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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT04021706
Other study ID # 3035
Secondary ID 1R21AR074138-01A
Status Completed
Phase Phase 1
First received
Last updated
Start date December 5, 2019
Est. completion date January 26, 2023

Study information

Verified date February 2024
Source Tufts University
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Adults with low muscle mass also usually have low bone mass, making them vulnerable to falls, fractures and other injuries. This project will determine the effectiveness of treatment with a ghrelin receptor agonist in improving short term indicators of muscle and bone health in adults with low bone and muscle mass. The results of this trial will inform the design of a larger, definitive randomized trial designed to establish efficacy.


Description:

Adults with both osteopenia and sarcopenia (osteosarcopenia) have greater risk of falls and fractures than those with osteopenia or sarcopenia alone. Drugs are available to reduce fracture risk but currently exercise is the only effective strategy to combat muscle loss. Unfortunately, the majority of adults who start a self-monitored exercise program drop out after 6 months and other options are needed. Ghrelin receptor agonists have been under development to treat anorexia and weight loss in patients with cancer cachexia. The agonist anamorelin has significantly increased weight and lean tissue mass in these patients. Anamorelin mimics the hormone ghrelin which not only increases appetite, but also acts on the pituitary to increase pulsatile growth hormone (GH) secretion. Pulsatile GH stimulates the production of insulin-like growth factor 1 which is anabolic to both muscle and bone. GH levels decline with age and this is thought to contribute to the age-related muscle and bone losses in adults. The central hypothesis is that anamorelin will increase muscle mass, improve muscle function, and increase bone formation in adults with osteosarcopenia. To test this hypothesis, the investigators will conduct a randomized, double-blind, 2-armed, parallel-group intervention trial in 32 osteosarcopenic men and postmenopausal women age 50 and older. Participants will be randomized to anamorelin (100 mg per day) or placebo and treated for 12 months. The primary endpoint is change from baseline in muscle mass by D3-creatine dilution. Secondary endpoints are:appendicular lean tissue mass/ht2 (ALM/ht2) measured by dual-energy x-ray absorptiometry (DXA); the bone formation biomarker, amino-terminal propeptide (P1NP), total body lean mass by DXA. Exploratory outcomes are changes in isokinetic leg strength, grip strength, and muscle performance (Health ABC-Physical Performance Battery (HABC-PPB), serum IGF-1 and C-telopeptide (CTX), and spine and hip bone mineral density (BMD). The proposed treatment supplies the anabolic stimulus to build both muscle and bone. Anamorelin has not been tested in adults with osteosarcopenia. The investigators propose to evaluate this treatment in osteosarcopenic adults who are most in need of treatment and who are also most likely to benefit. Data obtained from this pilot study are critical to determine the feasibility and guide the design of a definitive trial to evaluate this ghrelin receptor agonist as potential therapy to mitigate the dual hazards of osteopenia and sarcopenia.


Recruitment information / eligibility

Status Completed
Enrollment 32
Est. completion date January 26, 2023
Est. primary completion date January 26, 2023
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 50 Years and older
Eligibility Inclusion Criteria: 1. Ability to sign informed consent form 2. Community dwelling individuals aged 50 years and older 1. Men (who are sterile or agree to use contraception throughout the study) 2. Postmenopausal women (no menses for 5 years; early postmenopausal women are ineligible because their bone turnover rate is changing rapidly) 3. Sarcopenia defined as maximum grip strength <35.5 kg (men) and <20 kg (women) in either hand (excluding hands with severe pain or recent surgery) and/or gait speed <0.8 m/sec 4. Osteopenia defined as spine (at L1, L2, L3, or L4) or total hip or femoral neck BMD T-score between -1.0 and -2.5 5. Mini-mental state examination (MMSE) score >21 Exclusion Criteria: 1. BMI > 30 kg/m2 (obese are ineligible because anamorelin may cause weight gain) 2. Osteoporosis of the spine or hip by DXA scan (specifically, T-score = -2.5 at two lumbar vertebrae or at the total hip or femoral neck, as recommended by the International Society for Clinical Densitometry [ISCD]) 3. Current participation in a fitness program or weight loss program 4. Advanced knee osteoarthritis (OA) or other conditions preventing strength or function testing 5. Lower extremity fracture in the last year 6. Diabetics taking insulin or sulfonylureas and subjects with a fasting blood sugar on screening >150 mg/dl 7. Inadequate hepatic function defined as AST and ALT levels > 2 x upper limit of normal at screening (>74 and >68 MU/ml, respectively) 8. Untreated thyroid or parathyroid disease 9. Significant immune disorder 10. eGFR<30 ml/min 11. Any clinically meaningful electrocardiogram (ECG) abnormality on screening or baseline 12. Crohn's disease 13. Active malignancy or cancer therapy in the last year 14. Non-English speaking subjects (the investigators can't be confident that non-English speaking subjects could accurately complete the diet assessments which are critical to the integrity of the study) 15. Allergy to components of the study interventions 16. Other condition or abnormality in screening labs at discretion of the study physician (the PI) 17. Medications: 1. Osteoporosis treatment - teriparatide, abaloparatide, raloxifene, denosumab, or romosozumab in the last 12 mo or a bisphosphonate in the last 2 years 2. Tamoxifen in the last 6 mo 3. Cancer treatment in the last 3 years (except basal cell skin cancer) 4. strong CYP3A4 inhibitors within the previous two weeks (ketoconazole, clarithromycin, itraconazole, nefazodone, telithromycin)since anamorelin is mainly metabolized by CYP3A4 5. Use of drugs that may prolong the PR or QRS interval durations, such as any of the Class I/Sodium (Na+) Channel blocking antiarrhythmic medications (e.g. flecainide, procainamide, propafenone, quinidine) 6. Drugs with high affinity to alpha-acid glycoprotein (AAG) and therefore with potential to displace anamorelin from binding (e.g., carvedilol, chlorpromazine) 7. Inhibitors of P-glycoprotein (e.g., verapamil, quinidine), and inhibitors of OATP1B3 (e.g., cyclosporine, rifampicin) 8. CYP3A4 inducers (e.g., rifampin) 9. Oral or IV glucocorticoids (>10 days in the last 3 mo) 10. Gonadal hormones (vaginal estrogen okay) 11. Drugs to promote weight loss or gain 12. TNF-a inhibitors (e.g., adalimumab, adalimumab-atto, certolizumab pegol, etanercept, etanercept-szzs, golimumab, infliximab)

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
Anamorelin Hydrochloride
Ghrelin receptor agonist
Placebo
placebo is a inert substance

Locations

Country Name City State
United States Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University Boston Massachusetts

Sponsors (2)

Lead Sponsor Collaborator
Tufts University National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Other Handgrip Strength measure muscle strength and performance using grip strength dynamometer baseline and 12 months
Other Isokinetic Leg Strength measure muscle strength and performance using Biodex Isokinetic Dynamometer baseline and 12 months
Other Health Aging and Body Composition-Physical Performance Battery lower extremity performance score, scale from 0 (worst performance) to 4 (best performance) baseline and 12 months
Other Serum Insulin Like Growth Factor-1 (IGF-1) anabolic intermediary of growth hormone baseline and 12 months
Other Serum C-telopeptide (CTX) bone resorption marker baseline and 12 months
Other Bone Mineral Density of the Spine and Hip assessed by DXA baseline and 12 months
Primary Total Body Muscle Mass to be assessed by D3-creatine dilution baseline and 12 months
Secondary Serum Procollagen 1 Intact N-terminal (P1NP) a serum biomarker of bone formation baseline and 12 months
Secondary Fasting Plasma Glucose to be assessed by fasting blood drawn after 12 hour fast baseline and 12 months
Secondary Serum Aspartate Transaminase (AST) to be assessed by blood drawn after 12 hour fast baseline and 12 months
Secondary Alanine Transaminase (ALT) to be assessed by blood drawn after 12 hour fast baseline and 12 months
Secondary Number of Participants With Symptoms and Any Adverse Events Number of participants with symptoms and any adverse events between baseline and 12 months
Secondary Appendicular Lean Mass (ALM) Dual energy X-ray absorptiometry (DXA) lean mass of arms plus legs baseline and 12 months
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