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An Open Label Study to Examine the Effect of Coated Nifedipine Suppository on Anal Fissure Pain and Healing in Human Subjects

Information source: RDD Pharma Ltd
ClinicalTrials.gov processed this data on August 23, 2015
Link to the current ClinicalTrials.gov record.

Condition(s) targeted: Chronic Anal Fissure

Intervention: Nifedipine coated suppositories (Drug)

Phase: Phase 1/Phase 2

Status: Completed

Sponsored by: RDD Pharma Ltd

Summary

This is an open label study. The study will consist of 1 treatment group: coated Nifedipine suppository containing 12 mg of Nifedipine, administered BID to subjects with chronic anal fissure.

Clinical Details

Official title: An Open Label Study to Examine the Effect of Coated Nifedipine Suppository on Anal Fissure Pain and Healing in Human Subjects

Study design: Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment

Primary outcome:

To examine the effect of coated Nifedipine suppository on Anal fissure pain.

To examine the effect of coated Nifedipine suppository on Anal fissure healing.

Secondary outcome: To investigate the Safety and tolerability of coated Nifedipine suppositories in Anal Fissure patients.

Detailed description: This is an open label study. The study will consist of 1 treatment group: coated Nifedipine suppository containing 12 mg of Nifedipine. Approximately 20 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) 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). In addition to receiving study medication, subjects will be maintained on a standard treatment for Anal Fissure: sitz baths, high fiber diet.

Eligibility

Minimum age: 18 Years. Maximum age: 65 Years. Gender(s): Both.

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 nonlactating, 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 four 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

Locations and Contacts

Sapir Medical Center, Kfar Saba, Israel

Macabi HMO, Tel Aviv, Israel

Additional Information

Starting date: December 2009
Last updated: February 15, 2011

Page last updated: August 23, 2015

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