Sage Stallone’s autopsy is completed, Sylvester Stallone devastated

Sylvester Stallone is reportedly devastated by the death of his son Sage Moonblood Stallone, according to Fox News.

"This agonizing loss will be felt for the rest of our lives," Stallone told TMZ in a statement. "Sage was our first child and the center of our universe and I am humbly begging for all to have my son's memory and soul left in peace."

Meanwhile, the Los Angeles County Coroner’s office has completed its autopsy on the actor's 36-year-old son, who was found dead in his Los Angeles home on Friday by his maid, TMZ reports.

Results are due back in four to six weeks, according to the website.

More from GlobalPost: Sylvester Stallone's son, Sage Moonblood Stallone, found dead in Hollywood

The New York Daily News wrote police officials believe Sage Stallone likely died of an accidental overdose, saying there was no suicide note.

Sage was planning to wed his girlfriend in Las Vegas, his attorney and confidant George Braunstein told E! News: “He was up and positive about everything.”

Los Angeles County Assistant Chief Coroner Ed Winter said, however, prescription pill bottles were found in the room, according to the Daily News.

Sage was a writer and actor who appeared with his father in “Rocky V” as well as in 1996’s “Daylight.”