- ICH GCP
- 미국 임상 시험 레지스트리
- 임상시험 NCT01049698
Improving Muscle for Functional Independence Trial (I'MFIT)
연구 개요
상세 설명
Design Overview:
This is a 5-month randomized trial in 130 older, overweight or obese, sedentary men and women. Phase 1 involves recruitment and screening followed by baseline research testing (Phase 2). Next, subjects will be randomly assigned to one of two 5-month treatments (Phase 3): RT intervention alone (RT) or to an RT with caloric restriction (RT+CR) intervention. Subjects will return for visits the completion of their 5 month intervention. A subset of participants (n=30) will return for an 18 month follow up.
Interventions:
Resistance training+ Caloric Restriction:Participants assigned to RT+CR group will be instructed to follow a hypocaloric diet (-600 kcal/d) for 20 weeks, as well as the resistance training program noted below.In addition, all participants will be provided with a daily calcium (1200 mg/d) and vitamin D (800 IU/d) supplement.The intervention will incorporate meal replacements, nutrition education, and lifestyle behavior modifications.
Resistance training: The maximal weight that can be lifted with correct form in a single repetition (1RM) will be used to prescribe intensity. Strength testing will be repeated every 4 wks and the training loads adjusted so that they are consistent with the 70% 1RM goal. Participants will exercise 3 d/wk on Nautilus resistance machines, under the supervision of two exercise leaders who are trained in basic life support and in emergency management procedures. All exercise will take place at Wake Forest University's Department of Health and Exercise Science Clinical Research Center (CRC). Participants will exercise in small groups which will allow a rotation/rest between machines and enhance the social environment. Heart rate and blood pressure will be measured before and after each session. Subjects will warm-up by walking or cycling for 5 minutes at a slow pace followed by large muscle flexibility exercises. The interventionists will ensure that participants adjust the equipment appropriate to their body size and complete the exercises with correct form. Training sessions will end with a cool-down by walking or cycling for 5 minutes at a slow pace followed by light stretching.
연구 유형
등록 (실제)
단계
- 해당 없음
연락처 및 위치
연구 장소
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North Carolina
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Winston-Salem, North Carolina, 미국, 27157
- Wake Forest University Health Sciences
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참여기준
자격 기준
공부할 수 있는 나이
건강한 자원 봉사자를 받아들입니다
연구 대상 성별
설명
Inclusion Criteria:
- BMI=27-34.9 kg/m2
- No resistance training for past 6 mos
- Normal cognitive function (MMSE >24)
- No contraindications for participation in weight loss or resistance exercise including severe arthritis or musculoskeletal disorders, knee or hip replacement or spinal surgery in past year
- No broken bones in the past 6 months
- Able to provide own transportation to study visits and intervention
- Not involved in any other research study and not undergoing physical therapy
- Not dependent on a cane or walker
Exclusion Criteria:
- Weight loss or gain (±5%) in past 6 months
- Body mass >136 kg (DXA limit)
- Current smoker (No nicotine within past year) or evidence of alcohol or drug abuse
- Insulin dependent or uncontrolled diabetes (FBG >140 mg/dL)
- Uncontrolled hypertension (BP>180/100 mmHg)
- Abnormal kidney function or liver blood tests
- Past or current cardiovascular disease, including uncontrolled angina or dysrhythmia, hypertrophic cardiomyopathy, congestive heart failure, PAD, stroke, history of myocardial infarction, use of defibrillator or major heart surgery, or deep vein thrombosis or pulmonary embolus
- Past or current respiratory disease (requiring steroid treatment or supplemental oxygen)
- Past or current clinical diagnoses of neurological or hematological disease
- Use of any medications that could influence study variables (growth/steroid hormones, prescription anti-inflammatory medications, or beta blockers, Coumadin or any other blood thinner, including Plavix, Ticid, and Aggrenox)
- Cancer requiring treatment in past 2 years, except non-melanoma skin cancers
- Clinically evident edema or anemia
공부 계획
연구는 어떻게 설계됩니까?
디자인 세부사항
- 주 목적: 치료
- 할당: 무작위
- 중재 모델: 병렬 할당
- 마스킹: 하나의
무기와 개입
참가자 그룹 / 팔 |
개입 / 치료 |
|---|---|
|
활성 비교기: 1. Resistance Training
3 d/wk resistance training
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3 d/wk resistance training
다른 이름들:
|
|
실험적: 2. Resistance Training + Diet
Resistance training plus caloric restriction
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3 d/w resistance training plus 600 kcal/d deficit
다른 이름들:
|
연구는 무엇을 측정합니까?
주요 결과 측정
결과 측정 |
기간 |
|---|---|
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Skeletal muscle function (muscle quality and muscle power) and overall physical function (SPPB score)
기간: 5 month study with baseline and 5 and 18 month follow up assessment visits
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5 month study with baseline and 5 and 18 month follow up assessment visits
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2차 결과 측정
결과 측정 |
기간 |
|---|---|
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single-fiber contractile force and power, intramyocellular lipid (IMCL), muscle gene and protein expression of interleukin-6 (IL-6) and tumor necrosis factor alpha.
기간: baseline and 5 and 18-month follow-up
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baseline and 5 and 18-month follow-up
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공동 작업자 및 조사자
수사관
- 수석 연구원: Barbara J Nicklas, PhD, Wake Forest University Health Sciences
간행물 및 유용한 링크
일반 간행물
- Bharadwaj MS, Tyrrell DJ, Leng I, Demons JL, Lyles MF, Carr JJ, Nicklas BJ, Molina AJ. Relationships between mitochondrial content and bioenergetics with obesity, body composition and fat distribution in healthy older adults. BMC Obes. 2015 Oct 6;2:40. doi: 10.1186/s40608-015-0070-4. eCollection 2015.
- Jefferson ME, Nicklas BJ, Chmelo EA, Crotts CI, Shaltout HA, Diz DI, Marsh AP, Brinkley TE. Effects of Resistance Training With and Without Caloric Restriction on Arterial Stiffness in Overweight and Obese Older Adults. Am J Hypertens. 2016 Apr;29(4):494-500. doi: 10.1093/ajh/hpv139. Epub 2015 Aug 20.
- Nicklas BJ, Chmelo E, Delbono O, Carr JJ, Lyles MF, Marsh AP. Effects of resistance training with and without caloric restriction on physical function and mobility in overweight and obese older adults: a randomized controlled trial. Am J Clin Nutr. 2015 May;101(5):991-9. doi: 10.3945/ajcn.114.105270. Epub 2015 Mar 11.
연구 기록 날짜
연구 주요 날짜
연구 시작
기본 완료 (실제)
연구 완료 (실제)
연구 등록 날짜
최초 제출
QC 기준을 충족하는 최초 제출
처음 게시됨 (추정)
연구 기록 업데이트
마지막 업데이트 게시됨 (실제)
QC 기준을 충족하는 마지막 업데이트 제출
마지막으로 확인됨
추가 정보
이 연구와 관련된 용어
개별 참가자 데이터(IPD) 계획
개별 참가자 데이터(IPD)를 공유할 계획입니까?
IPD 계획 설명
약물 및 장치 정보, 연구 문서
미국 FDA 규제 의약품 연구
미국 FDA 규제 기기 제품 연구
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