GENE THERAPY RESOURCE PROGRAM (GTRP) Header
GENE THERAPY RESOURCE PROGRAM (GTRP) Header
PHARMACOLOGY/TOXICOLOGY CORE Header

Introduction:

The Pharmacology/Toxicology Core is a comprehensive research facility conducting biodistribution and/or safety testing of gene vector products for the Gene Therapy Resource Program. Results of the gene vector testing will support development of human clinical trials. The pharmacology and biodistribution studies assess vector tropism, gene expression efficiency and kinetics, and vector clearance. The toxicology studies identify any adverse effects of the gene product transfer. Identification of an effective therapeutic dose from pharmacology studies coupled with knowledge of the dose causing no adverse effects provides a therapeutic index for development of clinical trials strategies.

Types of Services:

  • Assistance with protocol development including participation of the Lovelace Quality Assurance Unit
  • Conduct studies under FDA Good Laboratory Guidelines
  • Facilitate Pre-IND meeting with the Food and Drug Administration
  • Preparation of final study report

Lovelace has consulting statisticians and in house personnel that can assist with

  • Experimental design
  • Data analysis for Final Reports
  • Calculation of pharmacokinetic parameters
  • Rodents (mice, rats, guinea pigs, hamsters)
  • Rabbits
  • Ferrets
  • Beagle dogs
  • Non-human primates (cynomolgus, rhesus, and baboon)
  • Specific animal models can be purchased or developed as needed
  • Toxicology staff competent to deliver gene therapy product (viral vectors and cells transduced in vitro)
  • Veterinary staff capable of portal vein product delivery
  • In house and collaborating veterinary staff for intracardiac product delivery
  • Inhalation laboratory for delivery of products directly to the respiratory tract
  • Real time PCR for analysis of viral vector load
  • Western blot
  • Cytokine analysis (ELISA and Luminex)
  • In situ hybridization
  • Immunohistochemistry
  • Necropsy facilities for large and small animals – experience collecting tissue for subsequent
    gene analysis
  • In House histopathology laboratory – traditional and “special stain” capabilities
  • Immunohistochemical method development capabilities
  • Board certified pathologists
  • In house capabilities for hematology, serum chemistry, and coagulation times
    (see tables below)
  • Special analyses can be developed and validated as needed
  • Historical data base for rodents, dogs and non-human primates
Example hematology and serum chemistry panels:


Hematology Parameters

Parameter

Abbreviation

Units

White Blood Cell Count
WBC
103/µL
Red Blood Cell Count
RBC
106/µL
Hemoglobin
HGB
g/dL
Hematocrit
HCT
%
Mean Corpuscular Volume
MCV
fL
Mean Corpuscular Hemoglobin Concentration
MCHC
g/dL
Mean Corpuscular Hemoglobin
MCH
pg
Platelet Count
PLT
103/µL
Percent Reticulocytes
RETIC
% RBC
Absolute Differential White Blood Cell Count
Neutrophils
NEUT
103/µL
Lymphocytes
LYM
103/µL
Monocytes
MONO
103/µL
Eosinophils
EOS
103/µL
Coagulation
Partial Thromboplastin Time
PTT
seconds
Prothrombin Time
PT
seconds

 

Serum Chemistry Parameters

Analyte
Abbreviation
Units
Alanine Aminotransferase (Alanine Transaminase)-Serum
ALT
IU/L
Albumin
ALB
g/dL
Aspartate Aminotransferase (Aspartate Transaminase)-Serum
AST
IU/L
Bilirubin (Total)
BILI-T
mg/dL
Calcium
CA
mg/dL
Chloride (Serum)
CL-S
mmol/L
Cholesterol (Total)
CHOL
mg/dL
Creatinine (Serum)
CRE-S
mg/dL
Glucose
GLU
mg/dL
Gamma Glutamyltransferase
GGT
IU/L
Alkaline Phosphatase
ALP
IU/L
Phosphate
PHOS
mg/dL
Potassium (Serum)
K-S
mmol/L
Protein (Total)
TP
g/dL
Sodium (Serum)
NA-S
mmol/L
Triglycerides
TRIG
mg/dL
Blood Urea Nitrogen
BUN
mg/dL
Ratios (calculated)
Globulin
GLOBN
g/dL
Albumin/Globulin
A/G
None
Blood Urea Nitrogen/Creatinine
BUN/CRE
None

 

FAQs

For all types of RSAs

  • The scientific research in gene therapy that is the subject of the RSA must be consistent with the NHLBI Mission (http://www.nhlbi.nih.gov/about/org/mission.htm).
  • The submitting investigator must be registered and approved as described under
    “Who Can Submit an RSA?”
  • RSA approval and implementation is contingent upon availability of funds in the GTRP. 
  • Services provided through an approved RSA are at no cost to the investigator.
  • The various types of RSAs are independent of one another.  An applicant Investigator may submit any type of RSA for a qualified gene therapy research project regardless of past or future utilization of GTRP resources for the project.

In addition, for Pharmacology/Toxicology Studies

  • The applicant must provide documentation of a pre-IND FDA meeting/review and FDA-specified pharmacology/toxicology testing recommendations.
  • A brief description of the anticipated gene therapy clinical trial must be provided by the applicant.

A Request for Service Application (RSA) is the mechanism for applying for GTRP resources. Investigators must register on-line and be approved by the NHLBI Gene Therapy Group in order to access the Request for Service Application.

In order for the laboratory to adequately test the gene vector product, the applicant investigator will be asked to provide such information as:

  • background data on vector construct
    (plasmid map including restriction sites; packaging cell lines, serotype,etc)
  • sequencing data of vector expression cassette
  • method of assessing gene transfer and efficacy
  • animal model requirements; dosing and schedule
The applicant investigator is encouraged to contact the laboratory for assistance in completing the RSA.  

Lovelace Biomedical and Environmental Research Institute is a subsidiary of the Lovelace Respiratory Research Institute.  The Institute has a long history of conducting toxicology studies on a wide spectrum of agents (including inhaled gene products) in a variety of animal species.  Further, the Institute’s expertise in conducting pre-clinical toxicology and pharmacology studies under FDA Good Laboratory Practice Guidelines (21CFR Part 58) makes it uniquely suited to serve as the Pharmacology/Toxicology Core of the NHLBI Gene Therapy Resources Program.



HIGHLIGHTS
RSA Submissions are Accepted on a Continuous Basis

»
 Instructions for Submitting
  an RSA

» RSA Review Process
INFORMATION CENTER

» Regulatory Guidelines

» GTRP Presentations at the
  ASGT Meeting May 28, 2008

» NHLBI Home