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Myopic Macular DegenerationPhase 1/2NCT02122159

Research With Retinal Cells Derived From Stem Cells for Myopic Macular Degeneration

A Phase 1/2 study testing MA09-hRPE Cellular Therapy in people with Myopic Macular Degeneration, run by University of California, Los Angeles.

Withdrawn

Withdrawn. The study stopped before anyone enrolled.

Official record
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Trial summary

Pathologic myopia is a major cause of legal blindness worldwide. In myopic macular degeneration (MMD), there is degeneration of the retinal pigment epithelial (RPE) layer, and associated photoreceptors, resulting in vision loss. There is currently no standard treatment for MMD. Read more about this study

Who is it for?
Ages 40 years and older
Conditions the study is for
Myopic Macular Degeneration
What is being tested?
MA09-hRPE Cellular Therapy
Type of treatment
Injection or infusion
Could I receive a placebo?
No, everyone receives an active treatment
How many people
0 participants
Where
No sites listed yet
Study dates
Mar 2013to Jul 2016
Phase
Phase 1/2
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 40 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Adult male or female over 40 years of age.
  • Patient should be in sufficiently good health to reasonably expect survival for at least four years after treatment
  • Axial myopia of equal to or greater than -8 diopters and/or axial length equal to or greater than 28 mm
  • Clinical findings consistent with MMD with evidence of one or more areas of >250microns of geographic atrophy (as defined in the Age-Related eye Disease Study [AREDS] study) involving the central fovea.
  • GA defined as attenuation or loss of RPE as observed by biomicroscopy, OCT, and FA.
  • No evidence of current or prior choroidal neovascularization
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  • The visual acuity of the eye to receive the transplant will be no better than 20/80.
  • The visual acuity of the eye that is NOT to receive the transplant will be no worse than 20/400.
  • The eye with the more advanced disease and worse vision will be the study eye.
  • Electrophysiological findings consistent with macula-involving geographic atrophy.
  • Medically suitable to undergo vitrectomy and subretinal injection.
  • Medically suitable for general anesthesia or waking sedation, if needed.
  • Medically suitable for transplantation of an embryonic stem cell line:
  • Any laboratory value, which falls slightly outside of the normal range, will be reviewed by the Medical Monitor and Investigators to determine its clinical significance. If it is determined not to be clinically significant, the patient may be enrolled into the study.
  • Normal serum chemistry (sequential multi-channel analyzer 20 [SMA-20]) and hematology (complete blood count [CBC], prothrombin time [PT], and activated partial thromboplastin time [aPTT]) screening tests. (NOTE:With the exception of abnormalities specifically identified in the exclusion criteria)
  • Negative urine screen for drugs of abuse.
  • Negative human immunodeficiency virus (HIV), hepatitis B (HBV), hepatitis C (HCV) serologies.
  • No history of malignancy (with the exception of successfully treated (excised) basal cell carcinoma[skin cancer] or successfully treated squamous cell carcinoma of the skin).
  • Negative cancer screening within previous 6 months:
  • complete history \& physical examination;
  • dermatological screening exam for malignant lesions;
  • negative fecal occult blood test \& negative colonoscopy within previous 7 years;
  • negative chest roentgenogram (CXR);
  • normal CBC \& manual differential;
  • negative urinalysis (U/A);
  • normal thyroid exam;
  • if male, normal testicular examination; digital rectal examination (DRE) and prostate specific antigen (PSA);
  • if female, normal pelvic examination with Papanicolaou smear; and
  • If female, normal clinical breast exam and, negative mammogram.
  • If female and of childbearing potential, willing to use two effective forms of birth control during the study.
  • If male, willing to use barrier and spermicidal contraception during the study.
  • Willing to defer all future blood, blood component or tissue donation.
  • Able to understand and willing to sign the informed consent.

Who cannot join

  • Presence of active or inactive CNV.
  • Presence of a posterior staphyloma.
  • Presence or history of retinal dystrophy, retinitis pigmentosa, chorioretinitis, central serious choroidopathy, diabetic retinopathy or other retinal vascular or degenerative disease (i.e. AMD) other than MMD.
  • History of optic neuropathy.
  • Macular atrophy due to causes other than MMD.
  • Presence of glaucomatous optic neuropathy in the study eye, uncontrolled IOP, or use of two or more agents to control IOP (acetazolamide, beta blocker, alpha-1-agonist, antprostaglandins, carbonic anhydrase inhibitors).
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  • Cataract of sufficient severity likely to necessitate surgical extraction within 1 year.
  • History of retinal detachment repair in the study eye.
  • History of malignancy (with the exception of successfully treated [excised] basal cell carcinoma [skin cancer] or successfully treated squamous cell carcinoma of the skin).
  • History of myocardial infarction in previous 12 months.
  • History of cognitive impairments or dementia which may impact the patients ability participate in the informed consent process and to appropriately complete evaluations.
  • Any immunodeficiency.
  • Any current immunosuppressive therapy other than intermittent or low dose corticosteroids.
  • Alanine transaminase/aspartate aminotransferase (ALT/AST) >1.5 times the upper limit of normal or any known liver disease.
  • Renal insufficiency, as defined by creatinine level >1.3 mg/dL.
  • A hemoglobin concentration of less than 10gm/dL, a platelet count of less than 100k/mm3 or an absolute neutrophil count of less than 1000/mm3 at study entry.
  • Serologic evidence of infection with Hepatitis B, Hepatitis C, or HIV.
  • Current participation in any other clinical trial.
  • Participation within previous 6 months in any clinical trial of a drug by ocular or systemic administration.
  • Any other sight-threatening ocular disease.
  • Any history of retinal vascular disease (compromised blood-retinal barrier.
  • Glaucoma.
  • Uveitis or other intraocular inflammatory disease.
  • Significant lens opacities or other media opacity.
  • Ocular lens removal within previous 3 months.
  • Ocular surgery in the study eye in the previous 3 months
  • If female, pregnancy or lactation.
  • Any other medical condition, which, in the Investigator's judgment, will interfere with the patient's ability to comply with the protocol, compromises patient safety, or interferes with the interpretation of the study results.

About this study

Official title: A Phase I/II, Open-Label, Prospective Study to Determine the Safety and Tolerability of Sub-retinal Transplantation of Human Embryonic Stem Cell Derived Retinal Pigmented Epithelial (MA09-hRPE) Cells in Patients With Geographic Atrophy Secondary to Myopic Macular Degeneration

Pathologic myopia is a major cause of legal blindness worldwide. In myopic macular degeneration (MMD), there is degeneration of the retinal pigment epithelial (RPE) layer, and associated photoreceptors, resulting in vision loss. There is currently no standard treatment for MMD.

Transplantation of intact sheets of RPE and suspensions of isolated individual RPE cells as well as autologous translocation of RPE cells has been attempted as treatment for AMD. Human photoreceptors are comprised of two cell types-rods and cones. Both have a close relationship with the outermost retinal cells, the retinal pigmented epithelium (RPE). The RPE is located between the choroid and the photoreceptors. The RPE maintains photoreceptor function by recycling photopigments,delivering, metabolizing and storing vitamin A, phagocytosing rod photoreceptor outer segments, transporting iron and small molecules between retina and choroid, maintaining Bruch's membrane and absorbing stray light to allow better image resolution. In essence, the RPE layer is critical to the function and health of photoreceptors and the retina as a whole.

Read more

Human PRE (hRPE) transplantation may be a viable option for treatment of degenerative diseases of the retina.

MA09-hRPE cells are fully differentiated human RPE cells derived from embryonic stem cells. Transplanted hRPE cells prepared by Advanced Cell Technology have been studied in rodent models of macular degenerative disease. The data suggests that the subretinal injection of ACT's hRPE cell products rescues, or at least delays, loss of visual function in two animal models of retinal degenerative diseases.

The main purpose of this study is to evaluate the safety and tolerability of MA09-hRPE cellular therapy in patients with Myopic Macular Degeneration (MMD). Another objective is to evaluate potential efficacy endpoints to be used in future studies of RPE cellular therapy.

Being tested
MA09-hRPE Cellular Therapy
Keywords
safety, tolerability, RPE cellular therapy, MMD

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • MA09-hRPE Cellular TherapyBiological

    A suspension of either 50,000 MA09-hRPE cells (first cohort), 100,000 MA09-hRPE cells (second cohort), 150,000 MA09-hRPE cells (third cohort) or 200,000 MA09-hRPE cells (fourth cohort) in 150 uL of BSS plus will be implanted over 1 minute in the space created.

Study groups in NCT02122159
Study groupRoleWhat they receive
MA09-hRPE Cellular TherapyExperimentalMA09-hRPE cells for transplantation will be provided by Ocata Therapeutics as a suspension frozen to the temperature of liquid nitrogen (approximately -196 °C). They will be processed at UCLA under GMPs according to protocol. Following vitrectomy performed under general anesthesia or waking sedation at the surgeon's discretion, hRPE cells will be introduced into a subretinal bleb formed by the injection of balanced salt solution (BSS). Direct viewing will guide the implantation of thawed and washed MA09-hRPE cells, resuspended in BSS, into the created bleb over a period of one minute. To avoid cell reflux, the cannula used to introduce the cells will be held in position for an additional minute. A suspension of either 50,000 MA09-hRPE cells (first cohort), 100,000 MA09-hRPE cells (second cohort), 150,000 MA09-hRPE cells (third cohort) or 200,000 MA09-hRPE cells (fourth cohort) in 150 uL of BSS plus will be implanted over 1 minute in the space created.
Receives: Biological: MA09-hRPE Cellular Therapy

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Safety of hESC-derived RPE cells

    The transplantation of hESC-derived RPE cells MA09-hRPE will be considered safe and tolerated in the absence of:

    • Any grade 2 (NCI grading system) or greater adverse event related to the cell product
    • Any evidence that the cells are contaminated with an infectious agent
    • Any evidence that the cells show tumorigenic potential

    Measured: 12 months

Secondary outcomes (2)
  1. Evidence of successful engraftment

    Evidence of successful engraftment will consist of:

    • Structural evidence (OCT imaging, fluorescein angiography, slit-lamp examination with fundus photography) that cells have been implanted in the correct location
    • Electroretinographic evidence (mfERG) showing enhanced activity in the implant location

    Measured: 12 months

  2. Evidence of rejection

    Evidence of rejection will consist of:

    • Structural (imaging) evidence that implanted MA09-hRPE cells are no longer in the correct location or the presence of vascular leakage

    If enhanced electroretinographic activity is observed after the transplantation, subsequent electroretinographic evidence that activity has returned to pre-transplant conditions may be an indication of graft rejection

    Measured: 12 months

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted24 Apr 2014 (estimated)
  2. Study startMar 2013
  3. Primary completionJul 2016
  4. Study completionJul 2016

Why it stopped: Study to be revised. Future plans to be determined.

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 1/2
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
0 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02122159
Sponsor's protocol ID
JSEI MA09-hRPE MMD
Status last verified
Jul 2016
First submitted
1 Apr 2014
Last updated
18 Jul 2016
Results posted
No
Data monitoring committee
Yes
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

A Phase 1/2 study testing MA09-hRPE Cellular Therapy in people with Myopic Macular Degeneration, run by University of California, Los Angeles.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 33 inclusion and 28 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: withdrawn, as of the sponsor's last update on 18 Jul 2016. Status can change between updates, so confirm with the study contact before making plans.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this combined phase mean?

Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study was withdrawn before enrolling participants, so there are no results.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Safety of hESC-derived RPE cells (time frame: 12 months). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 18 Jul 2016; AzTrials last refreshed its copy on 31 Oct 2026.

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