Double-Blind, Multi-Center, Randomized Study to Assess the Efficacy and Safety of Velneperit (S-2367) and Orlistat Administered Individually or Combined With a Reduced Calorie Diet (RCD) in Obese Subjects



Status:Completed
Conditions:Obesity Weight Loss
Therapuetic Areas:Endocrinology
Healthy:No
Age Range:18 - 65
Updated:5/11/2018
Start Date:April 2010
End Date:February 2011

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A Double-Blind, Multi-Center, Randomized, Parallel-Group Study to Assess the Efficacy and Safety of 400 mg of Velneperit (S-2367) and 120 mg of Orlistat Administered Individually or Combined Orally Three Times Per Day With a Reduced Calorie Diet (RCD) in Obese Subjects

To evaluate the weight loss effect and safety of 400 mg velneperit and 120 mg orlistat
administered individually or combined three times per day for 24 weeks while on a reduced
calorie diet (RCD) and also to evaluate the steady-state trough concentrations of velneperit
(S-2367), velneperit (S-2367) tert-butyl OH, and velneperit (S-2367) tert-butyl OH-O
glucuronide following 400 mg of velneperit (S-2367) three times per day and 120 mg of
orlistat, either combined or separate.


Inclusion Criteria:

- Males and females between 18 and 65 years of age at the time of informed consent

- Body mass index (BMI) of 30.0 to 45.0 kg/m2 inclusive. BMI for study inclusion must be
obtained from the Interactive Voice Response System/Web Response System (IVRS/WRS).
(Visit 1 body weight and height obtained prior to the single-blind period will be used
by the IVRS/WRS in the calculation.)

- Weight that has not fluctuated by more than 3% for the 90 days prior to Visit 1

- Non-smoker and no use of tobacco or nicotine products for at least 1 year prior to
Visit 1

- Normotensive or acceptable level of hypertension, defined as systolic <160 and
diastolic <95 mmHg

- No clinically significant laboratory abnormalities

- Negative urine drug screen for drugs of abuse

- No clinically significant findings on medical history, physical examination, and
electrocardiogram (ECG) and no known history of clinically significant ECG
abnormalities

- Negative serum pregnancy test in women of child-bearing potential (Females must be at
least one year post-partum.)

- Males either should remain abstinent, be sterile or agree to use an approved method of
contraception (which for males includes use of a condom with spermicide) Visit 1
through 12 weeks following the last dose, in addition to having a female partner use
an effective form of contraception as noted below

- All female subjects must be non-pregnant (confirmed by a negative serum pregnancy
test), have no plans of becoming pregnant during the study, and must be at least one
year post-partum, non-lactating, postmenopausal, (defined as cessation of regular
menstrual periods for at least one year and confirmed by a follicle-stimulating
hormone test), or surgically sterile by hysterectomy and/or bilateral oophorectomy or
tubal ligation. Females of child-bearing potential must agree to use acceptable forms
of birth control including oral, implantable or transdermal contraceptives; or use of
one of the following double-barrier methods: intrauterine device with spermicide,
diaphragm with spermicide, cervical cap with spermicide, female condom with
spermicide, or a male condom with spermicide by the male sexual partner

- Able to comply with all required study procedures and schedule

- Able to speak and read English

- Signed and dated informed consent form prior to any study-related procedures

Exclusion Criteria:

- Obesity of known endocrine or genetic origin (eg, hypothyroidism, Cushing's syndrome
or diagnosed polycystic ovarian syndrome) meeting one of the following conditions:

- Menstrual irregularity due to oligo- or anovulation

- Evidence of hyperandrogenism, whether clinical (hirsutism, acne, or male pattern
balding) or biochemical (high serum androgen concentrations)

- Exclusion of other causes of hyperandrogenism and menstrual irregularity, such as
congenital adrenal hyperplasia, androgen-secreting tumors, and
hyperprolactinemia]

- History of malignancy within the previous 5 years with the exception of non-melanoma
skin cancer or surgically cured cervical cancer

- Human immunodeficiency virus (HIV) identified by history or previous HIV test

- Any serious medical condition that, in the opinion of the Investigator, would limit
the subject's ability to complete and/or participate in this clinical study including
any clinically significant findings from medical history, physical examination,
12-lead ECG, and vital signs

- Known history or evidence of a psychiatric disorder that in the opinion of the
investigator would preclude the subject from participating in the trial. Stable or
controlled anxiety or depression are permitted. Treatment with an antidepressant or
anxiolytic drug is permitted if in accordance with Appendix 4. Subjects with a score
of 11 or higher on the depression portion of the Hospital Anxiety and Depression Scale
are excluded.

- Subjects with pancreatitis or chronic pancreatic inflammation

- History of Type 1 or Type 2 diabetes mellitus as defined by HbA1c > 6.5% or blood
glucose values of > 126 mg/dl or treated Type 2 diabetes mellitus

- Any weight gain during the single-blind lead-in period (Visit 1 and Visit 3)

- History of surgical or device (eg, gastric bypass) intervention for obesity surgery,
stomach banding surgery, or any other surgical procedure(s) that attempt to
promote/aid weight loss. Note: Liposuction will be allowed if done more than 90 days
prior to screening

- History of alcoholism or drug addiction/substance abuse within 1 year of Visit 1.
Note: No alcohol consumption is permitted within 48 hours prior to blood collections
for analysis of lipid profiles.

- Abnormal thyroid stimulating hormone level at screening

- Subjects with hypothyroidism

- Subjects with genetic hematologic disease or trait with or without manifestation of
disease.

- Use of chronic medications/products within 90 days prior to Visit 1 or during the
study that are known to cause weight gain. Investigators will discuss with the
Sponsor's Medical Monitor any concomitant medications about which they are uncertain.

- Use of systemic corticosteroids or Depo Provera®

- History of fenfluramine or dexfenfluramine (Fen-Phen) administration (except with a
prior documented echocardiogram showing no valvular abnormalities.)

- History of participation in any weight loss program within 90 days prior to Visit 1

- Participation in any weight loss medication/product study in which receipt of weight
loss medication/product occurred within 90 days prior to Visit 1

- Use of any prescription or nonprescription over the counter medication/product or
herbal/phytotherapeutic/plant-derived medications/products for weight loss, appetite
suppression, weight control or treat obesity (includes investigational products)
within 90 days prior to Visit 1 or during the study

- Subjects with cholestasis or chronic malabsorption

- Donation of blood or blood products 90 days prior to Visit 1 or during the study

- Exposure to an investigative medication within the past 30 days or 5 half-lives,
whichever is longer or concurrent participation in any clinical trial

- Previous velneperit (S-2367) or other neuropeptide Y (NPY) Y5 agonist or antagonist
use

- Any acute or chronic condition that, in the opinion of the Investigator, would limit
the subject's ability to complete and/or participate in this clinical study

- Positive Hepatitis B or C serology
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