Space-Age supplement study: can nicotinamide riboside shield astronauts from tylenol toxicity?

Recruitment status, easiest to join first

Recruiting now

This trial is taking on new participants right now.

Not yet recruiting

Registered, but not yet taking participants.

By invitation only

Not open to general applications. Only people the study team invites can take part.

Paused

Paused for now. It may or may not start again.

Ongoing

Running, but no longer taking on new participants.

Completed This study

The trial has finished. Results may not be published yet.

Stopped early

Stopped early, before it reached the end. That can be for many reasons, including safety.

Cancelled

Cancelled before anyone took part.

Expanded access (not trials)

Expanded access

Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.

Expanded access (paused)

Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.

Expanded access (ended)

Not a trial. The treatment could once be requested outside a study, but no longer can.

Approved

The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published

The full record has not been published yet, so there is little to show here.

Status unknown

This status has not been confirmed recently, so it may be out of date.