NCT02609165

Brief Summary

This study aims at investigating the therapeutic potential of recombinant human Nerve Growth Factor ( rhNGF ) eye drops treatment in patients with Retinitis Pigmentosa (RP) associated with cystoid macular edema (CME) in a phase II, randomized, double-masked, controlled clinical trial.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
45

participants targeted

Target at P25-P50 for phase_2

Timeline
Completed

Started May 2015

Geographic Reach
1 country

2 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

May 1, 2015

Completed
5 months until next milestone

First Submitted

Initial submission to the registry

October 12, 2015

Completed
1 month until next milestone

First Posted

Study publicly available on registry

November 20, 2015

Completed
1.2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 1, 2017

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

February 1, 2017

Completed
Last Updated

September 6, 2017

Status Verified

September 1, 2017

Enrollment Period

1.8 years

First QC Date

October 12, 2015

Last Update Submit

September 2, 2017

Conditions

Outcome Measures

Primary Outcomes (1)

  • macular thickness

    assessed by ocular coherence tomography (OCT)

    28 days of treatment

Secondary Outcomes (10)

  • visual field

    28 days of treatment, 1 month, 6 months and 12 months of follow-up

  • macular photoreceptors thickness

    28 days of treatment, 1 month,3 months, 6 months and 12 months of follow-up

  • macular thickness

    1 month,3 months, 6 months and 12 months of follow-up

  • electroretinogram (ERG)

    28 days of treatment, 1 month, 6 months and 12 months of follow-up

  • visual acuity

    28 days of treatment,1 month,3 months, 6 months and 12 months of follow-up

  • +5 more secondary outcomes

Study Arms (2)

study group

ACTIVE COMPARATOR

rhNGF 180 µg/ml eye drops solution

Drug: rhNGF 180 µg/ml eye drops solution

control group

PLACEBO COMPARATOR

vehicle eye drops solution

Drug: vehicle eye drops

Interventions

eye drops

Also known as: recombinant human Nerve Growth Factor
study group

placebo

Also known as: vehicle eye drop solution
control group

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Typical and atypical forms of retinitis pigmentosa (RP)
  • Measurable ERG with a significant decrease in the amplitude .
  • Reduction of the visual field (assessed with Humphrey field analyzer- HFA 24-2) and values of mean deviation\> -3 decibel (dB).
  • RP associated with CME documented by OCT (macular thickness greater than 250 uM) present for at least three months and not in treatment for at least one month;
  • Best corrected visual acuity (BCVA) between 20/100 (2/10 or 0.1 logMAR) and 20/25 (8/10 or 0.7 logMAR) and best corrected visual acuity for near not exceeding II character
  • Absence Other ocular confounding diseases
  • Participant must be medically able to undergo the testing and study procedures required in the flowsheet of exam procedures.

You may not qualify if:

  • Presence of diabetes-related macular edema, or macular edema associated with other causes such as choroideal neovascularization or after the eye surgery.
  • patients with diabetes mellitus.
  • Patients who have performed eye surgery in the previous three months.
  • Evidence of an active eye infection.
  • previous uveitis or evidence of intraocular inflammation.
  • History or evidence of glaucoma or elevated intraocular pressure (IOP) greater than or equal to 21 mm Hg at baseline.
  • abnormalities of the anterior segment or media opacities that prevent the assessment of the posterior segment of te eye
  • The treatment with corticosteroids (systemic, periocular or intravitreal) from at least 3 months.
  • The use of any topical medication other than the study drug for the treatment of ocular pathologies.
  • Presence or history of any systemic or ocular disease or condition that may significantly limit of visual acuity or visual field, hindering the effectiveness of treatment in the study or its evaluation, or could interfere with the interpretation of The study results, or may be judged by the investigator incompatible with the visit program or with the procedures in the study.
  • Known hypersensitivity to study drug or drugs procedural.
  • Participation in another clinical study during the same period of this study or within 90 days of the screening visit / baseline.
  • History of drug use, illegal drugs or alcohol abuse or addiction.
  • Women of childbearing potential are excluded from participation in the study if they meet one of the following conditions:
  • currently pregnant or,
  • +4 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

Ospedale San Raffaele

Milan, 20132, Italy

Location

Ospedale Sacco

Milan, Italy

Location

MeSH Terms

Conditions

Retinitis PigmentosaMacular Edema

Interventions

cenegerminOphthalmic Solutions

Condition Hierarchy (Ancestors)

Eye Diseases, HereditaryEye DiseasesRetinal DystrophiesRetinal DegenerationRetinal DiseasesGenetic Diseases, InbornCongenital, Hereditary, and Neonatal Diseases and AbnormalitiesMacular Degeneration

Intervention Hierarchy (Ancestors)

Pharmaceutical SolutionsSolutionsPharmaceutical PreparationsTherapeutic UsesPharmacologic ActionsChemical Actions and UsesSpecialty Uses of Chemicals

Study Officials

  • Paolo Rama, MD

    Ospedale San Raffaele. Milan

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
MD

Study Record Dates

First Submitted

October 12, 2015

First Posted

November 20, 2015

Study Start

May 1, 2015

Primary Completion

February 1, 2017

Study Completion

February 1, 2017

Last Updated

September 6, 2017

Record last verified: 2017-09

Locations