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A Phase 3, Double-blind/Double-dummy, Safety/Efficacy/Superiority of Sibutramine/Topiramate XR in Adults With Overweight (UNLIMITED)

Primary Purpose

Overweight, Obesity

Status
Not yet recruiting
Phase
Phase 3
Locations
Brazil
Study Type
Interventional
Intervention
ADF1 Group Eurofarma drug association of Sibutramine IR 15mg / Topiramate XR 75mg
ADF2 Group Eurofarma drug association of Sibutramine IR 15mg / Topiramate XR 100mg
SIB Group Sibus (Sibutramine) 15mg
Placebo Group
Sponsored by
Eurofarma Laboratorios S.A.
About
Eligibility
Locations
Arms
Outcomes
Full info

About this trial

This is an interventional treatment trial for Overweight

Eligibility Criteria

18 Years - 60 Years (Adult)All SexesDoes not accept healthy volunteers

Inclusion Criteria:

  1. Male or female volunteers aged between 18 and 60 years (inclusive);
  2. BMI ≥ 27kg/m2 and < 45kg/m2. Patients with a BMI ≥ 27kg/m2 and < 30kg/m2 must have at least one of the following comorbidities to be included in the study: dyslipidemia, systemic arterial hypertension (SAH), pre-diabetes (fasting glucose ≥ 100mg/dL and < 126 mg/dL and/or HbA1c ≥ 5.7% and < 6.5%] and/or sleep apnea (confirmed by polysomnography performed up to three months before enrollment in the study);
  3. Women of childbearing age must use adequate contraceptive methods;
  4. Volunteers willing and able to comply with all aspects of the protocol;
  5. Signing the Informed Consent Form (ICF) before performing any study procedure.

Exclusion Criteria:

  1. Participation in a lifestyle change program within the three months prior to the start of the study;
  2. Treatment with drugs (prescription or over-the-counter) or alternative drugs intended to promote weight loss within the three months prior to the start of the study. These medications include, among others: liraglutide, orlistat, sibutramine, topiramate, naltrexone, bupropion, sertraline, fluoxetine, duloxetine. Note: The use of metformin or other hypoglycemic drugs prescribed for the treatment of polycystic ovary syndrome or prevention of diabetes is not permitted;
  3. Treatment with drugs known to cause significant weight gain within three months of starting the study. These medications include, among others: corticosteroids, tricyclic antidepressants, atypical antipsychotics, and mood stabilizers (such as imipramine, amitriptyline, mirtazapine, paroxetine, phenelzine, chlorpromazine, thioridazine, clozapine, olanzapine, valproic acid and its derivatives, lithium).
  4. Presence of diabetes mellitus;
  5. History of coronary artery disease (angina, history of myocardial infarction);
  6. Congestive heart failure;
  7. History of tachycardia;
  8. History of peripheral obstructive arterial disease;
  9. History of arrhythmia;
  10. History of cerebrovascular disease (stroke or transient ischemic attack);
  11. Inadequately controlled systemic arterial hypertension (> 145/90 mmHg);
  12. History or active pulmonary arterial hypertension;
  13. History or presence of eating disorders such as bulimia and anorexia;
  14. Moderate or severe renal impairment (estimated creatinine clearance < 70 mL/min);
  15. Hepatic failure Child-Pugh categories B or C (Child-Pugh scale score ≥ 7 points);
  16. Current use of monoamine oxidase inhibitors (MAOIs) or any other drug treatment for psychiatric disorders;
  17. History of psychiatric disorder requiring previous drug treatment;
  18. Glaucoma or high intraocular pressure;
  19. Unstable thyroid disease or replacement therapy;
  20. Hypersensitivity to sibutramine, topiramate, or to any component of the investigational product formulation;
  21. Known hypersensitivity to any component of the investigational drug formulation;
  22. Urinary lithiasis;
  23. Pregnancy or lactation;
  24. Any medical or other condition that, in the opinion of the investigator(s), prevents the participant from participating in the clinical trial, such as significantly abnormal laboratory results or any physical or mental condition that prevents compliance with the protocol.

Sites / Locations

  • HC-FMUSP
  • Eurofarma Laboratórios S.A

Arms of the Study

Arm 1

Arm 2

Arm 3

Arm 4

Arm Type

Experimental

Experimental

Active Comparator

Placebo Comparator

Arm Label

Experimental drug (Sibutramine IR 15mg / Topiramate XR 75mg)

Experimental drug (Sibutramine IR 15mg / Topiramate XR 100mg)

Sibus (Sibutramine 15mg)

Placebo Group

Arm Description

ADF1 Group Eurofarma drug association of sibutramine IR 15mg / topiramate XR 75mg

ADF2 Group Eurofarma drug association of sibutramine IR 15mg (Sibus®) Topiramate XR 100mg from Eurofarma Laboratórios S.A..

SIB Group Sibutramine 15mg

Placebo Group

Outcomes

Primary Outcome Measures

Change in weight
The difference in mean percent body weight loss between the ADF sibutramine IR/topiramate XR group and the placebo-treated group is ≥5% in favor of ADF.
The mean percentage loss of body weight
The mean percentage loss of body weight in the ADF sibutramine IR/topiramate XR group was greater than that observed in the group treated with sibutramine IR

Secondary Outcome Measures

Proportion of participants with weight reduction ≥ 5%
Proportion of participants with weight reduction ≥ 5% at the end of treatment in relation to baseline weight;
Proportion of participants with weight reduction ≥ 10%
Proportion of participants with weight reduction ≥ 10% at the end of treatment in relation to baseline weight
Proportion of participants with weight reduction ≥ 15%
Proportion of participants with weight reduction ≥ 15% at the end of treatment in relation to baseline weight;
Abdominal circumference
The measurement of abdominal circumference

Full Information

First Posted
January 14, 2022
Last Updated
May 4, 2023
Sponsor
Eurofarma Laboratorios S.A.
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1. Study Identification

Unique Protocol Identification Number
NCT05209984
Brief Title
A Phase 3, Double-blind/Double-dummy, Safety/Efficacy/Superiority of Sibutramine/Topiramate XR in Adults With Overweight
Acronym
UNLIMITED
Official Title
A Phase 3, Randomized, Double-blind, Double-dummy, Parallel-group, Active Drug and Placebo-controlled, Safety, Efficacy and Superiority of Sibutramine IR/Topiramate XR in Overweight Adults With Comorbidities/Obesity
Study Type
Interventional

2. Study Status

Record Verification Date
October 2022
Overall Recruitment Status
Not yet recruiting
Study Start Date
June 30, 2024 (Anticipated)
Primary Completion Date
November 30, 2026 (Anticipated)
Study Completion Date
May 30, 2027 (Anticipated)

3. Sponsor/Collaborators

Responsible Party, by Official Title
Sponsor
Name of the Sponsor
Eurofarma Laboratorios S.A.

4. Oversight

Studies a U.S. FDA-regulated Drug Product
No
Studies a U.S. FDA-regulated Device Product
No
Data Monitoring Committee
No

5. Study Description

Brief Summary
A phase 3, multicenter, randomized, double-blind, double-dummy, parallel-group, active-drug- and placebo-controlled clinical trial to assess the safety, efficacy and superiority of the new fixed-dose combination sibutramine IR/topyramat XR in weight reduction in overweight adults with comorbidity(ies) or obesity
Detailed Description
A phase 3, multicenter, national, randomized, double-blind, double-dummy, parallel-group, active-drug and placebo-controlled, superiority clinical trial. Individuals of both sexes aged ≥18 years and ≤60 years, overweight (BMI ≥ 27kg/m2) in the presence of comorbidities (dyslipidemia, systemic arterial hypertension [SAH], pre-diabetes and/or sleep apnea) or obese (BMI ≥ 30kg/m2 and < 45kg/m2).

6. Conditions and Keywords

Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Overweight, Obesity

7. Study Design

Primary Purpose
Treatment
Study Phase
Phase 3
Interventional Study Model
Parallel Assignment
Masking
ParticipantCare ProviderInvestigatorOutcomes Assessor
Allocation
Randomized
Enrollment
1855 (Anticipated)

8. Arms, Groups, and Interventions

Arm Title
Experimental drug (Sibutramine IR 15mg / Topiramate XR 75mg)
Arm Type
Experimental
Arm Description
ADF1 Group Eurofarma drug association of sibutramine IR 15mg / topiramate XR 75mg
Arm Title
Experimental drug (Sibutramine IR 15mg / Topiramate XR 100mg)
Arm Type
Experimental
Arm Description
ADF2 Group Eurofarma drug association of sibutramine IR 15mg (Sibus®) Topiramate XR 100mg from Eurofarma Laboratórios S.A..
Arm Title
Sibus (Sibutramine 15mg)
Arm Type
Active Comparator
Arm Description
SIB Group Sibutramine 15mg
Arm Title
Placebo Group
Arm Type
Placebo Comparator
Arm Description
Placebo Group
Intervention Type
Drug
Intervention Name(s)
ADF1 Group Eurofarma drug association of Sibutramine IR 15mg / Topiramate XR 75mg
Other Intervention Name(s)
EF178 15/75mg
Intervention Description
Participant will receive for two (2) weeks one (01) ADF sibutramine IR/topiramate XR 5mg/25mg placebo capsule once daily + one (01) sibutramine placebo capsule 10mg; after that 2 weeks, participants will receive one (01) placebo capsule of ADF sibutramine IR/ topiramate XR 5mg/25mg once daily + one (01) capsule of ADF sibutramine IR/ topiramate XR 5mg/25mg once daily + one (01) 10mg sibutramine placebo capsule; after this period, they will receive two (02) capsules of ADF sibutramine IR/topiramate XR 5mg/25mg (totaling 10mg of sibutramine and 50mg of topiramate) + a placebo capsule of ADF sibutramine IR/topiramate XR 5mg/25mg once a day + one (one) 10mg sibutramine placebo capsule, taken once daily, for two (02) additional weeks, on the titration scheme. On the treatment period, will receive one (01) ADF Sibutramine IR/Topiramate XR 15mg/75mg capsule + one (01) Sibutramine IR 15mg placebo capsule (Sibus®) + one (01) Topiramate XR 100mg placebo capsule, once daily, for 52 weeks.
Intervention Type
Drug
Intervention Name(s)
ADF2 Group Eurofarma drug association of Sibutramine IR 15mg / Topiramate XR 100mg
Other Intervention Name(s)
EF178 15/100mg
Intervention Description
Participant will receive for two (02) weeks one (01) capsule of ADF sibutramine IR/topiramate XR 5mg/25mg once daily + one (01) capsule of placebo sibutramine 10mg; after this initial period of 2 weeks, participants will receive (02) ADF sibutramine IR/topiramate XR 5mg/25mg capsules (totaling 10mg of sibutramine and 50mg of topiramate) + one (01) 10mg sibutramine placebo capsule, taken once daily, for two (02) weeks; after this period, they will receive three (03) capsules of ADF sibutramine IR/topiramate XR 5mg/25mg (totaling 15mg of sibutramine and 75mg of topiramate) + one (01) capsule of 10mg sibutramine placebo, taken once daily, for two ( 02) additional weeks, on titration scheme. On the treatment period, will receive one (01) Sibutramine IR 15mg capsule (Sibus®) + one (01) Topiramate XR 100mg capsule + one (01) ADF placebo capsule sibutramine IR/topiramate XR 15mg/75mg, taken once daily, taken once daily, for 52 weeks.
Intervention Type
Drug
Intervention Name(s)
SIB Group Sibus (Sibutramine) 15mg
Other Intervention Name(s)
Sibutramine 15mg
Intervention Description
Participant will receive for two (02) weeks one (01) 10mg sibutramine placebo capsule + one (01) 5mg/25mg sibutramine ADF placebo capsule IR/topiramate XR; after this initial period, they will receive for two (02) weeks one (01) 10mg sibutramine capsule + two (02) placebo capsules of ADF sibutramine IR/topiramate XR 5mg/25mg; after this 4-week period, participants will receive one (01) 10mg sibutramine capsule and three (03) ADF sibutramine IR/topiramate XR 5mg/25mg placebo capsules, taken once daily, for two (02) additional weeks. This corresponds to the titration scheme.On the treatment period, patient will receive one (01) Sibutramine 15mg capsule + one (01) Sibutramine IR/topiramate XR 15mg/75mg placebo capsule + one (01) placebo capsule of Topiramate XR 100mg, taken once daily, for 52 weeks.
Intervention Type
Drug
Intervention Name(s)
Placebo Group
Other Intervention Name(s)
Ef178 Placebo
Intervention Description
participants randomized to the Placebo Group will receive for two (02) weeks one (01) 10mg sibutramine placebo capsule + one (01) sibutramine IR/ topiramate XR 5mg/25mg placebo capsule; after this initial period, they will receive one (01) sibutramine 10mg placebo capsule + two (02) sibutramine IR/ topiramate XR 5mg/25mg placebo capsules, taken once daily, for two (02) weeks; after this 4-week period, participants will receive one (01) 10mg sibutramine placebo capsule + three (03) ADF placebo capsules, taken once daily, for two (02) weeks.On the treatment period, patient will receive one (01) Sibutramine 15mg placebo capsule + one (01) ADF sibutramine IR/Topiramate XR 15mg/75mg placebo capsule + one (01) Topiramate XR 100mg placebo capsule, in once daily intake for 52 weeks.
Primary Outcome Measure Information:
Title
Change in weight
Description
The difference in mean percent body weight loss between the ADF sibutramine IR/topiramate XR group and the placebo-treated group is ≥5% in favor of ADF.
Time Frame
58 weeks
Title
The mean percentage loss of body weight
Description
The mean percentage loss of body weight in the ADF sibutramine IR/topiramate XR group was greater than that observed in the group treated with sibutramine IR
Time Frame
58 weeks
Secondary Outcome Measure Information:
Title
Proportion of participants with weight reduction ≥ 5%
Description
Proportion of participants with weight reduction ≥ 5% at the end of treatment in relation to baseline weight;
Time Frame
58 weeks
Title
Proportion of participants with weight reduction ≥ 10%
Description
Proportion of participants with weight reduction ≥ 10% at the end of treatment in relation to baseline weight
Time Frame
58 weeks
Title
Proportion of participants with weight reduction ≥ 15%
Description
Proportion of participants with weight reduction ≥ 15% at the end of treatment in relation to baseline weight;
Time Frame
58 weeks
Title
Abdominal circumference
Description
The measurement of abdominal circumference
Time Frame
58 weeks

10. Eligibility

Sex
All
Minimum Age & Unit of Time
18 Years
Maximum Age & Unit of Time
60 Years
Accepts Healthy Volunteers
No
Eligibility Criteria
Inclusion Criteria: Male or female volunteers aged between 18 and 60 years (inclusive); BMI ≥ 27kg/m2 and < 45kg/m2. Patients with a BMI ≥ 27kg/m2 and < 30kg/m2 must have at least one of the following comorbidities to be included in the study: dyslipidemia, systemic arterial hypertension (SAH), pre-diabetes (fasting glucose ≥ 100mg/dL and < 126 mg/dL and/or HbA1c ≥ 5.7% and < 6.5%] and/or sleep apnea (confirmed by polysomnography performed up to three months before enrollment in the study); Women of childbearing age must use adequate contraceptive methods; Volunteers willing and able to comply with all aspects of the protocol; Signing the Informed Consent Form (ICF) before performing any study procedure. Exclusion Criteria: Participation in a lifestyle change program within the three months prior to the start of the study; Treatment with drugs (prescription or over-the-counter) or alternative drugs intended to promote weight loss within the three months prior to the start of the study. These medications include, among others: liraglutide, orlistat, sibutramine, topiramate, naltrexone, bupropion, sertraline, fluoxetine, duloxetine. Note: The use of metformin or other hypoglycemic drugs prescribed for the treatment of polycystic ovary syndrome or prevention of diabetes is not permitted; Treatment with drugs known to cause significant weight gain within three months of starting the study. These medications include, among others: corticosteroids, tricyclic antidepressants, atypical antipsychotics, and mood stabilizers (such as imipramine, amitriptyline, mirtazapine, paroxetine, phenelzine, chlorpromazine, thioridazine, clozapine, olanzapine, valproic acid and its derivatives, lithium). Presence of diabetes mellitus; History of coronary artery disease (angina, history of myocardial infarction); Congestive heart failure; History of tachycardia; History of peripheral obstructive arterial disease; History of arrhythmia; History of cerebrovascular disease (stroke or transient ischemic attack); Inadequately controlled systemic arterial hypertension (> 145/90 mmHg); History or active pulmonary arterial hypertension; History or presence of eating disorders such as bulimia and anorexia; Moderate or severe renal impairment (estimated creatinine clearance < 70 mL/min); Hepatic failure Child-Pugh categories B or C (Child-Pugh scale score ≥ 7 points); Current use of monoamine oxidase inhibitors (MAOIs) or any other drug treatment for psychiatric disorders; History of psychiatric disorder requiring previous drug treatment; Glaucoma or high intraocular pressure; Unstable thyroid disease or replacement therapy; Hypersensitivity to sibutramine, topiramate, or to any component of the investigational product formulation; Known hypersensitivity to any component of the investigational drug formulation; Urinary lithiasis; Pregnancy or lactation; Any medical or other condition that, in the opinion of the investigator(s), prevents the participant from participating in the clinical trial, such as significantly abnormal laboratory results or any physical or mental condition that prevents compliance with the protocol.
Central Contact Person:
First Name & Middle Initial & Last Name or Official Title & Degree
Edilene Macedo, Analyst
Phone
5511 5090-8422
Email
edilene.macedo@eurofarma.com
First Name & Middle Initial & Last Name or Official Title & Degree
Natalia Gianni, Analyst
Phone
41449500
Email
natalia.gianni@eurofarma.com
Facility Information:
Facility Name
HC-FMUSP
City
São Paulo
State/Province
SP
Country
Brazil
Facility Contact:
First Name & Middle Initial & Last Name & Degree
Márcio Mancini, Dr.
Facility Name
Eurofarma Laboratórios S.A
City
São Paulo
ZIP/Postal Code
06696-000
Country
Brazil
Facility Contact:
First Name & Middle Initial & Last Name & Degree
Edilene Macedo
Phone
55 11 50908600
Ext
8422
Email
edilene.macedo@eurofarma.com

12. IPD Sharing Statement

Learn more about this trial

A Phase 3, Double-blind/Double-dummy, Safety/Efficacy/Superiority of Sibutramine/Topiramate XR in Adults With Overweight

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