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Completed

NCT Number: NCT00877032

Safety And Tolerability Study Of RN6G In Patients With Dry, Age-Related Macular Degeneration

The purpose of this study is to determine the safety and tolerability of RN6G in patients with dry, age-related macular degeneration.

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Key information

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 1

Primary location

Dedicated Phase 1, Phoenix, Arizona, United States

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Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Be of non-childbearing potential.
  • Diagnosis of dry AMD as defined by the Age-Related Eye Disease Study (AREDS, 2005), including uni- or multi-focal GA, without foveal involvement.
  • BCVA of 20/320 or better in the worst eye.

Exclusion criteria

  • Diagnosis of exudative (wet) AMD, with subretinal or choroidal neovascular lesions.
  • Diagnosis or history of Alzheimer's disease, dementia or neurodegenerative disorders.
  • Diagnosis or recent history of clinically significant cerebrovascular disease.
  • Uncontrolled hypertension.
  • Uncontrolled Type 1 or Type 2 diabetes mellitus.

Treatment and study plan

RN6G

Biological

intravenous, single dose, dose ranging from 0.3mg/kg up to a maximum of 40 mg/kg.

Placebo

Biological

intravenous, single dose with experimental dose.

Primary outcomes

  1. Incidence and Severity of Ocular Adverse Events (AEs)

    Time frame: Baseline up to Day 168

    AE: untoward medical occurrence in participant who received study drug without regard to causal relationship. Ocular AE was identified by spontaneous report or ocular examination: early treatment diabetic retinopathy study (ETDRS) best-corrected visual acuity (BCVA); low-luminance BCVA; pupillary light response, extra-ocular muscle movements, external examination of the eyelids and eyelashes, slit-lamp biomicroscopic examination (SLE) of all components of the anterior and posterior segments, intra-ocular pressure (IOP), and dilated ocular fundus examination of the vitreous and retina. AE was assessed according to severity; mild (did not interfere with participant's usual function), moderate (interfered to some extent with participant's usual function) and severe (interfered significantly with participant's usual function). Total number of participants with ocular (related to eye) AEs and severity was reported.

  2. Incidence and Severity of Systemic Adverse Events (AEs)

    Time frame: Baseline up to Day 168

    AE: untoward medical occurrence in participant who received study drug without regard to causal relationship. Systemic AEs was identified by spontaneous report or physical and neurological examinations changes in vital signs, clinical laboratory abnormalities, 12-lead electrocardiograms (ECG), brain magnetic resonance imaging (MRI). AE was assessed according to severity; mild (did not interfere with participant's usual function), moderate (interfered to some extent with participant's usual function) and severe (interfered significantly with participant's usual function). Total number of participants with systemic (all AEs including eye-related) AEs and severity was reported.

Secondary outcomes

  1. Area Under the Curve From Time Zero to Extrapolated Infinite Time [AUC (0 - Inf)] of RN6G

    Time frame: Pre-dose on Day 1; 1 hour (hr) during infusion on Day 1; 0, 1, 4, 8, 12 hrs post-dose on Day 1; Day 2, 7, 14, 21, 28, 42, 56, 84, 168

    AUC (0 - inf) = Area under the plasma concentration versus time curve (AUC) from time zero (pre-dose) to extrapolated infinite time (0 - inf). It is obtained from AUC (0 - t) plus AUC (t - inf). Participants who received RN6G were reported.

  2. Area Under the Curve From Time Zero to Last Quantifiable Concentration [AUC (0-t)] of RN6G

    Time frame: Pre-dose on Day 1; 1 hour (hr) during infusion on Day 1; 0, 1, 4, 8, 12 hrs post-dose on Day 1; Day 2, 7, 14, 21, 28, 42, 56, 84, 168

    AUC (0-t)= Area under the plasma concentration versus time curve from time zero (pre-dose) to time of last quantifiable concentration (0-t). Participants who received RN6G were reported.

  3. Maximum Observed Plasma Concentration (Cmax) of RN6G

    Time frame: Pre-dose on Day 1; 1 hour (hr) during infusion on Day 1; 0, 1, 4, 8, 12 hrs post-dose on Day 1; Day 2, 7, 14, 21, 28, 42, 56, 84, 168

    Participants who received RN6G were reported.

  4. Time to Reach Maximum Observed Plasma Concentration (Tmax) of RN6G

    Time frame: Pre-dose on Day 1; 1 hour (hr) during infusion on Day 1; 0, 1, 4, 8, 12 hrs post-dose on Day 1; Day 2, 7, 14, 21, 28, 42, 56, 84, 168

    Participants who received RN6G were reported.

  5. Volume of Distribution (Vd) of RN6G

    Time frame: Pre-dose on Day 1; 1 hour (hr) during infusion on Day 1; 0, 1, 4, 8, 12 hrs post-dose on Day 1; Day 2, 7, 14, 21, 28, 42, 56, 84, 168

    Volume of distribution is defined as the theoretical volume in which the total amount of drug would need to be uniformly distributed to produce the desired blood concentration of a drug. Participants who received RN6G were reported and volume was measured as volume/kg of body weight.

  6. Clearance (CL) of RN6G

    Time frame: Pre-dose on Day 1; 1 hour (hr) during infusion on Day 1; 0, 1, 4, 8, 12 hrs post-dose on Day 1; Day 2, 7, 14, 21, 28, 42, 56, 84, 168

    CL is a quantitative measure of the rate at which a drug substance is removed from the body. Participants who received RN6G were reported and clearance was measured as mL/hr/kg of body weight.

  7. Mean Residence Time (MRT) of RN6G

    Time frame: Pre-dose on Day 1; 1 hour (hr) during infusion on Day 1; 0, 1, 4, 8, 12 hrs post-dose on Day 1; Day 2, 7, 14, 21, 28, 42, 56, 84, 168

    MRT was calculated as area under the moment curve from time 0 to extrapolated infinite time (AUMC[0 to inf])/area under the concentration effect curve from time 0 to extrapolated infinite time (AUC[0 to inf]). AUMC (0 to inf)= area under the moment curve from 0 to time t (AUMC 0-t) + [(Ct*tlast )/lamdaz ] + [Ct/(lamdaz )^2 ] where Ct= last measurable concentration, tlast= last measurable time, lamdaz= apparent terminal elimination rate constant. Participants who received RN6G were reported.

  8. Plasma Terminal Half-life (t1/2) of RN6G

    Time frame: Pre-dose on Day 1; 1 hour (hr) during infusion on Day 1; 0, 1, 4, 8, 12 hrs post-dose on Day 1; Day 2, 7, 14, 21, 28, 42, 56, 84, 168

    Plasma terminal half-life is the time measured for the plasma concentration to decrease by one half. Participants who received RN6G were reported.

  9. Maximum Observed Plasma Concentration (Cmax) of Amyloid (A) Beta(1-X)

    Time frame: Pre-dose on Day 1; 1 hour (hr) during infusion on Day 1; 0, 1, 4, 8, 12 hrs post-dose on Day 1; Day 2, 7, 14, 21, 28, 42, 56, 84, 168

  10. Time to Reach Maximum Observed Plasma Concentration (Tmax) of Amyloid (A) Beta(1-X)

    Time frame: Pre-dose on Day 1; 1 hour (hr) during infusion on Day 1; 0, 1, 4, 8, 12 hrs post-dose on Day 1; Day 2, 7, 14, 21, 28, 42, 56, 84, 168

  11. Area Under the Curve From Time Zero to Day 165 [AUC (0-165d)] of Amyloid (A) Beta(1-X)

    Time frame: Pre-dose on Day 1; 1 hour (hr) during infusion on Day 1; 0, 1, 4, 8, 12 hrs post-dose on Day 1; Day 2, 7, 14, 21, 28, 42, 56, 84, 165

    AUC (0-165d)= Area under the plasma concentration versus time curve from time zero (pre-dose) to Day 165.

  12. Number of Participants With Anti-Drug Anti-body

    Time frame: Baseline up to Day 168

    Participants tested positive for anti-drug anti-body on at least one or more occasions were reported.

Sponsors and collaborators

Lead sponsor

Pfizer

Industry

Registry information

Official study title

A Phase I, Double-masked, Placebo-controlled Study Evaluating The Safety, Tolerability, Pharmacokinetics, Pharmacodynamics, And Immunogenicity Of Single Escalating Doses Of Rn6g In Patients With Dry, Age-related Macular Degeneration (Amd)

Important dates

Study start
2009
Primary completion
2011
Study completion
2011
First posted
Apr 7, 2009
Registry last updated
Mar 31, 2015

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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