The Effect of OASIS Ultra on Critical Sized Wound Healing
| Status: | Completed |
|---|---|
| Conditions: | Hospital |
| Therapuetic Areas: | Other |
| Healthy: | No |
| Age Range: | 18 - 100 |
| Updated: | 10/14/2017 |
| Start Date: | May 2013 |
| End Date: | July 2015 |
Pilot Study of the Effect of OASIS Ultra on Critical Sized Wound Healing
The aim of this study is to evaluate the speed and quality with which OASIS® Ultra
(Healthpoint Biotherapeutics; Fort Worth, Texas) increases wound healing in the critical
sized defect. The investigators intend on confirming the histological composition of the
dermal substitute in order to delineate the amount of cellular recruitment, collagen
deposition and neovascularization present compared with control wounds. The investigators
hypothesize that OASIS® Ultra will provide a faster healing time as well as the
re-establishment of a dermis for further skin graft application. The investigators anticipate
that our study will define parameters for the application of OASIS® Ultra as well as
potentially demonstrating the advantages in healing time, healed wound quality and hospital
stay.
(Healthpoint Biotherapeutics; Fort Worth, Texas) increases wound healing in the critical
sized defect. The investigators intend on confirming the histological composition of the
dermal substitute in order to delineate the amount of cellular recruitment, collagen
deposition and neovascularization present compared with control wounds. The investigators
hypothesize that OASIS® Ultra will provide a faster healing time as well as the
re-establishment of a dermis for further skin graft application. The investigators anticipate
that our study will define parameters for the application of OASIS® Ultra as well as
potentially demonstrating the advantages in healing time, healed wound quality and hospital
stay.
The eligible participants for this study include all patients >18 years with traumatic,
infective or iatrogenic critical sized wound defects (50 sq cm or greater) with a
quantitative wound culture < 105. Accrual of patients will take place at the Massachusetts
General Hospital Churchill Surgical Service. All eligible patients will be identified by
physician care givers on the Churchill service. Non-study affiliated physicians will then
approach the patient and/or his or her healthcare proxy with a consent form and a direct
description of the study. If the patient and/or his or her healthcare proxy agree to proceed
with inclusion then the described protocol will be followed.
Patients with the following medical diagnoses will be excluded from the study:
- Wounds that cannot have a negative pressure wound device applied due to anatomical
difficulty (i.e. proximity to perineum/anus) or exposed arteries/veins.
- Patients who are DNR/DNI
- Patients who are hemodynamically unstable or requiring pressors
- Patients that are immunodeficient or immunocompromised (ie HIV)
- Patients that have any allergy to porcine products
- Patients that have a religious or ethical necessity to avoid porcine products
- Patients whose wounds are derived from extension of mitotic lesions (ie ulcerative
squamous cell carcinoma)
- Patients whose wounds are expected to heal in less than seven days or be ready for skin
grafting in less than seven days with standard therapy
- Patients with full thickness burns
- Patients with wound surface area of <50 sq cm
- Pregnant patients (as confirmed by serum or urinary beta-Human Chorionic Gonadotrophin
sampling or by History).
Subject Enrollment:
The study will take place between January 1, 2013 (or IRB approval date) and June 30, 2015.
The eligible participants for this study include all patients >18 years with traumatic,
infective or iatrogenic critical sized wound defects (50 sq cm or greater) with a
quantitative wound culture < 105. Accrual of patients will take place at the Massachusetts
General Hospital Churchill Surgical Service. All eligible patients will be identified by
physician care givers on the Churchill service. Non-study affiliated physicians will then
approach the patient and/or his or her healthcare proxy with a descriptive consent form and a
verbal explanation of the study. If the patient and/or his or her healthcare proxy agree to
proceed with inclusion then the described protocol will be followed.
Consent The consent form is written in non-medical 'lay' terms in order that all non-medical
readers may understand the terminologies and ideas. If the patient is non-English speaking
then a certified hospital translator will be obtained in order that the written and verbal
discussions can be done in the patient's native language for full comprehension. The PHRC
policy on Obtaining and Documenting Informed Consent of Subjects who do not Speak English
will be followed. For this study, potential subjects will be given a written translation in a
language understandable to them of the "short form" or of the entire English version of the
consent form approved by the Partners Human Research Committee (PHRC). Once a patient has
been identified as eligible for enrollment by a physician on the team, a verbal discussion
will be had with the patient using the sections of the consent form ensuring to cover purpose
of research, design of research, procedures, risks, benefits, discomforts, benefits, costs,
alternatives and number of patients to be enrolled. After identification of eligible
patients, verbal explanation of the study parameters while leaving the patient with the
consent form to read, 24 hours will be allowed to pass in order that the patient may think
about potential questions and/or issues he or she may have with the study. Upon return by a
physician not affiliated with the study, they will answer any patient questions or concerns.
If the patient is willing to proceed with consent the co-Investigator or principal
investigator will be contacted in order that the patient and the investigator may co-sign the
consent form. We will ensure that there are contact details on the patient's consent form
should they have any questions or issues. If the patient wishes to withdraw consent prior to
the completion of the study they will be allowed to do so and the IRB will be contacted for
guidance. The informed consent authorizes the use of medical chart information, historical
lab values and consent for photography.
The PHRC recommendations regarding categories of surrogates (listed in general order of
preference) that may provide consent in writing on behalf of potential subjects incapable of
providing informed consent will be followed:
i) court appointed guardian with specific authority to consent to participation in research
or authority to make health care decisions for a class of diagnostic and therapeutic
decisions inclusive of the proposed research;
ii) health care proxy/person with durable power of attorney with specific authority for
making health care decisions inclusive of the proposed research; or
iii) spouse, adult child, or other close family member who knows the subject well and has
been involved in their care. Assent of subjects will be a requirement for participation in
the research unless the subject is incapable of giving assent due to his/her medical
condition. If the individual objects to participation, s/he should not be enrolled. When
surrogate consent is relied upon, the Investigator will ensure that the surrogate understands
that his or her decisions should be based on "substituted judgment." This means that the
decision reflects a potential subject's own views when s/he had the capacity to express them.
The Investigators will document the relationship of the surrogate to the subject in the
research record.
infective or iatrogenic critical sized wound defects (50 sq cm or greater) with a
quantitative wound culture < 105. Accrual of patients will take place at the Massachusetts
General Hospital Churchill Surgical Service. All eligible patients will be identified by
physician care givers on the Churchill service. Non-study affiliated physicians will then
approach the patient and/or his or her healthcare proxy with a consent form and a direct
description of the study. If the patient and/or his or her healthcare proxy agree to proceed
with inclusion then the described protocol will be followed.
Patients with the following medical diagnoses will be excluded from the study:
- Wounds that cannot have a negative pressure wound device applied due to anatomical
difficulty (i.e. proximity to perineum/anus) or exposed arteries/veins.
- Patients who are DNR/DNI
- Patients who are hemodynamically unstable or requiring pressors
- Patients that are immunodeficient or immunocompromised (ie HIV)
- Patients that have any allergy to porcine products
- Patients that have a religious or ethical necessity to avoid porcine products
- Patients whose wounds are derived from extension of mitotic lesions (ie ulcerative
squamous cell carcinoma)
- Patients whose wounds are expected to heal in less than seven days or be ready for skin
grafting in less than seven days with standard therapy
- Patients with full thickness burns
- Patients with wound surface area of <50 sq cm
- Pregnant patients (as confirmed by serum or urinary beta-Human Chorionic Gonadotrophin
sampling or by History).
Subject Enrollment:
The study will take place between January 1, 2013 (or IRB approval date) and June 30, 2015.
The eligible participants for this study include all patients >18 years with traumatic,
infective or iatrogenic critical sized wound defects (50 sq cm or greater) with a
quantitative wound culture < 105. Accrual of patients will take place at the Massachusetts
General Hospital Churchill Surgical Service. All eligible patients will be identified by
physician care givers on the Churchill service. Non-study affiliated physicians will then
approach the patient and/or his or her healthcare proxy with a descriptive consent form and a
verbal explanation of the study. If the patient and/or his or her healthcare proxy agree to
proceed with inclusion then the described protocol will be followed.
Consent The consent form is written in non-medical 'lay' terms in order that all non-medical
readers may understand the terminologies and ideas. If the patient is non-English speaking
then a certified hospital translator will be obtained in order that the written and verbal
discussions can be done in the patient's native language for full comprehension. The PHRC
policy on Obtaining and Documenting Informed Consent of Subjects who do not Speak English
will be followed. For this study, potential subjects will be given a written translation in a
language understandable to them of the "short form" or of the entire English version of the
consent form approved by the Partners Human Research Committee (PHRC). Once a patient has
been identified as eligible for enrollment by a physician on the team, a verbal discussion
will be had with the patient using the sections of the consent form ensuring to cover purpose
of research, design of research, procedures, risks, benefits, discomforts, benefits, costs,
alternatives and number of patients to be enrolled. After identification of eligible
patients, verbal explanation of the study parameters while leaving the patient with the
consent form to read, 24 hours will be allowed to pass in order that the patient may think
about potential questions and/or issues he or she may have with the study. Upon return by a
physician not affiliated with the study, they will answer any patient questions or concerns.
If the patient is willing to proceed with consent the co-Investigator or principal
investigator will be contacted in order that the patient and the investigator may co-sign the
consent form. We will ensure that there are contact details on the patient's consent form
should they have any questions or issues. If the patient wishes to withdraw consent prior to
the completion of the study they will be allowed to do so and the IRB will be contacted for
guidance. The informed consent authorizes the use of medical chart information, historical
lab values and consent for photography.
The PHRC recommendations regarding categories of surrogates (listed in general order of
preference) that may provide consent in writing on behalf of potential subjects incapable of
providing informed consent will be followed:
i) court appointed guardian with specific authority to consent to participation in research
or authority to make health care decisions for a class of diagnostic and therapeutic
decisions inclusive of the proposed research;
ii) health care proxy/person with durable power of attorney with specific authority for
making health care decisions inclusive of the proposed research; or
iii) spouse, adult child, or other close family member who knows the subject well and has
been involved in their care. Assent of subjects will be a requirement for participation in
the research unless the subject is incapable of giving assent due to his/her medical
condition. If the individual objects to participation, s/he should not be enrolled. When
surrogate consent is relied upon, the Investigator will ensure that the surrogate understands
that his or her decisions should be based on "substituted judgment." This means that the
decision reflects a potential subject's own views when s/he had the capacity to express them.
The Investigators will document the relationship of the surrogate to the subject in the
research record.
Inclusion Criteria:
- all patients >18 years
- traumatic, infective or iatrogenic critical sized wound defects (50 sq cm or greater)
- quantitative wound culture < 105.
Exclusion Criteria:
- Wounds that cannot have a negative pressure wound device applied due to anatomical
difficulty (i.e. proximity to perineum/anus) or exposed arteries/veins.
- Patients who are DNR/DNI
- Patients who are hemodynamically unstable or requiring pressors
- Patients that are immunodeficient or immunocompromised (ie HIV)
- Patients that have any allergy to porcine products
- Patients that have a religious or ethical necessity to avoid porcine products
- Patients whose wounds are derived from extension of mitotic lesions (ie ulcerative
squamous cell carcinoma)
- Patients whose wounds are expected to heal in less than seven days or be ready for
skin grafting in less than seven days with standard therapy
- Patients with full thickness burns
- Patients with wound surface area of <50 sq cm
- Pregnant patients (as confirmed by serum or urinary beta-Human Chorionic Gonadotrophin
sampling or by History).
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