An Open Label Multi-Dose Study to Examine the Effect of Coated Nifedipine Suppository on Anal Fissure Pain and Healing

NCT ID: NCT02023047

Last Updated: 2015-11-17

Basic Information

• Recruitment Status: TERMINATED
• Clinical Phase: PHASE1/PHASE2
• Total Enrollment: 33 participants
• Study Classification: INTERVENTIONAL
• Study Start Date: 2014-03-31
• Study Completion Date: 2015-11-30

Brief Summary

This is an open label study. The study will consist of 2 treatment group: coated Nifedipine suppository containing 12 mg of Nifedipine applied twice daily (group 1) and coated Nifedipine suppository containing 12 mg of Nifedipine applied once daily (group 2). Approximately 30 subjects will participate into this 8-week study. The primary objective is to examine the dose effect of coated Nifedipine suppository on Anal fissure pain and healing.

Detailed Description

This is an open label study. The study will consist of 2 treatment group: coated Nifedipine suppository containing 12 mg of Nifedipine applied twice daily (group 1) and coated Nifedipine suppository containing 12 mg of Nifedipine applied once daily (group 2). Approximately 30 subjects will participate into this 8-week study. A screening visit will be used to determine subject suitability for inclusion in the trial. Within one week of the screening visit, subjects who meet all inclusion criteria and none of the exclusion criteria will receive Coated Nifedipine 12 mg Suppository X2 a day (BID) (24 mg/day total) OR Coated Nifedipine 12 mg Suppository X1 a day (OD) (12 mg/day total) for a period of 8 weeks. During this period, 4 study visits (at 0, 2, 5, and 8 weeks) will take place. Study medication will be administered BID (in the morning and in the evening) or OD (only in the morning). In addition to receiving study medication, subjects will be maintained on a standard treatment for Anal Fissure: sitz baths, high fiber diet.

Conditions

Anal Fissure

Study Design

• Allocation Method: NON_RANDOMIZED
• Intervention Model: PARALLEL
• Primary Study Purpose: TREATMENT
• Blinding Strategy: NONE

Study Groups

Once daily

Nifedipine 12 mg Once daily

Group Type: EXPERIMENTAL

Nifedipine 12 mg coated suppositories

Intervention Type: DRUG

Twice Daily

Nifedipine 12 mg twice daily

Group Type: EXPERIMENTAL

Nifedipine 12 mg coated suppositories

Intervention Type: DRUG

Interventions

Nifedipine 12 mg coated suppositories

Intervention Type: DRUG

Eligibility Criteria

Inclusion Criteria

• Single anal fissure
• Signed written informed consent;
• Male or female subjects 18 to 65 years of age;
• Has chronic anal fissure defined as history of anal pain at least three days a week for 30 days duration or more
• Visible fibers of the internal sphincter were seen at the base of the fissure or if a sentinel pile was present.
• VAS of > 35 mm in screening visit
• If female, is non-lactating, has a negative urine pregnancy test result, and does not plan on becoming pregnant during the study, or not of childbearing potential (hysterectomy or tubal ligation at least 6 months prior to entry to the study or post-menopausal for 1 year); if of childbearing potential (including peri-menopausal women who have had a menstrual period within one year) must practice or be willing to continue to practice appropriate birth control (such as implants, injectables, oral contraceptives, some intrauterine contraceptive devices, sexual abstinence, tubal ligation, or a vasectomized partner) during the entire study duration.

Exclusion Criteria

• Known allergy to Nifedipine, polyethylene-glycol, propylene Glycol or silicone.
• Fissure resulting from inflammatory bowel disease, venereal disease, perianal psoriasis, immunodeficiency syndrome.
• Anal abscess
• Fixed anal stenosis
• Active or past history of cardiovascular or cerebrovascular disease including unstable angina, myocardial infarction, transient ischemic attacks/stroke, clinically significant arrhythmia, moderate to severe congestive heart failure, or cardiac valve abnormalities;
• Type 1 diabetes mellitus;
• Insulin treated type 2 diabetes mellitus;
• History of Renal insufficiency.
• History of Liver insufficiency.
• Malignant disease within 5 years of screening;
• Has uncontrolled hypertension (sitting blood pressure <160/95 mmHg at screening)
• History of chronic gastrointestinal disease.
• History of rectal surgery.
• History of gastrointestinal surgery.
• History of HIV, hepatitis B, hepatitis C.
• In need of chronic use of medication, with the exception of birth control medications.
• Currently uses medication for acute illness (other than medications for use of treatment/pain relief of anal fissure).
• Has used, in the last two weeks, drugs that may affect blood coagulation, such as Aspirin at a dose higher than 500 mg/day , Warfarin, Sintrom, Enoxaparin, Nadroparin, Heparin, Clopidogrel, Ticlopidine.
• Is using drug that may affect rectal tone:
• Calcium Channel Blocker such as:

• Nifedipine (Osmo-Adlat, Pressolat, Nifedipine -Teva, Nifedilong)
• Amlodipine (Amlow, Norvasc, Amlodipine-Teva)
• Lercadipine (Vasodip)
• Verapamil (Ikacor, Ikapress, Verapress)
• Felodipine (Penedil)
• Diltiazem (Adizem, Dilatam)
• Nitrate donors such as:

• Glyceryl Trinitrate (Deponit)
• Isosorbid dinitrate (Isoket, Isolong)
• Isosrbid mononitrate (Monocord, Monolong, Mononit)
• Nitroglycerine (Nitrocine, Nitroderm, Nitrolingual)
• Has upon physical examination a rectal deformation or signs of rectal disease such as bleeding hemorrhoids, fistula. infection or space occupying lesion.
• Is an immediate family member of personnel directly affiliated with the study at the investigative site, or is personally directly affiliated with the study at the investigative site; or
• Is employed by RDD Pharma Ltd.

• Minimum Eligible Age: 18 Years
• Maximum Eligible Age: 65 Years
• Eligible Sex: ALL
• Accepts Healthy Volunteers: No

Sponsors

RDD Pharma Ltd

INDUSTRY

Sponsor Role: lead

Responsible Party

Responsibility Role: SPONSOR

Principal Investigators

Nir Barak, MD

Role: STUDY_DIRECTOR

RDD Pharma Ltd

Locations

Macabi outpatient clinic

Beersheba, Negev, Israel

Macabi HMO outpatient clinic

Tel Aviv, Tel Aviv, Israel

Macabi outpatient clinic

Rehovot, , Israel

Asaf Harofe Hospital

Zrifin, , Israel

Countries

Israel

Other Identifiers

RDD 112

Identifier Type: -

Identifier Source: org_study_id