0.185
Orlistat Weight Loss Aid0.1050.059 – 0.179
Month 6
GroupValue95% CI
Placebo0.1140.061 – 0.191
Orlistat Weight Loss Aid0.1050.064 – 0.178
Serum Concentration of PCB 180 Secondary · Enrollment, Month 3, Month 6

PCB is an organic chlorine compound that is environmentally toxic and is classified as a persistent organic pollutant. PCB 180 concentration in serum is measured in ng/mL

Enrollment
GroupValue95% CI
Placebo0.1160.064 – 0.188
Orlistat Weight Loss Aid0.1080.076 – 0.165
Month 3
GroupValue95% CI
Placebo0.1010.050 – 0.214
Orlistat Weight Loss Aid0.1140.074 – 0.177
Month 6
GroupValue95% CI
Placebo0.1120.060 – 0.190
Orlistat Weight Loss Aid0.1210.071 – 0.187
Serum Concentration of Dichlorodiphenyldichloroethylene (DDE) Secondary · Enrollment, Month 3, Month 6

DDE is a chemical produced by the breakdown of dichlorodiphenyltrichloroethane (DDT). High levels of DDE can impact lactation and increase the risk of preterm birth. DDE concentration in serum is measured in ng/mL.

Enrollment
GroupValue95% CI
Placebo0.5350.343 – 0.844
Orlistat Weight Loss Aid0.4900.336 – 0.686
Month 3
GroupValue95% CI
Placebo0.5390.305 – 1.005
Orlistat Weight Loss Aid0.4900.360 – 0.735
Month 6
GroupValue95% CI
Placebo0.5730.318 – 0.874
Orlistat Weight Loss Aid0.4980.359 – 0.768

Adverse events — posted to ClinicalTrials.gov

Time frame: Information on adverse events was collected beginning at the time individuals gave consent to participate in the study and continued through the 6 Month study visit.. Reporting threshold: 5%. Adverse-event reports describe events observed during the trial — not all are caused by the drug.

Placebo
Serious: 3/49 (6%)
Deaths: 0/49
Orlistat Weight Loss Aid
Serious: 0/51 (0%)
Deaths: 0/51

Serious adverse events (3 terms)

ReactionSystemPlaceboOrlistat Weight Loss Aid
Heart attackCardiac disorders
Hospitalization due to allergic reaction to an antibioticGeneral disorders
Abdominal pain; masses on ovary, liver, and kidney; endometriosisNeoplasms benign, malignant and unspecified (incl cysts and polyps)
Other adverse events (8 terms — click to expand)

ReactionSystemPlaceboOrlistat Weight Loss Aid
Diarrhea and frequent or oily bowel movementsGastrointestinal disorders
Cold/flu/respiratory symptomsInfections and infestations
HeadacheGeneral disorders
Stomach ache or gassyGastrointestinal disorders
DizzinessGeneral disorders
COVID-19Infections and infestations
FallsGeneral disorders
FatigueGeneral disorders

Most-reported serious reactions: Heart attack, Hospitalization due to allergic reaction to an antibiotic, Abdominal pain; masses on ovary, liver, and kidney; endometriosis.

Data from ClinicalTrials.gov NCT03582722 adverse events section.

Sponsor's own description

This study will explore whether the use of orlistat results in weight loss that is accompanied by a reduction in the body burdens of polybrominated biphenyls (PBB) and other Persistent Organic Pollutants (POPs).

Publications & conference data

No peer-reviewed publications indexed yet for this trial. Completed trials usually publish results within 12-18 months.

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Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing