Chondroitinase ABC
Class: Biologic protein
What this is
An enzyme delivered to the injury site to break down part of the scar substance.
What problem it is trying to solve
The scar does more than fill the hole: it contains substances that stop nerve fibres from growing.
How it is supposed to work
The proposed mechanism is that removing those inhibiting substances lets surviving fibres grow further, and that training then consolidates the new connections.
Where this is known from: StatPearls Publishing, on the NCBI Bookshelf (NLM) · nobody has yet read that source against these sentences
What this acts on
The parts of the body and the phases of an injury this technology is aimed at, in plain words. Each one opens the rest of what is known about it.
What is being changed here, drawn
Inside the cord
The ring around the grey matter. Long fibres in a myelin sheath — the wires the signal travels up and down.
- White matterThe ring around the grey matter. Long fibres in a myelin sheath — the wires the signal travels up and down.
- Secondary injuryThe biological processes that begin minutes after the blow and continue for hours, days and weeks. This is where most research aims: unlike the primary damage, this stage is still in progress.
- Changing the scar and its surroundingsA scar and a chemistry in which a fibre will not grow form around the injury. This direction tries to change that environment rather than the fibre.
How far this has actually got
No step has been recorded for this approach.
A step is recorded when a study in this corpus moves it. Nothing has, so there is no step to show — which is different from the step being zero.
Claims and their evidence states
Human and preclinical evidence are counted separately and never merged.
Human evidence
Nothing has been recorded here yet.
This map holds only what has been read and checked against a source, and nothing has been recorded for this section. Empty here means exactly that — not zero, and not a fault in the page.
Preclinical evidence
Nothing has been recorded here yet.
This map holds only what has been read and checked against a source, and nothing has been recorded for this section. Empty here means exactly that — not zero, and not a fault in the page.
Studies
No study has been recorded for this technology yet.
This map holds only what has been read and checked against a source, and nothing has been recorded for this section. Empty here means exactly that — not zero, and not a fault in the page.
Limits and known risks
The enzyme is unstable and loses activity quickly, so it needs a way of being delivered for long enough and in the right place. The work in this corpus is mostly in animals; there is little in people here.
Safety signals
No safety signal has been recorded.
This map holds only what has been read and checked against a source, and nothing has been recorded for this section. Empty here means exactly that — not zero, and not a fault in the page.
Who researches this, and where
The sites are those the registry record names itself, word for word. A place that is absent was not published by the registry, and no location here is guessed.
Where this work was done
No place is recorded for the studies behind this technology.
A place is kept only where the source published one in the field its basis names. Some registry records do not publish a facility, and nothing is inferred from an address that was never given.
Laboratory
Nothing has been recorded here yet.
This map holds only what has been read and checked against a source, and nothing has been recorded for this section. Empty here means exactly that — not zero, and not a fault in the page.
Clinical trial
Nothing has been recorded here yet.
This map holds only what has been read and checked against a source, and nothing has been recorded for this section. Empty here means exactly that — not zero, and not a fault in the page.
What is still missing
What is missing: a way of delivering it safely in a person, and any study in people with a measured outcome.
Completeness of the literature search
Nothing has been recorded here yet.
This map holds only what has been read and checked against a source, and nothing has been recorded for this section. Empty here means exactly that — not zero, and not a fault in the page.
The originals
Every record behind this page, with a way straight to the publication or the registry entry itself. Nothing here is our text.
No record in this corpus is attributed to this approach.
The searches that were run returned nothing a declared rule could attribute to it. The sources register says what was searched and what each source permits.
Found in the sources and not yet checked
Records the sources hold about this approach that nobody has read yet. They are not evidence and are not counted anywhere on this page.
See what the sources hold — 278 records
In detail: how all of this was measured
Nothing below has been removed or softened — it is the whole evidence model, one screen down, for anybody who wants to check the sentences above rather than take them.
Where this record was first named
- Chondroitinase ABC promotes axonal regeneration of Clarkeʼs neurons after spinal cord injury
- Section: 10.1097/00001756-200004070-00032/title
- Identifier: 10.1097/00001756-200004070-00032
- Source: Crossref
- How the name reached us: extraction
The four states
Four separate statements. They are never rolled into one: a technology shown to work in rodents and never tried in people must read as exactly that.
Biologically possible
Not investigated
Nothing has been recorded either way.
Claims and their evidence statesDemonstrated in animals
Not investigated
Nothing has been recorded either way.
Claims and their evidence statesDemonstrated in humans
Not investigated
Nothing has been recorded either way.
Claims and their evidence statesClinically available
Not investigated
Nothing has been recorded either way.
Claims and their evidence statesCombination · Prognostic value
Combination
No dataNothing has been recorded here yet. This is not a zero.Prognostic value
No dataNothing has been recorded here yet. This is not a zero.Readiness by injury phase and impairment band
| Complete | Sensory incomplete | Motor incomplete | Mixed | Not applicable | AIS not reported | Outside our vocabulary | |
|---|---|---|---|---|---|---|---|
| Acute | No data | No data | No data | No data | No data | No data | No data |
| Subacute | No data | No data | No data | No data | No data | No data | No data |
| Chronic | No data | No data | No data | No data | No data | No data | No data |
| Unknown | No data | No data | No data | No data | No data | No data | No data |
Nothing has been recorded here yet. This is not a zero.
The eight evidence dimensions
No dataNothing has been recorded here yet. This is not a zero.Technologies · Relationships
Nothing has been recorded here yet.
This map holds only what has been read and checked against a source, and nothing has been recorded for this section. Empty here means exactly that — not zero, and not a fault in the page.
Outcome measure
Nothing has been recorded here yet.
This map holds only what has been read and checked against a source, and nothing has been recorded for this section. Empty here means exactly that — not zero, and not a fault in the page.
Cell type, biomaterial or animal model
Nothing has been recorded here yet.
This map holds only what has been read and checked against a source, and nothing has been recorded for this section. Empty here means exactly that — not zero, and not a fault in the page.
Relationships to other technologies
No relationship to another technology has been recorded.
This map holds only what has been read and checked against a source, and nothing has been recorded for this section. Empty here means exactly that — not zero, and not a fault in the page.