- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01033422
Safety and Efficacy of Daily CF101 Administered Orally in Subjects With Elevated Intraocular Pressure
A Phase 2, Randomized, Double-Masked, Placebo-Controlled, Parallel-Group Study of the Safety and Efficacy of Daily CF101 Administered Orally in Subjects With Elevated Intraocular Pressure
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
This is a Phase 2, randomized, double-masked, placebo-controlled, parallel-group study in adult males and females, aged 18 years and over, with a diagnosis of glaucoma or ocular hypertension.
This trial will be performed in 2 segments. In Segment 1, subjects will be randomized to receive either CF101 1.0 mg, or matching placebo, given orally every 12 hours for 16 weeks. Segment 1 will enroll approximately 44 subjects, randomized in a 3:1 ratio to CF101 1.0 mg or to placebo. At the conclusion of Segment 1, a Data Review Committee (DRC) will review safety and efficacy data and advise on progression of the trial to Segment 2. Segment 2 will enroll up to approximately 44 subjects randomized in a 3:1 ratio to CF101 2.0 mg 3:1 ratio to receive with CF101 2.0 mg, or matching placebo, given orally every 12 hours for 16 weeks.
At a Screening Visit (Visit 1, performed within 4 weeks prior to Baseline), subjects who provide written informed consent will have screening procedures performed, including complete medical, ophthalmologic, and medication histories; physical examination; vital signs and weight; electrocardiogram (ECG); ophthalmologic examination; tonometry; visual field (VF) assessment; corneal pachymetry; evaluation of inclusion and exclusion criteria; safety laboratory tests; serum pregnancy test for all females of child-bearing potential; and collection of concomitant medication information.
Subjects who successfully qualify will be randomized at Baseline (Visit 2) to their assigned medication (CF101 or matching placebo) to be taken orally every 12 hours for 16 weeks. Subjects will return for assessments and a new supply of study medication at Weeks 2, 4, 8, 12, and for final assessment and discharge at Week 16. A safety telephone call will be made at Week 18.
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Male or female, 18 years of age and over;
Ocular hypertension or open-angle glaucoma in at least 1 eye, diagnosed as any of the following:
- Untreated ocular hypertension without glaucomatous anatomic or VF changes; or
- Glaucoma diagnosed within the past 2 months but untreated;
- Previously treated glaucoma, provided that previous medication treatment has been inefficacious and/or intolerable, and has therefore been discontinued at least 3 weeks prior to Baseline; or
- Currently treated glaucoma with inadequate IOP control, meaning that IOP remains above target pressure as judged by the Investigator despite ≥3 weeks of treatment with a standard topical regimen (for guidance, the European Glaucoma Society defines "target pressure" as follows: "In most cases a peak IOP = 8 mm - 15 mmHg on a diurnal curve, or 30% IOP reduction from baseline");
- In subjects receiving a standard topical treatment regimen (per 2.d. above), the regimen and dose have not changed within 3 weeks of Screening, and are expected to remain stable throughout the treatment period;
- At both Screening and Baseline, IOP in at least 1 eye ("candidate" eye) is >21 mmHg at 0800-1000 hours and >21 mmHg in at least 1 measurement at least 3 hours following the first;
- Corneal thickness between 500 and 580 microns in both eyes;
- Corrected visual acuity +0.18 logMAR or better by Early Treatment Diabetic Retinopathy Study (ETDRS) methodology in the candidate eye (equivalent to 20/30);
- Females of child-bearing potential must have a negative urine pregnancy test at screening and throughout the study, to be eligible for, and continue participation in, the study;
- Females of child-bearing potential must be willing to use 2 methods of contraception deemed adequate by the Investigator (eg, oral contraceptive pills plus a barrier method) to be eligible for, and continue participation in, the study;
- Ability to complete the study in compliance with the protocol; and
- Ability to understand and provide written informed consent.
Exclusion Criteria:
- IOP >32 mmHg in either eye;
- History of angle-closure glaucoma;
- Anatomically narrow angles in either eye (ie, ≥75% of the circumference of the angle must be ≥Grade 2 by Shaffer criteria );
In subjects with glaucoma, advanced VF defect in either eye, determined on reliable testing using the Humphrey Full-Threshold Algorithm for the Glaucoma Hemifield Test, defined as either:
- Mean deviation worse than -16 dB, or
- Threat to fixation (sensitivity 10 dB or worse affecting either or both test points closest to the point of fixation in the upper hemifield and at either or both the corresponding test points in the lower hemifield);
- In subjects with ocular hypertension, a score of >12 points on The Ocular Hypertension Treatment Study Group and European Glaucoma Prevention Study Group Primary Open-Angle Glaucoma Risk Table;
- Documented disc hemorrhage within the past 5 years in either eye;
- Secondary cause of IOP elevation;
- Glaucoma laser treatment in candidate eye within the past 3 months;
- Clinically significant ocular trauma to candidate eye within the past 6 months;
- Any major ocular surgery in the past, including keratorefractive surgery, in candidate eye, except for uncomplicated cataract surgery performed greater than 6 months prior to Screening;
- Astigmatism >3 diopters in either eye;
- Clinically significant acute or chronic ocular disease (eg, corneal edema, uveitis, severe keratoconjunctivitis sicca, active ocular infection, active herpes simplex keratitis, blepharitis, or acute conjunctivitis) that might interfere with the study;
- Concomitant contact lens use;
- Concomitant use of systemic medication that may affect IOP (eg, beta blockers, corticosteroids, calcium channel blockers, ACE inhibitors, or carbonic anhydrase inhibitors); however, systemic antihypertensive medications are allowed providing that the dose and regimen have been stable for at least 3 months prior to Screening and are expected to remain stable throughout the trial;
- Any abnormality preventing reliable applanation tonometry;
- Presence of uncontrolled asthma;
- Presence of uncontrolled arterial hypertension or symptomatic hypotension;
- Significant cardiac arrhythmia or conduction block, congestive heart failure (New York Heart Association Class 3-4), or any other evidence of clinically significant heart disease or clinically significant findings on screening ECG;
- Hemoglobin level <9.0 gm/L, at screening;
- Platelet count <125,000/mm3, at screening;
- White blood cell count <3500/mm3, at screening;
- Serum creatinine level greater than 1.5 times the laboratory's upper limit of normal (ULN), at screening;
- Liver aminotransferase levels greater than 2 times the laboratory's ULN, at screening;
- Known or suspected immunodeficiency or human immunodeficiency virus positivity;
- Known infection with hepatitis B or C;
- Pregnancy, planned pregnancy, lactation, or inadequate contraception as judged by the Investigator;
- Previous receipt of CF101;
- History of malignancy within the past 5 years (excluding basal cell carcinoma of the skin and ≤3 cutaneous squamous cell carcinomas, all of which have been completely excised);
- Active drug or alcohol dependence;
- Significant acute or chronic medical, ophthalmic, neurologic, or psychiatric illness that, in the judgment of the Investigator, could compromise subject safety, limit the subject's ability to complete the study, and/or compromise the objectives of the study;
- Participation in another investigational drug or vaccine trial concurrently or within 30 days; or
- Other conditions which would confound the study evaluations or endanger the safety of the subject.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: CF101 1mg
CF101 1mg orally q12 hours
|
CF101 1 or 2 mg tablets orally every 12 hours for 16 weeks
Other Names:
|
Placebo Comparator: Placebo
matching placebo orally q12 hours
|
Matching placebo tablets orally every 12 hours for 16 weeks
Other Names:
|
Experimental: CF101 2mg
CF101 2mg orally q12 hours
|
CF101 1 or 2 mg tablets orally every 12 hours for 16 weeks
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Intraocular Pressure in mmHg
Time Frame: 16 weeks
|
The mean of the IOP measurements obtained at week 16
|
16 weeks
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Safety of CF 101
Time Frame: 16 weeks
|
To tabulate and enter the frequency (number) of adverse events during the treatment period of CF 101, by treatment arm.
|
16 weeks
|
Collaborators and Investigators
Sponsor
Investigators
- Study Director: Michael H Silverman, MD, Can-Fite BioPharma
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- CF101-231GL
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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