no, it would just be proved. the "im-" prefix already makes it the opposite. To reverse the meaning, just drop the prefix. It like with the word "immature", which is the opposite of "mature".
Quackery is the promotion of unproved or worthless medical treatments
hypothesis
Seasoned drivers simply exited the race track when the unproved driver took the inside lane.
The opposite of to worsen would be to improve, or to make better.
improve
improve, grow, develop
Slow or improve
There is no opposite of the noun condition, but the opposite of the verb (meaning to prepare, adapt, or improve) could be slacken or worsen.
absorb, consume Actually, the synonyms for Patented is original, unproved,untested....
The opposite of "improved" is "worsened" or "deteriorated." When something is improved, it means it has been enhanced or made better in some way. Conversely, when something is worsened, it means it has declined in quality or performance. Therefore, the opposite of improved is a decrease in quality or value.
The opposite of "prove" with a prefix is "disprove." It means to show that something is false or incorrect through evidence or reasoning.
thesis