Efficacy and Safety of ALT-801 in the Treatment of Obesity

NCT ID: NCT05295875

Last Updated: 2023-11-29

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

391 participants

Study Classification

INTERVENTIONAL

Study Start Date

2022-03-31

Study Completion Date

2023-09-28

Brief Summary

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This study will evaluate the efficacy and safety of ALT-801 once-weekly versus placebo as an adjunct to a reduced-calorie diet and increased physical activity in patients with obesity/overweight.

Detailed Description

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Conditions

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Obesity/Overweight

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Investigators

Study Groups

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ALT-801 Dose Level 1

Group Type EXPERIMENTAL

ALT-801

Intervention Type DRUG

Injected subcutaneously (SC)

ALT-801 Dose Level 2

Group Type EXPERIMENTAL

ALT-801

Intervention Type DRUG

Injected subcutaneously (SC)

ALT-801 Dose Level 3

Group Type EXPERIMENTAL

ALT-801

Intervention Type DRUG

Injected subcutaneously (SC)

Placebo

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type OTHER

Injected subcutaneously (SC)

Interventions

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ALT-801

Injected subcutaneously (SC)

Intervention Type DRUG

Placebo

Injected subcutaneously (SC)

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Written informed consent signed prior to entry into the study
* Male or female age 18 to 75 years, inclusive
* Body mass index (BMI) ≥ 30 kg/m2 or BMI ≥ 27 kg/m2 combined with at least one obesity-related comorbidity
* At least one unsuccessful weight loss attempt per investigator judgement
* Agreement to comply with the study-required life-style intervention and treatment during the full duration of the study
* Female subjects of childbearing potential who are not pregnant or breastfeeding, do not plan to become pregnant during the study, and agree to use effective birth control

Exclusion Criteria

* Weight gain or loss \> 5% in the 3 months prior to randomization or \>10% in the 6 months prior to screening
* Diabetes and related conditions:

1. History or clinical evidence of diabetes mellitus of any type, including Type 1, Type 2, or mature onset diabetes of the young (MODY)
2. HbA1c \> 6.5%, fasting glucose ≥ 126 mg/dL (6.9 mmol/L), and/or random glucose of ≥ 200 mg/dL (11.0mmol/L) at screening
* Obesity and related conditions:

1. Obesity induced by known genetic causes or endocrine disorders (eg, Cushing Syndrome, inadequately treated hypothyroidism, defined as thyroid-stimulating hormone \[TSH\] \> 6 mIU/L)
2. History of bariatric surgery or other surgical treatment for obesity (eg, gastric banding, gastric bypass), or planned surgery or surgical treatment during the study. Liposuction and/or abdominoplasty performed \>1 year before screening is allowed. Endoscopically placed intragastric balloons will be allowed if removed \> 1 year before screening.
* Gastrointestinal conditions:

1. History of acute or chronic pancreatitis within 1 year (365 days) before screening
2. History of or acute significant gastrointestinal (GI) disorder (eg, peptic ulcers, severe gastroesophageal reflux disease \[GERD\],
3. History of GI surgery, including cholecystectomy and antrectomy. Surgery for appendicitis and small bowel resection \>20cm is acceptable.
4. History of inflammatory bowel disease, celiac disease or any medical condition or surgery that could affect gastric emptying, stool frequency or stool consistency. (Irritable bowel syndrome is permitted provided that bowel frequency and consistency are normal off treatment.)
* Mental health conditions:

1. Untreated depressive disorder, defined as a Patient Health Questionaire-9 (PHQ-9) score of ≥ 15 at screening
2. Suicide ideation, defined as type 4 or 5 on the Columbia-Suicide Severity Rating Scale(C-SSRS) at screening, lifelong history of a suicide attempt, or suicidal behavior within 30 days before screening
3. Other severe psychiatric disorder (eg, schizophrenia, bipolar disorder)
Minimum Eligible Age

18 Years

Maximum Eligible Age

75 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Altimmune, Inc.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Sarah K Browne, MD

Role: STUDY_DIRECTOR

Altimmune, Inc.

Locations

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Altimmune CTM

Birmingham, Alabama, United States

Site Status

Altimmune CTM

Mesa, Arizona, United States

Site Status

Altimmune CTM

Los Angeles, California, United States

Site Status

National Research Institute

Los Angeles, California, United States

Site Status

Altimmune CTM

Montclair, California, United States

Site Status

Altimmune CTM

Santa Barbara, California, United States

Site Status

Altimmune CTM

Boca Raton, Florida, United States

Site Status

Altimmune CTM

Clearwater, Florida, United States

Site Status

Altimmune CTM

Fort Myers, Florida, United States

Site Status

Altimmune CTM

Jacksonville, Florida, United States

Site Status

Altimmune CTM

Port Orange, Florida, United States

Site Status

Altimmune CTM

Sunrise, Florida, United States

Site Status

Altimmune CTM

Savannah, Georgia, United States

Site Status

Altimmune CTM

Evanston, Illinois, United States

Site Status

Altimmune CTM

Indianapolis, Indiana, United States

Site Status

Midwest Institute for Clinical Research

Indianapolis, Indiana, United States

Site Status

Altimmune CTM

Louisville, Kentucky, United States

Site Status

Altimmune CTM

Baton Rouge, Louisiana, United States

Site Status

Altimmune CTM

New Orleans, Louisiana, United States

Site Status

Altimmune CTM

Kansas City, Missouri, United States

Site Status

Altimmune CTM

Butte, Montana, United States

Site Status

Altimmune CTM

Berlin, New Jersey, United States

Site Status

Altimmune CTM

New York, New York, United States

Site Status

Cornell University, Joan and Sanford Weill Medical College

New York, New York, United States

Site Status

Altimmune CTM

Cincinnati, Ohio, United States

Site Status

Altimmune CTM

Philadelphia, Pennsylvania, United States

Site Status

Altimmune CTM

Knoxville, Tennessee, United States

Site Status

Altimmune CTM

Austin, Texas, United States

Site Status

Altimmune CTM

Bellaire, Texas, United States

Site Status

Altimmune CTM

San Antonio, Texas, United States

Site Status

Altimmune CTM

St. George, Utah, United States

Site Status

Countries

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United States

Other Identifiers

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ALT-801-211

Identifier Type: -

Identifier Source: org_study_id