"As of today, the outbreak has seen 426 cases of infection, 245 deaths, with a case fatality rate of 57 per cent, " the USA humanitarian organisation said in a statement.
However, violent attacks from rebel groups in the area are impeding the response.
The latest outbreak is the tenth in DR Congo since Ebola was first detected there in 1976.
This is the second Ebola outbreak in the country this year.
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Despite the challenges, Ebola responders have made breakthroughs that have given new hope in the fight against one of the world's most notorious diseases. The trial is the first-ever multi drug trial for treatment of Ebola.
"No other epidemic in the world has been as complex as the one we are now experiencing", the Congolese health minister, Dr. Oly Ilunga Kalenga, said in a November 9 statement.
Ebola is believed to have killed 245 people in North Kivu and Ituri provinces where attacks by armed groups and community resistance to health officials have hampered the response.
He added that it was "highly likely" that the outbreak would not be under control for another six months.
It's not clear how many people from the Centers for Disease Control and Prevention are tackling the outbreak from Congo's capital, almost 1,000 miles away. "Yes we need to see more funds and resources mobilized, but also address the impacts of the protracted conflict".More news: Dwayne Johnson to attend Priyanka Chopra, Nick Jonas’ wedding
According to World Health Organization report, the latest outbreak in Congo, which began in August, has a case fatality rate of 57%.
Given the complications, this Ebola outbreak will last at least another six months before it can be contained, World Health Organization emergencies chief Dr. Peter Salama has predicted. Over the past week, alerts have been reported from South Sudan and Uganda, though Ebola has been ruled out for all those cases thus far.
"Is it extraordinary? Is there a risk of cross-border spread?" Steffen told reporters in a teleconference October 17.
Dr. Olly Ilunga, the DRC's Minister of Health said in a press release, "These trials will contribute to building that knowledge, while we continue to respond on every front to bring the current outbreak to an end".
"I've accepted the recommendation of the committee but this does not mean that we are not taking the outbreak seriously", WHO's director-general, Tedros Adhanom Ghebreyesus, told reporters.More news: New Android Auto update expands messaging and media features