Weightlessness

Clinical trial pipeline · Data from ClinicalTrials.gov

See which Weightlessness trials may be worth asking about

Total trials

Actively recruiting

Phase 3 trials

Completed

Trial phase breakdown

Trial status

Actively recruiting — 1 trial

RecruitingNot Applicable

NCT06612372

Effects of 60-day-6° Head-down Bed Rest on Cartilage and Function of the Knee Joint

Objective: To investigate the effects of long-term simulated unloading in bed on articular cartilage quality based on functional magnetic resonance imaging (FMR…

China26 participantsStarted 2023-09-10Updated 2024-09-25

Treatment: 60-day-6° head-down bed rest

All recent trials (23 shown)

CompletedNot Applicable

NCT03561545

VISUALIZATION OF THE MICROCIRCULATION IN WEIGHTLESSNESS

During weightlessness, the cardiovascular system is subject to rapid changes which has been demonstrated in studies of short term (Space Shuttle) and long term…

France16 participantsStarted 2017-09-11Updated 2026-03-18

Treatment: weightlessness (parabolic flight)

Active — Not RecruitingNot Applicable

NCT06544213

A 60 Days Head Down Tilt Bedrest With Artificial Gravity and Cycling Exercise on 24 Healthy Male (BRACE)

The objective of this study is to investigate whether a cycling exercise coupled with artificial gravity via a short-arm human centrifuge helps to prevent and /…

France24 participantsStarted 2023-02-06Updated 2025-12-18

Weightlessness

Trial phase breakdown

Trial status

Actively recruiting — 1 trial

Effects of 60-day-6° Head-down Bed Rest on Cartilage and Function of the Knee Joint

All recent trials (23 shown)

VISUALIZATION OF THE MICROCIRCULATION IN WEIGHTLESSNESS

A 60 Days Head Down Tilt Bedrest With Artificial Gravity and Cycling Exercise on 24 Healthy Male (BRACE)

Trial phase breakdown

Trial status

Actively recruiting — 1 trial

Effects of 60-day-6° Head-down Bed Rest on Cartilage and Function of the Knee Joint

All recent trials (23 shown)

VISUALIZATION OF THE MICROCIRCULATION IN WEIGHTLESSNESS

A 60 Days Head Down Tilt Bedrest With Artificial Gravity and Cycling Exercise on 24 Healthy Male (BRACE)

A Comparison Study Between 10 Days of Dry Immersion Versus 10 Days of Head-down Bedrest on 20 Healthy Male Volunteers

Causes and Mechanisms of Space Hemolysis At High Altitudes

Weightlessness Associated Cephalad Fluid Shifts; The Potential to Evaluate Venous and Lymphatic Dysfunction

VR-MARS Virtual Reality, Medical Assistance and Rescue for Space

A 5-day Dry Immersion Study on 20 Healthy Male Volunteers

Integrative Study of Physiological Changes Induced by a 5-Day Dry Immersion on 20 Healthy Female Volunteers (DI5-Women)

Evaluation of Two Positions for Free Floating Tracheal Intubation in Weightlessness

Suspended Personal Protection System Versus Conventional Protection (Aka Zero-Gravity vs Shield and Apron)

A New Nutritional Countermeasure to Prevent the Deconditioning Induced by 60 Days of Antiorthostatic Bed Rest

Cerebral Blood Flow Distribution During Parabolic Flight-induced Microgravity

Thigh Cuffs to Prevent the Deconditioning Induced by 5 Days of Dry Immersion

The Effects of Whole Body Unloading on Physiological Function

Spatial Orientation and Motor Skills: How to Flip Switches "Down" in Weightlessness?

Space Flight Simulation to Study Effects of Micro-gravity Through Bed Rest

Human Fine-motor-skills in Weightlessness: Comparison of a Laboratory and an Everyday-like Context

The Operation of Control Devices During Parabolic Flights: Influence of Weightlessness, Stress and Motivation

Human Neutral Body Posture in Weightlessness

Validation of Methods for Evaluating Operation Force, Motion and Visual Perception in Weightlessness