Novel compositions for treating wounds and promoting the healing thereof are described, including composition containing novel combinations of a carrier and recombinant platelet derived grown factor having fewer isoforms and enhanced biostability. Methods of treating wounds with novel therapeutic composition using dosing procedures leading to effective results with a minimal number of treatment applications are also described.

Novel collagen-mimetic peptides are disclosed comprising the formula (Xaa-Yaa-Gly).sub.n, where the amino acid at one of the Xaa positions is substituted with a homocysteine residue. Also disclosed are multi-stranded novel collagen-mimetic peptides comprising a first strand as described above that is covalently bonded with a disulfide bridge to a second strand comprising the formula (Xaa-Yaa-Gly).sub.m, where the amino acid at one of the Yaa positions is substituted with a cysteine residue. Disulfide formation between the terminal thiol sulfur of the homocysteine residue of the first strand and the terminal thiol sulfur of the cysteine residue of the second strand reveals unstrained bridges that enhance the structure and substantially improve the stability of collagen triple helices as compared to other possible disulfide or thioether bridges. Thus, the disclosed collagen mimetic peptides have improved stability, and can be used to produce optimized collagen-like fibrillar assemblies for wound healing and other biomedical applications.

This disclosure relates to dermal treatment compositions, such as dermal fillers and tissue glues, and injectable compositions that incorporate one or more cationic steroidal antimicrobials (CSAs). The CSAs are incorporated into the dermal treatment compositions to provide effective antimicrobial, anti-inflammatory, analgesic, anti-swelling and/or tissue-healing properties. A treatment composition includes a component formed from a biologically compatible material suitable for injection into and/or application onto tissue at a treatment site. One or more CSA compounds are mixed with the biologically compatible material so that the one or more CSA compounds are incorporated within the composition, forming a reservoir of CSA compounds within the resulting bolus of the treatment composition after injection and/or application.

This disclosure relates to dermal treatment compositions, such as dermal fillers and tissue glues, and injectable compositions that incorporate one or more cationic steroidal antimicrobials (CSAs). The CSAs are incorporated into the dermal treatment compositions to provide effective antimicrobial, anti-inflammatory, analgesic, anti-swelling and/or tissue-healing properties. A treatment composition includes a component formed from a biologically compatible material suitable for injection into and/or application onto tissue at a treatment site. One or more CSA compounds are mixed with the biologically compatible material so that the one or more CSA compounds are incorporated within the composition, forming a reservoir of CSA compounds within the resulting bolus of the treatment composition after injection and/or application.

Polymeric compositions, methods, and delivery devices for inhibiting bleeding are disclosed. The method includes applying a dried material topically to a wound site, where the material may include a cross-linked biologically compatible polymer which forms a hydrogel when exposed to blood and where the material may not include an active agent such as thrombin. A spring-loaded delivery device as described herein may be used to apply the dried material.

The present invention relates to in vitro cultured senescent cells, such as epithelial cells, keratinocytes and/or fibroblasts as well as their use in the treatment of tissue regeneration, particularly for the treatment of wounds such as burns or ulcers or the treatment of inflammatory conditions. Optionally, products may be used in combination with further drugs including antimicrobial or antidiabetic agents.

To easily manufacture a fiber assembly that includes fibers and particulates supported by the fibers, provided is a method for manufacturing a fiber assembly including: a preparation step of preparing a raw material liquid that contains a water-soluble first component, a second component that is capable of forming a hydrogel, and water; and an electrospinning step of forming fibers that contain the first component as a main component and particulates that are supported by a plurality of the fibers and contain the second component from the raw material liquid by an electrospinning method, wherein in a case where the fibers contain the second component, a mass proportion of the second component contained in the particulates is greater than a mass proportion of the second component contained in the fibers.

Described herein are compositions of collagen and micronized placental tissue components, methods for producing the same and methods for using the same for wound healing, repairing damaged tendons, cosmetic applications and covering biocompatible materials and/or devices.

Described herein are biocompatible nanocomposite hydrogel compositions for three-dimensional printing, comprising: collagen, starch, and gelatin nanoparticles. Additionally described are methods of using three-dimensional objects printed from the a nanocomposite hydrogel compositions for healing wounds and regenerating tissue.

The invention provides a dry biocompatible film comprising at least one film forming material and particulate egg shell membrane (ESM), wherein said particulate ESM is distributed substantially uniformly in and/or on the film and wherein said film, or portion thereof, disintegrates upon contact with a wound or an exudate thereof. The invention further provides methods for preparing the films of the invention and the uses thereof in methods to promote the healing of wounds.