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The US Food and Drug Administration (FDA) has granted orphan drug designation for the combination of TG-1101 (ublituximab) and TGR-1202 for the treatment of patients with chronic lymphocytic leukemia (CLL).
Ublituximab is a glycoengineered anti-CD20 monoclonal antibody, and TGR-1202 is a next-generation PI3K delta inhibitor. Both drugs are being developed by TG Therapeutics, Inc.
Researchers have evaluated ublituximab and TGR-1202 in combination in a phase 1 trial of patients with relapsed or refractory CLL/small lymphocytic lymphoma (SLL) and non-Hodgkin lymphomas (NHLs).
Results were presented at the 2015 ASH Annual Meeting.
There was a 3+3 dose-escalation portion of the study and a dose-expansion phase. The patients received TGR-1202 at doses ranging from 400 mg to 1200 mg and 2 different doses of ublituximab—900 mg for patients with NHL and 600 mg or 900 mg for patients with CLL/SLL.
As of ASH, there were 58 patients evaluable for efficacy and 71 evaluable for safety.
There were 10 CLL/SLL patients exposed to higher doses of TGR-1202. Among these patients, the overall response rate was 80%. Seven patients achieved a partial response, 1 achieved a complete response, and the remaining 2 patients had stable disease.
For the entire safety population, the most common adverse events were nausea (46%), diarrhea (44%), fatigue (41%), neutropenia (30%), and infusion-related reactions (25%).
Grade 3/4 adverse events included neutropenia (25%), diarrhea (3%), fatigue (3%), dyspnea (3%), pyrexia (3%), nausea (1%), infusion-related reactions (1%), sinusitis (1%), anemia (1%), hypophosphatemia (1%), and peripheral edema (1%).
Now, the combination of ublituximab and TGR-1202 is being evaluated in the UNITY-CLL phase 3 trial for patients with previously treated or untreated CLL.
“[W]ith enrollment into our UNITY-CLL phase 3 trial currently exceeding our expectations, we expect to be able to commence a regulatory filing for the combination in 2018, and having orphan drug designation will provide certain cost-saving advantages for us during the regulatory approval process,” said Michael S. Weiss, executive chairman and chief executive officer of TG Therapeutics.
The FDA grants orphan designation to drugs and biologics intended to treat, diagnose, or prevent diseases/disorders that affect fewer than 200,000 people in the US.
The designation provides incentives for sponsors to develop products for rare diseases. This may include tax credits toward the cost of clinical trials, prescription drug user fee waivers, and 7 years of market exclusivity if the product is approved. 
The US Food and Drug Administration (FDA) has granted orphan drug designation for the combination of TG-1101 (ublituximab) and TGR-1202 for the treatment of patients with chronic lymphocytic leukemia (CLL).
Ublituximab is a glycoengineered anti-CD20 monoclonal antibody, and TGR-1202 is a next-generation PI3K delta inhibitor. Both drugs are being developed by TG Therapeutics, Inc.
Researchers have evaluated ublituximab and TGR-1202 in combination in a phase 1 trial of patients with relapsed or refractory CLL/small lymphocytic lymphoma (SLL) and non-Hodgkin lymphomas (NHLs).
Results were presented at the 2015 ASH Annual Meeting.
There was a 3+3 dose-escalation portion of the study and a dose-expansion phase. The patients received TGR-1202 at doses ranging from 400 mg to 1200 mg and 2 different doses of ublituximab—900 mg for patients with NHL and 600 mg or 900 mg for patients with CLL/SLL.
As of ASH, there were 58 patients evaluable for efficacy and 71 evaluable for safety.
There were 10 CLL/SLL patients exposed to higher doses of TGR-1202. Among these patients, the overall response rate was 80%. Seven patients achieved a partial response, 1 achieved a complete response, and the remaining 2 patients had stable disease.
For the entire safety population, the most common adverse events were nausea (46%), diarrhea (44%), fatigue (41%), neutropenia (30%), and infusion-related reactions (25%).
Grade 3/4 adverse events included neutropenia (25%), diarrhea (3%), fatigue (3%), dyspnea (3%), pyrexia (3%), nausea (1%), infusion-related reactions (1%), sinusitis (1%), anemia (1%), hypophosphatemia (1%), and peripheral edema (1%).
Now, the combination of ublituximab and TGR-1202 is being evaluated in the UNITY-CLL phase 3 trial for patients with previously treated or untreated CLL.
“[W]ith enrollment into our UNITY-CLL phase 3 trial currently exceeding our expectations, we expect to be able to commence a regulatory filing for the combination in 2018, and having orphan drug designation will provide certain cost-saving advantages for us during the regulatory approval process,” said Michael S. Weiss, executive chairman and chief executive officer of TG Therapeutics.
The FDA grants orphan designation to drugs and biologics intended to treat, diagnose, or prevent diseases/disorders that affect fewer than 200,000 people in the US.
The designation provides incentives for sponsors to develop products for rare diseases. This may include tax credits toward the cost of clinical trials, prescription drug user fee waivers, and 7 years of market exclusivity if the product is approved.
The US Food and Drug Administration (FDA) has granted orphan drug designation for the combination of TG-1101 (ublituximab) and TGR-1202 for the treatment of patients with chronic lymphocytic leukemia (CLL).
Ublituximab is a glycoengineered anti-CD20 monoclonal antibody, and TGR-1202 is a next-generation PI3K delta inhibitor. Both drugs are being developed by TG Therapeutics, Inc.
Researchers have evaluated ublituximab and TGR-1202 in combination in a phase 1 trial of patients with relapsed or refractory CLL/small lymphocytic lymphoma (SLL) and non-Hodgkin lymphomas (NHLs).
Results were presented at the 2015 ASH Annual Meeting.
There was a 3+3 dose-escalation portion of the study and a dose-expansion phase. The patients received TGR-1202 at doses ranging from 400 mg to 1200 mg and 2 different doses of ublituximab—900 mg for patients with NHL and 600 mg or 900 mg for patients with CLL/SLL.
As of ASH, there were 58 patients evaluable for efficacy and 71 evaluable for safety.
There were 10 CLL/SLL patients exposed to higher doses of TGR-1202. Among these patients, the overall response rate was 80%. Seven patients achieved a partial response, 1 achieved a complete response, and the remaining 2 patients had stable disease.
For the entire safety population, the most common adverse events were nausea (46%), diarrhea (44%), fatigue (41%), neutropenia (30%), and infusion-related reactions (25%).
Grade 3/4 adverse events included neutropenia (25%), diarrhea (3%), fatigue (3%), dyspnea (3%), pyrexia (3%), nausea (1%), infusion-related reactions (1%), sinusitis (1%), anemia (1%), hypophosphatemia (1%), and peripheral edema (1%).
Now, the combination of ublituximab and TGR-1202 is being evaluated in the UNITY-CLL phase 3 trial for patients with previously treated or untreated CLL.
“[W]ith enrollment into our UNITY-CLL phase 3 trial currently exceeding our expectations, we expect to be able to commence a regulatory filing for the combination in 2018, and having orphan drug designation will provide certain cost-saving advantages for us during the regulatory approval process,” said Michael S. Weiss, executive chairman and chief executive officer of TG Therapeutics.
The FDA grants orphan designation to drugs and biologics intended to treat, diagnose, or prevent diseases/disorders that affect fewer than 200,000 people in the US.
The designation provides incentives for sponsors to develop products for rare diseases. This may include tax credits toward the cost of clinical trials, prescription drug user fee waivers, and 7 years of market exclusivity if the product is approved.