scholarly journals Efficacy and the Adverse Effects of Oral Versus Intravenous Arsenic for Acute Promyelocytic Leukemia: A Meta-Analysis of Randomized-Controlled Studies

2020 ◽  
Vol 19 ◽  
pp. 153303382093700
Author(s):  
Natthaporn Sasijareonrat ◽  
Nikolaus Jahn ◽  
Patompong Ungprasert ◽  
Weerapat Owattanapanich
Keyword(s):  
Retinoic Acid ◽  
Arsenic Trioxide ◽  
Acute Promyelocytic Leukemia ◽  
Promyelocytic Leukemia ◽  
Randomized Controlled ◽  
Trans Retinoic Acid ◽  
All Trans Retinoic Acid ◽  
Randomized Controlled Studies ◽  
Formula Group ◽  
Indigo Naturalis

Acute promyelocytic leukemia, a subtype of acute myeloid leukemia, is highly curable. In subgroup of patients with non-high-risk acute promyelocytic leukemia, intravenous arsenic trioxide plus all-trans-retinoic acid is considered the preferred regimen for acute promyelocytic leukemia. Recently, there are interests in the use of the oral form of arsenic, named the Realgar-Indigo naturalis formula, but the data on its efficacy and safety are still relatively limited. The current study was conducted with the aims to identify and summarize the results of all available randomized-controlled studies. A systematic review was conducted in the 2 major databases, utilizing the terms for arsenic and acute promyelocytic leukemia. Eligible studies had to be randomized-controlled studies that compared efficacy and/or adverse effects of oral arsenic versus intravenous arsenic for treatment of patients with acute promyelocytic leukemia. The Mantel-Haenszel method was used to pool the effect estimates and 95% confidence intervals of the included studies together. A total of 4 randomized controlled studies with 482 patients with acute promyelocytic leukemia (258 in Realgar-Indigo naturalis formula group and 224 in intravenous arsenic trioxide group) were included in the meta-analysis. The chances of achieving complete remission were numerically higher in the Realgar-Indigo naturalis formula group but the difference was not statistically significant (pooled odds ratio: 4.59, 95% CI: 0.74-28.57, I 2 = 0%). Similarly, other efficacy outcomes, including 30-day mortality rate, overall survival, and event-free survival, also tended to favor the Realgar-Indigo naturalis formula group but the difference was not statistically significant. There was no significant difference in the chance of developing differentiation syndrome, cardiac complications, grades 3 to 4 liver toxicity, grades 3 to 4 renal toxicity, and infection between the 2 groups. The results may suggest that all-trans-retinoic acid plus oral Realgar-Indigo naturalis formula regimen is, at minimum, not a worse alternative to the standard all-trans-retinoic acid plus intravenous intravenous arsenic trioxide regimen for treatment of acute promyelocytic leukemia, especially for patients with low-to-intermediate risk.

scholarly journals Fucoidan enhances the therapeutic potential of arsenic trioxide and all-trans retinoic acid in acute promyelocytic leukemia, in vitro and in vivo

Oncotarget ◽  
2016 ◽  
Vol 7 (29) ◽  
pp. 46028-46041 ◽  
Author(s):  
Farzaneh Atashrazm ◽  
Ray M. Lowenthal ◽  
Joanne L. Dickinson ◽  
Adele F. Holloway ◽  
Gregory M. Woods
Keyword(s):  
Retinoic Acid ◽  
Arsenic Trioxide ◽  
Acute Promyelocytic Leukemia ◽  
Therapeutic Potential ◽  
Promyelocytic Leukemia ◽  
Trans Retinoic Acid ◽  
All Trans Retinoic Acid

scholarly journals Benefits of Combined All-Trans Retinoic Acid and Arsenic Trioxide Treatment of Acute Promyelocytic Leukemia Cells and Further Enhancement by Inhibition of Atypically Expressed Transglutaminase 2

Cancers ◽  
2020 ◽  
Vol 12 (3) ◽  
pp. 648 ◽  
Author(s):  
Károly Jambrovics ◽  
Iván P. Uray ◽  
Jeffrey W. Keillor ◽  
László Fésüs ◽  
Zoltán Balajthy
Keyword(s):  
Retinoic Acid ◽  
Arsenic Trioxide ◽  
Acute Promyelocytic Leukemia ◽  
Transglutaminase 2 ◽  
Promyelocytic Leukemia ◽  
Dependent Manner ◽  
Wild Type ◽  
Trans Retinoic Acid ◽  
All Trans Retinoic Acid ◽  
Tnf Α

Randomized trials in acute promyelocytic leukemia patients have shown that treatment with a combination of all-trans retinoic acid (ATRA) and arsenic trioxide (ATO) is superior in efficacy to monotherapy, with significantly decreased mortality. So far, there are little data available to explain the success of the ATRA and ATO combination treatment in molecular terms. We showed that ATRA- and ATO-treated cells had the same capacity for superoxide production, which was reduced by two-thirds in the combined treatment. Secreted inflammatory biomarkers (monocyte chemoattractant protein-1 [MCP-1], interleukin-1 beta [IL-1β] and tumor necrosis factor-α [TNF-α]) were significantly decreased and were further reduced in a transglutaminase 2 (TG2) expression-dependent manner. The amount of secreted TNF-α in the supernatant of NB4 TG2 knockout cells was close to 50 times lower than in ATRA-treated differentiated wild-type NB4 cells. The irreversible inhibitor of TG2 NC9 not only decreased reactive oxygen species production 28-fold, but decreased the concentration of MCP-1, IL-1β and TNF-α 8-, 15- and 61-fold, respectively in the combined ATRA + ATO-treated wild-type NB4 cell culture. We propose that atypical expression of TG2 leads to the generation of inflammation, which thereby serves as a potential target for the prevention of differentiation syndrome.

Chemokine induction by all-trans retinoic acid and arsenic trioxide in acute promyelocytic leukemia: triggering the differentiation syndrome

Blood ◽  
2009 ◽  
Vol 114 (27) ◽  
pp. 5512-5521 ◽  
Author(s):  
Maaike Luesink ◽  
Jeroen L. A. Pennings ◽  
Willemijn M. Wissink ◽  
Peter C. M. Linssen ◽  
Petra Muus ◽  
...  
Keyword(s):  
Retinoic Acid ◽  
Arsenic Trioxide ◽  
Acute Promyelocytic Leukemia ◽  
Promyelocytic Leukemia ◽  
Leukemic Cells ◽  
Differentiation Therapy ◽  
Chemokine Production ◽  
Trans Retinoic Acid ◽  
All Trans Retinoic Acid ◽  
Pulmonary Infiltration

Abstract In acute promyelocytic leukemia (APL), differentiation therapy with all-trans retinoic acid (ATRA) and/or arsenic trioxide can induce a differentiation syndrome (DS) with massive pulmonary infiltration of differentiating leukemic cells. Because chemokines are implicated in migration and extravasation of leukemic cells, chemokines might play a role in DS. ATRA stimulation of the APL cell line NB4 induced expression of multiple CC-chemokines (CCLs) and their receptors (> 19-fold), resulting in increased chemokine levels and chemotaxis. Induction of CCL2 and CCL24 was directly mediated by ligand-activated retinoic acid receptors. In primary leukemia cells derived from APL patients at diagnosis, ATRA induced chemokine production as well. Furthermore, in plasma of an APL patient with DS, we observed chemokine induction, suggesting that chemokines might be important in DS. Dexamethasone, which efficiently reduces pulmonary chemokine production, did not inhibit chemokine induction in APL cells. Finally, chemokine production was also induced by arsenic trioxide as single agent or in combination with ATRA. We propose that differentiation therapy may induce chemokine production in the lung and in APL cells, which both trigger migration of leukemic cells. Because dexamethasone does not efficiently reduce leukemic chemokine production, pulmonary infiltration of leukemic cells may induce an uncontrollable hyperinflammatory reaction in the lung.

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