The use of experimental drugs to treat the Ebola virus will be considered by a working group set up by President Barack Obama's administration, according to a White House official.
The group will consider broad "principles of decision-making" for the potential use of the drugs said the official from the US Department of Health and Human Services (HHS).
It will be led by Dr. Nicole Lurie the under assistant HHS Secretary for Preparedness and Response.
World leaders meet in London to tackle the Ebola outbreak in west Africa which has so far claimed at least 3,000 lives.
More than 160 staff will work in a UK-funded facility in Sierra Leone which is due to open in October.
UK trials of a vaccine for the Ebola virus began today - but some experts complain that the response has been a long time coming.