To Compare the Gastrointestinal Safety of a 14-Day Oral Dosing Regimen of ATB-346 to Sodium Naproxen in Healthy Subjects

NCT ID: NCT03291418

Last Updated: 2018-06-06

Basic Information

• Recruitment Status: COMPLETED
• Clinical Phase: PHASE1/PHASE2
• Total Enrollment: 258 participants
• Study Classification: INTERVENTIONAL
• Study Start Date: 2017-09-08
• Study Completion Date: 2018-04-30

Brief Summary

A Double-Blind, Controlled Study to Compare the Gastrointestinal Safety of a 14-Day Oral Dosing Regimen of ATB-346 to Sodium Naproxen in Healthy Subjects

Detailed Description

Healthy male and female subjects (n=240) are randomized into two dose groups of 120 subjects each. Gastroduodenal endoscopies are performed pre-dose and post-dose, i.e., after 14 days of either ATB-346 (250 mg once daily) or naproxen sodium (550 mg twice daily) and the incidence of gastric mucosal damage is recorded for comparison between the two treatment arms.

Conditions

Gastric Ulcer

Study Design

• Allocation Method: RANDOMIZED
• Intervention Model: PARALLEL
• Primary Study Purpose: PREVENTION
• Blinding Strategy: QUADRUPLE

Study Groups

ATB-346 OR Placebo

Intervention: Drug: ATB-346 dosed orally at 250 mg once daily for 14 days Intervention: Drug: Placebo (for ATB-346) dosed once daily for 14 days

Group Type: EXPERIMENTAL

ATB-346 OR Placebo

Intervention Type: DRUG

Comparison of gastrointestinal effects

Naproxen sodium

Intervention: Drug: naproxen sodium dosed orally at 550 mg twice daily for 14 days

Group Type: ACTIVE_COMPARATOR

Naproxen sodium

Intervention Type: DRUG

Comparison of gastrointestinal effects

Interventions

ATB-346 OR Placebo

Comparison of gastrointestinal effects

Intervention Type: DRUG

Naproxen sodium

Comparison of gastrointestinal effects

Intervention Type: DRUG

Other Intervention Names

Naprosyn

Eligibility Criteria

Inclusion Criteria

• 1. Adult subjects ≥18 to ≤65 years of age 2. Healthy subject with no history of significant gastrointestinal (GI) disease, arthritis or bleeding disorders 3. Subject with laboratory values within normal and acceptable ranges or out of range laboratory values deemed non-clinically significant, as per investigator discretion 4. BMI ≤35 kg/m2 5. Non-smoker for >1 month prior to screening 6. Subject able and willing to give written informed consent, and understand and adhere to protocol requirements 7. Female of childbearing potential using adequate birth control for at least 28 days prior to the first dose of the study drug and for 60 days after the last drug administration, as specified in one of the options below:

• Abstinence from heterosexual intercourse
• Contraception to include birth control pills, injectable/implant/transdermal patch
• Intrauterine device
• Cervical cap or diaphragm with use of spermicide
• Condom with spermicide Male subjects with female partners of childbearing potential must agree to abstain from sexual intercourse or use on the above forms of contraception for a period of 3 months following the last drug administration.

8. Female of non-childbearing potential who is either sterile (via complete hysterectomy, bilateral oophorectomy, or tubal ligation) or in a menopausal state for at least one year 9. Subject who consumes no more than 1 alcoholic serving/drink per day (e.g. 355 mL (12 fluid (fl) ounces (oz)) of regular beer; 148 mL (5 fl oz) of wine; 45 mL (1.5 fl oz) of distilled spirits) 10. Subject willing to refrain from alcohol consumption for 48 hours prior to the screening endoscopy and randomization, and 48 hours prior to the Day 14 endoscopy.

11. Screening endoscopy is free from any observable gastroduodenal erosions or ulcers, and no greater than 10 mucosal petechiae.

Exclusion Criteria

• 1. Subject with abnormal baseline laboratory values deemed to be clinically significant by the Investigator 2. Ongoing use of any prescription or over-the-counter medications, or natural/herbal or vitamin preparations, that in the opinion of the Investigator would interfere with the study objectives, or impact subject safety (with the exception of systemic contraceptives and hormone replacement therapy) 3. Use of investigational drugs up to thirty (30) days before screening 4. Use of the following medications within two weeks prior to randomization:

1. NSAIDs, Aspirin, aspirin-containing products or naproxen-containing medications, NSAID-containing products

2. Proton pump inhibitors

3. H-2 blockers

4. Anti-platelet agents

5. Anti-coagulants

6. Antimicrobials

7. Other gastroprotective agents such as antacids, misoprostol, or bismuth-containing products 5. Subject-reported past history of gastrointestinal ulcer or gastrointestinal bleeding, or any clinically significant gastrointestinal disease.

6. Positive for Helicobacter pylori urea breath test at the screening visit 7. Clinically significant gastrointestinal, hepatic or renal disease, or any other conditions known to significantly impact or interfere with absorption, distribution, metabolism or elimination of the investigational drug(s) 8. Clinically significant past or present diseases or illnesses that, in the opinion of the investigator, would interfere with the study objectives or integrity or with the subject's safety.

9. Subject with seated pulse rates <50 beats per minute (bpm) or >100 bpm at screening 10. Seated blood pressure <100/60 mm Hg or >140/90 mm Hg at screening 11. Known hypersensitivities to naproxen, other non-steroidal anti-inflammatory (NSAID) agents, related products (including excipients and formulations) 12. Known hypersensitivities to drugs used for sedation during endoscopy 13. Severe hypersensitivity (including angioedema) to any drugs 14. Use of medications with known drug-drug interactions including potent enzyme-modifying drugs, potent inhibitors and/or inducers of CYP enzymes (such as fluoxetine, barbiturates or St. John's Wort) in the previous thirty (30) days before randomization 15. Female who is pregnant or breastfeeding 16. Positive test for HIV antigen/antibody combination, hepatitis B surface antigen (HBsAg), or anti-Hepatitis C virus tests 17. Positive urine drug test at screening 18. Positive urine alcohol test prior to the screening endoscopy 19. Any clinically significant illness up to thirty (30) days before screening

• Minimum Eligible Age: 18 Years
• Maximum Eligible Age: 65 Years
• Eligible Sex: ALL
• Accepts Healthy Volunteers: Yes

Sponsors

Antibe Therapeutics Inc.

INDUSTRY

Sponsor Role: lead

Responsible Party

Responsibility Role: SPONSOR

Principal Investigators

Deepen Patel, MD

Role: PRINCIPAL_INVESTIGATOR

Topstone Clinical Research

Locations

Topstone Clinical Research

Toronto, Ontario, Canada

Countries

Canada

Other Identifiers

ATB-346-P2GIS

Identifier Type: -

Identifier Source: org_study_id