Current Status of Mesenchymal Stem Cell Therapy and Bone Marrow Transplantation in IBD
Why this work is in the frame
A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.
Bibliographic record
Abstract
Cellular therapy is a promising new approach to address unmet medical needs in patients with IBD, mainly Crohn's disease (CD). Two series have reported autologous hematopoietic stem cell transplantation (HSCT) for CD. The largest one is a phase I study from Chicago including 24 patients with active CD refractory to conventional therapies. All patients went into remission with a CD Activity Index (CDAI) <150. The percentage of clinical relapse-free survival was 91% at 1 year, 63% at 2 years, 57% at 3 years, 39% at 4 years and 19% at 5 years. The percentage of patients in remission (CDAI <150), steroid-free or medication-free at any post-transplantation evaluation interval remained ≥70, ≥80 and ≥60%, respectively. In Europe and Canada, a currently ongoing randomized trial hopes to answer the question of whether autologous HSCT adds any benefit to the effect of immunosuppression used during mobilization. Although promising, HSCT for CD is still experimental and its toxicity leaves this option for a considerably reduced number of refractory patients in whom the disease is not amenable to surgical resection. A more recently developed, less aggressive approach involves the use of mesenchymal stem cells (MSCs). Successful pre-clinical studies using MSCs in models of autoimmunity, inflammation or tissue damage have paved the way for clinical trials. Two phase I studies on autologous bone marrow-derived MSCs for the treatment of active refractory CD have been published recently; one using systemic administration in patients with luminal CD and the other assessing the effects of local injection of MSCs for the treatment of fistulizing CD, showing that application of autologous MSCs is feasible, well tolerated and might produce clinical benefits.
Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.002 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it