Parents of Charlie Gard, Connie Yates and Chris Gard pose for the media ahead of delivering a petition with more than 350,000 signatures to Great Ormond Street Hospital in London, Sunday, July 9, 2017. Britain's justice secretary says the government won't play a role in deciding the medical treatment of a terminally ill baby whose parents want to take him to the U.S. for experimental treatment. David Lidington says that the decision on 11-month-old Charlie Gard will be made by judges acting "independent and dispassionately" based on the facts of the complicated case. (Dominic Lipinski/PA via AP)

Parents of Charlie Gard, Connie Yates and Chris Gard pose for the media ahead of delivering a petition with more than 350,000 signatures to Great Ormond Street Hospital in London, Sunday, July 9, 2017. Britain's justice secretary says the government won't play a role in deciding the medical treatment of a terminally ill baby whose parents want to take him to the U.S. for experimental treatment. David Lidington says that the decision on 11-month-old Charlie Gard will be made by judges acting "independent and dispassionately" based on the facts of the complicated case. (Dominic Lipinski/PA via AP)

LONDON (AP) — The British parents of a terminally ill baby, facing another court hearing on his condition and care, said Sunday they are hopeful he will receive the experimental treatment that previous rulings have prevented.

“If he’s still fighting, we’re still fighting,” said Connie Yates, the mother of 11-month-old Charlie Gard. Yates and Charlie’s father, Chris Gard, spoke outside London’s Great Ormond Street Hospital, where the baby is in intensive care and on life support.

The baby’s parents have received support from Pope Francis and U.S. President Donald Trump, but Charlie’s future remains in the hands of British courts charged with determining what is best for him.

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“He’s our son, he’s our flesh and blood. We feel that it should be our right as parents to decide to give him a chance at life,” Yates, carrying a petition signed by some 350,000 people supporting the couple’s quest, said. “There is nothing to lose, he deserves a chance.”

The complex case appeared to have reached its end last month, when the European Court of Human Rights refused to overturn British court rulings barring Charlie from traveling to the United States for treatment.

The hospital intended to turn off life support systems in favor of “palliative” care designed to ease any pain the baby might be experiencing.

But the case took a surprise turn when researchers at the Vatican’s children’s hospital, which has offered to treat Charlie, said new information suggested that the experimental treatment sought by the parents might be effective.

That prompted the hospital to seek another High Court ruling. A hearing where the new medical information is likely to be examined is expected to take place Monday.

Clinicians from the Vatican’s Bambino Gesu pediatric hospital’s neurosciences department said tests in mice and patients with a similar, but not identical, genetic condition as Charlie had shown significant improvement is possible.

At present, the boy isn’t able to breathe unaided. He has a rare inherited mitochondrial disease that has affected many of his vital organs and left him with brain damage.

An online campaign to send Charlie to the U.S. for treatment has raised more than 1.3 million pounds ($1.7 million). A U.S. hospital has offered to ship the drug needed for the therapy to Britain for Charlie.

Unless the next hearing produces a change, previous court decisions bar the hospital from allowing Charlie to be taken elsewhere for treatment.

Britain’s government won’t play a role in deciding the future course of Charlie’s treatment, an official said Sunday.

Justice Secretary David Lidington said the decision will be made by judges acting “independently and dispassionately” based on the facts of the case.