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Evaluating Ghost Pipe (Monotropa uniflora) as a Potential Source of Novel Analgesic Compounds

Award Number: F31AT013158
ORGANIZATION: CENTER FOR DRUG EVALUATION AND RESEARCH, NIH
OPDIV: NIH
AWARD CLASS: DISCRETIONARY
AWARD ACTIVITY TYPE: FELLOWSHIP/SCHOLARSHIP/STUDENT LOANS
PERIOD OF PERFORMANCE START DATE: 08/01/2025
PERIOD OF PERFORMANCE END DATE: 07/31/2027

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Evaluating Ghost Pipe (Monotropa uniflora) as a Potential Source of Novel Analgesic Compounds - PROJECT SUMMARY/ABSTRACT Chronic pain is one of the most common reasons for seeking medical care, affecting 50 million Americans. While often treated with opioid pharmaceutical or surgical interventions, complementary traditional health approaches to pain management may offer safer, more effective, and cost-efficient options. Ghost pipe (Monotropa uniflora, Ericaceae) is a North American medicinal plant that has been used historically for its analgesic effects and is still popular today. Yet, there are zero modern publications on either the phytochemistry or efficacy of the plant. Based upon our extensive survey of ghost pipe consumers, and preliminary data suggesting pain response modulation in a murine model, I hypothesize that ghost pipe is a botanical analgesic capable of exerting effects on neurological and analgesic responses via novel bioactive compounds. This proposal provides novel research training in pharmacognosy and analgesic screening methods to identify compounds from ghost pipe that modulate pain. Ghost pipe extracts and fractions will be chemically profiled to provide a metabolomic baseline and insight into the chemical diversity of this plant. They will be evaluated for their binding affinity for a panel of human neuro-receptors in a radioligand binding assay, after which a biochemometric model will be constructed to deduce which compounds are primarily responsible for the receptor binding. In addition, the ghost pipe extracts and fractions will be examined in in vitro systems to establish anti-inflammatory activity, as well as a murine in vivo models to determine potential analgesic effects. The bioassay data will be concatenated with the metabolomic profiling to identify the compounds responsible for observed activity. Active compounds will be isolated and characterized using high-resolution mass spectrometry (HRMS) and nuclear magnetic resonance (NMR). This research sets the stage for future in-depth mechanistic studies and assaying the addictive potential of ghost pipe metabolites. This will advance the understanding and characterization of herbal analgesics, while the experimental design experience, collection of data, development of phytochemical interventions, and professional development activities described herein will result in the development of a well-rounded, independent researcher.


Issue Date FY	Funding FY	Legal Entity Name	Legal Entity Address	Legal Entity City	Legal Entity State	Legal Entity Zip Code	Legal Entity COUNTY	Legal Entity COUNTRY	Assistance Listing	Award Code	Budget Year	Action Date	Action Type	Action Amount

Issue Date FY: 2025 ( Subtotal = $36,518 )
2025	2025	THE PENNSYLVANIA STATE UNIVERSITY	201 OLD MAIN	UNIVERSITY PARK	PA	16802	CENTRE	USA	Research and Training in Complementary and Integrative Health	000	1	4/4/2025	NEW	$35,954
2025	2025	THE PENNSYLVANIA STATE UNIVERSITY	201 OLD MAIN	UNIVERSITY PARK	PA	16802	CENTRE	USA	Research and Training in Complementary and Integrative Health	001	1	4/4/2025	NEW	$0
2025	2025	THE PENNSYLVANIA STATE UNIVERSITY	201 OLD MAIN	UNIVERSITY PARK	PA	16802	CENTRE	USA	Research and Training in Complementary and Integrative Health	002	1	8/22/2025	NEW	$564
														Subtotal = $36,518

Grand Total All Awards = $36,518

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Evaluating Ghost Pipe (Monotropa uniflora) as a Potential Source of Novel Analgesic Compounds

Award Number: F31AT013158

ORGANIZATION: CENTER FOR DRUG EVALUATION AND RESEARCH, NIH

OPDIV: NIH

AWARD CLASS: DISCRETIONARY

AWARD ACTIVITY TYPE: FELLOWSHIP/SCHOLARSHIP/STUDENT LOANS

PERIOD OF PERFORMANCE START DATE: 08/01/2025

PERIOD OF PERFORMANCE END DATE: 07/31/2027

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