ASTM F2884 - 12 - Standard Guide for Pre-clinical in vivo Evaluation of Spinal Fusion

ASTM F2884 - 12

Standard Guide for Pre-clinical in vivo Evaluation of Spinal Fusion

Status : Current   Published : May 2012



1.1 This guide covers general guidelines for the pre-clinical in vivo assessment of tissue-engineered medical products (TEMPs) intended to repair or regenerate bone in an interbody and/or posterolateral spinal environment. TEMPs included in this guide may be composed of, but are not limited to, natural or synthetic biomaterials or composites thereof, and may contain cells or biologically active agents such as growth factors, synthetic peptides, plasmids, or cDNA. The models described in this document represent a stringent test of a material s ability to induce and/or augment bone growth in the spinal environment.

1.2 While clinically TEMPs may be combined with hardware for initial stabilization or other purposes, the focus of this guide is on the appropriateness of the animal model chosen and evaluation of the TEMP induced repair and as such does not focus on issues of hardware.

1.3 Guidelines include a description and rationale of various animal models for the in vivo assessment of the TEMP. The animal models utilize a range of species including rat (murine), rabbit (lapine), dog (canine), goat (caprine), pig (porcine), sheep (ovine), and non-human primate (primates). Outcome measures include in vivo assessments based on radiographic, histologic, CT imaging as well as subsequent in vitro assessments of the repair, including histologic analyses and mechanical testing. All methods are described briefly and referenced. The user should refer to specific test methods for additional detail.

1.4 This guide is not intended to include the testing of raw materials, preparation of biomaterials, sterilization, or packaging of the product. ASTM standards for these steps are available in Referenced Documents (Section 2).

1.5 The use of any of the methods included in this guide may not produce a result that is consistent with clinical performance in one or more specific applications.

1.6 Other pre-clinical methods may also be appropriate and this guide is not meant to exclude such methods. The material must be suitable for its intended purpose. Additional biological testing in this regard would be required.

1.7 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.8 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

Standard NumberASTM F2884 - 12
TitleStandard Guide for Pre-clinical in vivo Evaluation of Spinal Fusion
Publication Date01 May 2012
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Descriptors Animal models, Biomaterials, Bone, Bone regeneration, Bone repair, Implants, Interbody spine fusion, in vivo, Mechanical testing, Pre-clinical, Products, Posterolateral spine fusion, Spinal fusion, Spine, Synthetic biomaterials, TEMPs (tissue engineered medical products), Biomaterials, Spinal fusion, Spinal implants, Animal experimentation, Animal tissue
File Size298.1 KB

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