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Clinical Trial Details — Status: Active, not recruiting

Administrative data

NCT number NCT03609125
Other study ID # AOBologna
Secondary ID
Status Active, not recruiting
Phase N/A
First received
Last updated
Start date March 1, 2018
Est. completion date November 30, 2018

Study information

Verified date July 2018
Source Azienda Ospedaliera Universitaria di Bologna Policlinico S. Orsola Malpighi
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

A non-randomized, monocentric clinical study with a four month follow-up period , using a cord blood serum (CBS) eye drops in glaucoma patients. The purpose of the study analyzes whether the addition of CBS to hypotonic therapy is able to slow down the progression of anatomical and functional damage induced by glaucoma. The study evaluates the differences after two months of treatment as compared to baseline and after two-month from the end of the treatment.


Description:

The treatment of neuroprotection of degenerative ophthalmological diseases is currently proposed by administering products belonging to the category of food supplements (nutraceuticals containing amino acids and vitamins) or compounds of vegetable origin (Curcumin, flavonoids taken with food consumption of apples and oranges, LBP Polysaccharides from goji berries etc) or specific synthesis molecules (Memantine, Citicoline, Brimonidine, Omotaurina, Polyphenols).

The rationale for the use of eye drops prepared from the blood, and in particular Cord Blood Serum (CBS), as a source is mainly based on its content in growth factors (Growth factors, GF). with particular reference in neurotrophic GFs .

Enrollment of 10 patients with glaucoma and documented progressive retinal ganglion cells (RGC) dysfunction and degeneration was performed. The product to be administered was analyzed with respect to the levels of BDNF (Brain Derived Neurotrophic Factor), beta-NGF (Neural Growth Factor) , GDNF (Glial Derived Neuronal Factor), and EGF (Epidermal Growth Factor).

Functional, electro-physiological, and structural parameters were evaluated at baseline, after two months of treatment, and after two months from the end of the treatment.


Recruitment information / eligibility

Status Active, not recruiting
Enrollment 10
Est. completion date November 30, 2018
Est. primary completion date September 30, 2018
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria:

Patients must meet all of the following criteria to join the study (all eligibility criteria must be met at the screening and baseline visits unless otherwise noted):

1. Participant must be medically able to undergo the testing required in the schedule of visits

2. Participant's clinical diagnosis must be consistent with glaucoma, characterized by the following features:

1. Clinical evidence of progressive retinal ganglion cell (RGC) dysfunction and degeneration using both visual field and at least one structural modality as established by: i. Glaucomatous visual field abnormality. ii. Mean deviation (MD) of -3 to -15 dB. iii. Minimum average retinal nerve fiber layer (RNFL) thickness of 60 µm and maximum average RNFL of 90 µm.

2. Residual visual field preservation including best-corrected visual acuity (BCVA) better than 20/200 in both eyes.

3. Participant's glaucoma must be clinically stable, with intraocular pressure (IOP) < 21.

Exclusion Criteria:

1. Participant has other optic nerve or retinal degenerative disease causing vision loss, irrespective of whether it is currently treated or untreated.

2. Participant is blind in one eye;

3. Participant has optic nerve atrophy

4. Participant is receiving systemic steroids or immunosuppressive drugs, or is on chemotherapy

5. Participant has a history of ocular herpes zoster.

6. Participant has uveitis or other ocular inflammatory disease.

7. Participant has a requirement of acyclovir

8. Participant has evidence of corneal opacification or lack of optical clarity.

9. Participant has diabetic macular edema and/or diabetic retinopathy.

10. Participant has a history of malignancy

11. Participant is pregnant or lactating.

12. History of use of drugs with known retinal toxicity

Study Design


Intervention

Other:
CBS eyedrop
The product is dispensed as sterile frozen vials containing 0.8 ml of product for the daily administration. The product is thawed and administered at a dose of 1 drop / 8 times each eye during the waking period.

Locations

Country Name City State
Italy AOU Bologna, Ophthalmology Unit Bologna

Sponsors (2)

Lead Sponsor Collaborator
Azienda Ospedaliera Universitaria di Bologna Policlinico S. Orsola Malpighi University of Bologna

Country where clinical trial is conducted

Italy, 

Outcome

Type Measure Description Time frame Safety issue
Primary IOP (Intra ocular pressure) Change of IOP at baseline, after treatment , and after two months from the end of treatment baseline, after two months of treatment, after two months from end of treatment
Secondary BCVA (Best corrected visual acuity) The change in best corrected visual acuity (BCVA) through baseline, 2 and 4 months from end of treatment baseline, after two months of treatment, after two months from end of treatment
Secondary Visual Field Evaluation of change in visual field 24-2 and 10-2, through baseline, 2 and 4 months as assessed by any one of the following two indices:
Pattern Standard Deviation (PSD);
Mean Deviation (MD).
baseline, after two months of treatment, after two months from end of treatment
Secondary Fundus ophthalmoscopy Ophthalmoscopy of the following structures - Optic nerve - Choroid - Retina / Macula - Vitreous - Cup / Disco ratio performed by fundus oftlamoscopy baseline, after two months of treatment, after two months from end of treatment
Secondary Structural measure of retinal nerve fiber layer thickness The change in retinal nerve fiber layer thickness as measured by spectral domain optical coherence tomography (sdOCT). baseline, after two months of treatment, after two months from end of treatment
Secondary ERG (Electroretinogram) PERG: obtained with low temporal frequencies (maximum 4 hz equivalent to 8 inversions per second). Reversal rate: 2 hz (4 inversions / sec). Contrast: ceiling for white and black squares. Luminance: photopic. Wave width P50-N95 and wave latency P50.
Flash ERG: ERG 3.0 - maximal response in the eye adapted to the dark. Full-field stimulation with Ganzfeld's dome. Amplitude A1-B1 (the amplitude of the wave b is measured from the peak of the wave until to the peak of the wave b) - the latency of the wave b is measured by the flash lighting at the peak of the wave b
baseline, after two months of treatment, after two months from end of treatment
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