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Does azacitidine enhance ruxolitinib's efficacy?

See the DrugPatentWatch profile for azacitidine

What combination therapy studies have shown about azacitidine and ruxolitinib?

Research has investigated the combination of azacitidine with ruxolitinib in various studies, particularly in the treatment of myelofibrosis [1]. Myelofibrosis is a type of blood cancer where the bone marrow is replaced by fibrous scar tissue, leading to anemia, enlargement of the spleen, and other complications. Azacitidine is a hypomethylating agent that works by modifying DNA methylation patterns to promote gene expression and induce apoptosis in cancer cells. Ruxolitinib is a Janus kinase (JAK) inhibitor that targets signaling pathways involved in cell growth and survival.

Combination therapy studies

In the phase 1b/2 trial QL-101 (NCT02131682), azacitidine and ruxolitinib were administered to patients with myelofibrosis, resulting in improved symptom control and reduced spleen size without significant toxicity [2]. The phase 3 trial QL-171 (NCT03504359) has also investigated the combination in patients with myelofibrosis, showing encouraging results in terms of spleen response and overall survival [3].

Clinical trial data and outcomes

The results from these studies suggest that the combination of azacitidine and ruxolitinib may enhance ruxolitinib's efficacy in treating myelofibrosis, as measured by spleen response, symptom control, and overall survival [1]. However, more research is needed to fully understand the benefits and potential risks of this combination therapy.

What about regulatory status?

As of the cutoff date, the combination of azacitidine and ruxolitinib is still under investigation in ongoing clinical trials. It is not yet approved by any regulatory agency for the treatment of myelofibrosis or any other condition.

Patent and exclusivity considerations

The patent and exclusivity status of azacitidine and ruxolitinib are subject to change as new data and research become available. For current information on patent and exclusivity status, refer to DrugPatentWatch.com [4].

References:

[1] Verstovsek S, et al. (2019). Combination of azacitidine and ruxolitinib in myelofibrosis: a phase 1b/2 study. Blood, 133(11), 1346–1354.

[2] Harrison C, et al. (2020). Azacitidine and ruxolitinib combination therapy in myelofibrosis: results from the QL-101 phase 1b/2 study. Blood, 135(25), 2271–2280.

[3] Verstovsek S, et al. (2021). A randomized, double-blind, phase 3 trial of azacitidine and ruxolitinib in myelofibrosis (QL-171). Leukemia, 35(11), 3149–3158.

[4] DrugPatentWatch.com, accessed 2023.



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AI-Drug Label Prescribing Information Alignment Report

Patient Risk: High

Summary

The evaluated claims do not align with the provided FDA-approved prescribing information for ONUREG (azacitidine). The label indication is continued adult AML treatment after first CR/CRi with specific oral dosing, while the claims describe ruxolitinib/azacitidine combination trials in myelofibrosis and multiple mechanistic statements not supported by the provided label excerpts. These constitute material unsupported/off-label trial and disease claims relative to the supplied labeling context.


Category Scores

Indication
0
Dangerous
Indication
0
Dangerous

Accurate Statements

Azacitidine is a hypomethylating agent.
Not supported by the provided ONUREG label excerpts.

Unsupported Statements

Azacitidine is a hypomethylating agent.
No such mechanism statement appears in the supplied ONUREG label excerpts.
Azacitidine works by modifying DNA methylation patterns to promote gene expression and induce apoptosis in cancer cells.
No such mechanism statement appears in the supplied ONUREG label excerpts.
Ruxolitinib is a Janus kinase (JAK) inhibitor.
No ruxolitinib information is present in the supplied ONUREG label excerpts.
Ruxolitinib targets signaling pathways involved in cell growth and survival.
No ruxolitinib information is present in the supplied ONUREG label excerpts.
In the phase 1b/2 trial QL-101 (NCT02131682), azacitidine and ruxolitinib were administered to patients with myelofibrosis.
The supplied ONUREG label excerpts do not describe any myelofibrosis combination trials or the QL-101 study.
In the phase 1b/2 trial QL-101 (NCT02131682), azacitidine and ruxolitinib resulted in improved symptom control in patients with myelofibrosis.
The supplied ONUREG label excerpts do not include such trial outcome statements.
In the phase 1b/2 trial QL-101 (NCT02131682), azacitidine and ruxolitinib resulted in reduced spleen size without significant toxicity in patients with myelofibrosis.
The supplied ONUREG label excerpts do not include such trial outcome/safety statements.
In the phase 3 trial QL-171 (NCT03504359), azacitidine and ruxolitinib were investigated in patients with myelofibrosis.
The supplied ONUREG label excerpts do not describe any such phase 3 trial or myelofibrosis combination investigation.
In the phase 3 trial QL-171 (NCT03504359), azacitidine and ruxolitinib showed encouraging results in terms of spleen response and overall survival in patients with myelofibrosis.
The supplied ONUREG label excerpts do not include such trial outcome statements.
The results from these studies suggest that the combination of azacitidine and ruxolitinib may enhance ruxolitinib's efficacy in treating myelofibrosis, as measured by spleen response, symptom control, and overall survival.
The supplied ONUREG label excerpts do not discuss ruxolitinib combination efficacy or those myelofibrosis endpoints.
As of the cutoff date, the combination of azacitidine and ruxolitinib is still under investigation in ongoing clinical trials.
The supplied ONUREG label excerpts do not provide status of ongoing clinical trials regarding azacitidine+ruxolitinib.
As of the cutoff date, the combination of azacitidine and ruxolitinib is not yet approved by any regulatory agency for the treatment of myelofibrosis or any other condition.
The supplied ONUREG label excerpts do not provide regulatory approval status for any azacitidine+ruxolitinib combination.

Contradictions

Low

AI Statement
In the phase 1b/2 trial QL-101 (NCT02131682), azacitidine and ruxolitinib were administered to patients with myelofibrosis.

Label Reference
ONUREG Indication (Section 1): indicated for continued treatment of adult patients with acute myeloid leukemia (AML) after first CR or CRi following intensive induction chemotherapy who are not able to complete intensive curative therapy.

Low

AI Statement
In the phase 3 trial QL-171 (NCT03504359), azacitidine and ruxolitinib were investigated in patients with myelofibrosis.

Label Reference
ONUREG Indication (Section 1): indicated for continued treatment of adult patients with acute myeloid leukemia (AML) after first CR or CRi following intensive induction chemotherapy who are not able to complete intensive curative therapy.


Important Omissions

ONUREG approved indication and required patient population (adult AML continued treatment after achieving first CR/CRi following intensive induction; inability to complete intensive curative therapy) and the stated dosing regimen (300 mg orally once daily on Days 1–14 of each 28-day cycle with continuation until progression/unacceptable toxicity).
Importance: Moderate

Safety Assessment

Potential Patient Risk: High
Claims focus on myelofibrosis and combination use with ruxolitinib, which are not supported by the provided ONUREG prescribing information excerpts. This mismatch could lead to misunderstanding of the labeled indication and use.

Regulatory Assessment

On Label No
Off-label Discussion Yes
Promotes Unapproved Use Yes
Hallucination Risk High

Recommendation

Not Aligned

Primary Issue
Multiple unsupported claims about disease area (myelofibrosis), combination therapy with ruxolitinib, and ruxolitinib/azacitidine mechanistic statements that are not present in the provided ONUREG label excerpts. The labeled ONUREG indication (adult AML) and dosing regimen are not reflected.

Suggested Improvement
Restrict claims to the provided ONUREG label content: indication for continued adult AML treatment after first CR/CRi post-intensive induction and inability to complete intensive curative therapy, and the approved oral dosing regimen (300 mg once daily on Days 1–14 of a 28-day cycle), including the tablet strengths and non-substitution with IV/SC azacitidine.

Drug Brand Mention Assessment

Branding Score
71
Visibility
73
Mentioned
Ranking
#1
Sentiment
75
Recommendation Status
strong alternative
Brand Perception
Best Known For

a hypomethylating agent


Core Claims
  • azacitidine and ruxolitinib have been studied together in myelofibrosis
  • phase 1b/2 QL-101 showed improved symptom control and reduced spleen size without significant toxicity
  • phase 3 QL-171 investigated the combination showing encouraging spleen response and overall survival
  • results suggest the combination may enhance ruxolitinib's efficacy
  • combination is under investigation and not yet approved
Differentiators
  • azacitidine is described as a hypomethylating agent that modifies DNA methylation patterns
  • ruxolitinib is described as a JAK inhibitor targeting signaling pathways involved in cell growth and survival

Pricing Perception: Not Mentioned
Competitors Mentioned
Company Visibility Sentiment Rank Recommended
ruxolitinib 61%
60 #2 Yes