The phrase "a dramatically negative" is correct and usable in written English.
It can be used to describe a situation, outcome, or effect that is significantly unfavorable or adverse.
Example: "The report highlighted a dramatically negative impact on the environment due to the new policy changes."
Alternatives: "a severely negative" or "a profoundly negative".
If it fails, he said, "it would have a dramatically negative effect on American Home's stock price".
Many of these diseases, which are referred to as neglected tropical diseases (NTDs), have a dramatically negative impact on human health in the developing world.
In a letter to Arbitron, which is based in New York City, Attorney General Andrew M. Cuomo said he was worried that the new system was "neither reliable nor fair, and may have a dramatically negative impact on minority broadcasting in New York".
Should the club be unsuccessful in their defence, they say it "could have a dramatically negative effect on the company".
Others said that limiting advertising would have a dramatically negative effect on sports teams and pop bands that depend on food and drink company sponsorships.
Ryan Davis of GameSpot commended the game for its fundamentally solid gameplay, smooth and sharp graphics and the amount of "stuff to do", but stated that "the narrow field of vision has a dramatically negative effect on the whole experience, cross-canceling many of the game's positive traits".
According to this, a patient suffering from an acute monocytic leukemia became dramatically negative for the initial NPM1 mutation after induction therapy although no remission was achieved.
This private sector figure is dramatically negative almost entirely because of a large drop in bonus earnings in the financial sector in February and March.
These more dramatically negative qualities can be experienced in a squalid urban space, deafening noise, cluttered billboard with gaudy signage and sordid visual images, stench from a nearby factory, and the like.
A culture built on the foundation of eliminating variance can have dramatically negative effects on growth and innovation.
A well-defined redox peaks of the firmly confined Fe CN 63−/4− with dramatically negative shift in the half-wave potential compared to Fe CN 63−/4− in aqueous solution was observed at GCE/polyA2-Fe CN 63−/4−/SWCNTs GCE/polyA2-Fe CN 63−/4−/SWCNTs
